Dbdict.cpp 477 KB
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/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

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#include <ndb_global.h>
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#include <my_sys.h>
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#define DBDICT_C
#include "Dbdict.hpp"

#include <ndb_limits.h>
#include <NdbOut.hpp>
#include <Properties.hpp>
#include <Configuration.hpp>
#include <SectionReader.hpp>
#include <SimpleProperties.hpp>
#include <AttributeHeader.hpp>
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#include <KeyDescriptor.hpp>
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#include <signaldata/DictSchemaInfo.hpp>
#include <signaldata/DictTabInfo.hpp>
#include <signaldata/DropTabFile.hpp>

#include <signaldata/EventReport.hpp>
#include <signaldata/FsCloseReq.hpp>
#include <signaldata/FsConf.hpp>
#include <signaldata/FsOpenReq.hpp>
#include <signaldata/FsReadWriteReq.hpp>
#include <signaldata/FsRef.hpp>
#include <signaldata/GetTabInfo.hpp>
#include <signaldata/GetTableId.hpp>
#include <signaldata/HotSpareRep.hpp>
#include <signaldata/NFCompleteRep.hpp>
#include <signaldata/NodeFailRep.hpp>
#include <signaldata/ReadNodesConf.hpp>
#include <signaldata/RelTabMem.hpp>
#include <signaldata/WaitGCP.hpp>
#include <signaldata/ListTables.hpp>

#include <signaldata/CreateTrig.hpp>
#include <signaldata/AlterTrig.hpp>
#include <signaldata/DropTrig.hpp>
#include <signaldata/CreateIndx.hpp>
#include <signaldata/DropIndx.hpp>
#include <signaldata/BuildIndx.hpp>

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#include <signaldata/DropFilegroup.hpp>
#include <signaldata/CreateFilegroup.hpp>
#include <signaldata/CreateFilegroupImpl.hpp>

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#include <signaldata/CreateEvnt.hpp>
#include <signaldata/UtilPrepare.hpp>
#include <signaldata/UtilExecute.hpp>
#include <signaldata/UtilRelease.hpp>
#include <signaldata/SumaImpl.hpp> 

#include <signaldata/LqhFrag.hpp>

#include <signaldata/DiAddTab.hpp>
#include <signaldata/DihStartTab.hpp>

#include <signaldata/DropTable.hpp>
#include <signaldata/DropTab.hpp>
#include <signaldata/PrepDropTab.hpp>

#include <signaldata/CreateTable.hpp>
#include <signaldata/AlterTable.hpp>
#include <signaldata/AlterTab.hpp>
#include <signaldata/CreateFragmentation.hpp>
#include <signaldata/CreateTab.hpp>
#include <NdbSleep.h>
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#include <signaldata/ApiBroadcast.hpp>
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#include <signaldata/DropObj.hpp>
#include <signaldata/CreateObj.hpp>
#include <SLList.hpp>

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#define ZNOT_FOUND 626
#define ZALREADYEXIST 630

//#define EVENT_PH2_DEBUG
//#define EVENT_PH3_DEBUG
//#define EVENT_DEBUG

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static const char EVENT_SYSTEM_TABLE_NAME[] = "sys/def/NDB$EVENTS_0";

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#define EVENT_TRACE \
//  ndbout_c("Event debug trace: File: %s Line: %u", __FILE__, __LINE__)

#define DIV(x,y) (((x)+(y)-1)/(y))
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#define WORDS2PAGES(x) DIV(x, (ZSIZE_OF_PAGES_IN_WORDS - ZPAGE_HEADER_SIZE))
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#include <ndb_version.h>

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static
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struct {
  Uint32 m_gsn_user_req;
  Uint32 m_gsn_req;
  Uint32 m_gsn_ref;
  Uint32 m_gsn_conf;
  void (Dbdict::* m_trans_commit_start)(Signal*, Dbdict::SchemaTransaction*);
  void (Dbdict::* m_trans_commit_complete)(Signal*,Dbdict::SchemaTransaction*);
  void (Dbdict::* m_trans_abort_start)(Signal*, Dbdict::SchemaTransaction*);
  void (Dbdict::* m_trans_abort_complete)(Signal*, Dbdict::SchemaTransaction*);

  void (Dbdict::* m_prepare_start)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_prepare_complete)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_commit)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_commit_start)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_commit_complete)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_abort)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_abort_start)(Signal*, Dbdict::SchemaOp*);
  void (Dbdict::* m_abort_complete)(Signal*, Dbdict::SchemaOp*);
  
} f_dict_op[] = {
  /**
   * Create filegroup
   */
  { 
    GSN_CREATE_FILEGROUP_REQ,
    GSN_CREATE_OBJ_REQ, GSN_CREATE_OBJ_REF, GSN_CREATE_OBJ_CONF,
    0, 0, 0, 0,
    &Dbdict::create_fg_prepare_start, &Dbdict::create_fg_prepare_complete,
    &Dbdict::createObj_commit,
    0, 0,
    &Dbdict::createObj_abort,
    &Dbdict::create_fg_abort_start, &Dbdict::create_fg_abort_complete,
  }

  /**
   * Create file
   */
  ,{ 
    GSN_CREATE_FILE_REQ,
    GSN_CREATE_OBJ_REQ, GSN_CREATE_OBJ_REF, GSN_CREATE_OBJ_CONF,
    0, 0, 0, 0,
    &Dbdict::create_file_prepare_start, &Dbdict::create_file_prepare_complete,
    &Dbdict::createObj_commit,
    &Dbdict::create_file_commit_start, 0,
    &Dbdict::createObj_abort,
    &Dbdict::create_file_abort_start, &Dbdict::create_file_abort_complete,
  }

  /**
   * Drop file
   */
  ,{ 
    GSN_DROP_FILE_REQ,
    GSN_DROP_OBJ_REQ, GSN_DROP_OBJ_REF, GSN_DROP_OBJ_CONF,
    0, 0, 0, 0,
    &Dbdict::drop_file_prepare_start, 0,
    &Dbdict::dropObj_commit,
    &Dbdict::drop_file_commit_start, &Dbdict::drop_file_commit_complete,
    &Dbdict::dropObj_abort,
    &Dbdict::drop_file_abort_start, 0
  }

  /**
   * Drop filegroup
   */
  ,{ 
    GSN_DROP_FILEGROUP_REQ,
    GSN_DROP_OBJ_REQ, GSN_DROP_OBJ_REF, GSN_DROP_OBJ_CONF,
    0, 0, 0, 0,
    &Dbdict::drop_fg_prepare_start, 0,
    &Dbdict::dropObj_commit,
    &Dbdict::drop_fg_commit_start, &Dbdict::drop_fg_commit_complete,
    &Dbdict::dropObj_abort,
    &Dbdict::drop_fg_abort_start, 0
  }

  /**
   * Drop undofile
   */
  ,{ 
    GSN_DROP_FILE_REQ,
    GSN_DROP_OBJ_REQ, GSN_DROP_OBJ_REF, GSN_DROP_OBJ_CONF,
    0, 0, 0, 0,
    &Dbdict::drop_undofile_prepare_start, 0,
    0,
    0, 0,
    0, 0
  }
};

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Uint32
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alter_obj_inc_schema_version(Uint32 old)
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{
   return (old & 0x00FFFFFF) + ((old + 0x1000000) & 0xFF000000);
}

static
Uint32
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alter_obj_dec_schema_version(Uint32 old)
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{
  return (old & 0x00FFFFFF) + ((old - 0x1000000) & 0xFF000000);
}

static
Uint32
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create_obj_inc_schema_version(Uint32 old)
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{
  return (old + 0x00000001) & 0x00FFFFFF;
}

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/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          GENERAL MODULE -------------------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains general stuff. Mostly debug signals and     */
/* general signals that go into a specific module after checking a  */
/* state variable. Also general subroutines used by many.           */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

/* ---------------------------------------------------------------- */
// This signal is used to dump states of various variables in the
// block by command.
/* ---------------------------------------------------------------- */
void
Dbdict::execDUMP_STATE_ORD(Signal* signal)
{
  jamEntry();

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#ifdef VM_TRACE
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  if(signal->theData[0] == 1222){
    const Uint32 tab = signal->theData[1];
    PrepDropTabReq* req = (PrepDropTabReq*)signal->getDataPtr();
    req->senderRef = reference();
    req->senderData = 1222;
    req->tableId = tab;
    sendSignal(DBLQH_REF, GSN_PREP_DROP_TAB_REQ, signal,
	       PrepDropTabReq::SignalLength, JBB);
  }

  if(signal->theData[0] == 1223){
    const Uint32 tab = signal->theData[1];
    PrepDropTabReq* req = (PrepDropTabReq*)signal->getDataPtr();
    req->senderRef = reference();
    req->senderData = 1222;
    req->tableId = tab;
    sendSignal(DBTC_REF, GSN_PREP_DROP_TAB_REQ, signal,
	       PrepDropTabReq::SignalLength, JBB);
  }

  if(signal->theData[0] == 1224){
    const Uint32 tab = signal->theData[1];
    PrepDropTabReq* req = (PrepDropTabReq*)signal->getDataPtr();
    req->senderRef = reference();
    req->senderData = 1222;
    req->tableId = tab;
    sendSignal(DBDIH_REF, GSN_PREP_DROP_TAB_REQ, signal,
	       PrepDropTabReq::SignalLength, JBB);
  }

  if(signal->theData[0] == 1225){
    const Uint32 tab = signal->theData[1];
    const Uint32 ver = signal->theData[2];
    TableRecordPtr tabRecPtr;
    c_tableRecordPool.getPtr(tabRecPtr, tab);
    DropTableReq * req = (DropTableReq*)signal->getDataPtr();
    req->senderData = 1225;
    req->senderRef = numberToRef(1,1);
    req->tableId = tab;
    req->tableVersion = tabRecPtr.p->tableVersion + ver;
    sendSignal(DBDICT_REF, GSN_DROP_TABLE_REQ, signal,
	       DropTableReq::SignalLength, JBB);
  }
#endif  
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#define MEMINFO(x, y) infoEvent(x ": %d %d", y.getSize(), y.getNoOfFree())
  if(signal->theData[0] == 1226){
    MEMINFO("c_obj_pool", c_obj_pool);
    MEMINFO("c_opRecordPool", c_opRecordPool);
    MEMINFO("c_rope_pool", c_rope_pool);
  }
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  if (signal->theData[0] == 1227)
  {
    DLHashTable<DictObject>::Iterator iter;
    bool ok = c_obj_hash.first(iter);
    for(; ok; ok = c_obj_hash.next(iter))
    {
      Rope name(c_rope_pool, iter.curr.p->m_name);
      const Uint32 size = name.size();
      char buf[1024];
      name.copy(buf);
      ndbout_c("%s m_ref_count: %d", buf, iter.curr.p->m_ref_count); 
    }
  }    
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  return;
}//Dbdict::execDUMP_STATE_ORD()

/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */
// CONTINUEB is used when a real-time break is needed for long
// processes.
/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */
void Dbdict::execCONTINUEB(Signal* signal) 
{
  jamEntry();
  switch (signal->theData[0]) {
  case ZPACK_TABLE_INTO_PAGES :
    jam();
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    packTableIntoPages(signal);
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    break;

  case ZSEND_GET_TAB_RESPONSE :
    jam();
    sendGetTabResponse(signal);
    break;

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  case ZDICT_LOCK_POLL:
    jam();
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    checkDictLockQueue(signal, true);
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    break;

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  default :
    ndbrequire(false);
    break;
  }//switch
  return;
}//execCONTINUEB()

/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */
// Routine to handle pack table into pages.
/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */

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void Dbdict::packTableIntoPages(Signal* signal)
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{
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  const Uint32 tableId= signal->theData[1];
  const Uint32 type= signal->theData[2];
  const Uint32 pageId= signal->theData[3];
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  PageRecordPtr pagePtr;
  c_pageRecordArray.getPtr(pagePtr, pageId);
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  memset(&pagePtr.p->word[0], 0, 4 * ZPAGE_HEADER_SIZE);
  LinearWriter w(&pagePtr.p->word[ZPAGE_HEADER_SIZE], 
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		 ZMAX_PAGES_OF_TABLE_DEFINITION * ZSIZE_OF_PAGES_IN_WORDS);
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  w.first();
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  switch((DictTabInfo::TableType)type) {
  case DictTabInfo::SystemTable:
  case DictTabInfo::UserTable:
  case DictTabInfo::UniqueHashIndex:
  case DictTabInfo::HashIndex:
  case DictTabInfo::UniqueOrderedIndex:
  case DictTabInfo::OrderedIndex:{
    jam();
    TableRecordPtr tablePtr;
    c_tableRecordPool.getPtr(tablePtr, tableId);
    packTableIntoPages(w, tablePtr, signal);
    break;
  }
  case DictTabInfo::Tablespace:
  case DictTabInfo::LogfileGroup:{
    FilegroupPtr fg_ptr;
    ndbrequire(c_filegroup_hash.find(fg_ptr, tableId));
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    const Uint32 free_hi= signal->theData[4];
    const Uint32 free_lo= signal->theData[5];
    packFilegroupIntoPages(w, fg_ptr, free_hi, free_lo);
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    break;
  }
  case DictTabInfo::Datafile:{
    FilePtr fg_ptr;
    ndbrequire(c_file_hash.find(fg_ptr, tableId));
    const Uint32 free_extents= signal->theData[4];
    packFileIntoPages(w, fg_ptr, free_extents);
    break;
  }
  case DictTabInfo::Undofile:{
    FilePtr fg_ptr;
    ndbrequire(c_file_hash.find(fg_ptr, tableId));
    packFileIntoPages(w, fg_ptr, 0);
    break;
  }
  case DictTabInfo::UndefTableType:
  case DictTabInfo::HashIndexTrigger:
  case DictTabInfo::SubscriptionTrigger:
  case DictTabInfo::ReadOnlyConstraint:
  case DictTabInfo::IndexTrigger:
    ndbrequire(false);
  }
  
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  Uint32 wordsOfTable = w.getWordsUsed();
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  Uint32 pagesUsed = WORDS2PAGES(wordsOfTable);
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  pagePtr.p->word[ZPOS_CHECKSUM] = 
    computeChecksum(&pagePtr.p->word[0], pagesUsed * ZSIZE_OF_PAGES_IN_WORDS);
  
  switch (c_packTable.m_state) {
  case PackTable::PTS_IDLE:
    ndbrequire(false);
    break;
  case PackTable::PTS_GET_TAB:
    jam();
    c_retrieveRecord.retrievedNoOfPages = pagesUsed;
    c_retrieveRecord.retrievedNoOfWords = wordsOfTable;
    sendGetTabResponse(signal);
    return;
    break;
  }//switch
  ndbrequire(false);
  return;
}//packTableIntoPages()

void
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Dbdict::packTableIntoPages(SimpleProperties::Writer & w,
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			       TableRecordPtr tablePtr,
			       Signal* signal){
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  union {
    char tableName[MAX_TAB_NAME_SIZE];
    char frmData[MAX_FRM_DATA_SIZE];
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    char rangeData[16*MAX_NDB_PARTITIONS];
    char ngData[2*MAX_NDB_PARTITIONS];
    char tsData[2*2*MAX_NDB_PARTITIONS];
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    char defaultValue[MAX_ATTR_DEFAULT_VALUE_SIZE];
    char attributeName[MAX_ATTR_NAME_SIZE];
  };
  ConstRope r(c_rope_pool, tablePtr.p->tableName);
  r.copy(tableName);
  w.add(DictTabInfo::TableName, tableName);
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  w.add(DictTabInfo::TableId, tablePtr.i);
  w.add(DictTabInfo::TableVersion, tablePtr.p->tableVersion);
  w.add(DictTabInfo::NoOfKeyAttr, tablePtr.p->noOfPrimkey);
  w.add(DictTabInfo::NoOfAttributes, tablePtr.p->noOfAttributes);
  w.add(DictTabInfo::NoOfNullable, tablePtr.p->noOfNullAttr);
  w.add(DictTabInfo::NoOfVariable, (Uint32)0);
  w.add(DictTabInfo::KeyLength, tablePtr.p->tupKeyLength);
  
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  w.add(DictTabInfo::TableLoggedFlag, 
	!!(tablePtr.p->m_bits & TableRecord::TR_Logged));
  w.add(DictTabInfo::RowGCIFlag, 
	!!(tablePtr.p->m_bits & TableRecord::TR_RowGCI));
  w.add(DictTabInfo::RowChecksumFlag, 
	!!(tablePtr.p->m_bits & TableRecord::TR_RowChecksum));
  
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  w.add(DictTabInfo::MinLoadFactor, tablePtr.p->minLoadFactor);
  w.add(DictTabInfo::MaxLoadFactor, tablePtr.p->maxLoadFactor);
  w.add(DictTabInfo::TableKValue, tablePtr.p->kValue);
  w.add(DictTabInfo::FragmentTypeVal, tablePtr.p->fragmentType);
  w.add(DictTabInfo::TableTypeVal, tablePtr.p->tableType);
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  w.add(DictTabInfo::MaxRowsLow, tablePtr.p->maxRowsLow);
  w.add(DictTabInfo::MaxRowsHigh, tablePtr.p->maxRowsHigh);
  w.add(DictTabInfo::DefaultNoPartFlag, tablePtr.p->defaultNoPartFlag);
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  w.add(DictTabInfo::LinearHashFlag, tablePtr.p->linearHashFlag);
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  w.add(DictTabInfo::FragmentCount, tablePtr.p->fragmentCount);
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  w.add(DictTabInfo::MinRowsLow, tablePtr.p->minRowsLow);
  w.add(DictTabInfo::MinRowsHigh, tablePtr.p->minRowsHigh);
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  if(signal)
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  {
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    /* Denna branch krs vid GET_TABINFOREQ */

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    Uint32 * theData = signal->getDataPtrSend();
    CreateFragmentationReq * const req = (CreateFragmentationReq*)theData;
    req->senderRef = 0;
    req->senderData = RNIL;
    req->fragmentationType = tablePtr.p->fragmentType;
    req->noOfFragments = 0;
    req->primaryTableId = tablePtr.i;
    EXECUTE_DIRECT(DBDIH, GSN_CREATE_FRAGMENTATION_REQ, signal,
		   CreateFragmentationReq::SignalLength);
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    ndbrequire(signal->theData[0] == 0);
    Uint16 *data = (Uint16*)&signal->theData[25];
    Uint32 count = 2 + data[0] * data[1];
    w.add(DictTabInfo::ReplicaDataLen, 2*count);
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    for (Uint32 i = 0; i < count; i++)
      data[i] = htons(data[i]);
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    w.add(DictTabInfo::ReplicaData, data, 2*count);
  }
  else
  {
    /* Denna del krs vid CREATE_TABLEREQ, ALTER_TABLEREQ */
    ;
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  }
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  if (tablePtr.p->primaryTableId != RNIL){
    TableRecordPtr primTab;
    c_tableRecordPool.getPtr(primTab, tablePtr.p->primaryTableId);
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    ConstRope r2(c_rope_pool, primTab.p->tableName);
    r2.copy(tableName);
    w.add(DictTabInfo::PrimaryTable, tableName);
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    w.add(DictTabInfo::PrimaryTableId, tablePtr.p->primaryTableId);
    w.add(DictTabInfo::IndexState, tablePtr.p->indexState);
    w.add(DictTabInfo::InsertTriggerId, tablePtr.p->insertTriggerId);
    w.add(DictTabInfo::UpdateTriggerId, tablePtr.p->updateTriggerId);
    w.add(DictTabInfo::DeleteTriggerId, tablePtr.p->deleteTriggerId);
    w.add(DictTabInfo::CustomTriggerId, tablePtr.p->customTriggerId);
  }
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  ConstRope frm(c_rope_pool, tablePtr.p->frmData);
  frm.copy(frmData);
  w.add(DictTabInfo::FrmLen, frm.size());
  w.add(DictTabInfo::FrmData, frmData, frm.size());

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  {
    jam();
    ConstRope ts(c_rope_pool, tablePtr.p->tsData);
    ts.copy(tsData);
    w.add(DictTabInfo::TablespaceDataLen, ts.size());
    w.add(DictTabInfo::TablespaceData, tsData, ts.size());

    ConstRope ng(c_rope_pool, tablePtr.p->ngData);
    ng.copy(ngData);
    w.add(DictTabInfo::FragmentDataLen, ng.size());
    w.add(DictTabInfo::FragmentData, ngData, ng.size());

    ConstRope range(c_rope_pool, tablePtr.p->rangeData);
    range.copy(rangeData);
    w.add(DictTabInfo::RangeListDataLen, range.size());
    w.add(DictTabInfo::RangeListData, rangeData, range.size());
  }

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  if(tablePtr.p->m_tablespace_id != RNIL)
  {
    w.add(DictTabInfo::TablespaceId, tablePtr.p->m_tablespace_id);
    FilegroupPtr tsPtr;
    ndbrequire(c_filegroup_hash.find(tsPtr, tablePtr.p->m_tablespace_id));
    w.add(DictTabInfo::TablespaceVersion, tsPtr.p->m_version);
  }

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  AttributeRecordPtr attrPtr;
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  LocalDLFifoList<AttributeRecord> list(c_attributeRecordPool, 
				    tablePtr.p->m_attributes);
  for(list.first(attrPtr); !attrPtr.isNull(); list.next(attrPtr)){
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    jam();
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    ConstRope name(c_rope_pool, attrPtr.p->attributeName);
    name.copy(attributeName);

    w.add(DictTabInfo::AttributeName, attributeName);
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    w.add(DictTabInfo::AttributeId, attrPtr.p->attributeId);
    w.add(DictTabInfo::AttributeKeyFlag, attrPtr.p->tupleKey > 0);
    
    const Uint32 desc = attrPtr.p->attributeDescriptor;
    const Uint32 attrType = AttributeDescriptor::getType(desc);
    const Uint32 attrSize = AttributeDescriptor::getSize(desc);
    const Uint32 arraySize = AttributeDescriptor::getArraySize(desc);
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    const Uint32 arrayType = AttributeDescriptor::getArrayType(desc);
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    const Uint32 nullable = AttributeDescriptor::getNullable(desc);
    const Uint32 DKey = AttributeDescriptor::getDKey(desc);
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    const Uint32 disk= AttributeDescriptor::getDiskBased(desc);
    
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    // AttributeType deprecated
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    w.add(DictTabInfo::AttributeSize, attrSize);
    w.add(DictTabInfo::AttributeArraySize, arraySize);
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    w.add(DictTabInfo::AttributeArrayType, arrayType);
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    w.add(DictTabInfo::AttributeNullableFlag, nullable);
    w.add(DictTabInfo::AttributeDKey, DKey);
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    w.add(DictTabInfo::AttributeExtType, attrType);
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    w.add(DictTabInfo::AttributeExtPrecision, attrPtr.p->extPrecision);
    w.add(DictTabInfo::AttributeExtScale, attrPtr.p->extScale);
    w.add(DictTabInfo::AttributeExtLength, attrPtr.p->extLength);
    w.add(DictTabInfo::AttributeAutoIncrement, 
	  (Uint32)attrPtr.p->autoIncrement);
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    if(disk)
      w.add(DictTabInfo::AttributeStorageType, (Uint32)NDB_STORAGETYPE_DISK);
    else
      w.add(DictTabInfo::AttributeStorageType, (Uint32)NDB_STORAGETYPE_MEMORY);
    
    ConstRope def(c_rope_pool, attrPtr.p->defaultValue);
    def.copy(defaultValue);
    w.add(DictTabInfo::AttributeDefaultValue, defaultValue);
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    w.add(DictTabInfo::AttributeEnd, 1);
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  }
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  w.add(DictTabInfo::TableEnd, 1);
}

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void
Dbdict::packFilegroupIntoPages(SimpleProperties::Writer & w,
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			       FilegroupPtr fg_ptr,
			       const Uint32 undo_free_hi,
			       const Uint32 undo_free_lo){
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  DictFilegroupInfo::Filegroup fg; fg.init();
  ConstRope r(c_rope_pool, fg_ptr.p->m_name);
  r.copy(fg.FilegroupName);

  fg.FilegroupId = fg_ptr.p->key;
  fg.FilegroupType = fg_ptr.p->m_type;
  fg.FilegroupVersion = fg_ptr.p->m_version;

  switch(fg.FilegroupType){
  case DictTabInfo::Tablespace:
    //fg.TS_DataGrow = group.m_grow_spec;
    fg.TS_ExtentSize = fg_ptr.p->m_tablespace.m_extent_size;
    fg.TS_LogfileGroupId = fg_ptr.p->m_tablespace.m_default_logfile_group_id;
    FilegroupPtr lfg_ptr;
    ndbrequire(c_filegroup_hash.find(lfg_ptr, fg.TS_LogfileGroupId));
    fg.TS_LogfileGroupVersion = lfg_ptr.p->m_version;
    break;
  case DictTabInfo::LogfileGroup:
    fg.LF_UndoBufferSize = fg_ptr.p->m_logfilegroup.m_undo_buffer_size;
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    fg.LF_UndoFreeWordsHi= undo_free_hi;
    fg.LF_UndoFreeWordsLo= undo_free_lo;
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    //fg.LF_UndoGrow = ;
    break;
  default:
    ndbrequire(false);
  }
  
  SimpleProperties::UnpackStatus s;
  s = SimpleProperties::pack(w, 
			     &fg,
			     DictFilegroupInfo::Mapping, 
			     DictFilegroupInfo::MappingSize, true);
  
  ndbrequire(s == SimpleProperties::Eof);
}

void
Dbdict::packFileIntoPages(SimpleProperties::Writer & w,
			  FilePtr f_ptr, const Uint32 free_extents){
  
  DictFilegroupInfo::File f; f.init();
  ConstRope r(c_rope_pool, f_ptr.p->m_path);
  r.copy(f.FileName);

  f.FileType = f_ptr.p->m_type;
  f.FilegroupId = f_ptr.p->m_filegroup_id;; //group.m_id;
  f.FileSizeHi = (f_ptr.p->m_file_size >> 32);
  f.FileSizeLo = (f_ptr.p->m_file_size & 0xFFFFFFFF);
  f.FileFreeExtents= free_extents;
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  f.FileId =  f_ptr.p->key;
  f.FileVersion = f_ptr.p->m_version;
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  FilegroupPtr lfg_ptr;
  ndbrequire(c_filegroup_hash.find(lfg_ptr, f.FilegroupId));
  f.FilegroupVersion = lfg_ptr.p->m_version;

  SimpleProperties::UnpackStatus s;
  s = SimpleProperties::pack(w, 
			     &f,
			     DictFilegroupInfo::FileMapping, 
			     DictFilegroupInfo::FileMappingSize, true);
  
  ndbrequire(s == SimpleProperties::Eof);
}

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/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */
// The routines to handle responses from file system.
/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */

/* ---------------------------------------------------------------- */
// A file was successfully closed.
/* ---------------------------------------------------------------- */
void Dbdict::execFSCLOSECONF(Signal* signal) 
{
  FsConnectRecordPtr fsPtr;
  FsConf * const fsConf = (FsConf *)&signal->theData[0];
  jamEntry();
  c_fsConnectRecordPool.getPtr(fsPtr, fsConf->userPointer);
  switch (fsPtr.p->fsState) {
  case FsConnectRecord::CLOSE_WRITE_SCHEMA:
    jam();
    closeWriteSchemaConf(signal, fsPtr);
    break;
  case FsConnectRecord::CLOSE_READ_SCHEMA:
    jam();
    closeReadSchemaConf(signal, fsPtr);
    break;
  case FsConnectRecord::CLOSE_READ_TAB_FILE:
    jam();
    closeReadTableConf(signal, fsPtr);
    break;
  case FsConnectRecord::CLOSE_WRITE_TAB_FILE:
    jam();
    closeWriteTableConf(signal, fsPtr);
    break;
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  case FsConnectRecord::OPEN_READ_SCHEMA2:
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    openSchemaFile(signal, 1, fsPtr.i, false, false);
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    break;
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  default:
    jamLine((fsPtr.p->fsState & 0xFFF));
    ndbrequire(false);
    break;
  }//switch
}//execFSCLOSECONF()


/* ---------------------------------------------------------------- */
// A file was successfully opened.
/* ---------------------------------------------------------------- */
void Dbdict::execFSOPENCONF(Signal* signal) 
{
  FsConnectRecordPtr fsPtr;
  jamEntry();
  FsConf * const fsConf = (FsConf *)&signal->theData[0];
  c_fsConnectRecordPool.getPtr(fsPtr, fsConf->userPointer);

  Uint32 filePointer = fsConf->filePointer;
  fsPtr.p->filePtr = filePointer;
  switch (fsPtr.p->fsState) {
  case FsConnectRecord::OPEN_WRITE_SCHEMA:
    jam();
    fsPtr.p->fsState = FsConnectRecord::WRITE_SCHEMA;
    writeSchemaFile(signal, filePointer, fsPtr.i);
    break;
  case FsConnectRecord::OPEN_READ_SCHEMA1:
    jam();
    fsPtr.p->fsState = FsConnectRecord::READ_SCHEMA1;
    readSchemaFile(signal, filePointer, fsPtr.i);
    break;
  case FsConnectRecord::OPEN_READ_SCHEMA2:
    jam();
    fsPtr.p->fsState = FsConnectRecord::READ_SCHEMA2;
    readSchemaFile(signal, filePointer, fsPtr.i);
    break;
  case FsConnectRecord::OPEN_READ_TAB_FILE1:
    jam();
    fsPtr.p->fsState = FsConnectRecord::READ_TAB_FILE1;
    readTableFile(signal, filePointer, fsPtr.i);
    break;
  case FsConnectRecord::OPEN_READ_TAB_FILE2:
    jam();
    fsPtr.p->fsState = FsConnectRecord::READ_TAB_FILE2;
    readTableFile(signal, filePointer, fsPtr.i);
    break;
  case FsConnectRecord::OPEN_WRITE_TAB_FILE:
    jam();
    fsPtr.p->fsState = FsConnectRecord::WRITE_TAB_FILE;
    writeTableFile(signal, filePointer, fsPtr.i);
    break;
  default:
    jamLine((fsPtr.p->fsState & 0xFFF));
    ndbrequire(false);
    break;
  }//switch
}//execFSOPENCONF()

/* ---------------------------------------------------------------- */
// An open file was refused.
/* ---------------------------------------------------------------- */
void Dbdict::execFSOPENREF(Signal* signal) 
{
  jamEntry();
  FsRef * const fsRef = (FsRef *)&signal->theData[0];
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.getPtr(fsPtr, fsRef->userPointer);
  switch (fsPtr.p->fsState) {
  case FsConnectRecord::OPEN_READ_SCHEMA1:
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    jam();
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    openReadSchemaRef(signal, fsPtr);
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    return;
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  case FsConnectRecord::OPEN_READ_TAB_FILE1:
    jam();
    openReadTableRef(signal, fsPtr);
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    return;
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  default:
    break;
  }//switch
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  {
    char msg[100];
    sprintf(msg, "File system open failed during FsConnectRecord state %d", (Uint32)fsPtr.p->fsState);
    fsRefError(signal,__LINE__,msg);
  }
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}//execFSOPENREF()

/* ---------------------------------------------------------------- */
// A file was successfully read.
/* ---------------------------------------------------------------- */
void Dbdict::execFSREADCONF(Signal* signal) 
{
  jamEntry();
  FsConf * const fsConf = (FsConf *)&signal->theData[0];
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.getPtr(fsPtr, fsConf->userPointer);
  switch (fsPtr.p->fsState) {
  case FsConnectRecord::READ_SCHEMA1:
  case FsConnectRecord::READ_SCHEMA2:
    readSchemaConf(signal ,fsPtr);
    break;
  case FsConnectRecord::READ_TAB_FILE1:
  case FsConnectRecord::READ_TAB_FILE2:
    jam();
    readTableConf(signal ,fsPtr);
    break;
  default:
    jamLine((fsPtr.p->fsState & 0xFFF));
    ndbrequire(false);
    break;
  }//switch
}//execFSREADCONF()

/* ---------------------------------------------------------------- */
// A read file was refused.
/* ---------------------------------------------------------------- */
void Dbdict::execFSREADREF(Signal* signal) 
{
  jamEntry();
  FsRef * const fsRef = (FsRef *)&signal->theData[0];
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.getPtr(fsPtr, fsRef->userPointer);
  switch (fsPtr.p->fsState) {
  case FsConnectRecord::READ_SCHEMA1:
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    jam();
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    readSchemaRef(signal, fsPtr);
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    return;
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  case FsConnectRecord::READ_TAB_FILE1:
    jam();
    readTableRef(signal, fsPtr);
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    return;
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  default:
    break;
  }//switch
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  {
    char msg[100];
    sprintf(msg, "File system read failed during FsConnectRecord state %d", (Uint32)fsPtr.p->fsState);
    fsRefError(signal,__LINE__,msg);
  }
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}//execFSREADREF()

/* ---------------------------------------------------------------- */
// A file was successfully written.
/* ---------------------------------------------------------------- */
void Dbdict::execFSWRITECONF(Signal* signal) 
{
  FsConf * const fsConf = (FsConf *)&signal->theData[0];
  FsConnectRecordPtr fsPtr;
  jamEntry();
  c_fsConnectRecordPool.getPtr(fsPtr, fsConf->userPointer);
  switch (fsPtr.p->fsState) {
  case FsConnectRecord::WRITE_TAB_FILE:
    writeTableConf(signal, fsPtr);
    break;
  case FsConnectRecord::WRITE_SCHEMA:
    jam();
    writeSchemaConf(signal, fsPtr);
    break;
  default:
    jamLine((fsPtr.p->fsState & 0xFFF));
    ndbrequire(false);
    break;
  }//switch
}//execFSWRITECONF()


/* ---------------------------------------------------------------- */
// Routines to handle Read/Write of Table Files
/* ---------------------------------------------------------------- */
void
Dbdict::writeTableFile(Signal* signal, Uint32 tableId, 
		       SegmentedSectionPtr tabInfoPtr, Callback* callback){
  
  ndbrequire(c_writeTableRecord.tableWriteState == WriteTableRecord::IDLE);
  
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  Uint32 pages = WORDS2PAGES(tabInfoPtr.sz);
  c_writeTableRecord.no_of_words = tabInfoPtr.sz;
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  c_writeTableRecord.tableWriteState = WriteTableRecord::TWR_CALLBACK;
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  c_writeTableRecord.m_callback = * callback;

  c_writeTableRecord.pageId = 0;
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  ndbrequire(pages == 1);
  
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  PageRecordPtr pageRecPtr;
  c_pageRecordArray.getPtr(pageRecPtr, c_writeTableRecord.pageId);
  copy(&pageRecPtr.p->word[ZPAGE_HEADER_SIZE], tabInfoPtr);
  
  memset(&pageRecPtr.p->word[0], 0, 4 * ZPAGE_HEADER_SIZE);
  pageRecPtr.p->word[ZPOS_CHECKSUM] = 
    computeChecksum(&pageRecPtr.p->word[0], 
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		    pages * ZSIZE_OF_PAGES_IN_WORDS);
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  startWriteTableFile(signal, tableId);
}

void Dbdict::startWriteTableFile(Signal* signal, Uint32 tableId)
{
  FsConnectRecordPtr fsPtr;
  c_writeTableRecord.tableId = tableId;
  c_fsConnectRecordPool.getPtr(fsPtr, getFsConnRecord());
  fsPtr.p->fsState = FsConnectRecord::OPEN_WRITE_TAB_FILE;
  openTableFile(signal, 0, fsPtr.i, tableId, true);
  c_writeTableRecord.noOfTableFilesHandled = 0;
}//Dbdict::startWriteTableFile()

void Dbdict::openTableFile(Signal* signal,
                           Uint32 fileNo,
                           Uint32 fsConPtr,
                           Uint32 tableId,
                           bool   writeFlag) 
{
  FsOpenReq * const fsOpenReq = (FsOpenReq *)&signal->theData[0];

  fsOpenReq->userReference = reference();
  fsOpenReq->userPointer = fsConPtr;
  if (writeFlag) {
    jam();
    fsOpenReq->fileFlags = 
      FsOpenReq::OM_WRITEONLY | 
      FsOpenReq::OM_TRUNCATE | 
      FsOpenReq::OM_CREATE | 
      FsOpenReq::OM_SYNC;
  } else {
    jam();
    fsOpenReq->fileFlags = FsOpenReq::OM_READONLY;
  }//if
  fsOpenReq->fileNumber[3] = 0; // Initialise before byte changes
  FsOpenReq::setVersion(fsOpenReq->fileNumber, 1);
  FsOpenReq::setSuffix(fsOpenReq->fileNumber, FsOpenReq::S_TABLELIST);
  FsOpenReq::v1_setDisk(fsOpenReq->fileNumber, (fileNo + 1));
  FsOpenReq::v1_setTable(fsOpenReq->fileNumber, tableId);
  FsOpenReq::v1_setFragment(fsOpenReq->fileNumber, (Uint32)-1);
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  FsOpenReq::v1_setS(fsOpenReq->fileNumber, 0);
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  FsOpenReq::v1_setP(fsOpenReq->fileNumber, 255);
/* ---------------------------------------------------------------- */
// File name : D1/DBDICT/T0/S1.TableList
// D1 means Disk 1 (set by fileNo + 1)
// T0 means table id = 0
// S1 means tableVersion 1
// TableList indicates that this is a file for a table description.
/* ---------------------------------------------------------------- */
  sendSignal(NDBFS_REF, GSN_FSOPENREQ, signal, FsOpenReq::SignalLength, JBA);
}//openTableFile()

void Dbdict::writeTableFile(Signal* signal, Uint32 filePtr, Uint32 fsConPtr) 
{
  FsReadWriteReq * const fsRWReq = (FsReadWriteReq *)&signal->theData[0];

  fsRWReq->filePointer = filePtr;
  fsRWReq->userReference = reference();
  fsRWReq->userPointer = fsConPtr;
  fsRWReq->operationFlag = 0; // Initialise before bit changes
  FsReadWriteReq::setSyncFlag(fsRWReq->operationFlag, 1);
  FsReadWriteReq::setFormatFlag(fsRWReq->operationFlag, 
                                FsReadWriteReq::fsFormatArrayOfPages);
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  fsRWReq->varIndex = ZBAT_TABLE_FILE;
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  fsRWReq->numberOfPages = WORDS2PAGES(c_writeTableRecord.no_of_words);
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  fsRWReq->data.arrayOfPages.varIndex = c_writeTableRecord.pageId;
  fsRWReq->data.arrayOfPages.fileOffset = 0; // Write to file page 0
  sendSignal(NDBFS_REF, GSN_FSWRITEREQ, signal, 8, JBA);
}//writeTableFile()

void Dbdict::writeTableConf(Signal* signal,
                                FsConnectRecordPtr fsPtr)
{
  fsPtr.p->fsState = FsConnectRecord::CLOSE_WRITE_TAB_FILE;
  closeFile(signal, fsPtr.p->filePtr, fsPtr.i);
  return;
}//Dbdict::writeTableConf()

void Dbdict::closeWriteTableConf(Signal* signal,
                                 FsConnectRecordPtr fsPtr)
{
  c_writeTableRecord.noOfTableFilesHandled++;
  if (c_writeTableRecord.noOfTableFilesHandled < 2) {
    jam();
    fsPtr.p->fsState = FsConnectRecord::OPEN_WRITE_TAB_FILE;
    openTableFile(signal, 1, fsPtr.i, c_writeTableRecord.tableId, true);
    return;
  } 
  ndbrequire(c_writeTableRecord.noOfTableFilesHandled == 2);
  c_fsConnectRecordPool.release(fsPtr);
  WriteTableRecord::TableWriteState state = c_writeTableRecord.tableWriteState;
  c_writeTableRecord.tableWriteState = WriteTableRecord::IDLE;
  switch (state) {
  case WriteTableRecord::IDLE:
  case WriteTableRecord::WRITE_ADD_TABLE_MASTER :
  case WriteTableRecord::WRITE_ADD_TABLE_SLAVE :
  case WriteTableRecord::WRITE_RESTART_FROM_MASTER :
  case WriteTableRecord::WRITE_RESTART_FROM_OWN :
    ndbrequire(false);
    break;
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  case WriteTableRecord::TWR_CALLBACK:
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    jam();
    execute(signal, c_writeTableRecord.m_callback, 0);
    return;
  }
  ndbrequire(false);
}//Dbdict::closeWriteTableConf()

void Dbdict::startReadTableFile(Signal* signal, Uint32 tableId)
{
  //globalSignalLoggers.log(number(), "startReadTableFile");
  ndbrequire(!c_readTableRecord.inUse);
  
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.getPtr(fsPtr, getFsConnRecord());
  c_readTableRecord.inUse = true;
  c_readTableRecord.tableId = tableId;
  fsPtr.p->fsState = FsConnectRecord::OPEN_READ_TAB_FILE1;
  openTableFile(signal, 0, fsPtr.i, tableId, false);
}//Dbdict::startReadTableFile()

void Dbdict::openReadTableRef(Signal* signal,
                              FsConnectRecordPtr fsPtr) 
{
  fsPtr.p->fsState = FsConnectRecord::OPEN_READ_TAB_FILE2;
  openTableFile(signal, 1, fsPtr.i, c_readTableRecord.tableId, false);
  return;
}//Dbdict::openReadTableConf()

void Dbdict::readTableFile(Signal* signal, Uint32 filePtr, Uint32 fsConPtr) 
{
  FsReadWriteReq * const fsRWReq = (FsReadWriteReq *)&signal->theData[0];

  fsRWReq->filePointer = filePtr;
  fsRWReq->userReference = reference();
  fsRWReq->userPointer = fsConPtr;
  fsRWReq->operationFlag = 0; // Initialise before bit changes
  FsReadWriteReq::setSyncFlag(fsRWReq->operationFlag, 0);
  FsReadWriteReq::setFormatFlag(fsRWReq->operationFlag, 
                                FsReadWriteReq::fsFormatArrayOfPages);
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  fsRWReq->varIndex = ZBAT_TABLE_FILE;
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  fsRWReq->numberOfPages = WORDS2PAGES(c_readTableRecord.no_of_words);
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  fsRWReq->data.arrayOfPages.varIndex = c_readTableRecord.pageId;
  fsRWReq->data.arrayOfPages.fileOffset = 0; // Write to file page 0
  sendSignal(NDBFS_REF, GSN_FSREADREQ, signal, 8, JBA);
}//readTableFile()

void Dbdict::readTableConf(Signal* signal,
			   FsConnectRecordPtr fsPtr)
{
  /* ---------------------------------------------------------------- */
  // Verify the data read from disk
  /* ---------------------------------------------------------------- */
  bool crashInd;
  if (fsPtr.p->fsState == FsConnectRecord::READ_TAB_FILE1) {
    jam();
    crashInd = false;
  } else {
    jam();
    crashInd = true;
  }//if

  PageRecordPtr tmpPagePtr;
  c_pageRecordArray.getPtr(tmpPagePtr, c_readTableRecord.pageId);
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  Uint32 sz = 
    WORDS2PAGES(c_readTableRecord.no_of_words)*ZSIZE_OF_PAGES_IN_WORDS;
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  Uint32 chk = computeChecksum((const Uint32*)tmpPagePtr.p, sz);
  
  ndbrequire((chk == 0) || !crashInd);
  if(chk != 0){
    jam();
    ndbrequire(fsPtr.p->fsState == FsConnectRecord::READ_TAB_FILE1);
    readTableRef(signal, fsPtr);
    return;
  }//if
  
  fsPtr.p->fsState = FsConnectRecord::CLOSE_READ_TAB_FILE;
  closeFile(signal, fsPtr.p->filePtr, fsPtr.i);
  return;
}//Dbdict::readTableConf()

void Dbdict::readTableRef(Signal* signal,
                          FsConnectRecordPtr fsPtr)
{
  fsPtr.p->fsState = FsConnectRecord::OPEN_READ_TAB_FILE2;
  openTableFile(signal, 1, fsPtr.i, c_readTableRecord.tableId, false);
  return;
}//Dbdict::readTableRef()

void Dbdict::closeReadTableConf(Signal* signal,
                                FsConnectRecordPtr fsPtr)
{
  c_fsConnectRecordPool.release(fsPtr);
  c_readTableRecord.inUse = false;
  
  execute(signal, c_readTableRecord.m_callback, 0);
  return;
}//Dbdict::closeReadTableConf()

/* ---------------------------------------------------------------- */
// Routines to handle Read/Write of Schema Files
/* ---------------------------------------------------------------- */
void
Dbdict::updateSchemaState(Signal* signal, Uint32 tableId, 
			  SchemaFile::TableEntry* te, Callback* callback){

  jam();
  ndbrequire(tableId < c_tableRecordPool.getSize());
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  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry * tableEntry = getTableEntry(xsf, tableId);
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  SchemaFile::TableState newState = 
    (SchemaFile::TableState)te->m_tableState;
  SchemaFile::TableState oldState = 
    (SchemaFile::TableState)tableEntry->m_tableState;
  
  Uint32 newVersion = te->m_tableVersion;
  Uint32 oldVersion = tableEntry->m_tableVersion;
  
  bool ok = false;
  switch(newState){
  case SchemaFile::ADD_STARTED:
    jam();
    ok = true;
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    ndbrequire(create_obj_inc_schema_version(oldVersion) == newVersion);
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    ndbrequire(oldState == SchemaFile::INIT ||
	       oldState == SchemaFile::DROP_TABLE_COMMITTED);
    break;
  case SchemaFile::TABLE_ADD_COMMITTED:
    jam();
    ok = true;
    ndbrequire(newVersion == oldVersion);
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    ndbrequire(oldState == SchemaFile::ADD_STARTED ||
	       oldState == SchemaFile::DROP_TABLE_STARTED);
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    break;
  case SchemaFile::ALTER_TABLE_COMMITTED:
    jam();
    ok = true;
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    ndbrequire(alter_obj_inc_schema_version(oldVersion) == newVersion);
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    ndbrequire(oldState == SchemaFile::TABLE_ADD_COMMITTED ||
	       oldState == SchemaFile::ALTER_TABLE_COMMITTED);
    break;
  case SchemaFile::DROP_TABLE_STARTED:
    jam();
  case SchemaFile::DROP_TABLE_COMMITTED:
    jam();
    ok = true;
    break;
  case SchemaFile::INIT:
    jam();
    ok = true;
    ndbrequire((oldState == SchemaFile::ADD_STARTED));
  }//if
  ndbrequire(ok);
  
  * tableEntry = * te;
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  computeChecksum(xsf, tableId / NDB_SF_PAGE_ENTRIES);
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  ndbrequire(c_writeSchemaRecord.inUse == false);
  c_writeSchemaRecord.inUse = true;
  
  c_writeSchemaRecord.pageId = c_schemaRecord.schemaPage;
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  c_writeSchemaRecord.newFile = false;
  c_writeSchemaRecord.firstPage = tableId / NDB_SF_PAGE_ENTRIES;
  c_writeSchemaRecord.noOfPages = 1;
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  c_writeSchemaRecord.m_callback = * callback;

  startWriteSchemaFile(signal);
}

void Dbdict::startWriteSchemaFile(Signal* signal)
{
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.getPtr(fsPtr, getFsConnRecord());
  fsPtr.p->fsState = FsConnectRecord::OPEN_WRITE_SCHEMA;
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  openSchemaFile(signal, 0, fsPtr.i, true, c_writeSchemaRecord.newFile);
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  c_writeSchemaRecord.noOfSchemaFilesHandled = 0;
}//Dbdict::startWriteSchemaFile()

void Dbdict::openSchemaFile(Signal* signal,
                            Uint32 fileNo,
                            Uint32 fsConPtr,
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                            bool writeFlag,
                            bool newFile)
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{
  FsOpenReq * const fsOpenReq = (FsOpenReq *)&signal->theData[0];
  fsOpenReq->userReference = reference();
  fsOpenReq->userPointer = fsConPtr;
  if (writeFlag) {
    jam();
    fsOpenReq->fileFlags = 
      FsOpenReq::OM_WRITEONLY | 
      FsOpenReq::OM_SYNC;
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    if (newFile)
      fsOpenReq->fileFlags |=
        FsOpenReq::OM_TRUNCATE | 
        FsOpenReq::OM_CREATE;
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  } else {
    jam();
    fsOpenReq->fileFlags = FsOpenReq::OM_READONLY;
  }//if
  fsOpenReq->fileNumber[3] = 0; // Initialise before byte changes
  FsOpenReq::setVersion(fsOpenReq->fileNumber, 1);
  FsOpenReq::setSuffix(fsOpenReq->fileNumber, FsOpenReq::S_SCHEMALOG);
  FsOpenReq::v1_setDisk(fsOpenReq->fileNumber, (fileNo + 1));
  FsOpenReq::v1_setTable(fsOpenReq->fileNumber, (Uint32)-1);
  FsOpenReq::v1_setFragment(fsOpenReq->fileNumber, (Uint32)-1);
  FsOpenReq::v1_setS(fsOpenReq->fileNumber, (Uint32)-1);
  FsOpenReq::v1_setP(fsOpenReq->fileNumber, 0);
/* ---------------------------------------------------------------- */
// File name : D1/DBDICT/P0.SchemaLog
// D1 means Disk 1 (set by fileNo + 1). Writes to both D1 and D2
// SchemaLog indicates that this is a file giving a list of current tables.
/* ---------------------------------------------------------------- */
  sendSignal(NDBFS_REF, GSN_FSOPENREQ, signal, FsOpenReq::SignalLength, JBA);
}//openSchemaFile()

void Dbdict::writeSchemaFile(Signal* signal, Uint32 filePtr, Uint32 fsConPtr) 
{
  FsReadWriteReq * const fsRWReq = (FsReadWriteReq *)&signal->theData[0];

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  // check write record
  WriteSchemaRecord & wr = c_writeSchemaRecord;
  ndbrequire(wr.pageId == (wr.pageId != 0) * NDB_SF_MAX_PAGES);
  ndbrequire(wr.noOfPages != 0);
  ndbrequire(wr.firstPage + wr.noOfPages <= NDB_SF_MAX_PAGES);

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  fsRWReq->filePointer = filePtr;
  fsRWReq->userReference = reference();
  fsRWReq->userPointer = fsConPtr;
  fsRWReq->operationFlag = 0; // Initialise before bit changes
  FsReadWriteReq::setSyncFlag(fsRWReq->operationFlag, 1);
  FsReadWriteReq::setFormatFlag(fsRWReq->operationFlag, 
                                FsReadWriteReq::fsFormatArrayOfPages);
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  fsRWReq->varIndex = ZBAT_SCHEMA_FILE;
  fsRWReq->numberOfPages = wr.noOfPages;
  // Write from memory page
  fsRWReq->data.arrayOfPages.varIndex = wr.pageId + wr.firstPage;
  fsRWReq->data.arrayOfPages.fileOffset = wr.firstPage;
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  sendSignal(NDBFS_REF, GSN_FSWRITEREQ, signal, 8, JBA);
}//writeSchemaFile()

void Dbdict::writeSchemaConf(Signal* signal,
                                FsConnectRecordPtr fsPtr)
{
  fsPtr.p->fsState = FsConnectRecord::CLOSE_WRITE_SCHEMA;
  closeFile(signal, fsPtr.p->filePtr, fsPtr.i);
  return;
}//Dbdict::writeSchemaConf()

void Dbdict::closeFile(Signal* signal, Uint32 filePtr, Uint32 fsConPtr) 
{
  FsCloseReq * const fsCloseReq = (FsCloseReq *)&signal->theData[0];
  fsCloseReq->filePointer = filePtr;
  fsCloseReq->userReference = reference();
  fsCloseReq->userPointer = fsConPtr;
  FsCloseReq::setRemoveFileFlag(fsCloseReq->fileFlag, false);
  sendSignal(NDBFS_REF, GSN_FSCLOSEREQ, signal, FsCloseReq::SignalLength, JBA);
  return;
}//closeFile()

void Dbdict::closeWriteSchemaConf(Signal* signal,
                                     FsConnectRecordPtr fsPtr)
{
  c_writeSchemaRecord.noOfSchemaFilesHandled++;
  if (c_writeSchemaRecord.noOfSchemaFilesHandled < 2) {
    jam();
    fsPtr.p->fsState = FsConnectRecord::OPEN_WRITE_SCHEMA;
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    openSchemaFile(signal, 1, fsPtr.i, true, c_writeSchemaRecord.newFile);
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    return;
  } 
  ndbrequire(c_writeSchemaRecord.noOfSchemaFilesHandled == 2);
  
  c_fsConnectRecordPool.release(fsPtr);

  c_writeSchemaRecord.inUse = false;
  execute(signal, c_writeSchemaRecord.m_callback, 0);
  return;
}//Dbdict::closeWriteSchemaConf()

void Dbdict::startReadSchemaFile(Signal* signal)
{
  //globalSignalLoggers.log(number(), "startReadSchemaFile");
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.getPtr(fsPtr, getFsConnRecord());
  fsPtr.p->fsState = FsConnectRecord::OPEN_READ_SCHEMA1;
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  openSchemaFile(signal, 0, fsPtr.i, false, false);
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}//Dbdict::startReadSchemaFile()

void Dbdict::openReadSchemaRef(Signal* signal,
                               FsConnectRecordPtr fsPtr) 
{
  fsPtr.p->fsState = FsConnectRecord::OPEN_READ_SCHEMA2;
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  openSchemaFile(signal, 1, fsPtr.i, false, false);
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}//Dbdict::openReadSchemaRef()

void Dbdict::readSchemaFile(Signal* signal, Uint32 filePtr, Uint32 fsConPtr) 
{
  FsReadWriteReq * const fsRWReq = (FsReadWriteReq *)&signal->theData[0];

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  // check read record
  ReadSchemaRecord & rr = c_readSchemaRecord;
  ndbrequire(rr.pageId == (rr.pageId != 0) * NDB_SF_MAX_PAGES);
  ndbrequire(rr.noOfPages != 0);
  ndbrequire(rr.firstPage + rr.noOfPages <= NDB_SF_MAX_PAGES);

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  fsRWReq->filePointer = filePtr;
  fsRWReq->userReference = reference();
  fsRWReq->userPointer = fsConPtr;
  fsRWReq->operationFlag = 0; // Initialise before bit changes
  FsReadWriteReq::setSyncFlag(fsRWReq->operationFlag, 0);
  FsReadWriteReq::setFormatFlag(fsRWReq->operationFlag, 
                                FsReadWriteReq::fsFormatArrayOfPages);
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  fsRWReq->varIndex = ZBAT_SCHEMA_FILE;
  fsRWReq->numberOfPages = rr.noOfPages;
  fsRWReq->data.arrayOfPages.varIndex = rr.pageId + rr.firstPage;
  fsRWReq->data.arrayOfPages.fileOffset = rr.firstPage;
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  sendSignal(NDBFS_REF, GSN_FSREADREQ, signal, 8, JBA);
}//readSchemaFile()

void Dbdict::readSchemaConf(Signal* signal,
                            FsConnectRecordPtr fsPtr)
{
/* ---------------------------------------------------------------- */
// Verify the data read from disk
/* ---------------------------------------------------------------- */
  bool crashInd;
  if (fsPtr.p->fsState == FsConnectRecord::READ_SCHEMA1) {
    jam();
    crashInd = false;
  } else {
    jam();
    crashInd = true;
  }//if

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  ReadSchemaRecord & rr = c_readSchemaRecord;
  XSchemaFile * xsf = &c_schemaFile[rr.pageId != 0];
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  if (rr.schemaReadState == ReadSchemaRecord::INITIAL_READ_HEAD) {
    jam();
    ndbrequire(rr.firstPage == 0);
    SchemaFile * sf = &xsf->schemaPage[0];
    Uint32 noOfPages;
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    if (sf->NdbVersion < NDB_SF_VERSION_5_0_6) {
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      jam();
      const Uint32 pageSize_old = 32 * 1024;
      noOfPages = pageSize_old / NDB_SF_PAGE_SIZE - 1;
    } else {
      noOfPages = sf->FileSize / NDB_SF_PAGE_SIZE - 1;
    }
    rr.schemaReadState = ReadSchemaRecord::INITIAL_READ;
    if (noOfPages != 0) {
      rr.firstPage = 1;
      rr.noOfPages = noOfPages;
      readSchemaFile(signal, fsPtr.p->filePtr, fsPtr.i);
      return;
    }
  }
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  SchemaFile * sf0 = &xsf->schemaPage[0];
  xsf->noOfPages = sf0->FileSize / NDB_SF_PAGE_SIZE;

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  if (sf0->NdbVersion < NDB_SF_VERSION_5_0_6 &&
      ! convertSchemaFileTo_5_0_6(xsf)) {
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    jam();
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    ndbrequire(! crashInd);
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    ndbrequire(fsPtr.p->fsState == FsConnectRecord::READ_SCHEMA1);
    readSchemaRef(signal, fsPtr);
    return;
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  }

  for (Uint32 n = 0; n < xsf->noOfPages; n++) {
    SchemaFile * sf = &xsf->schemaPage[n];
    bool ok =
      memcmp(sf->Magic, NDB_SF_MAGIC, sizeof(sf->Magic)) == 0 &&
      sf->FileSize != 0 &&
      sf->FileSize % NDB_SF_PAGE_SIZE == 0 &&
      sf->FileSize == sf0->FileSize &&
      sf->PageNumber == n &&
      computeChecksum((Uint32*)sf, NDB_SF_PAGE_SIZE_IN_WORDS) == 0;
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    ndbrequireErr(ok || !crashInd, NDBD_EXIT_SR_SCHEMAFILE);
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    if (! ok) {
      jam();
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      ndbrequireErr(fsPtr.p->fsState == FsConnectRecord::READ_SCHEMA1,
                    NDBD_EXIT_SR_SCHEMAFILE);
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      readSchemaRef(signal, fsPtr);
      return;
    }
  }

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  fsPtr.p->fsState = FsConnectRecord::CLOSE_READ_SCHEMA;
  closeFile(signal, fsPtr.p->filePtr, fsPtr.i);
  return;
}//Dbdict::readSchemaConf()

void Dbdict::readSchemaRef(Signal* signal,
                           FsConnectRecordPtr fsPtr)
{
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jonas@eel.(none) committed
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  /**
   * First close corrupt file
   */
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  fsPtr.p->fsState = FsConnectRecord::OPEN_READ_SCHEMA2;
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jonas@eel.(none) committed
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  closeFile(signal, fsPtr.p->filePtr, fsPtr.i);
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  return;
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jonas@eel.(none) committed
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}
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void Dbdict::closeReadSchemaConf(Signal* signal,
                                 FsConnectRecordPtr fsPtr)
{
  c_fsConnectRecordPool.release(fsPtr);
  ReadSchemaRecord::SchemaReadState state = c_readSchemaRecord.schemaReadState;
  c_readSchemaRecord.schemaReadState = ReadSchemaRecord::IDLE;

  switch(state) {
  case ReadSchemaRecord::INITIAL_READ :
    jam();
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    {
      // write back both copies
      
      ndbrequire(c_writeSchemaRecord.inUse == false);
      XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.oldSchemaPage != 0 ];
      Uint32 noOfPages =
        (c_tableRecordPool.getSize() + NDB_SF_PAGE_ENTRIES - 1) /
        NDB_SF_PAGE_ENTRIES;
      resizeSchemaFile(xsf, noOfPages);

      c_writeSchemaRecord.inUse = true;
      c_writeSchemaRecord.pageId = c_schemaRecord.oldSchemaPage;
      c_writeSchemaRecord.newFile = true;
      c_writeSchemaRecord.firstPage = 0;
      c_writeSchemaRecord.noOfPages = xsf->noOfPages;

      c_writeSchemaRecord.m_callback.m_callbackFunction = 
        safe_cast(&Dbdict::initSchemaFile_conf);

      startWriteSchemaFile(signal);
    }
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    break;

  default :
    ndbrequire(false);
    break;

  }//switch
}//Dbdict::closeReadSchemaConf()

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bool
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Dbdict::convertSchemaFileTo_5_0_6(XSchemaFile * xsf)
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{
  const Uint32 pageSize_old = 32 * 1024;
  Uint32 page_old[pageSize_old >> 2];
  SchemaFile * sf_old = (SchemaFile *)page_old;

  if (xsf->noOfPages * NDB_SF_PAGE_SIZE != pageSize_old)
    return false;
  SchemaFile * sf0 = &xsf->schemaPage[0];
  memcpy(sf_old, sf0, pageSize_old);

  // init max number new pages needed
  xsf->noOfPages = (sf_old->NoOfTableEntries + NDB_SF_PAGE_ENTRIES - 1) /
                   NDB_SF_PAGE_ENTRIES;
  initSchemaFile(xsf, 0, xsf->noOfPages, true);

  Uint32 noOfPages = 1;
  Uint32 n, i, j;
  for (n = 0; n < xsf->noOfPages; n++) {
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    jam();
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    for (i = 0; i < NDB_SF_PAGE_ENTRIES; i++) {
      j = n * NDB_SF_PAGE_ENTRIES + i;
      if (j >= sf_old->NoOfTableEntries)
        continue;
      const SchemaFile::TableEntry_old & te_old = sf_old->TableEntries_old[j];
      if (te_old.m_tableState == SchemaFile::INIT ||
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          te_old.m_tableState == SchemaFile::DROP_TABLE_COMMITTED ||
          te_old.m_noOfPages == 0)
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        continue;
      SchemaFile * sf = &xsf->schemaPage[n];
      SchemaFile::TableEntry & te = sf->TableEntries[i];
      te.m_tableState = te_old.m_tableState;
      te.m_tableVersion = te_old.m_tableVersion;
      te.m_tableType = te_old.m_tableType;
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      te.m_info_words = te_old.m_noOfPages * ZSIZE_OF_PAGES_IN_WORDS -
                        ZPAGE_HEADER_SIZE;
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      te.m_gcp = te_old.m_gcp;
      if (noOfPages < n)
        noOfPages = n;
    }
  }
  xsf->noOfPages = noOfPages;
  initSchemaFile(xsf, 0, xsf->noOfPages, false);

  return true;
}

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/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          INITIALISATION MODULE ------------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains initialisation of data at start/restart.    */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

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Dbdict::Dbdict(Block_context& ctx):
  SimulatedBlock(DBDICT, ctx),
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  c_attributeRecordHash(c_attributeRecordPool),
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  c_file_hash(c_file_pool),
  c_filegroup_hash(c_filegroup_pool),
  c_obj_hash(c_obj_pool),
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  c_opCreateTable(c_opRecordPool),
  c_opDropTable(c_opRecordPool),
  c_opCreateIndex(c_opRecordPool),
  c_opDropIndex(c_opRecordPool),
  c_opAlterIndex(c_opRecordPool),
  c_opBuildIndex(c_opRecordPool),
  c_opCreateEvent(c_opRecordPool),
  c_opSubEvent(c_opRecordPool),
  c_opDropEvent(c_opRecordPool),
  c_opSignalUtil(c_opRecordPool),
  c_opCreateTrigger(c_opRecordPool),
  c_opDropTrigger(c_opRecordPool),
  c_opAlterTrigger(c_opRecordPool),
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  c_schemaOp(c_opRecordPool),
  c_Trans(c_opRecordPool),
  c_opCreateObj(c_schemaOp),
  c_opDropObj(c_schemaOp),
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  c_opRecordSequence(0),
  c_dictLockQueue(c_dictLockPool),
  c_dictLockPoll(false)
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{
  BLOCK_CONSTRUCTOR(Dbdict);
  
  // Transit signals
  addRecSignal(GSN_DUMP_STATE_ORD, &Dbdict::execDUMP_STATE_ORD);
  addRecSignal(GSN_GET_TABINFOREQ, &Dbdict::execGET_TABINFOREQ);
  addRecSignal(GSN_GET_TABLEID_REQ, &Dbdict::execGET_TABLEDID_REQ);
  addRecSignal(GSN_GET_TABINFO_CONF, &Dbdict::execGET_TABINFO_CONF);
  addRecSignal(GSN_CONTINUEB, &Dbdict::execCONTINUEB);

  addRecSignal(GSN_CREATE_TABLE_REQ, &Dbdict::execCREATE_TABLE_REQ);
  addRecSignal(GSN_CREATE_TAB_REQ, &Dbdict::execCREATE_TAB_REQ);
  addRecSignal(GSN_CREATE_TAB_REF, &Dbdict::execCREATE_TAB_REF);
  addRecSignal(GSN_CREATE_TAB_CONF, &Dbdict::execCREATE_TAB_CONF);
  addRecSignal(GSN_CREATE_FRAGMENTATION_REF, &Dbdict::execCREATE_FRAGMENTATION_REF);
  addRecSignal(GSN_CREATE_FRAGMENTATION_CONF, &Dbdict::execCREATE_FRAGMENTATION_CONF);
  addRecSignal(GSN_DIADDTABCONF, &Dbdict::execDIADDTABCONF);
  addRecSignal(GSN_DIADDTABREF, &Dbdict::execDIADDTABREF);
  addRecSignal(GSN_ADD_FRAGREQ, &Dbdict::execADD_FRAGREQ);
  addRecSignal(GSN_TAB_COMMITCONF, &Dbdict::execTAB_COMMITCONF);
  addRecSignal(GSN_TAB_COMMITREF, &Dbdict::execTAB_COMMITREF);
  addRecSignal(GSN_ALTER_TABLE_REQ, &Dbdict::execALTER_TABLE_REQ);
  addRecSignal(GSN_ALTER_TAB_REQ, &Dbdict::execALTER_TAB_REQ);
  addRecSignal(GSN_ALTER_TAB_REF, &Dbdict::execALTER_TAB_REF);
  addRecSignal(GSN_ALTER_TAB_CONF, &Dbdict::execALTER_TAB_CONF);

  // Index signals
  addRecSignal(GSN_CREATE_INDX_REQ, &Dbdict::execCREATE_INDX_REQ);
  addRecSignal(GSN_CREATE_INDX_CONF, &Dbdict::execCREATE_INDX_CONF);
  addRecSignal(GSN_CREATE_INDX_REF, &Dbdict::execCREATE_INDX_REF);

  addRecSignal(GSN_ALTER_INDX_REQ, &Dbdict::execALTER_INDX_REQ);
  addRecSignal(GSN_ALTER_INDX_CONF, &Dbdict::execALTER_INDX_CONF);
  addRecSignal(GSN_ALTER_INDX_REF, &Dbdict::execALTER_INDX_REF);

  addRecSignal(GSN_CREATE_TABLE_CONF, &Dbdict::execCREATE_TABLE_CONF);
  addRecSignal(GSN_CREATE_TABLE_REF, &Dbdict::execCREATE_TABLE_REF);

  addRecSignal(GSN_DROP_INDX_REQ, &Dbdict::execDROP_INDX_REQ);
  addRecSignal(GSN_DROP_INDX_CONF, &Dbdict::execDROP_INDX_CONF);
  addRecSignal(GSN_DROP_INDX_REF, &Dbdict::execDROP_INDX_REF);

  addRecSignal(GSN_DROP_TABLE_CONF, &Dbdict::execDROP_TABLE_CONF);
  addRecSignal(GSN_DROP_TABLE_REF, &Dbdict::execDROP_TABLE_REF);

  addRecSignal(GSN_BUILDINDXREQ, &Dbdict::execBUILDINDXREQ);
  addRecSignal(GSN_BUILDINDXCONF, &Dbdict::execBUILDINDXCONF);
  addRecSignal(GSN_BUILDINDXREF, &Dbdict::execBUILDINDXREF);

  // Util signals
  addRecSignal(GSN_UTIL_PREPARE_CONF, &Dbdict::execUTIL_PREPARE_CONF);
  addRecSignal(GSN_UTIL_PREPARE_REF,  &Dbdict::execUTIL_PREPARE_REF);

  addRecSignal(GSN_UTIL_EXECUTE_CONF, &Dbdict::execUTIL_EXECUTE_CONF);
  addRecSignal(GSN_UTIL_EXECUTE_REF,  &Dbdict::execUTIL_EXECUTE_REF);

  addRecSignal(GSN_UTIL_RELEASE_CONF, &Dbdict::execUTIL_RELEASE_CONF);
  addRecSignal(GSN_UTIL_RELEASE_REF,  &Dbdict::execUTIL_RELEASE_REF);

  // Event signals
  addRecSignal(GSN_CREATE_EVNT_REQ,  &Dbdict::execCREATE_EVNT_REQ);
  addRecSignal(GSN_CREATE_EVNT_CONF, &Dbdict::execCREATE_EVNT_CONF);
  addRecSignal(GSN_CREATE_EVNT_REF,  &Dbdict::execCREATE_EVNT_REF);

  addRecSignal(GSN_CREATE_SUBID_CONF, &Dbdict::execCREATE_SUBID_CONF);
  addRecSignal(GSN_CREATE_SUBID_REF,  &Dbdict::execCREATE_SUBID_REF);

  addRecSignal(GSN_SUB_CREATE_CONF, &Dbdict::execSUB_CREATE_CONF);
  addRecSignal(GSN_SUB_CREATE_REF,  &Dbdict::execSUB_CREATE_REF);

  addRecSignal(GSN_SUB_START_REQ,  &Dbdict::execSUB_START_REQ);
  addRecSignal(GSN_SUB_START_CONF,  &Dbdict::execSUB_START_CONF);
  addRecSignal(GSN_SUB_START_REF,  &Dbdict::execSUB_START_REF);

  addRecSignal(GSN_SUB_STOP_REQ,  &Dbdict::execSUB_STOP_REQ);
  addRecSignal(GSN_SUB_STOP_CONF,  &Dbdict::execSUB_STOP_CONF);
  addRecSignal(GSN_SUB_STOP_REF,  &Dbdict::execSUB_STOP_REF);

  addRecSignal(GSN_DROP_EVNT_REQ,  &Dbdict::execDROP_EVNT_REQ);

  addRecSignal(GSN_SUB_REMOVE_REQ, &Dbdict::execSUB_REMOVE_REQ);
  addRecSignal(GSN_SUB_REMOVE_CONF, &Dbdict::execSUB_REMOVE_CONF);
  addRecSignal(GSN_SUB_REMOVE_REF,  &Dbdict::execSUB_REMOVE_REF);

  // Trigger signals
  addRecSignal(GSN_CREATE_TRIG_REQ, &Dbdict::execCREATE_TRIG_REQ);
  addRecSignal(GSN_CREATE_TRIG_CONF, &Dbdict::execCREATE_TRIG_CONF);
  addRecSignal(GSN_CREATE_TRIG_REF, &Dbdict::execCREATE_TRIG_REF);
  addRecSignal(GSN_ALTER_TRIG_REQ, &Dbdict::execALTER_TRIG_REQ);
  addRecSignal(GSN_ALTER_TRIG_CONF, &Dbdict::execALTER_TRIG_CONF);
  addRecSignal(GSN_ALTER_TRIG_REF, &Dbdict::execALTER_TRIG_REF);
  addRecSignal(GSN_DROP_TRIG_REQ, &Dbdict::execDROP_TRIG_REQ);
  addRecSignal(GSN_DROP_TRIG_CONF, &Dbdict::execDROP_TRIG_CONF);
  addRecSignal(GSN_DROP_TRIG_REF, &Dbdict::execDROP_TRIG_REF);

  // Received signals
  addRecSignal(GSN_HOT_SPAREREP, &Dbdict::execHOT_SPAREREP);
  addRecSignal(GSN_GET_SCHEMA_INFOREQ, &Dbdict::execGET_SCHEMA_INFOREQ);
  addRecSignal(GSN_SCHEMA_INFO, &Dbdict::execSCHEMA_INFO);
  addRecSignal(GSN_SCHEMA_INFOCONF, &Dbdict::execSCHEMA_INFOCONF);
  addRecSignal(GSN_DICTSTARTREQ, &Dbdict::execDICTSTARTREQ);
  addRecSignal(GSN_READ_NODESCONF, &Dbdict::execREAD_NODESCONF);
  addRecSignal(GSN_FSOPENCONF, &Dbdict::execFSOPENCONF);
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  addRecSignal(GSN_FSOPENREF, &Dbdict::execFSOPENREF, true);
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  addRecSignal(GSN_FSCLOSECONF, &Dbdict::execFSCLOSECONF);
  addRecSignal(GSN_FSWRITECONF, &Dbdict::execFSWRITECONF);
  addRecSignal(GSN_FSREADCONF, &Dbdict::execFSREADCONF);
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  addRecSignal(GSN_FSREADREF, &Dbdict::execFSREADREF, true);
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  addRecSignal(GSN_LQHFRAGCONF, &Dbdict::execLQHFRAGCONF);
  addRecSignal(GSN_LQHADDATTCONF, &Dbdict::execLQHADDATTCONF);
  addRecSignal(GSN_LQHADDATTREF, &Dbdict::execLQHADDATTREF);
  addRecSignal(GSN_LQHFRAGREF, &Dbdict::execLQHFRAGREF);
  addRecSignal(GSN_NDB_STTOR, &Dbdict::execNDB_STTOR);
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  addRecSignal(GSN_READ_CONFIG_REQ, &Dbdict::execREAD_CONFIG_REQ, true);
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  addRecSignal(GSN_STTOR, &Dbdict::execSTTOR);
  addRecSignal(GSN_TC_SCHVERCONF, &Dbdict::execTC_SCHVERCONF);
  addRecSignal(GSN_NODE_FAILREP, &Dbdict::execNODE_FAILREP);
  addRecSignal(GSN_INCL_NODEREQ, &Dbdict::execINCL_NODEREQ);
  addRecSignal(GSN_API_FAILREQ, &Dbdict::execAPI_FAILREQ);

  addRecSignal(GSN_WAIT_GCP_REF, &Dbdict::execWAIT_GCP_REF);
  addRecSignal(GSN_WAIT_GCP_CONF, &Dbdict::execWAIT_GCP_CONF);

  addRecSignal(GSN_LIST_TABLES_REQ, &Dbdict::execLIST_TABLES_REQ);

  addRecSignal(GSN_DROP_TABLE_REQ, &Dbdict::execDROP_TABLE_REQ);
  
  addRecSignal(GSN_PREP_DROP_TAB_REQ, &Dbdict::execPREP_DROP_TAB_REQ);
  addRecSignal(GSN_PREP_DROP_TAB_REF, &Dbdict::execPREP_DROP_TAB_REF);
  addRecSignal(GSN_PREP_DROP_TAB_CONF, &Dbdict::execPREP_DROP_TAB_CONF);
  
  addRecSignal(GSN_DROP_TAB_REQ, &Dbdict::execDROP_TAB_REQ);
  addRecSignal(GSN_DROP_TAB_REF, &Dbdict::execDROP_TAB_REF);
  addRecSignal(GSN_DROP_TAB_CONF, &Dbdict::execDROP_TAB_CONF);
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  addRecSignal(GSN_CREATE_FILE_REQ, &Dbdict::execCREATE_FILE_REQ);
  addRecSignal(GSN_CREATE_FILEGROUP_REQ, &Dbdict::execCREATE_FILEGROUP_REQ);

  addRecSignal(GSN_DROP_FILE_REQ, &Dbdict::execDROP_FILE_REQ);
  addRecSignal(GSN_DROP_FILE_REF, &Dbdict::execDROP_FILE_REF);
  addRecSignal(GSN_DROP_FILE_CONF, &Dbdict::execDROP_FILE_CONF);

  addRecSignal(GSN_DROP_FILEGROUP_REQ, &Dbdict::execDROP_FILEGROUP_REQ);
  addRecSignal(GSN_DROP_FILEGROUP_REF, &Dbdict::execDROP_FILEGROUP_REF);
  addRecSignal(GSN_DROP_FILEGROUP_CONF, &Dbdict::execDROP_FILEGROUP_CONF);
  
  addRecSignal(GSN_CREATE_OBJ_REQ, &Dbdict::execCREATE_OBJ_REQ);
  addRecSignal(GSN_CREATE_OBJ_REF, &Dbdict::execCREATE_OBJ_REF);
  addRecSignal(GSN_CREATE_OBJ_CONF, &Dbdict::execCREATE_OBJ_CONF);
  addRecSignal(GSN_DROP_OBJ_REQ, &Dbdict::execDROP_OBJ_REQ);
  addRecSignal(GSN_DROP_OBJ_REF, &Dbdict::execDROP_OBJ_REF);
  addRecSignal(GSN_DROP_OBJ_CONF, &Dbdict::execDROP_OBJ_CONF);

  addRecSignal(GSN_CREATE_FILE_REF, &Dbdict::execCREATE_FILE_REF);
  addRecSignal(GSN_CREATE_FILE_CONF, &Dbdict::execCREATE_FILE_CONF);
  addRecSignal(GSN_CREATE_FILEGROUP_REF, &Dbdict::execCREATE_FILEGROUP_REF);
  addRecSignal(GSN_CREATE_FILEGROUP_CONF, &Dbdict::execCREATE_FILEGROUP_CONF);

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  addRecSignal(GSN_BACKUP_FRAGMENT_REQ, &Dbdict::execBACKUP_FRAGMENT_REQ);
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  addRecSignal(GSN_DICT_COMMIT_REQ, &Dbdict::execDICT_COMMIT_REQ);
  addRecSignal(GSN_DICT_COMMIT_REF, &Dbdict::execDICT_COMMIT_REF);
  addRecSignal(GSN_DICT_COMMIT_CONF, &Dbdict::execDICT_COMMIT_CONF);

  addRecSignal(GSN_DICT_ABORT_REQ, &Dbdict::execDICT_ABORT_REQ);
  addRecSignal(GSN_DICT_ABORT_REF, &Dbdict::execDICT_ABORT_REF);
  addRecSignal(GSN_DICT_ABORT_CONF, &Dbdict::execDICT_ABORT_CONF);

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  addRecSignal(GSN_DICT_LOCK_REQ, &Dbdict::execDICT_LOCK_REQ);
  addRecSignal(GSN_DICT_UNLOCK_ORD, &Dbdict::execDICT_UNLOCK_ORD);
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}//Dbdict::Dbdict()

Dbdict::~Dbdict() 
{
}//Dbdict::~Dbdict()

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BLOCK_FUNCTIONS(Dbdict)
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void Dbdict::initCommonData() 
{
/* ---------------------------------------------------------------- */
// Initialise all common variables.
/* ---------------------------------------------------------------- */
  initRetrieveRecord(0, 0, 0);
  initSchemaRecord();
  initRestartRecord();
  initSendSchemaRecord();
  initReadTableRecord();
  initWriteTableRecord();
  initReadSchemaRecord();
  initWriteSchemaRecord();

  c_masterNodeId = ZNIL;
  c_numberNode = 0;
  c_noNodesFailed = 0;
  c_failureNr = 0;
  c_blockState = BS_IDLE;
  c_packTable.m_state = PackTable::PTS_IDLE;
  c_startPhase = 0;
  c_restartType = 255; //Ensure not used restartType
  c_tabinfoReceived = 0;
  c_initialStart = false;
  c_systemRestart = false;
  c_initialNodeRestart = false;
  c_nodeRestart = false;
}//Dbdict::initCommonData()

void Dbdict::initRecords() 
{
  initNodeRecords();
  initPageRecords();
  initTableRecords();
  initTriggerRecords();
}//Dbdict::initRecords()

void Dbdict::initSendSchemaRecord() 
{
  c_sendSchemaRecord.noOfWords = (Uint32)-1;
  c_sendSchemaRecord.pageId = RNIL;
  c_sendSchemaRecord.noOfWordsCurrentlySent = 0;
  c_sendSchemaRecord.noOfSignalsSentSinceDelay = 0;
  c_sendSchemaRecord.inUse = false;
  //c_sendSchemaRecord.sendSchemaState = SendSchemaRecord::IDLE;
}//initSendSchemaRecord()

void Dbdict::initReadTableRecord() 
{
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  c_readTableRecord.no_of_words= 0;
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  c_readTableRecord.pageId = RNIL;
  c_readTableRecord.tableId = ZNIL;
  c_readTableRecord.inUse = false;
}//initReadTableRecord()

void Dbdict::initWriteTableRecord() 
{
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  c_writeTableRecord.no_of_words= 0;
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  c_writeTableRecord.pageId = RNIL;
  c_writeTableRecord.noOfTableFilesHandled = 3;
  c_writeTableRecord.tableId = ZNIL;
  c_writeTableRecord.tableWriteState = WriteTableRecord::IDLE;
}//initWriteTableRecord()

void Dbdict::initReadSchemaRecord() 
{
  c_readSchemaRecord.pageId = RNIL;
  c_readSchemaRecord.schemaReadState = ReadSchemaRecord::IDLE;
}//initReadSchemaRecord()

void Dbdict::initWriteSchemaRecord() 
{
  c_writeSchemaRecord.inUse = false;
  c_writeSchemaRecord.pageId = RNIL;
  c_writeSchemaRecord.noOfSchemaFilesHandled = 3;
}//initWriteSchemaRecord()

void Dbdict::initRetrieveRecord(Signal* signal, Uint32 i, Uint32 returnCode) 
{
  c_retrieveRecord.busyState = false;
  c_retrieveRecord.blockRef = 0;
  c_retrieveRecord.m_senderData = RNIL;
  c_retrieveRecord.tableId = RNIL;
  c_retrieveRecord.currentSent = 0;
  c_retrieveRecord.retrievedNoOfPages = 0;
  c_retrieveRecord.retrievedNoOfWords = 0;
  c_retrieveRecord.m_useLongSig = false;
}//initRetrieveRecord()

void Dbdict::initSchemaRecord() 
{
  c_schemaRecord.schemaPage = RNIL;
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  c_schemaRecord.oldSchemaPage = RNIL;
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}//Dbdict::initSchemaRecord()

void Dbdict::initRestartRecord() 
{
  c_restartRecord.gciToRestart = 0;
  c_restartRecord.activeTable = ZNIL;
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  c_restartRecord.m_pass = 0;
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}//Dbdict::initRestartRecord()

void Dbdict::initNodeRecords() 
{
  jam();
  for (unsigned i = 1; i < MAX_NODES; i++) {
    NodeRecordPtr nodePtr;
    c_nodes.getPtr(nodePtr, i);
    nodePtr.p->hotSpare = false;
    nodePtr.p->nodeState = NodeRecord::API_NODE;
  }//for
}//Dbdict::initNodeRecords()

void Dbdict::initPageRecords() 
{
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  c_retrieveRecord.retrievePage =  ZMAX_PAGES_OF_TABLE_DEFINITION;
  ndbrequire(ZNUMBER_OF_PAGES >= (ZMAX_PAGES_OF_TABLE_DEFINITION + 1));
  c_schemaRecord.schemaPage = 0;
  c_schemaRecord.oldSchemaPage = NDB_SF_MAX_PAGES;
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}//Dbdict::initPageRecords()

void Dbdict::initTableRecords() 
{
  TableRecordPtr tablePtr;
  while (1) {
    jam();
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    refresh_watch_dog();
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    c_tableRecordPool.seize(tablePtr);
    if (tablePtr.i == RNIL) {
      jam();
      break;
    }//if
    initialiseTableRecord(tablePtr);
  }//while
}//Dbdict::initTableRecords()

void Dbdict::initialiseTableRecord(TableRecordPtr tablePtr) 
{
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  new (tablePtr.p) TableRecord();
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  tablePtr.p->activePage = RNIL;
  tablePtr.p->filePtr[0] = RNIL;
  tablePtr.p->filePtr[1] = RNIL;
  tablePtr.p->firstPage = RNIL;
  tablePtr.p->tableId = tablePtr.i;
  tablePtr.p->tableVersion = (Uint32)-1;
  tablePtr.p->tabState = TableRecord::NOT_DEFINED;
  tablePtr.p->tabReturnState = TableRecord::TRS_IDLE;
  tablePtr.p->fragmentType = DictTabInfo::AllNodesSmallTable;
  tablePtr.p->gciTableCreated = 0;
  tablePtr.p->noOfAttributes = ZNIL;
  tablePtr.p->noOfNullAttr = 0;
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  tablePtr.p->fragmentCount = 0;
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  /*
    tablePtr.p->lh3PageIndexBits = 0;
    tablePtr.p->lh3DistrBits = 0;
    tablePtr.p->lh3PageBits = 6;
  */
  tablePtr.p->kValue = 6;
  tablePtr.p->localKeyLen = 1;
  tablePtr.p->maxLoadFactor = 80;
  tablePtr.p->minLoadFactor = 70;
  tablePtr.p->noOfPrimkey = 1;
  tablePtr.p->tupKeyLength = 1;
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  tablePtr.p->maxRowsLow = 0;
  tablePtr.p->maxRowsHigh = 0;
  tablePtr.p->defaultNoPartFlag = true;
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  tablePtr.p->linearHashFlag = true;
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  tablePtr.p->m_bits = 0;
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  tablePtr.p->minRowsLow = 0;
  tablePtr.p->minRowsHigh = 0;
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  tablePtr.p->tableType = DictTabInfo::UserTable;
  tablePtr.p->primaryTableId = RNIL;
  // volatile elements
  tablePtr.p->indexState = TableRecord::IS_UNDEFINED;
  tablePtr.p->insertTriggerId = RNIL;
  tablePtr.p->updateTriggerId = RNIL;
  tablePtr.p->deleteTriggerId = RNIL;
  tablePtr.p->customTriggerId = RNIL;
  tablePtr.p->buildTriggerId = RNIL;
  tablePtr.p->indexLocal = 0;
}//Dbdict::initialiseTableRecord()

void Dbdict::initTriggerRecords()
{
  TriggerRecordPtr triggerPtr;
  while (1) {
    jam();
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    refresh_watch_dog();
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    c_triggerRecordPool.seize(triggerPtr);
    if (triggerPtr.i == RNIL) {
      jam();
      break;
    }//if
    initialiseTriggerRecord(triggerPtr);
  }//while
}

void Dbdict::initialiseTriggerRecord(TriggerRecordPtr triggerPtr)
{
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  new (triggerPtr.p) TriggerRecord();
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  triggerPtr.p->triggerState = TriggerRecord::TS_NOT_DEFINED;
  triggerPtr.p->triggerLocal = 0;
  triggerPtr.p->triggerId = RNIL;
  triggerPtr.p->tableId = RNIL;
  triggerPtr.p->triggerType = (TriggerType::Value)~0;
  triggerPtr.p->triggerActionTime = (TriggerActionTime::Value)~0;
  triggerPtr.p->triggerEvent = (TriggerEvent::Value)~0;
  triggerPtr.p->monitorReplicas = false;
  triggerPtr.p->monitorAllAttributes = false;
  triggerPtr.p->attributeMask.clear();
  triggerPtr.p->indexId = RNIL;
}

Uint32 Dbdict::getFsConnRecord() 
{
  FsConnectRecordPtr fsPtr;
  c_fsConnectRecordPool.seize(fsPtr);
  ndbrequire(fsPtr.i != RNIL);
  fsPtr.p->filePtr = (Uint32)-1;
  fsPtr.p->ownerPtr = RNIL;
  fsPtr.p->fsState = FsConnectRecord::IDLE;
  return fsPtr.i;
}//Dbdict::getFsConnRecord()

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/*
 * Search schemafile for free entry.  Its index is used as 'logical id'
 * of new disk-stored object.
 */
Uint32 Dbdict::getFreeObjId(Uint32 minId)
{
  const XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  Uint32 noOfPages = xsf->noOfPages;
  Uint32 n, i;
  for (n = 0; n < noOfPages; n++) {
    jam();
    const SchemaFile * sf = &xsf->schemaPage[n];
    for (i = 0; i < NDB_SF_PAGE_ENTRIES; i++) {
      const SchemaFile::TableEntry& te = sf->TableEntries[i];
      if (te.m_tableState == (Uint32)SchemaFile::INIT ||
          te.m_tableState == (Uint32)SchemaFile::DROP_TABLE_COMMITTED) {
        // minId is obsolete anyway
        if (minId <= n * NDB_SF_PAGE_ENTRIES + i)
          return n * NDB_SF_PAGE_ENTRIES + i;
      }
    }
  }
  return RNIL;
}

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Uint32 Dbdict::getFreeTableRecord(Uint32 primaryTableId) 
{
  Uint32 minId = (primaryTableId == RNIL ? 0 : primaryTableId + 1);
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  Uint32 i = getFreeObjId(minId);
  if (i == RNIL) {
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    jam();
    return RNIL;
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  }
  if (i >= c_tableRecordPool.getSize()) {
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    jam();
    return RNIL;
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  }
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, i);
  ndbrequire(tablePtr.p->tabState == TableRecord::NOT_DEFINED);
  initialiseTableRecord(tablePtr);
  tablePtr.p->tabState = TableRecord::DEFINING;
  return i;
}
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Uint32 Dbdict::getFreeTriggerRecord()
{
  const Uint32 size = c_triggerRecordPool.getSize();
  TriggerRecordPtr triggerPtr;
  for (triggerPtr.i = 0; triggerPtr.i < size; triggerPtr.i++) {
    jam();
    c_triggerRecordPool.getPtr(triggerPtr);
    if (triggerPtr.p->triggerState == TriggerRecord::TS_NOT_DEFINED) {
      jam();
      initialiseTriggerRecord(triggerPtr);
      return triggerPtr.i;
    }
  }
  return RNIL;
}

/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          START/RESTART HANDLING ------------------------ */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains the code that is common for all             */
/* start/restart types.                                             */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

/* ---------------------------------------------------------------- */
// This is sent as the first signal during start/restart.
/* ---------------------------------------------------------------- */
void Dbdict::execSTTOR(Signal* signal) 
{
  jamEntry();
  c_startPhase = signal->theData[1];
  switch (c_startPhase) {
  case 1:
    break;
  case 3:
    c_restartType = signal->theData[7];         /* valid if 3 */
    ndbrequire(c_restartType == NodeState::ST_INITIAL_START ||
               c_restartType == NodeState::ST_SYSTEM_RESTART ||
               c_restartType == NodeState::ST_INITIAL_NODE_RESTART ||
               c_restartType == NodeState::ST_NODE_RESTART);
    break;
  }
  sendSTTORRY(signal);
}//execSTTOR()

void Dbdict::sendSTTORRY(Signal* signal)
{
  signal->theData[0] = 0;       /* garbage SIGNAL KEY */
  signal->theData[1] = 0;       /* garbage SIGNAL VERSION NUMBER  */
  signal->theData[2] = 0;       /* garbage */
  signal->theData[3] = 1;       /* first wanted start phase */
  signal->theData[4] = 3;       /* get type of start */
  signal->theData[5] = ZNOMOREPHASES;
  sendSignal(NDBCNTR_REF, GSN_STTORRY, signal, 6, JBB);
}

/* ---------------------------------------------------------------- */
// We receive information about sizes of records.
/* ---------------------------------------------------------------- */
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void Dbdict::execREAD_CONFIG_REQ(Signal* signal) 
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{
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  const ReadConfigReq * req = (ReadConfigReq*)signal->getDataPtr();
  Uint32 ref = req->senderRef;
  Uint32 senderData = req->senderData;
  ndbrequire(req->noOfParameters == 0);

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  jamEntry();
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  const ndb_mgm_configuration_iterator * p = 
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    m_ctx.m_config.getOwnConfigIterator();
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  ndbrequire(p != 0);
  
  Uint32 attributesize, tablerecSize;
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  ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DB_NO_TRIGGERS, 
					&c_maxNoOfTriggers));
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  ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DICT_ATTRIBUTE,&attributesize));
  ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DICT_TABLE, &tablerecSize));
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  c_attributeRecordPool.setSize(attributesize);
  c_attributeRecordHash.setSize(64);
  c_fsConnectRecordPool.setSize(ZFS_CONNECT_SIZE);
  c_nodes.setSize(MAX_NODES);
  c_pageRecordArray.setSize(ZNUMBER_OF_PAGES);
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  c_schemaPageRecordArray.setSize(2 * NDB_SF_MAX_PAGES);
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  c_tableRecordPool.setSize(tablerecSize);
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  g_key_descriptor_pool.setSize(tablerecSize);
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  c_triggerRecordPool.setSize(c_maxNoOfTriggers);
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  c_obj_pool.setSize(tablerecSize+c_maxNoOfTriggers);
  c_obj_hash.setSize((tablerecSize+c_maxNoOfTriggers+1)/2);

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  Pool_context pc;
  pc.m_block = this;

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  c_file_hash.setSize(16);
  c_filegroup_hash.setSize(16);
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  c_file_pool.init(RT_DBDICT_FILE, pc);
  c_filegroup_pool.init(RT_DBDICT_FILEGROUP, pc);
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  c_opRecordPool.setSize(256);   // XXX need config params
  c_opCreateTable.setSize(8);
  c_opDropTable.setSize(8);
  c_opCreateIndex.setSize(8);
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  c_opCreateEvent.setSize(2);
  c_opSubEvent.setSize(2);
  c_opDropEvent.setSize(2);
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  c_opSignalUtil.setSize(8);
  c_opDropIndex.setSize(8);
  c_opAlterIndex.setSize(8);
  c_opBuildIndex.setSize(8);
  c_opCreateTrigger.setSize(8);
  c_opDropTrigger.setSize(8);
  c_opAlterTrigger.setSize(8);
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  c_dictLockPool.setSize(32);
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  // Initialize schema file copies
  c_schemaFile[0].schemaPage =
    (SchemaFile*)c_schemaPageRecordArray.getPtr(0 * NDB_SF_MAX_PAGES);
  c_schemaFile[0].noOfPages = 0;
  c_schemaFile[1].schemaPage =
    (SchemaFile*)c_schemaPageRecordArray.getPtr(1 * NDB_SF_MAX_PAGES);
  c_schemaFile[1].noOfPages = 0;
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  c_schemaOp.setSize(8);
  //c_opDropObj.setSize(8);
  c_Trans.setSize(8);

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  Uint32 rps = 0;
  rps += tablerecSize * (MAX_TAB_NAME_SIZE + MAX_FRM_DATA_SIZE);
  rps += attributesize * (MAX_ATTR_NAME_SIZE + MAX_ATTR_DEFAULT_VALUE_SIZE);
  rps += c_maxNoOfTriggers * MAX_TAB_NAME_SIZE;
  rps += (10 + 10) * MAX_TAB_NAME_SIZE;

  Uint32 sm = 5;
  ndb_mgm_get_int_parameter(p, CFG_DB_STRING_MEMORY, &sm);
  if (sm == 0)
    sm = 5;
  
  Uint32 sb = 0;
  if (sm < 100)
  {
    sb = (rps * sm) / 100;
  }
  else
  {
    sb = sm;
  }
  
  c_rope_pool.setSize(sb/28 + 100);
  
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  // Initialize BAT for interface to file system
  NewVARIABLE* bat = allocateBat(2);
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  bat[0].WA = &c_schemaPageRecordArray.getPtr(0)->word[0];
  bat[0].nrr = 2 * NDB_SF_MAX_PAGES;
  bat[0].ClusterSize = NDB_SF_PAGE_SIZE;
  bat[0].bits.q = NDB_SF_PAGE_SIZE_IN_WORDS_LOG2;
  bat[0].bits.v = 5;  // 32 bits per element
  bat[1].WA = &c_pageRecordArray.getPtr(0)->word[0];
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  bat[1].nrr = ZNUMBER_OF_PAGES;
  bat[1].ClusterSize = ZSIZE_OF_PAGES_IN_WORDS * 4;
  bat[1].bits.q = ZLOG_SIZE_OF_PAGES_IN_WORDS; // 2**13 = 8192 elements
  bat[1].bits.v = 5;  // 32 bits per element

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  initCommonData();
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  initRecords();
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  ReadConfigConf * conf = (ReadConfigConf*)signal->getDataPtrSend();
  conf->senderRef = reference();
  conf->senderData = senderData;
  sendSignal(ref, GSN_READ_CONFIG_CONF, signal, 
	     ReadConfigConf::SignalLength, JBB);
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  {
    Ptr<DictObject> ptr;
    SLList<DictObject> objs(c_obj_pool);
    while(objs.seize(ptr))
      new (ptr.p) DictObject();
    objs.release();
  }
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}//execSIZEALT_REP()

/* ---------------------------------------------------------------- */
// Start phase signals sent by CNTR. We reply with NDB_STTORRY when
// we completed this phase.
/* ---------------------------------------------------------------- */
void Dbdict::execNDB_STTOR(Signal* signal) 
{
  jamEntry();
  c_startPhase = signal->theData[2];
  const Uint32 restartType = signal->theData[3];
  if (restartType == NodeState::ST_INITIAL_START) {
    jam();
    c_initialStart = true;
  } else if (restartType == NodeState::ST_SYSTEM_RESTART) {
    jam();
    c_systemRestart = true;
  } else if (restartType == NodeState::ST_INITIAL_NODE_RESTART) {
    jam();
    c_initialNodeRestart = true;
  } else if (restartType == NodeState::ST_NODE_RESTART) {
    jam();
    c_nodeRestart = true;
  } else {
    ndbrequire(false);
  }//if
  switch (c_startPhase) {
  case 1:
    jam();
    initSchemaFile(signal);
    break;
  case 3:
    jam();
    signal->theData[0] = reference();
    sendSignal(NDBCNTR_REF, GSN_READ_NODESREQ, signal, 1, JBB);
    break;
  case 6:
    jam();
    c_initialStart = false;
    c_systemRestart = false;
    c_initialNodeRestart = false;
    c_nodeRestart = false;
    sendNDB_STTORRY(signal);
    break;
  case 7:
    // uses c_restartType
    if(restartType == NodeState::ST_SYSTEM_RESTART &&
       c_masterNodeId == getOwnNodeId()){
      rebuildIndexes(signal, 0);
      return;
    }
    sendNDB_STTORRY(signal);
    break;
  default:
    jam();
    sendNDB_STTORRY(signal);
    break;
  }//switch
}//execNDB_STTOR()

void Dbdict::sendNDB_STTORRY(Signal* signal) 
{
  signal->theData[0] = reference();
  sendSignal(NDBCNTR_REF, GSN_NDB_STTORRY, signal, 1, JBB);
  return;
}//sendNDB_STTORRY()

/* ---------------------------------------------------------------- */
// We receive the information about which nodes that are up and down.
/* ---------------------------------------------------------------- */
void Dbdict::execREAD_NODESCONF(Signal* signal) 
{
  jamEntry();

  ReadNodesConf * const readNodes = (ReadNodesConf *)&signal->theData[0];
  c_numberNode   = readNodes->noOfNodes;
  c_masterNodeId = readNodes->masterNodeId;

  c_noNodesFailed = 0;
  c_aliveNodes.clear();
  for (unsigned i = 1; i < MAX_NDB_NODES; i++) {
    jam();
    NodeRecordPtr nodePtr;
    c_nodes.getPtr(nodePtr, i);

    if (NodeBitmask::get(readNodes->allNodes, i)) {
      jam();
      nodePtr.p->nodeState = NodeRecord::NDB_NODE_ALIVE;
      if (NodeBitmask::get(readNodes->inactiveNodes, i)) {
	jam();
	/**-------------------------------------------------------------------
	 *
	 * THIS NODE IS DEFINED IN THE CLUSTER BUT IS NOT ALIVE CURRENTLY.
	 * WE ADD THE NODE TO THE SET OF FAILED NODES AND ALSO SET THE
	 * BLOCKSTATE TO BUSY TO AVOID ADDING TABLES WHILE NOT ALL NODES ARE
	 * ALIVE.
	 *------------------------------------------------------------------*/
        nodePtr.p->nodeState = NodeRecord::NDB_NODE_DEAD;
	c_noNodesFailed++;
      } else {
	c_aliveNodes.set(i);
      }
    }//if
  }//for
  sendNDB_STTORRY(signal);
}//execREAD_NODESCONF()

/* ---------------------------------------------------------------- */
// HOT_SPAREREP informs DBDICT about which nodes that have become
// hot spare nodes.
/* ---------------------------------------------------------------- */
void Dbdict::execHOT_SPAREREP(Signal* signal) 
{
  Uint32 hotSpareNodes = 0;
  jamEntry();
  HotSpareRep * const hotSpare = (HotSpareRep*)&signal->theData[0];
  for (unsigned i = 1; i < MAX_NDB_NODES; i++) {
    if (NodeBitmask::get(hotSpare->theHotSpareNodes, i)) {
      NodeRecordPtr nodePtr;
      c_nodes.getPtr(nodePtr, i);
      nodePtr.p->hotSpare = true;
      hotSpareNodes++;
    }//if
  }//for
  ndbrequire(hotSpareNodes == hotSpare->noHotSpareNodes);
  c_noHotSpareNodes = hotSpareNodes;
  return;
}//execHOT_SPAREREP()

void Dbdict::initSchemaFile(Signal* signal) 
{
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  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  xsf->noOfPages = (c_tableRecordPool.getSize() + NDB_SF_PAGE_ENTRIES - 1)
                   / NDB_SF_PAGE_ENTRIES;
  initSchemaFile(xsf, 0, xsf->noOfPages, true);
  // init alt copy too for INR
  XSchemaFile * oldxsf = &c_schemaFile[c_schemaRecord.oldSchemaPage != 0];
  oldxsf->noOfPages = xsf->noOfPages;
  memcpy(&oldxsf->schemaPage[0], &xsf->schemaPage[0], xsf->schemaPage[0].FileSize);
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  if (c_initialStart || c_initialNodeRestart) {    
    jam();
    ndbrequire(c_writeSchemaRecord.inUse == false);
    c_writeSchemaRecord.inUse = true;
    c_writeSchemaRecord.pageId = c_schemaRecord.schemaPage;
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    c_writeSchemaRecord.newFile = true;
    c_writeSchemaRecord.firstPage = 0;
    c_writeSchemaRecord.noOfPages = xsf->noOfPages;
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    c_writeSchemaRecord.m_callback.m_callbackFunction = 
      safe_cast(&Dbdict::initSchemaFile_conf);
    
    startWriteSchemaFile(signal);
  } else if (c_systemRestart || c_nodeRestart) {
    jam();
    ndbrequire(c_readSchemaRecord.schemaReadState == ReadSchemaRecord::IDLE);
    c_readSchemaRecord.pageId = c_schemaRecord.oldSchemaPage;
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    c_readSchemaRecord.firstPage = 0;
    c_readSchemaRecord.noOfPages = 1;
    c_readSchemaRecord.schemaReadState = ReadSchemaRecord::INITIAL_READ_HEAD;
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    startReadSchemaFile(signal);
  } else {
    ndbrequire(false);
  }//if
}//Dbdict::initSchemaFile()

void
Dbdict::initSchemaFile_conf(Signal* signal, Uint32 callbackData, Uint32 rv){
  jam();
  sendNDB_STTORRY(signal);
}

void
Dbdict::activateIndexes(Signal* signal, Uint32 i)
{
  AlterIndxReq* req = (AlterIndxReq*)signal->getDataPtrSend();
  TableRecordPtr tablePtr;
  for (; i < c_tableRecordPool.getSize(); i++) {
    tablePtr.i = i;
    c_tableRecordPool.getPtr(tablePtr);
    if (tablePtr.p->tabState != TableRecord::DEFINED)
      continue;
    if (! tablePtr.p->isIndex())
      continue;
    jam();
    req->setUserRef(reference());
    req->setConnectionPtr(i);
    req->setTableId(tablePtr.p->primaryTableId);
    req->setIndexId(tablePtr.i);
    req->setIndexVersion(tablePtr.p->tableVersion);
    req->setOnline(true);
    if (c_restartType == NodeState::ST_SYSTEM_RESTART) {
      if (c_masterNodeId != getOwnNodeId())
        continue;
      // from file index state is not defined currently
      req->setRequestType(AlterIndxReq::RT_SYSTEMRESTART);
      req->addRequestFlag((Uint32)RequestFlag::RF_NOBUILD);
    }
    else if (
        c_restartType == NodeState::ST_NODE_RESTART ||
        c_restartType == NodeState::ST_INITIAL_NODE_RESTART) {
      // from master index must be online
      if (tablePtr.p->indexState != TableRecord::IS_ONLINE)
        continue;
      req->setRequestType(AlterIndxReq::RT_NODERESTART);
      // activate locally, rebuild not needed
      req->addRequestFlag((Uint32)RequestFlag::RF_LOCAL);
      req->addRequestFlag((Uint32)RequestFlag::RF_NOBUILD);
    } else {
      ndbrequire(false);
    }
    sendSignal(reference(), GSN_ALTER_INDX_REQ,
      signal, AlterIndxReq::SignalLength, JBB);
    return;
  }
  signal->theData[0] = reference();
  sendSignal(c_restartRecord.returnBlockRef, GSN_DICTSTARTCONF,
	     signal, 1, JBB);
}

void
Dbdict::rebuildIndexes(Signal* signal, Uint32 i){
  BuildIndxReq* const req = (BuildIndxReq*)signal->getDataPtrSend();
  
  TableRecordPtr indexPtr;
  for (; i < c_tableRecordPool.getSize(); i++) {
    indexPtr.i = i;
    c_tableRecordPool.getPtr(indexPtr);
    if (indexPtr.p->tabState != TableRecord::DEFINED)
      continue;
    if (! indexPtr.p->isIndex())
      continue;

    jam();

    req->setUserRef(reference());
    req->setConnectionPtr(i);
    req->setRequestType(BuildIndxReq::RT_SYSTEMRESTART);
    req->setBuildId(0);   // not used
    req->setBuildKey(0);  // not used
    req->setIndexType(indexPtr.p->tableType);
    req->setIndexId(indexPtr.i);
    req->setTableId(indexPtr.p->primaryTableId);
    req->setParallelism(16);

    // from file index state is not defined currently
2390
    if (indexPtr.p->m_bits & TableRecord::TR_Logged) {
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      // rebuild not needed
      req->addRequestFlag((Uint32)RequestFlag::RF_NOBUILD);
    }
    
    // send
    sendSignal(reference(), GSN_BUILDINDXREQ,
	       signal, BuildIndxReq::SignalLength, JBB);
    return;
  }
  sendNDB_STTORRY(signal);
}


/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          SYSTEM RESTART MODULE ------------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains code specific for system restart            */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

/* ---------------------------------------------------------------- */
// DIH asks DICT to read in table data from disk during system
// restart. DIH also asks DICT to send information about which
// tables that should be started as part of this system restart.
// DICT will also activate the tables in TC as part of this process.
/* ---------------------------------------------------------------- */
void Dbdict::execDICTSTARTREQ(Signal* signal) 
{
  jamEntry();
  c_restartRecord.gciToRestart = signal->theData[0];
  c_restartRecord.returnBlockRef = signal->theData[1];
  if (c_nodeRestart || c_initialNodeRestart) {
    jam();   

    CRASH_INSERTION(6000);

    BlockReference dictRef = calcDictBlockRef(c_masterNodeId);
    signal->theData[0] = getOwnNodeId();
    sendSignal(dictRef, GSN_GET_SCHEMA_INFOREQ, signal, 1, JBB);
    return;
  }
  ndbrequire(c_systemRestart);
  ndbrequire(c_masterNodeId == getOwnNodeId());

  c_schemaRecord.m_callback.m_callbackData = 0;
  c_schemaRecord.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::masterRestart_checkSchemaStatusComplete);

2441
  c_restartRecord.m_pass = 0;
2442
  c_restartRecord.activeTable = 0;
2443
  c_schemaRecord.schemaPage = c_schemaRecord.oldSchemaPage; // ugly
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  checkSchemaStatus(signal);
}//execDICTSTARTREQ()

void
Dbdict::masterRestart_checkSchemaStatusComplete(Signal* signal,
						Uint32 callbackData,
						Uint32 returnCode){

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  c_schemaRecord.schemaPage = 0; // ugly
  XSchemaFile * oldxsf = &c_schemaFile[c_schemaRecord.oldSchemaPage != 0];
  ndbrequire(oldxsf->noOfPages != 0);
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  LinearSectionPtr ptr[3];
2457 2458
  ptr[0].p = (Uint32*)&oldxsf->schemaPage[0];
  ptr[0].sz = oldxsf->noOfPages * NDB_SF_PAGE_SIZE_IN_WORDS;
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  c_sendSchemaRecord.m_SCHEMAINFO_Counter = c_aliveNodes;
  NodeReceiverGroup rg(DBDICT, c_aliveNodes);

  rg.m_nodes.clear(getOwnNodeId());
  Callback c = { 0, 0 };
  sendFragmentedSignal(rg,
		       GSN_SCHEMA_INFO,
		       signal, 
		       1, //SchemaInfo::SignalLength,
		       JBB,
		       ptr,
		       1,
		       c);

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  XSchemaFile * newxsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  newxsf->noOfPages = oldxsf->noOfPages;
  memcpy(&newxsf->schemaPage[0], &oldxsf->schemaPage[0],
         oldxsf->noOfPages * NDB_SF_PAGE_SIZE);
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  signal->theData[0] = getOwnNodeId();
  sendSignal(reference(), GSN_SCHEMA_INFOCONF, signal, 1, JBB);
}

void 
Dbdict::execGET_SCHEMA_INFOREQ(Signal* signal){

  const Uint32 ref = signal->getSendersBlockRef();
  //const Uint32 senderData = signal->theData[0];
  
  ndbrequire(c_sendSchemaRecord.inUse == false);
  c_sendSchemaRecord.inUse = true;

  LinearSectionPtr ptr[3];
  
2494 2495
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  ndbrequire(xsf->noOfPages != 0);
2496
  
2497 2498
  ptr[0].p = (Uint32*)&xsf->schemaPage[0];
  ptr[0].sz = xsf->noOfPages * NDB_SF_PAGE_SIZE_IN_WORDS;
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  Callback c = { safe_cast(&Dbdict::sendSchemaComplete), 0 };
  sendFragmentedSignal(ref,
		       GSN_SCHEMA_INFO,
		       signal, 
		       1, //GetSchemaInfoConf::SignalLength,
		       JBB,
		       ptr,
		       1,
		       c);
}//Dbdict::execGET_SCHEMA_INFOREQ()

void
Dbdict::sendSchemaComplete(Signal * signal, 
			   Uint32 callbackData,
			   Uint32 returnCode){
  ndbrequire(c_sendSchemaRecord.inUse == true);
  c_sendSchemaRecord.inUse = false;

}


/* ---------------------------------------------------------------- */
// We receive the schema info from master as part of all restarts
// except the initial start where no tables exists.
/* ---------------------------------------------------------------- */
void Dbdict::execSCHEMA_INFO(Signal* signal) 
{
  jamEntry();
  if(!assembleFragments(signal)){
    jam();
    return;
  }

  if(getNodeState().getNodeRestartInProgress()){
    CRASH_INSERTION(6001);
  }

  SegmentedSectionPtr schemaDataPtr;
  signal->getSection(schemaDataPtr, 0);

2540 2541 2542 2543
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  ndbrequire(schemaDataPtr.sz % NDB_SF_PAGE_SIZE_IN_WORDS == 0);
  xsf->noOfPages = schemaDataPtr.sz / NDB_SF_PAGE_SIZE_IN_WORDS;
  copy((Uint32*)&xsf->schemaPage[0], schemaDataPtr);
2544
  releaseSections(signal);
2545 2546
  
  SchemaFile * sf0 = &xsf->schemaPage[0];
2547 2548
  if (sf0->NdbVersion < NDB_SF_VERSION_5_0_6) {
    bool ok = convertSchemaFileTo_5_0_6(xsf);
2549 2550
    ndbrequire(ok);
  }
2551
    
2552 2553 2554 2555
  validateChecksum(xsf);

  XSchemaFile * oldxsf = &c_schemaFile[c_schemaRecord.oldSchemaPage != 0];
  resizeSchemaFile(xsf, oldxsf->noOfPages);
2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568

  ndbrequire(signal->getSendersBlockRef() != reference());
    
  /* ---------------------------------------------------------------- */
  // Synchronise our view on data with other nodes in the cluster.
  // This is an important part of restart handling where we will handle
  // cases where the table have been added but only partially, where
  // tables have been deleted but not completed the deletion yet and
  // other scenarios needing synchronisation.
  /* ---------------------------------------------------------------- */
  c_schemaRecord.m_callback.m_callbackData = 0;
  c_schemaRecord.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restart_checkSchemaStatusComplete);
2569 2570

  c_restartRecord.m_pass= 0;
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  c_restartRecord.activeTable = 0;
  checkSchemaStatus(signal);
}//execSCHEMA_INFO()

void
Dbdict::restart_checkSchemaStatusComplete(Signal * signal, 
					  Uint32 callbackData,
					  Uint32 returnCode){

  ndbrequire(c_writeSchemaRecord.inUse == false);
  c_writeSchemaRecord.inUse = true;
2582
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
2583
  c_writeSchemaRecord.pageId = c_schemaRecord.schemaPage;
2584 2585 2586
  c_writeSchemaRecord.newFile = true;
  c_writeSchemaRecord.firstPage = 0;
  c_writeSchemaRecord.noOfPages = xsf->noOfPages;
2587 2588 2589 2590
  c_writeSchemaRecord.m_callback.m_callbackData = 0;
  c_writeSchemaRecord.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restart_writeSchemaConf);
  
2591 2592 2593
  for(Uint32 i = 0; i<xsf->noOfPages; i++)
    computeChecksum(xsf, i);  

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  startWriteSchemaFile(signal);
}

void
Dbdict::restart_writeSchemaConf(Signal * signal, 
				Uint32 callbackData,
				Uint32 returnCode){

  if(c_systemRestart){
    jam();
    signal->theData[0] = getOwnNodeId();
    sendSignal(calcDictBlockRef(c_masterNodeId), GSN_SCHEMA_INFOCONF,
	       signal, 1, JBB);
    return;
  }
  
  ndbrequire(c_nodeRestart || c_initialNodeRestart);
  c_blockState = BS_IDLE;
  activateIndexes(signal, 0);
  return;
}

void Dbdict::execSCHEMA_INFOCONF(Signal* signal) 
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);

/* ---------------------------------------------------------------- */
// This signal is received in the master as part of system restart
// from all nodes (including the master) after they have synchronised
// their data with the master node's schema information.
/* ---------------------------------------------------------------- */
  const Uint32 nodeId = signal->theData[0];
  c_sendSchemaRecord.m_SCHEMAINFO_Counter.clearWaitingFor(nodeId);

  if (!c_sendSchemaRecord.m_SCHEMAINFO_Counter.done()){
    jam();
    return;
  }//if
  activateIndexes(signal, 0);
}//execSCHEMA_INFOCONF()

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static bool 
checkSchemaStatus(Uint32 tableType, Uint32 pass)
{
  switch(tableType){
  case DictTabInfo::UndefTableType:
    return true;
  case DictTabInfo::HashIndexTrigger:
  case DictTabInfo::SubscriptionTrigger:
  case DictTabInfo::ReadOnlyConstraint:
  case DictTabInfo::IndexTrigger:
    return false;
  case DictTabInfo::LogfileGroup:
    return pass == 0;
  case DictTabInfo::Tablespace:
    return pass == 1;
  case DictTabInfo::Datafile:
  case DictTabInfo::Undofile:
    return pass == 2;
  case DictTabInfo::SystemTable:
  case DictTabInfo::UserTable:
    return pass == 3;
  case DictTabInfo::UniqueHashIndex:
  case DictTabInfo::HashIndex:
  case DictTabInfo::UniqueOrderedIndex:
  case DictTabInfo::OrderedIndex:
    return pass == 4;
  }
  
  return false;
}

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void Dbdict::checkSchemaStatus(Signal* signal) 
{
2669 2670 2671 2672
  XSchemaFile * newxsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  XSchemaFile * oldxsf = &c_schemaFile[c_schemaRecord.oldSchemaPage != 0];
  ndbrequire(newxsf->noOfPages == oldxsf->noOfPages);
  const Uint32 noOfEntries = newxsf->noOfPages * NDB_SF_PAGE_ENTRIES;
2673

2674
  for (; c_restartRecord.activeTable < noOfEntries;
2675 2676 2677 2678
       c_restartRecord.activeTable++) {
    jam();

    Uint32 tableId = c_restartRecord.activeTable;
2679 2680
    SchemaFile::TableEntry *newEntry = getTableEntry(newxsf, tableId);
    SchemaFile::TableEntry *oldEntry = getTableEntry(oldxsf, tableId);
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    SchemaFile::TableState schemaState = 
      (SchemaFile::TableState)newEntry->m_tableState;
    SchemaFile::TableState oldSchemaState = 
      (SchemaFile::TableState)oldEntry->m_tableState;

    if (c_restartRecord.activeTable >= c_tableRecordPool.getSize()) {
      jam();
      ndbrequire(schemaState == SchemaFile::INIT);
      ndbrequire(oldSchemaState == SchemaFile::INIT);
      continue;
    }//if

2693 2694 2695 2696 2697 2698
    if(!::checkSchemaStatus(oldEntry->m_tableType, c_restartRecord.m_pass))
      continue;
    
    if(!::checkSchemaStatus(newEntry->m_tableType, c_restartRecord.m_pass))
      continue;
    
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    switch(schemaState){
    case SchemaFile::INIT:{
      jam();
      bool ok = false;
      switch(oldSchemaState) {
      case SchemaFile::INIT:
	jam();
      case SchemaFile::DROP_TABLE_COMMITTED:
	jam();
	ok = true;
        jam();
	break;

      case SchemaFile::ADD_STARTED:
	jam();
      case SchemaFile::TABLE_ADD_COMMITTED:
	jam();
      case SchemaFile::DROP_TABLE_STARTED:
	jam();
      case SchemaFile::ALTER_TABLE_COMMITTED:
	jam();
	ok = true;
        jam();
	newEntry->m_tableState = SchemaFile::INIT;
	restartDropTab(signal, tableId);
	return;
      }//switch
      ndbrequire(ok);
      break;
    }
    case SchemaFile::ADD_STARTED:{
      jam();
      bool ok = false;
      switch(oldSchemaState) {
      case SchemaFile::INIT:
	jam();
      case SchemaFile::DROP_TABLE_COMMITTED:
	jam();
	ok = true;
	break;
      case SchemaFile::ADD_STARTED: 
	jam();
      case SchemaFile::DROP_TABLE_STARTED:
	jam();
      case SchemaFile::TABLE_ADD_COMMITTED:
	jam();
      case SchemaFile::ALTER_TABLE_COMMITTED:
	jam();
	ok = true;
	//------------------------------------------------------------------
	// Add Table was started but not completed. Will be dropped in all
	// nodes. Update schema information (restore table version).
	//------------------------------------------------------------------
	newEntry->m_tableState = SchemaFile::INIT;
	restartDropTab(signal, tableId);
	return;
      }
      ndbrequire(ok);
      break;
    }
    case SchemaFile::TABLE_ADD_COMMITTED:{
      jam();
      bool ok = false;
      switch(oldSchemaState) {
      case SchemaFile::INIT:
	jam();
      case SchemaFile::ADD_STARTED:
	jam();
      case SchemaFile::DROP_TABLE_STARTED:
	jam();
      case SchemaFile::DROP_TABLE_COMMITTED:
	jam();
	ok = true;
	//------------------------------------------------------------------
	// Table was added in the master node but not in our node. We can
	// retrieve the table definition from the master.
	//------------------------------------------------------------------
2776
	restartCreateTab(signal, tableId, oldEntry, newEntry, false);
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        return;
        break;
      case SchemaFile::TABLE_ADD_COMMITTED:
	jam();
      case SchemaFile::ALTER_TABLE_COMMITTED:
        jam();
	ok = true;
	//------------------------------------------------------------------
	// Table was added in both our node and the master node. We can
	// retrieve the table definition from our own disk.
	//------------------------------------------------------------------
2788 2789 2790 2791 2792 2793
	if(newEntry->m_tableVersion == oldEntry->m_tableVersion)
        {
	  jam();
	  ndbrequire(newEntry->m_gcp == oldEntry->m_gcp);
	  ndbrequire(newEntry->m_tableType == oldEntry->m_tableType);
	  Uint32 type= oldEntry->m_tableType;
2794
          // On NR get index from master because index state is not on file
2795 2796 2797
          const bool file = c_systemRestart || !DictTabInfo::isIndex(type);
	  newEntry->m_info_words= oldEntry->m_info_words;
          restartCreateTab(signal, tableId, oldEntry, newEntry, file);
2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811

          return;
        } else {
	  //------------------------------------------------------------------
	  // Must be a new version of the table if anything differs. Both table
	  // version and global checkpoint must be different.
	  // This should not happen for the master node. This can happen after
	  // drop table followed by add table or after change table.
	  // Not supported in this version.
	  //------------------------------------------------------------------
          ndbrequire(c_masterNodeId != getOwnNodeId());
	  ndbrequire(newEntry->m_tableVersion != oldEntry->m_tableVersion);
          jam();
	  
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	  restartCreateTab(signal, tableId, oldEntry, newEntry, false);
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          return;
        }//if
      }
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      ndbrequire(ok);
      break;
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    }
    case SchemaFile::DROP_TABLE_STARTED:
      jam();
    case SchemaFile::DROP_TABLE_COMMITTED:{
      jam();
      bool ok = false;
      switch(oldSchemaState){
      case SchemaFile::INIT:
	jam();
      case SchemaFile::DROP_TABLE_COMMITTED:
	jam();
	ok = true;
	break;
      case SchemaFile::ADD_STARTED:
	jam();
      case SchemaFile::TABLE_ADD_COMMITTED:
	jam();
      case SchemaFile::DROP_TABLE_STARTED:
	jam();
      case SchemaFile::ALTER_TABLE_COMMITTED:
	jam();
	newEntry->m_tableState = SchemaFile::INIT;
	restartDropTab(signal, tableId);
	return;
      }
      ndbrequire(ok);
      break;
    }
    case SchemaFile::ALTER_TABLE_COMMITTED: {
      jam();
      bool ok = false;
      switch(oldSchemaState) {
      case SchemaFile::INIT:
	jam();
      case SchemaFile::ADD_STARTED:
	jam();
      case SchemaFile::DROP_TABLE_STARTED:
	jam();
      case SchemaFile::DROP_TABLE_COMMITTED:
	jam();
      case SchemaFile::TABLE_ADD_COMMITTED:
        jam();
	ok = true;
	//------------------------------------------------------------------
	// Table was altered in the master node but not in our node. We can
	// retrieve the altered table definition from the master.
	//------------------------------------------------------------------
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	restartCreateTab(signal, tableId, oldEntry, newEntry, false);
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        return;
        break;
      case SchemaFile::ALTER_TABLE_COMMITTED:
        jam();
	ok = true;
	
	//------------------------------------------------------------------
	// Table was altered in both our node and the master node. We can
	// retrieve the table definition from our own disk.
	//------------------------------------------------------------------
	
	// On NR get index from master because index state is not on file
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	Uint32 type= oldEntry->m_tableType;
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        const bool file = (* newEntry == * oldEntry) &&
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	  (c_systemRestart || !DictTabInfo::isIndex(type));
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	newEntry->m_info_words= oldEntry->m_info_words;
	restartCreateTab(signal, tableId, oldEntry, newEntry, file);
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	return;
      }
      ndbrequire(ok);
      break;
    }
    }
  }
  
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  c_restartRecord.m_pass++;
  c_restartRecord.activeTable= 0;
  if(c_restartRecord.m_pass <= 4)
  {
    checkSchemaStatus(signal);
  }
  else
  {
    execute(signal, c_schemaRecord.m_callback, 0);
  }
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}//checkSchemaStatus()

void
Dbdict::restartCreateTab(Signal* signal, Uint32 tableId, 
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			 const SchemaFile::TableEntry * old_entry, 
			 const SchemaFile::TableEntry * new_entry, 
			 bool file){
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  jam();
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  switch(new_entry->m_tableType){
  case DictTabInfo::UndefTableType:
  case DictTabInfo::HashIndexTrigger:
  case DictTabInfo::SubscriptionTrigger:
  case DictTabInfo::ReadOnlyConstraint:
  case DictTabInfo::IndexTrigger:
    ndbrequire(false);
  case DictTabInfo::SystemTable:
  case DictTabInfo::UserTable:
  case DictTabInfo::UniqueHashIndex:
  case DictTabInfo::HashIndex:
  case DictTabInfo::UniqueOrderedIndex:
  case DictTabInfo::OrderedIndex:
    break;
  case DictTabInfo::Tablespace:
  case DictTabInfo::LogfileGroup:
  case DictTabInfo::Datafile:
  case DictTabInfo::Undofile:
    restartCreateObj(signal, tableId, old_entry, new_entry, file);
    return;
  }
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  CreateTableRecordPtr createTabPtr;  
  c_opCreateTable.seize(createTabPtr);
  ndbrequire(!createTabPtr.isNull());

  createTabPtr.p->key = ++c_opRecordSequence;
  c_opCreateTable.add(createTabPtr);
  
  createTabPtr.p->m_errorCode = 0;
  createTabPtr.p->m_tablePtrI = tableId;
  createTabPtr.p->m_coordinatorRef = reference();
  createTabPtr.p->m_senderRef = 0;
  createTabPtr.p->m_senderData = RNIL;
  createTabPtr.p->m_tabInfoPtrI = RNIL;
  createTabPtr.p->m_dihAddFragPtr = RNIL;

  if(file && !ERROR_INSERTED(6002)){
    jam();
    
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    c_readTableRecord.no_of_words = old_entry->m_info_words;
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    c_readTableRecord.pageId = 0;
    c_readTableRecord.m_callback.m_callbackData = createTabPtr.p->key;
    c_readTableRecord.m_callback.m_callbackFunction = 
      safe_cast(&Dbdict::restartCreateTab_readTableConf);
    
    startReadTableFile(signal, tableId);
    return;
  } else {
    
    ndbrequire(c_masterNodeId != getOwnNodeId());
    
    /**
     * Get from master
     */
    GetTabInfoReq * const req = (GetTabInfoReq *)&signal->theData[0];
    req->senderRef = reference();
    req->senderData = createTabPtr.p->key;
    req->requestType = GetTabInfoReq::RequestById |
      GetTabInfoReq::LongSignalConf;
    req->tableId = tableId;
    sendSignal(calcDictBlockRef(c_masterNodeId), GSN_GET_TABINFOREQ, signal,
	       GetTabInfoReq::SignalLength, JBB);

    if(ERROR_INSERTED(6002)){
      NdbSleep_MilliSleep(10);
      CRASH_INSERTION(6002);
    }
  }
}

void
Dbdict::restartCreateTab_readTableConf(Signal* signal, 
				       Uint32 callbackData,
				       Uint32 returnCode){
  jam();
  
  PageRecordPtr pageRecPtr;
  c_pageRecordArray.getPtr(pageRecPtr, c_readTableRecord.pageId);

  ParseDictTabInfoRecord parseRecord;
  parseRecord.requestType = DictTabInfo::GetTabInfoConf;
  parseRecord.errorCode = 0;
  
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  Uint32 sz = c_readTableRecord.no_of_words;
  SimplePropertiesLinearReader r(pageRecPtr.p->word+ZPAGE_HEADER_SIZE, sz);
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  handleTabInfoInit(r, &parseRecord);
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  if (parseRecord.errorCode != 0)
  {
    char buf[255];
    BaseString::snprintf(buf, sizeof(buf), 
			 "Unable to restart, fail while creating table %d"
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			 " error: %d. Most likely change of configuration",
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			 c_readTableRecord.tableId,
			 parseRecord.errorCode);
    progError(__LINE__, 
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	      NDBD_EXIT_INVALID_CONFIG,
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	      buf);
    ndbrequire(parseRecord.errorCode == 0);
  }
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  /* ---------------------------------------------------------------- */
  // We have read the table description from disk as part of system restart.
  // We will also write it back again to ensure that both copies are ok.
  /* ---------------------------------------------------------------- */
  ndbrequire(c_writeTableRecord.tableWriteState == WriteTableRecord::IDLE);
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  c_writeTableRecord.no_of_words = c_readTableRecord.no_of_words;
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  c_writeTableRecord.pageId = c_readTableRecord.pageId;
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  c_writeTableRecord.tableWriteState = WriteTableRecord::TWR_CALLBACK;
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  c_writeTableRecord.m_callback.m_callbackData = callbackData;
  c_writeTableRecord.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateTab_writeTableConf);
  startWriteTableFile(signal, c_readTableRecord.tableId);
}

void
Dbdict::execGET_TABINFO_CONF(Signal* signal){
  jamEntry();

  if(!assembleFragments(signal)){
    jam();
    return;
  }
  
  GetTabInfoConf * const conf = (GetTabInfoConf*)signal->getDataPtr();

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  switch(conf->tableType){
  case DictTabInfo::UndefTableType:
  case DictTabInfo::HashIndexTrigger:
  case DictTabInfo::SubscriptionTrigger:
  case DictTabInfo::ReadOnlyConstraint:
  case DictTabInfo::IndexTrigger:
    ndbrequire(false);
  case DictTabInfo::SystemTable:
  case DictTabInfo::UserTable:
  case DictTabInfo::UniqueHashIndex:
  case DictTabInfo::HashIndex:
  case DictTabInfo::UniqueOrderedIndex:
  case DictTabInfo::OrderedIndex:
    break;
  case DictTabInfo::Tablespace:
  case DictTabInfo::LogfileGroup:
  case DictTabInfo::Datafile:
  case DictTabInfo::Undofile:
    if(refToBlock(conf->senderRef) == TSMAN
       && (refToNode(conf->senderRef) == 0
	   || refToNode(conf->senderRef) == getOwnNodeId()))
    {
      jam();
      FilePtr fg_ptr;
      ndbrequire(c_file_hash.find(fg_ptr, conf->tableId));
      const Uint32 free_extents= conf->freeExtents;
      const Uint32 id= conf->tableId;
      const Uint32 type= conf->tableType;
      const Uint32 data= conf->senderData;
      signal->theData[0]= ZPACK_TABLE_INTO_PAGES;
      signal->theData[1]= id;
      signal->theData[2]= type;
      signal->theData[3]= data;
      signal->theData[4]= free_extents;
      sendSignal(reference(), GSN_CONTINUEB, signal, 5, JBB);
    }
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    else if(refToBlock(conf->senderRef) == LGMAN
	    && (refToNode(conf->senderRef) == 0
		|| refToNode(conf->senderRef) == getOwnNodeId()))
    {
      jam();
      FilegroupPtr fg_ptr;
      ndbrequire(c_filegroup_hash.find(fg_ptr, conf->tableId));
      const Uint32 free_hi= conf->freeWordsHi;
      const Uint32 free_lo= conf->freeWordsLo;
      const Uint32 id= conf->tableId;
      const Uint32 type= conf->tableType;
      const Uint32 data= conf->senderData;
      signal->theData[0]= ZPACK_TABLE_INTO_PAGES;
      signal->theData[1]= id;
      signal->theData[2]= type;
      signal->theData[3]= data;
      signal->theData[4]= free_hi;
      signal->theData[5]= free_lo;
      sendSignal(reference(), GSN_CONTINUEB, signal, 6, JBB);
    }
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    else
    {
      jam();
      restartCreateObj_getTabInfoConf(signal);
    }
    return;
  }
  
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  const Uint32 tableId = conf->tableId;
  const Uint32 senderData = conf->senderData;
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  SegmentedSectionPtr tabInfoPtr;
  signal->getSection(tabInfoPtr, GetTabInfoConf::DICT_TAB_INFO);
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  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, senderData));
  ndbrequire(!createTabPtr.isNull());
  ndbrequire(createTabPtr.p->m_tablePtrI == tableId);

  /**
   * Put data into table record
   */
  ParseDictTabInfoRecord parseRecord;
  parseRecord.requestType = DictTabInfo::GetTabInfoConf;
  parseRecord.errorCode = 0;
  
  SimplePropertiesSectionReader r(tabInfoPtr, getSectionSegmentPool());
  handleTabInfoInit(r, &parseRecord);
  ndbrequire(parseRecord.errorCode == 0);
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  ndbrequire(tableId < c_tableRecordPool.getSize());
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry * tableEntry = getTableEntry(xsf, tableId);
  tableEntry->m_info_words= tabInfoPtr.sz;
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  Callback callback;
  callback.m_callbackData = createTabPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateTab_writeTableConf);
  
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  signal->header.m_noOfSections = 0;
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  writeTableFile(signal, createTabPtr.p->m_tablePtrI, tabInfoPtr, &callback);
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  signal->setSection(tabInfoPtr, 0);
  releaseSections(signal);
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}

void
Dbdict::restartCreateTab_writeTableConf(Signal* signal, 
					Uint32 callbackData,
					Uint32 returnCode){
  jam();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));

  Callback callback;
  callback.m_callbackData = callbackData;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateTab_dihComplete);
  
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  SegmentedSectionPtr fragDataPtr; 
  fragDataPtr.sz = 0;
  fragDataPtr.setNull();
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  createTab_dih(signal, createTabPtr, fragDataPtr, &callback);
}

void
Dbdict::restartCreateTab_dihComplete(Signal* signal, 
				     Uint32 callbackData,
				     Uint32 returnCode){
  jam();
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));
  
  //@todo check error
  ndbrequire(createTabPtr.p->m_errorCode == 0);

  Callback callback;
  callback.m_callbackData = callbackData;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateTab_activateComplete);
  
  alterTab_activate(signal, createTabPtr, &callback);
}

void
Dbdict::restartCreateTab_activateComplete(Signal* signal, 
					  Uint32 callbackData,
					  Uint32 returnCode){
  jam();
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));

  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  tabPtr.p->tabState = TableRecord::DEFINED;
  
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  releaseCreateTableOp(signal,createTabPtr);
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  c_restartRecord.activeTable++;
  checkSchemaStatus(signal);
}

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void
Dbdict::releaseCreateTableOp(Signal* signal, CreateTableRecordPtr createTabPtr)
{
  if (createTabPtr.p->m_tabInfoPtrI != RNIL)
  {
    jam();
    SegmentedSectionPtr tabInfoPtr;
    getSection(tabInfoPtr, createTabPtr.p->m_tabInfoPtrI);
    signal->setSection(tabInfoPtr, 0);
    releaseSections(signal);
  }
  c_opCreateTable.release(createTabPtr);
}

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void
Dbdict::restartDropTab(Signal* signal, Uint32 tableId){

  const Uint32 key = ++c_opRecordSequence;

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.seize(dropTabPtr));
  
  dropTabPtr.p->key = key;
  c_opDropTable.add(dropTabPtr);
  
  dropTabPtr.p->m_errorCode = 0;
  dropTabPtr.p->m_request.tableId = tableId;
  dropTabPtr.p->m_coordinatorRef = 0;
  dropTabPtr.p->m_requestType = DropTabReq::RestartDropTab;
  dropTabPtr.p->m_participantData.m_gsn = GSN_DROP_TAB_REQ;

  dropTabPtr.p->m_participantData.m_block = 0;
  dropTabPtr.p->m_participantData.m_callback.m_callbackData = key;
  dropTabPtr.p->m_participantData.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartDropTab_complete);
  dropTab_nextStep(signal, dropTabPtr);  
}

void
Dbdict::restartDropTab_complete(Signal* signal, 
				Uint32 callbackData,
				Uint32 returnCode){
  jam();

  DropTableRecordPtr dropTabPtr;
  ndbrequire(c_opDropTable.find(dropTabPtr, callbackData));
  
  //@todo check error

  c_opDropTable.release(dropTabPtr);

  c_restartRecord.activeTable++;
  checkSchemaStatus(signal);
}

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void
Dbdict::restartCreateObj(Signal* signal, 
			 Uint32 tableId, 
			 const SchemaFile::TableEntry * old_entry,
			 const SchemaFile::TableEntry * new_entry,
			 bool file){
  jam();
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.seize(createObjPtr));
  
  const Uint32 key = ++c_opRecordSequence;
  createObjPtr.p->key = key;
  c_opCreateObj.add(createObjPtr);
  createObjPtr.p->m_errorCode = 0;
  createObjPtr.p->m_senderRef = reference();
  createObjPtr.p->m_senderData = tableId;
  createObjPtr.p->m_clientRef = reference();
  createObjPtr.p->m_clientData = tableId;
  
  createObjPtr.p->m_obj_id = tableId;
  createObjPtr.p->m_obj_type = new_entry->m_tableType;
  createObjPtr.p->m_obj_version = new_entry->m_tableVersion;

  createObjPtr.p->m_callback.m_callbackData = key;
  createObjPtr.p->m_callback.m_callbackFunction= 
    safe_cast(&Dbdict::restartCreateObj_prepare_start_done);
  
  createObjPtr.p->m_restart= file ? 1 : 2;
  switch(new_entry->m_tableType){
  case DictTabInfo::Tablespace:
  case DictTabInfo::LogfileGroup:
    createObjPtr.p->m_vt_index = 0;
    break;
  case DictTabInfo::Datafile:
  case DictTabInfo::Undofile:
    createObjPtr.p->m_vt_index = 1;
    break;
  default:
    ndbrequire(false);
  }
  
  createObjPtr.p->m_obj_info_ptr_i = RNIL;
  if(file)
  {
    c_readTableRecord.no_of_words = old_entry->m_info_words;
    c_readTableRecord.pageId = 0;
    c_readTableRecord.m_callback.m_callbackData = key;
    c_readTableRecord.m_callback.m_callbackFunction = 
      safe_cast(&Dbdict::restartCreateObj_readConf);
    
    startReadTableFile(signal, tableId);
  }
  else
  {
    /**
     * Get from master
     */
    GetTabInfoReq * const req = (GetTabInfoReq *)&signal->theData[0];
    req->senderRef = reference();
    req->senderData = key;
    req->requestType = GetTabInfoReq::RequestById |
      GetTabInfoReq::LongSignalConf;
    req->tableId = tableId;
    sendSignal(calcDictBlockRef(c_masterNodeId), GSN_GET_TABINFOREQ, signal,
	       GetTabInfoReq::SignalLength, JBB);
  }
}
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void
Dbdict::restartCreateObj_getTabInfoConf(Signal* signal)
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{
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  jam();

  GetTabInfoConf * const conf = (GetTabInfoConf*)signal->getDataPtr();

  const Uint32 objId = conf->tableId;
  const Uint32 senderData = conf->senderData;
  
  SegmentedSectionPtr objInfoPtr;
  signal->getSection(objInfoPtr, GetTabInfoConf::DICT_TAB_INFO);
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, senderData));
  ndbrequire(createObjPtr.p->m_obj_id == objId);
  
  createObjPtr.p->m_obj_info_ptr_i= objInfoPtr.i;
  signal->header.m_noOfSections = 0;
  
  (this->*f_dict_op[createObjPtr.p->m_vt_index].m_prepare_start)
    (signal, createObjPtr.p);
}

void
Dbdict::restartCreateObj_readConf(Signal* signal,
				  Uint32 callbackData, 
				  Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  ndbrequire(createObjPtr.p->m_errorCode == 0);

  PageRecordPtr pageRecPtr;
  c_pageRecordArray.getPtr(pageRecPtr, c_readTableRecord.pageId);
  
  Uint32 sz = c_readTableRecord.no_of_words;

  Ptr<SectionSegment> ptr;
  ndbrequire(import(ptr, pageRecPtr.p->word+ZPAGE_HEADER_SIZE, sz));
  createObjPtr.p->m_obj_info_ptr_i= ptr.i;  
  
  if (f_dict_op[createObjPtr.p->m_vt_index].m_prepare_start)
    (this->*f_dict_op[createObjPtr.p->m_vt_index].m_prepare_start)
      (signal, createObjPtr.p);
  else
    execute(signal, createObjPtr.p->m_callback, 0);
}

void
Dbdict::restartCreateObj_prepare_start_done(Signal* signal,
					    Uint32 callbackData, 
					    Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  ndbrequire(createObjPtr.p->m_errorCode == 0);

  Callback callback;
  callback.m_callbackData = callbackData;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateObj_write_complete);
  
  SegmentedSectionPtr objInfoPtr;
  getSection(objInfoPtr, createObjPtr.p->m_obj_info_ptr_i);

  writeTableFile(signal, createObjPtr.p->m_obj_id, objInfoPtr, &callback);
}

void
Dbdict::restartCreateObj_write_complete(Signal* signal,
					Uint32 callbackData, 
					Uint32 returnCode)
{
  ndbrequire(returnCode == 0);
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  ndbrequire(createObjPtr.p->m_errorCode == 0);
  
  SegmentedSectionPtr objInfoPtr;
  getSection(objInfoPtr, createObjPtr.p->m_obj_info_ptr_i);
  signal->setSection(objInfoPtr, 0);
  releaseSections(signal);
  createObjPtr.p->m_obj_info_ptr_i = RNIL;
  
  createObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateObj_prepare_complete_done);
  
  if (f_dict_op[createObjPtr.p->m_vt_index].m_prepare_complete)
    (this->*f_dict_op[createObjPtr.p->m_vt_index].m_prepare_complete)
      (signal, createObjPtr.p);
  else
    execute(signal, createObjPtr.p->m_callback, 0);
}

void
Dbdict::restartCreateObj_prepare_complete_done(Signal* signal,
					       Uint32 callbackData, 
					       Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  ndbrequire(createObjPtr.p->m_errorCode == 0);

  createObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateObj_commit_start_done);

  if (f_dict_op[createObjPtr.p->m_vt_index].m_commit_start)
    (this->*f_dict_op[createObjPtr.p->m_vt_index].m_commit_start)
      (signal, createObjPtr.p);
  else
    execute(signal, createObjPtr.p->m_callback, 0);
}

void
Dbdict::restartCreateObj_commit_start_done(Signal* signal,
					   Uint32 callbackData, 
					   Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  ndbrequire(createObjPtr.p->m_errorCode == 0);

  createObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::restartCreateObj_commit_complete_done);

  if (f_dict_op[createObjPtr.p->m_vt_index].m_commit_complete)
    (this->*f_dict_op[createObjPtr.p->m_vt_index].m_commit_complete)
      (signal, createObjPtr.p);
  else
    execute(signal, createObjPtr.p->m_callback, 0);
}  


void
Dbdict::restartCreateObj_commit_complete_done(Signal* signal,
					      Uint32 callbackData, 
					      Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  ndbrequire(createObjPtr.p->m_errorCode == 0);
  
  c_opCreateObj.release(createObjPtr);

  c_restartRecord.activeTable++;
  checkSchemaStatus(signal);
}

/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          NODE FAILURE HANDLING ------------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains the code that is used when nodes            */
/* (kernel/api) fails.                                              */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

/* ---------------------------------------------------------------- */
// We receive a report of an API that failed.
/* ---------------------------------------------------------------- */
void Dbdict::execAPI_FAILREQ(Signal* signal) 
{
  jamEntry();
  Uint32 failedApiNode = signal->theData[0];
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  BlockReference retRef = signal->theData[1];

#if 0
  Uint32 userNode = refToNode(c_connRecord.userBlockRef);
  if (userNode == failedApiNode) {
    jam();
    c_connRecord.userBlockRef = (Uint32)-1;
  }//if
#endif

  signal->theData[0] = failedApiNode;
  signal->theData[1] = reference();
  sendSignal(retRef, GSN_API_FAILCONF, signal, 2, JBB);
}//execAPI_FAILREQ()

/* ---------------------------------------------------------------- */
// We receive a report of one or more node failures of kernel nodes.
/* ---------------------------------------------------------------- */
void Dbdict::execNODE_FAILREP(Signal* signal) 
{
  jamEntry();
  NodeFailRep * const nodeFail = (NodeFailRep *)&signal->theData[0];

  c_failureNr    = nodeFail->failNo;
  const Uint32 numberOfFailedNodes  = nodeFail->noOfNodes;
  const bool masterFailed = (c_masterNodeId != nodeFail->masterNodeId);
  c_masterNodeId = nodeFail->masterNodeId;

  c_noNodesFailed += numberOfFailedNodes;
  Uint32 theFailedNodes[NodeBitmask::Size];
  memcpy(theFailedNodes, nodeFail->theNodes, sizeof(theFailedNodes));

  c_counterMgr.execNODE_FAILREP(signal);
  
  bool ok = false;
  switch(c_blockState){
  case BS_IDLE:
    jam();
    ok = true;
    if(c_opRecordPool.getSize() != c_opRecordPool.getNoOfFree()){
      jam();
      c_blockState = BS_NODE_FAILURE;
    }
    break;
  case BS_CREATE_TAB:
    jam();
    ok = true;
    if(!masterFailed)
      break;
    // fall through
  case BS_BUSY:
  case BS_NODE_FAILURE:
    jam();
    c_blockState = BS_NODE_FAILURE;
    ok = true;
    break;
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  case BS_NODE_RESTART:
    jam();
    ok = true;
    break;
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  }
  ndbrequire(ok);
  
  for(unsigned i = 1; i < MAX_NDB_NODES; i++) {
    jam();
    if(NodeBitmask::get(theFailedNodes, i)) {
      jam();
      NodeRecordPtr nodePtr;
      c_nodes.getPtr(nodePtr, i);

      nodePtr.p->nodeState = NodeRecord::NDB_NODE_DEAD;
      NFCompleteRep * const nfCompRep = (NFCompleteRep *)&signal->theData[0];
      nfCompRep->blockNo      = DBDICT;
      nfCompRep->nodeId       = getOwnNodeId();
      nfCompRep->failedNodeId = nodePtr.i;
      sendSignal(DBDIH_REF, GSN_NF_COMPLETEREP, signal, 
		 NFCompleteRep::SignalLength, JBB);
      
      c_aliveNodes.clear(i);
    }//if
  }//for

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  /*
   * NODE_FAILREP guarantees that no "in flight" signal from
   * a dead node is accepted, and also that the job buffer contains
   * no such (un-executed) signals.  Therefore no DICT_UNLOCK_ORD
   * from a dead node (leading to master crash) is possible after
   * this clean-up removes the lock record.
   */
  removeStaleDictLocks(signal, theFailedNodes);

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}//execNODE_FAILREP()


/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          NODE START HANDLING --------------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains the code that is used when kernel nodes     */
/* starts.                                                          */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

/* ---------------------------------------------------------------- */
// Include a starting node in list of nodes to be part of adding
// and dropping tables.
/* ---------------------------------------------------------------- */
void Dbdict::execINCL_NODEREQ(Signal* signal) 
{
  jamEntry();
  NodeRecordPtr nodePtr;
  BlockReference retRef = signal->theData[0];
  nodePtr.i = signal->theData[1];

  ndbrequire(c_noNodesFailed > 0);
  c_noNodesFailed--;

  c_nodes.getPtr(nodePtr);
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  ndbrequire(nodePtr.p->nodeState == NodeRecord::NDB_NODE_DEAD);
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  nodePtr.p->nodeState = NodeRecord::NDB_NODE_ALIVE;
  signal->theData[0] = reference();
  sendSignal(retRef, GSN_INCL_NODECONF, signal, 1, JBB);

  c_aliveNodes.set(nodePtr.i);
}//execINCL_NODEREQ()

/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          ADD TABLE HANDLING ---------------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains the code that is used when adding a table.  */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

/* ---------------------------------------------------------------- */
// This signal receives information about a table from either:
// API, Ndbcntr or from other DICT.
/* ---------------------------------------------------------------- */
void
Dbdict::execCREATE_TABLE_REQ(Signal* signal){
  jamEntry();
  if(!assembleFragments(signal)){
    return;
  }
  
  CreateTableReq* const req = (CreateTableReq*)signal->getDataPtr();
  const Uint32 senderRef = req->senderRef;
  const Uint32 senderData = req->senderData;
  
  ParseDictTabInfoRecord parseRecord;
  do {
    if(getOwnNodeId() != c_masterNodeId){
      jam();
      parseRecord.errorCode = CreateTableRef::NotMaster;
      break;
    }
    
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    if (c_blockState == BS_NODE_RESTART){
      jam();
      parseRecord.errorCode = CreateTableRef::BusyWithNR;
      break;
    }
    
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    if (c_blockState != BS_IDLE){
      jam();
      parseRecord.errorCode = CreateTableRef::Busy;
      break;
    }

    CreateTableRecordPtr createTabPtr;
    c_opCreateTable.seize(createTabPtr);
    
    if(createTabPtr.isNull()){
      jam();
      parseRecord.errorCode = CreateTableRef::Busy;
      break;
    }
    
    parseRecord.requestType = DictTabInfo::CreateTableFromAPI;
    parseRecord.errorCode = 0;
    
    SegmentedSectionPtr ptr;
    signal->getSection(ptr, CreateTableReq::DICT_TAB_INFO);
    SimplePropertiesSectionReader r(ptr, getSectionSegmentPool());
    
    handleTabInfoInit(r, &parseRecord);
    releaseSections(signal);
    
    if(parseRecord.errorCode != 0){
      jam();
      c_opCreateTable.release(createTabPtr);
      break;
    }
    
    createTabPtr.p->m_errorCode = 0;
    createTabPtr.p->m_senderRef = senderRef;
    createTabPtr.p->m_senderData = senderData;
    createTabPtr.p->m_tablePtrI = parseRecord.tablePtr.i;
    createTabPtr.p->m_coordinatorRef = reference();
    createTabPtr.p->m_fragmentsPtrI = RNIL;
    createTabPtr.p->m_dihAddFragPtr = RNIL;

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    Uint32 key = c_opRecordSequence + 1;
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    Uint32 *theData = signal->getDataPtrSend(), i;
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    Uint16 *frag_data= (Uint16*)&signal->theData[25];
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    CreateFragmentationReq * const req = (CreateFragmentationReq*)theData;
    req->senderRef = reference();
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    req->senderData = key;
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    req->primaryTableId = parseRecord.tablePtr.p->primaryTableId;
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    req->noOfFragments = parseRecord.tablePtr.p->fragmentCount;
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    req->fragmentationType = parseRecord.tablePtr.p->fragmentType;
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    MEMCOPY_NO_WORDS(frag_data, c_fragData, c_fragDataLen);

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    if (parseRecord.tablePtr.p->isOrderedIndex()) {
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      jam();
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      // ordered index has same fragmentation as the table
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      req->primaryTableId = parseRecord.tablePtr.p->primaryTableId;
      req->fragmentationType = DictTabInfo::DistrKeyOrderedIndex;
    }
    else if (parseRecord.tablePtr.p->isHashIndex())
    {
      jam();
      /*
        Unique hash indexes has same amount of fragments as primary table
        and distributed in the same manner but has always a normal hash
        fragmentation.
      */
      req->primaryTableId = parseRecord.tablePtr.p->primaryTableId;
      req->fragmentationType = DictTabInfo::DistrKeyUniqueHashIndex;
    }
    else
    {
      jam();
      /*
        Blob tables come here with primaryTableId != RNIL but we only need
        it for creating the fragments so we set it to RNIL now that we got
        what we wanted from it to avoid other side effects.
      */
      parseRecord.tablePtr.p->primaryTableId = RNIL;
    }
    EXECUTE_DIRECT(DBDIH, GSN_CREATE_FRAGMENTATION_REQ, signal,
		   CreateFragmentationReq::SignalLength);
    jamEntry();
    if (signal->theData[0] != 0)
    {
      jam();
      parseRecord.errorCode= signal->theData[0];
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      c_opCreateTable.release(createTabPtr);
      releaseTableObject(parseRecord.tablePtr.i, true);
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      break;
    }
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    createTabPtr.p->key = key;
    c_opRecordSequence++;
    c_opCreateTable.add(createTabPtr);
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    c_blockState = BS_CREATE_TAB;
    return;
  } while(0);
  
  /**
   * Something went wrong
   */

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  releaseSections(signal);
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  CreateTableRef * ref = (CreateTableRef*)signal->getDataPtrSend();
  ref->senderData = senderData;
  ref->senderRef = reference();
  ref->masterNodeId = c_masterNodeId;
  ref->errorCode = parseRecord.errorCode;
  ref->errorLine = parseRecord.errorLine;
  ref->errorKey = parseRecord.errorKey;
  ref->status = parseRecord.status;
  sendSignal(senderRef, GSN_CREATE_TABLE_REF, signal, 
	     CreateTableRef::SignalLength, JBB);
}

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void
Dbdict::execBACKUP_FRAGMENT_REQ(Signal* signal)
{
  jamEntry();
  Uint32 tableId = signal->theData[0];
  Uint32 lock = signal->theData[1];

  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, tableId, true);

  if(lock)
  {
    ndbrequire(tablePtr.p->tabState == TableRecord::DEFINED);
    tablePtr.p->tabState = TableRecord::BACKUP_ONGOING;
  }
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  else if(tablePtr.p->tabState == TableRecord::BACKUP_ONGOING)
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  {
    tablePtr.p->tabState = TableRecord::DEFINED;
  }
}

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bool
Dbdict::check_ndb_versions() const
{
  Uint32 node = 0;
  Uint32 version = getNodeInfo(getOwnNodeId()).m_version;
  while((node = c_aliveNodes.find(node + 1)) != BitmaskImpl::NotFound)
  {
    if(getNodeInfo(node).m_version != version)
    {
      return false;
    }
  }
  return true;
}

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void
Dbdict::execALTER_TABLE_REQ(Signal* signal)
{
  // Received by master
  jamEntry();
  if(!assembleFragments(signal)){
    return;
  }
  AlterTableReq* const req = (AlterTableReq*)signal->getDataPtr();
  const Uint32 senderRef = req->senderRef;
  const Uint32 senderData = req->senderData;
  const Uint32 changeMask = req->changeMask;
  const Uint32 tableId = req->tableId;
  const Uint32 tableVersion = req->tableVersion;
  ParseDictTabInfoRecord* aParseRecord;
  
  // Get table definition
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, tableId, false);
  if(tablePtr.isNull()){
    jam();
    alterTableRef(signal, req, AlterTableRef::NoSuchTable);
    return;
  }
  
  if(getOwnNodeId() != c_masterNodeId){
    jam();
    alterTableRef(signal, req, AlterTableRef::NotMaster);
    return;
  }
  
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  if(c_blockState == BS_NODE_RESTART){
    jam();
    alterTableRef(signal, req, AlterTableRef::BusyWithNR);
    return;
  }
  
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  if(c_blockState != BS_IDLE){
    jam();
    alterTableRef(signal, req, AlterTableRef::Busy);
    return;
  }
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  if (!check_ndb_versions())
  {
    jam();
    alterTableRef(signal, req, AlterTableRef::IncompatibleVersions);
    return;
  }
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  const TableRecord::TabState tabState = tablePtr.p->tabState;
  bool ok = false;
  switch(tabState){
  case TableRecord::NOT_DEFINED:
  case TableRecord::REORG_TABLE_PREPARED:
  case TableRecord::DEFINING:
  case TableRecord::CHECKED:
    jam();
    alterTableRef(signal, req, AlterTableRef::NoSuchTable);
    return;
  case TableRecord::DEFINED:
    ok = true;
    jam();
    break;
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  case TableRecord::BACKUP_ONGOING:
    jam();
    alterTableRef(signal, req, AlterTableRef::BackupInProgress);
    return;
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  case TableRecord::PREPARE_DROPPING:
  case TableRecord::DROPPING:
    jam();
    alterTableRef(signal, req, AlterTableRef::DropInProgress);
    return;
  }
  ndbrequire(ok);

  if(tablePtr.p->tableVersion != tableVersion){
    jam();
    alterTableRef(signal, req, AlterTableRef::InvalidTableVersion);
    return;
  }
  // Parse new table defintion
  ParseDictTabInfoRecord parseRecord;
  aParseRecord = &parseRecord;
    
  CreateTableRecordPtr alterTabPtr; // Reuse create table records
  c_opCreateTable.seize(alterTabPtr);
  
  if(alterTabPtr.isNull()){
    jam();
    alterTableRef(signal, req, AlterTableRef::Busy);
    return;
  }

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  alterTabPtr.p->m_changeMask = changeMask;
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  parseRecord.requestType = DictTabInfo::AlterTableFromAPI;
  parseRecord.errorCode = 0;
  
  SegmentedSectionPtr ptr;
  signal->getSection(ptr, AlterTableReq::DICT_TAB_INFO);
  SimplePropertiesSectionReader r(ptr, getSectionSegmentPool());

  handleTabInfoInit(r, &parseRecord, false); // Will not save info
  
  if(parseRecord.errorCode != 0){
    jam();
    c_opCreateTable.release(alterTabPtr);
    alterTableRef(signal, req, 
		  (AlterTableRef::ErrorCode) parseRecord.errorCode, 
		  aParseRecord);
    return;
  }
  
  releaseSections(signal);
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  alterTabPtr.p->key = ++c_opRecordSequence;
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  c_opCreateTable.add(alterTabPtr);
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  ndbrequire(c_opCreateTable.find(alterTabPtr, alterTabPtr.p->key));
  alterTabPtr.p->m_errorCode = 0;
  alterTabPtr.p->m_senderRef = senderRef;
  alterTabPtr.p->m_senderData = senderData;
  alterTabPtr.p->m_tablePtrI = parseRecord.tablePtr.i;
  alterTabPtr.p->m_alterTableFailed = false;
  alterTabPtr.p->m_coordinatorRef = reference();
  alterTabPtr.p->m_fragmentsPtrI = RNIL;
  alterTabPtr.p->m_dihAddFragPtr = RNIL;
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  alterTabPtr.p->m_alterTableId = tablePtr.p->tableId;
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  // Send prepare request to all alive nodes
  SimplePropertiesSectionWriter w(getSectionSegmentPool());
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  packTableIntoPages(w, parseRecord.tablePtr);
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  SegmentedSectionPtr tabInfoPtr;
  w.getPtr(tabInfoPtr);
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  alterTabPtr.p->m_tabInfoPtrI = tabInfoPtr.i;

  // Alter table on all nodes
  c_blockState = BS_BUSY;

  Mutex mutex(signal, c_mutexMgr, alterTabPtr.p->m_startLcpMutex);
  Callback c = { safe_cast(&Dbdict::alterTable_backup_mutex_locked),
		 alterTabPtr.p->key };
  
  ndbrequire(mutex.lock(c));
}

void
Dbdict::alterTable_backup_mutex_locked(Signal* signal,
				       Uint32 callbackData,
				       Uint32 retValue)
{
  jamEntry();
  
  ndbrequire(retValue == 0);
  
  CreateTableRecordPtr alterTabPtr;
  ndbrequire(c_opCreateTable.find(alterTabPtr, callbackData));

  TableRecordPtr tablePtr;
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  c_tableRecordPool.getPtr(tablePtr, alterTabPtr.p->m_alterTableId, true);
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  Mutex mutex(signal, c_mutexMgr, alterTabPtr.p->m_startLcpMutex);
  mutex.unlock(); // ignore response

  SegmentedSectionPtr tabInfoPtr;
  getSection(tabInfoPtr, alterTabPtr.p->m_tabInfoPtrI);
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  signal->setSection(tabInfoPtr, AlterTabReq::DICT_TAB_INFO);
  
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  alterTabPtr.p->m_tabInfoPtrI = RNIL;
  
  if(tablePtr.p->tabState == TableRecord::BACKUP_ONGOING)
  {
    jam();
    AlterTableReq* req = (AlterTableReq*)signal->getDataPtr();
    req->senderData = alterTabPtr.p->m_senderData;
    req->senderRef = alterTabPtr.p->m_senderRef;
    alterTableRef(signal, req, AlterTableRef::BackupInProgress);
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    c_tableRecordPool.getPtr(tablePtr, alterTabPtr.p->m_tablePtrI);  
    releaseTableObject(tablePtr.i, false);

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    c_opCreateTable.release(alterTabPtr);
    c_blockState = BS_IDLE;
    return;
  }
  
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  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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  alterTabPtr.p->m_coordinatorData.m_gsn = GSN_ALTER_TAB_REQ;
  SafeCounter safeCounter(c_counterMgr, 
			  alterTabPtr.p->m_coordinatorData.m_counter);
  safeCounter.init<AlterTabRef>(rg, alterTabPtr.p->key);
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  AlterTabReq * const lreq = (AlterTabReq*)signal->getDataPtrSend();
  lreq->senderRef = reference();
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  lreq->senderData = alterTabPtr.p->key;
  lreq->clientRef = alterTabPtr.p->m_senderRef;
  lreq->clientData = alterTabPtr.p->m_senderData;
  lreq->changeMask = alterTabPtr.p->m_changeMask;
  lreq->tableId = tablePtr.p->tableId;
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  lreq->tableVersion = alter_obj_inc_schema_version(tablePtr.p->tableVersion);
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  lreq->gci = tablePtr.p->gciTableCreated;
  lreq->requestType = AlterTabReq::AlterTablePrepare;
  
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  sendFragmentedSignal(rg, GSN_ALTER_TAB_REQ, signal, 
		       AlterTabReq::SignalLength, JBB);
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}

void Dbdict::alterTableRef(Signal * signal, 
			   AlterTableReq * req, 
			   AlterTableRef::ErrorCode errCode,
			   ParseDictTabInfoRecord* parseRecord)
{
  jam();
  releaseSections(signal);
  AlterTableRef * ref = (AlterTableRef*)signal->getDataPtrSend();
  Uint32 senderRef = req->senderRef;
  ref->senderData = req->senderData;
  ref->senderRef = reference();
  ref->masterNodeId = c_masterNodeId;
  if (parseRecord) {
    ref->errorCode = parseRecord->errorCode;
    ref->errorLine = parseRecord->errorLine;
    ref->errorKey = parseRecord->errorKey;
    ref->status = parseRecord->status;
  }
  else {
    ref->errorCode = errCode;
    ref->errorLine = 0;
    ref->errorKey = 0;
    ref->status = 0;
  }
  sendSignal(senderRef, GSN_ALTER_TABLE_REF, signal, 
	     AlterTableRef::SignalLength, JBB);
}

void
Dbdict::execALTER_TAB_REQ(Signal * signal) 
{
  // Received in all nodes to handle change locally
  jamEntry();

  if(!assembleFragments(signal)){
    return;
  }
  AlterTabReq* const req = (AlterTabReq*)signal->getDataPtr();
  const Uint32 senderRef = req->senderRef;
  const Uint32 senderData = req->senderData;
  const Uint32 changeMask = req->changeMask;
  const Uint32 tableId = req->tableId;
  const Uint32 tableVersion = req->tableVersion;
  const Uint32 gci = req->gci;
  AlterTabReq::RequestType requestType = 
    (AlterTabReq::RequestType) req->requestType;

  SegmentedSectionPtr tabInfoPtr;
  signal->getSection(tabInfoPtr, AlterTabReq::DICT_TAB_INFO);

  CreateTableRecordPtr alterTabPtr; // Reuse create table records

  if (senderRef != reference()) {
    jam();
    c_blockState = BS_BUSY;
  }
  if ((requestType == AlterTabReq::AlterTablePrepare)
      && (senderRef != reference())) {
    jam();
    c_opCreateTable.seize(alterTabPtr);
    if(!alterTabPtr.isNull())
      alterTabPtr.p->m_changeMask = changeMask;
  }
  else {
    jam();
    ndbrequire(c_opCreateTable.find(alterTabPtr, senderData));
  }
  if(alterTabPtr.isNull()){
    jam();
    alterTabRef(signal, req, AlterTableRef::Busy);
    return;
  }
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  if (!check_ndb_versions())
  {
    jam();
    alterTabRef(signal, req, AlterTableRef::IncompatibleVersions);
    return;
  }

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  alterTabPtr.p->m_alterTableId = tableId;
  alterTabPtr.p->m_coordinatorRef = senderRef;
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  // Get table definition
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, tableId, false);
  if(tablePtr.isNull()){
    jam();
    alterTabRef(signal, req, AlterTableRef::NoSuchTable);
    return;
  }
    
  switch(requestType) {
  case(AlterTabReq::AlterTablePrepare): {
    ParseDictTabInfoRecord* aParseRecord;
  
    const TableRecord::TabState tabState = tablePtr.p->tabState;
    bool ok = false;
    switch(tabState){
    case TableRecord::NOT_DEFINED:
    case TableRecord::REORG_TABLE_PREPARED:
    case TableRecord::DEFINING:
    case TableRecord::CHECKED:
      jam();
      alterTabRef(signal, req, AlterTableRef::NoSuchTable);
      return;
    case TableRecord::DEFINED:
      ok = true;
      jam();
      break;
    case TableRecord::PREPARE_DROPPING:
    case TableRecord::DROPPING:
      jam();
      alterTabRef(signal, req, AlterTableRef::DropInProgress);
      return;
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    case TableRecord::BACKUP_ONGOING:
      jam();
      alterTabRef(signal, req, AlterTableRef::BackupInProgress);
      return;
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    }
    ndbrequire(ok);

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    if(alter_obj_inc_schema_version(tablePtr.p->tableVersion) != tableVersion){
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      jam();
      alterTabRef(signal, req, AlterTableRef::InvalidTableVersion);
      return;
    }
    TableRecordPtr newTablePtr;
    if (senderRef  != reference()) {
      jam();
      // Parse altered table defintion
      ParseDictTabInfoRecord parseRecord;
      aParseRecord = &parseRecord;
      
      parseRecord.requestType = DictTabInfo::AlterTableFromAPI;
      parseRecord.errorCode = 0;
      
      SimplePropertiesSectionReader r(tabInfoPtr, getSectionSegmentPool());
      
      handleTabInfoInit(r, &parseRecord, false); // Will not save info
      
      if(parseRecord.errorCode != 0){
	jam();
	c_opCreateTable.release(alterTabPtr);
	alterTabRef(signal, req, 
		    (AlterTableRef::ErrorCode) parseRecord.errorCode, 
		    aParseRecord);
	return;
      }
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      alterTabPtr.p->key = senderData;
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      c_opCreateTable.add(alterTabPtr);
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      alterTabPtr.p->m_errorCode = 0;
      alterTabPtr.p->m_senderRef = senderRef;
      alterTabPtr.p->m_senderData = senderData;
      alterTabPtr.p->m_tablePtrI = parseRecord.tablePtr.i;
      alterTabPtr.p->m_fragmentsPtrI = RNIL;
      alterTabPtr.p->m_dihAddFragPtr = RNIL;
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      newTablePtr = parseRecord.tablePtr;
      newTablePtr.p->tableVersion = tableVersion;
    }
    else { // (req->senderRef  == reference())
      jam();
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      c_tableRecordPool.getPtr(newTablePtr, alterTabPtr.p->m_tablePtrI);
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      newTablePtr.p->tableVersion = tableVersion;
    }
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    if (handleAlterTab(req, alterTabPtr.p, tablePtr, newTablePtr) == -1) {
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      jam();
      c_opCreateTable.release(alterTabPtr);
      alterTabRef(signal, req, AlterTableRef::UnsupportedChange);
      return;
    }
    releaseSections(signal);
    // Propagate alter table to other local blocks
    AlterTabReq * req = (AlterTabReq*)signal->getDataPtrSend();
    req->senderRef = reference();
    req->senderData = senderData;
    req->changeMask = changeMask;
    req->tableId = tableId;
    req->tableVersion = tableVersion;
    req->gci = gci;
    req->requestType = requestType;
    sendSignal(DBLQH_REF, GSN_ALTER_TAB_REQ, signal, 
	       AlterTabReq::SignalLength, JBB);	
    return;
  }
  case(AlterTabReq::AlterTableCommit): {
    jam();
    // Write schema for altered table to disk
    SegmentedSectionPtr tabInfoPtr;
    signal->getSection(tabInfoPtr, AlterTabReq::DICT_TAB_INFO);
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    alterTabPtr.p->m_tabInfoPtrI = tabInfoPtr.i;
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    signal->header.m_noOfSections = 0;

    // Update table record
    tablePtr.p->packedSize = tabInfoPtr.sz;
    tablePtr.p->tableVersion = tableVersion;
    tablePtr.p->gciTableCreated = gci;

    SchemaFile::TableEntry tabEntry;
    tabEntry.m_tableVersion = tableVersion;
    tabEntry.m_tableType    = tablePtr.p->tableType;
    tabEntry.m_tableState   = SchemaFile::ALTER_TABLE_COMMITTED;
    tabEntry.m_gcp          = gci;
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    tabEntry.m_info_words   = tabInfoPtr.sz;
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    memset(tabEntry.m_unused, 0, sizeof(tabEntry.m_unused));
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    Callback callback;
    callback.m_callbackData = senderData;
    callback.m_callbackFunction = 
      safe_cast(&Dbdict::alterTab_writeSchemaConf);
    
    updateSchemaState(signal, tableId, &tabEntry, &callback);
    break;
  }
  case(AlterTabReq::AlterTableRevert): {
    jam();
    // Revert failed alter table
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    revertAlterTable(signal, changeMask, tableId, alterTabPtr.p);
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    // Acknowledge the reverted alter table
    AlterTabConf * conf = (AlterTabConf*)signal->getDataPtrSend();
    conf->senderRef = reference();
    conf->senderData = senderData;
    conf->changeMask = changeMask;
    conf->tableId = tableId;
    conf->tableVersion = tableVersion;
    conf->gci = gci;
    conf->requestType = requestType;
    sendSignal(senderRef, GSN_ALTER_TAB_CONF, signal, 
	       AlterTabConf::SignalLength, JBB);
    break;
  }
  default: ndbrequire(false);
  }
}

void Dbdict::alterTabRef(Signal * signal, 
			 AlterTabReq * req, 
			 AlterTableRef::ErrorCode errCode,
			 ParseDictTabInfoRecord* parseRecord)
{
  jam();
  releaseSections(signal);
  AlterTabRef * ref = (AlterTabRef*)signal->getDataPtrSend();
  Uint32 senderRef = req->senderRef;
  ref->senderData = req->senderData;
  ref->senderRef = reference();
  if (parseRecord) {
    jam();
    ref->errorCode = parseRecord->errorCode;
    ref->errorLine = parseRecord->errorLine;
    ref->errorKey = parseRecord->errorKey;
    ref->errorStatus = parseRecord->status;
  }
  else {
    jam();
    ref->errorCode = errCode;
    ref->errorLine = 0;
    ref->errorKey = 0;
    ref->errorStatus = 0;
  }
  sendSignal(senderRef, GSN_ALTER_TAB_REF, signal, 
	     AlterTabRef::SignalLength, JBB);
  
  c_blockState = BS_IDLE;
}

void Dbdict::execALTER_TAB_REF(Signal * signal){
  jamEntry();

  AlterTabRef * ref = (AlterTabRef*)signal->getDataPtr();

  Uint32 senderRef = ref->senderRef;
  Uint32 senderData = ref->senderData;
  Uint32 errorCode = ref->errorCode;
  Uint32 errorLine = ref->errorLine;
  Uint32 errorKey = ref->errorKey;
  Uint32 errorStatus = ref->errorStatus;
  AlterTabReq::RequestType requestType = 
    (AlterTabReq::RequestType) ref->requestType;
  CreateTableRecordPtr alterTabPtr;  
  ndbrequire(c_opCreateTable.find(alterTabPtr, senderData));
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  Uint32 changeMask = alterTabPtr.p->m_changeMask;
  SafeCounter safeCounter(c_counterMgr, alterTabPtr.p->m_coordinatorData.m_counter);
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  safeCounter.clearWaitingFor(refToNode(senderRef));
  switch (requestType) {
  case(AlterTabReq::AlterTablePrepare): {
    if (safeCounter.done()) {
      jam();
      // Send revert request to all alive nodes
      TableRecordPtr tablePtr;
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      c_tableRecordPool.getPtr(tablePtr, alterTabPtr.p->m_alterTableId);
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      Uint32 tableId = tablePtr.p->tableId;
      Uint32 tableVersion = tablePtr.p->tableVersion;
      Uint32 gci = tablePtr.p->gciTableCreated;
      SimplePropertiesSectionWriter w(getSectionSegmentPool());
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      packTableIntoPages(w, tablePtr);
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      SegmentedSectionPtr spDataPtr;
      w.getPtr(spDataPtr);
      signal->setSection(spDataPtr, AlterTabReq::DICT_TAB_INFO);
      
      NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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      alterTabPtr.p->m_coordinatorData.m_gsn = GSN_ALTER_TAB_REQ;
      safeCounter.init<AlterTabRef>(rg, alterTabPtr.p->key);
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      AlterTabReq * const lreq = (AlterTabReq*)signal->getDataPtrSend();
      lreq->senderRef = reference();
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      lreq->senderData = alterTabPtr.p->key;
      lreq->clientRef = alterTabPtr.p->m_senderRef;
      lreq->clientData = alterTabPtr.p->m_senderData;
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      lreq->changeMask = changeMask;
      lreq->tableId = tableId;
      lreq->tableVersion = tableVersion;
      lreq->gci = gci;
      lreq->requestType = AlterTabReq::AlterTableRevert;
      
      sendSignal(rg, GSN_ALTER_TAB_REQ, signal, 
		 AlterTabReq::SignalLength, JBB);
    }
    else {
      jam();
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      alterTabPtr.p->m_alterTableFailed = true;
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    }
    break;
  }
  case(AlterTabReq::AlterTableCommit):
    jam();
  case(AlterTabReq::AlterTableRevert): {
    AlterTableRef * apiRef = (AlterTableRef*)signal->getDataPtrSend();
    
    apiRef->senderData = senderData;
    apiRef->senderRef = reference();
    apiRef->masterNodeId = c_masterNodeId;
    apiRef->errorCode = errorCode;
    apiRef->errorLine = errorLine;
    apiRef->errorKey = errorKey;
    apiRef->status = errorStatus;
    if (safeCounter.done()) {
      jam();
      sendSignal(senderRef, GSN_ALTER_TABLE_REF, signal, 
		 AlterTableRef::SignalLength, JBB);
      c_blockState = BS_IDLE;
    }
    else {
      jam();
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      alterTabPtr.p->m_alterTableFailed = true;
      alterTabPtr.p->m_alterTableRef = *apiRef;
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    }
    break;
  } 
  default: ndbrequire(false);
  }
}

void
Dbdict::execALTER_TAB_CONF(Signal * signal){
  jamEntry();
  AlterTabConf * const conf = (AlterTabConf*)signal->getDataPtr();
  Uint32 senderRef = conf->senderRef;
  Uint32 senderData = conf->senderData;
  Uint32 changeMask = conf->changeMask;
  Uint32 tableId = conf->tableId;
  Uint32 tableVersion = conf->tableVersion;
  Uint32 gci = conf->gci;
  AlterTabReq::RequestType requestType = 
    (AlterTabReq::RequestType) conf->requestType;
  CreateTableRecordPtr alterTabPtr;  
  ndbrequire(c_opCreateTable.find(alterTabPtr, senderData));

  switch (requestType) {
  case(AlterTabReq::AlterTablePrepare): {
    switch(refToBlock(signal->getSendersBlockRef())) {
    case DBLQH: {
      jam();
      AlterTabReq * req = (AlterTabReq*)signal->getDataPtrSend();
      req->senderRef = reference();
      req->senderData = senderData;
      req->changeMask = changeMask;
      req->tableId = tableId;
      req->tableVersion = tableVersion;
      req->gci = gci;
      req->requestType = requestType;
      sendSignal(DBDIH_REF, GSN_ALTER_TAB_REQ, signal, 
		 AlterTabReq::SignalLength, JBB);	
      return;
    }
    case DBDIH: {
      jam();
      AlterTabReq * req = (AlterTabReq*)signal->getDataPtrSend();
      req->senderRef = reference();
      req->senderData = senderData;
      req->changeMask = changeMask;
      req->tableId = tableId;
      req->tableVersion = tableVersion;
      req->gci = gci;
      req->requestType = requestType;
      sendSignal(DBTC_REF, GSN_ALTER_TAB_REQ, signal, 
		 AlterTabReq::SignalLength, JBB);	
      return;
    }
    case DBTC: {
      jam();
      // Participant is done with prepare phase, send conf to coordinator
      AlterTabConf * conf = (AlterTabConf*)signal->getDataPtrSend();
      conf->senderRef = reference();
      conf->senderData = senderData;
      conf->changeMask = changeMask;
      conf->tableId = tableId;
      conf->tableVersion = tableVersion;
      conf->gci = gci;
      conf->requestType = requestType;
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      sendSignal(alterTabPtr.p->m_coordinatorRef, GSN_ALTER_TAB_CONF, signal, 
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		 AlterTabConf::SignalLength, JBB);
      return;
    }
    default :break;
    }
    // Coordinator only
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    SafeCounter safeCounter(c_counterMgr, alterTabPtr.p->m_coordinatorData.m_counter);
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    safeCounter.clearWaitingFor(refToNode(senderRef));
    if (safeCounter.done()) {
      jam();
      // We have received all local confirmations
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      if (alterTabPtr.p->m_alterTableFailed) {
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	jam();
	// Send revert request to all alive nodes
	TableRecordPtr tablePtr;
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	c_tableRecordPool.getPtr(tablePtr, alterTabPtr.p->m_alterTableId);
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	Uint32 tableId = tablePtr.p->tableId;
	Uint32 tableVersion = tablePtr.p->tableVersion;
	Uint32 gci = tablePtr.p->gciTableCreated;
	SimplePropertiesSectionWriter w(getSectionSegmentPool());
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	packTableIntoPages(w, tablePtr);
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	SegmentedSectionPtr spDataPtr;
	w.getPtr(spDataPtr);
	signal->setSection(spDataPtr, AlterTabReq::DICT_TAB_INFO);
	
	NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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	alterTabPtr.p->m_coordinatorData.m_gsn = GSN_ALTER_TAB_REQ;
	safeCounter.init<AlterTabRef>(rg, alterTabPtr.p->key);
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	AlterTabReq * const lreq = (AlterTabReq*)signal->getDataPtrSend();
	lreq->senderRef = reference();
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	lreq->senderData = alterTabPtr.p->key;
	lreq->clientRef = alterTabPtr.p->m_senderRef;
	lreq->clientData = alterTabPtr.p->m_senderData;
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	lreq->changeMask = changeMask;
	lreq->tableId = tableId;
	lreq->tableVersion = tableVersion;
	lreq->gci = gci;
	lreq->requestType = AlterTabReq::AlterTableRevert;
	
	sendSignal(rg, GSN_ALTER_TAB_REQ, signal, 
		   AlterTabReq::SignalLength, JBB);
      }
      else {
	jam();
	// Send commit request to all alive nodes
	TableRecordPtr tablePtr;
	c_tableRecordPool.getPtr(tablePtr, tableId);
	SimplePropertiesSectionWriter w(getSectionSegmentPool());
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	packTableIntoPages(w, tablePtr);
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	SegmentedSectionPtr spDataPtr;
	w.getPtr(spDataPtr);
	signal->setSection(spDataPtr, AlterTabReq::DICT_TAB_INFO);
	
	NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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	alterTabPtr.p->m_coordinatorData.m_gsn = GSN_ALTER_TAB_REQ;
	safeCounter.init<AlterTabRef>(rg, alterTabPtr.p->key);
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	AlterTabReq * const lreq = (AlterTabReq*)signal->getDataPtrSend();
	lreq->senderRef = reference();
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	lreq->senderData = alterTabPtr.p->key;
	lreq->clientRef = alterTabPtr.p->m_senderRef;
	lreq->clientData = alterTabPtr.p->m_senderData;
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	lreq->changeMask = changeMask;
	lreq->tableId = tableId;
	lreq->tableVersion = tableVersion;
	lreq->gci = gci;
	lreq->requestType = AlterTabReq::AlterTableCommit;
	
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	sendFragmentedSignal(rg, GSN_ALTER_TAB_REQ, signal, 
			     AlterTabReq::SignalLength, JBB);
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      }
    }
    else {
      // (!safeCounter.done())
      jam();
    }
    break;
  }
  case(AlterTabReq::AlterTableRevert):
    jam();
  case(AlterTabReq::AlterTableCommit): {
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    SafeCounter safeCounter(c_counterMgr, alterTabPtr.p->m_coordinatorData.m_counter);
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    safeCounter.clearWaitingFor(refToNode(senderRef));
    if (safeCounter.done()) {
      jam();
      // We have received all local confirmations
      releaseSections(signal);
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      if (alterTabPtr.p->m_alterTableFailed) {
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	jam();
	AlterTableRef * apiRef = 
	  (AlterTableRef*)signal->getDataPtrSend();
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	*apiRef = alterTabPtr.p->m_alterTableRef;
	sendSignal(alterTabPtr.p->m_senderRef, GSN_ALTER_TABLE_REF, signal, 
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		   AlterTableRef::SignalLength, JBB);	
      }
      else {
	jam();
	// Alter table completed, inform API
	AlterTableConf * const apiConf = 
	  (AlterTableConf*)signal->getDataPtrSend();
	apiConf->senderRef = reference();
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	apiConf->senderData = alterTabPtr.p->m_senderData;
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	apiConf->tableId = tableId;
	apiConf->tableVersion = tableVersion;
	
	//@todo check api failed
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	sendSignal(alterTabPtr.p->m_senderRef, GSN_ALTER_TABLE_CONF, signal,
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		   AlterTableConf::SignalLength, JBB);
      }
      
      // Release resources
      TableRecordPtr tabPtr;
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      c_tableRecordPool.getPtr(tabPtr, alterTabPtr.p->m_tablePtrI);  
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      releaseTableObject(tabPtr.i, false);
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      releaseCreateTableOp(signal,alterTabPtr);
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      c_blockState = BS_IDLE;
    }
    else {
      // (!safeCounter.done())
      jam();
    }
    break;
  }
  default: ndbrequire(false);
  }
}

// For debugging
inline
void Dbdict::printTables()
{
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  DLHashTable<DictObject>::Iterator iter;
  bool moreTables = c_obj_hash.first(iter);
  printf("OBJECTS IN DICT:\n");
  char name[MAX_TAB_NAME_SIZE];
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  while (moreTables) {
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    Ptr<DictObject> tablePtr = iter.curr;
    ConstRope r(c_rope_pool, tablePtr.p->m_name);
    r.copy(name);
    printf("%s ", name); 
    moreTables = c_obj_hash.next(iter);
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  }
  printf("\n");
}

int Dbdict::handleAlterTab(AlterTabReq * req,
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			   CreateTableRecord * alterTabPtrP,
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			   TableRecordPtr origTablePtr,
			   TableRecordPtr newTablePtr)
{
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  bool supportedAlteration = false;
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  Uint32 changeMask = req->changeMask;
  
  if (AlterTableReq::getNameFlag(changeMask)) {
    jam();
    // Table rename
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    supportedAlteration = true;
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    // Remove from hashtable
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    Ptr<DictObject> obj_ptr;
    c_obj_pool.getPtr(obj_ptr, origTablePtr.p->m_obj_ptr_i);
    c_obj_hash.remove(obj_ptr);
    {
      Rope org(c_rope_pool, origTablePtr.p->tableName);
      org.copy(alterTabPtrP->previousTableName);
      
      ConstRope src(c_rope_pool, newTablePtr.p->tableName);
      char tmp[MAX_TAB_NAME_SIZE];
      const int len = src.size();
      src.copy(tmp);
      ndbrequire(org.assign(tmp, len));
    }
    obj_ptr.p->m_name = origTablePtr.p->tableName;
    // Put it back
    c_obj_hash.add(obj_ptr);
  }

  if (AlterTableReq::getFrmFlag(changeMask)) {
    // Table definition changed (new frm)
    supportedAlteration = true;
    // Save old definition
    Rope org(c_rope_pool, origTablePtr.p->frmData);
    org.copy(alterTabPtrP->previousFrmData);
    alterTabPtrP->previousFrmLen = org.size();

    // Set new definition
    ConstRope src(c_rope_pool, newTablePtr.p->frmData);
    char tmp[MAX_FRM_DATA_SIZE];
    src.copy(tmp);
    ndbrequire(org.assign(tmp, src.size()));
  }

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/*
  TODO RONM: Lite ny kod fr FragmentData och RangeOrListData
*/
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  if (supportedAlteration)
  {
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    // Set new schema version
    origTablePtr.p->tableVersion = newTablePtr.p->tableVersion;
    return 0;
  }
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  else
  {
    jam();
    return -1;
  }
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}

void Dbdict::revertAlterTable(Signal * signal, 
			      Uint32 changeMask, 
			      Uint32 tableId,
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			      CreateTableRecord * alterTabPtrP)
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{
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  bool supportedAlteration = false;

  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, tableId);
  
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  if (AlterTableReq::getNameFlag(changeMask)) {
    jam();
    // Table rename
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    supportedAlteration = true;
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    // Restore previous name
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    Ptr<DictObject> obj_ptr;
    c_obj_pool.getPtr(obj_ptr, tablePtr.p->m_obj_ptr_i);
    c_obj_hash.remove(obj_ptr);

    {
      // Restore name
      Rope org(c_rope_pool, tablePtr.p->tableName);
      ndbrequire(org.assign(alterTabPtrP->previousTableName));
    }
    obj_ptr.p->m_name = tablePtr.p->tableName;
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    // Put it back
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    c_obj_hash.add(obj_ptr);
  }
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  if (AlterTableReq::getFrmFlag(changeMask)) 
  {
    jam();
    // Table redefinition
    supportedAlteration = true;
    // Restore previous frm
    Rope org(c_rope_pool, tablePtr.p->tableName);
    ndbrequire(org.assign(alterTabPtrP->previousFrmData, 
			  alterTabPtrP->previousFrmLen));
    
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  }
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  if (supportedAlteration)
  {
    tablePtr.p->tableVersion = 
      alter_obj_dec_schema_version(tablePtr.p->tableVersion);
    return;
  }
  
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  ndbrequire(false);
}

void
Dbdict::alterTab_writeSchemaConf(Signal* signal, 
				 Uint32 callbackData,
				 Uint32 returnCode)
{
  jam();
  Uint32 key = callbackData;
  CreateTableRecordPtr alterTabPtr;  
  ndbrequire(c_opCreateTable.find(alterTabPtr, key));
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  Uint32 tableId = alterTabPtr.p->m_alterTableId;
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  Callback callback;
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  callback.m_callbackData = alterTabPtr.p->key;
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  callback.m_callbackFunction = 
    safe_cast(&Dbdict::alterTab_writeTableConf);
  
  SegmentedSectionPtr tabInfoPtr;
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  getSection(tabInfoPtr, alterTabPtr.p->m_tabInfoPtrI);
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  writeTableFile(signal, tableId, tabInfoPtr, &callback);
}

void
Dbdict::alterTab_writeTableConf(Signal* signal, 
				Uint32 callbackData,
				Uint32 returnCode)
{
  jam();
  CreateTableRecordPtr alterTabPtr;  
  ndbrequire(c_opCreateTable.find(alterTabPtr, callbackData));
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  Uint32 coordinatorRef = alterTabPtr.p->m_coordinatorRef;
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  TableRecordPtr tabPtr;
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  c_tableRecordPool.getPtr(tabPtr, alterTabPtr.p->m_alterTableId);
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  // Alter table commit request handled successfully 
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  // Inform Suma so it can send events to any subscribers of the table
  AlterTabReq * req = (AlterTabReq*)signal->getDataPtrSend();
  if (coordinatorRef == reference())
    req->senderRef = alterTabPtr.p->m_senderRef;
  else
    req->senderRef = 0;
  req->senderData = callbackData;
  req->tableId = tabPtr.p->tableId;
  req->tableVersion = tabPtr.p->tableVersion;
  req->gci = tabPtr.p->gciTableCreated;
  req->requestType = AlterTabReq::AlterTableCommit;
  req->changeMask = alterTabPtr.p->m_changeMask;
  SegmentedSectionPtr tabInfoPtr;
  getSection(tabInfoPtr, alterTabPtr.p->m_tabInfoPtrI);
  signal->setSection(tabInfoPtr, AlterTabReq::DICT_TAB_INFO);
  EXECUTE_DIRECT(SUMA, GSN_ALTER_TAB_REQ, signal,
                 AlterTabReq::SignalLength);
  releaseSections(signal);
  alterTabPtr.p->m_tabInfoPtrI = RNIL;
  jamEntry();
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  AlterTabConf * conf = (AlterTabConf*)signal->getDataPtrSend();
  conf->senderRef = reference();
  conf->senderData = callbackData;
  conf->tableId = tabPtr.p->tableId;
  conf->tableVersion = tabPtr.p->tableVersion;
  conf->gci = tabPtr.p->gciTableCreated;
  conf->requestType = AlterTabReq::AlterTableCommit;
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  conf->changeMask = alterTabPtr.p->m_changeMask;
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  sendSignal(coordinatorRef, GSN_ALTER_TAB_CONF, signal, 
	       AlterTabConf::SignalLength, JBB);
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  {
    ApiBroadcastRep* api= (ApiBroadcastRep*)signal->getDataPtrSend();
    api->gsn = GSN_ALTER_TABLE_REP;
    api->minVersion = MAKE_VERSION(4,1,15);

    AlterTableRep* rep = (AlterTableRep*)api->theData;
    rep->tableId = tabPtr.p->tableId;
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    rep->tableVersion = alter_obj_dec_schema_version(tabPtr.p->tableVersion);
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    rep->changeType = AlterTableRep::CT_ALTERED;
    
    LinearSectionPtr ptr[3];
    ptr[0].p = (Uint32*)alterTabPtr.p->previousTableName;
    ptr[0].sz = (sizeof(alterTabPtr.p->previousTableName) + 3) >> 2;
    
    sendSignal(QMGR_REF, GSN_API_BROADCAST_REP, signal, 
	       ApiBroadcastRep::SignalLength + AlterTableRep::SignalLength,
	       JBB, ptr,1);
  }

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  if(coordinatorRef != reference()) {
    jam();
    // Release resources
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    c_tableRecordPool.getPtr(tabPtr, alterTabPtr.p->m_tablePtrI);  
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    releaseTableObject(tabPtr.i, false);
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    releaseCreateTableOp(signal,alterTabPtr);
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    c_blockState = BS_IDLE;
  }
}

void
Dbdict::execCREATE_FRAGMENTATION_REF(Signal * signal){
  jamEntry();
  const Uint32 * theData = signal->getDataPtr();
  CreateFragmentationRef * const ref = (CreateFragmentationRef*)theData;
  (void)ref;
  ndbrequire(false);
}

void
Dbdict::execCREATE_FRAGMENTATION_CONF(Signal* signal){
  jamEntry();
  const Uint32 * theData = signal->getDataPtr();
  CreateFragmentationConf * const conf = (CreateFragmentationConf*)theData;

  CreateTableRecordPtr createTabPtr;
  ndbrequire(c_opCreateTable.find(createTabPtr, conf->senderData));

  ndbrequire(signal->getNoOfSections() == 1);

  SegmentedSectionPtr fragDataPtr;
  signal->getSection(fragDataPtr, CreateFragmentationConf::FRAGMENTS);
  signal->header.m_noOfSections = 0;

  /**
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   * Get table
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   */
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);

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  /**
   * Save fragment count
   */
  tabPtr.p->fragmentCount = conf->noOfFragments;

  /**
   * Update table version
   */
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  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry * tabEntry = getTableEntry(xsf, tabPtr.i);
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  tabPtr.p->tableVersion = 
    create_obj_inc_schema_version(tabEntry->m_tableVersion);
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  /**
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   * Pack
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   */
  SimplePropertiesSectionWriter w(getSectionSegmentPool());
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  packTableIntoPages(w, tabPtr);
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  SegmentedSectionPtr spDataPtr;
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  Ptr<SectionSegment> tmpTsPtr;
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  w.getPtr(spDataPtr);
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  signal->setSection(spDataPtr, CreateTabReq::DICT_TAB_INFO);
  signal->setSection(fragDataPtr, CreateTabReq::FRAGMENTATION);
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  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
  SafeCounter tmp(c_counterMgr, createTabPtr.p->m_coordinatorData.m_counter);
  createTabPtr.p->m_coordinatorData.m_gsn = GSN_CREATE_TAB_REQ;
  createTabPtr.p->m_coordinatorData.m_requestType = CreateTabReq::CreateTablePrepare;
  tmp.init<CreateTabRef>(rg, GSN_CREATE_TAB_REF, createTabPtr.p->key);
  
  CreateTabReq * const req = (CreateTabReq*)theData;
  req->senderRef = reference();
  req->senderData = createTabPtr.p->key;
  req->clientRef = createTabPtr.p->m_senderRef;
  req->clientData = createTabPtr.p->m_senderData;
  req->requestType = CreateTabReq::CreateTablePrepare;

  req->gci = 0;
  req->tableId = tabPtr.i;
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  req->tableVersion = create_obj_inc_schema_version(tabEntry->m_tableVersion);
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  sendFragmentedSignal(rg, GSN_CREATE_TAB_REQ, signal, 
		       CreateTabReq::SignalLength, JBB);
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  return;
}

void
Dbdict::execCREATE_TAB_REF(Signal* signal){
  jamEntry();

  CreateTabRef * const ref = (CreateTabRef*)signal->getDataPtr();
  
  CreateTableRecordPtr createTabPtr;
  ndbrequire(c_opCreateTable.find(createTabPtr, ref->senderData));
  
  ndbrequire(createTabPtr.p->m_coordinatorRef == reference());
  ndbrequire(createTabPtr.p->m_coordinatorData.m_gsn == GSN_CREATE_TAB_REQ);

  if(ref->errorCode != CreateTabRef::NF_FakeErrorREF){
    createTabPtr.p->setErrorCode(ref->errorCode);
  }
  createTab_reply(signal, createTabPtr, refToNode(ref->senderRef));
}

void
Dbdict::execCREATE_TAB_CONF(Signal* signal){
  jamEntry();

  ndbrequire(signal->getNoOfSections() == 0);

  CreateTabConf * const conf = (CreateTabConf*)signal->getDataPtr();
  
  CreateTableRecordPtr createTabPtr;
  ndbrequire(c_opCreateTable.find(createTabPtr, conf->senderData));
  
  ndbrequire(createTabPtr.p->m_coordinatorRef == reference());
  ndbrequire(createTabPtr.p->m_coordinatorData.m_gsn == GSN_CREATE_TAB_REQ);

  createTab_reply(signal, createTabPtr, refToNode(conf->senderRef));
}

void
Dbdict::createTab_reply(Signal* signal, 
			CreateTableRecordPtr createTabPtr, 
			Uint32 nodeId)
{

  SafeCounter tmp(c_counterMgr, createTabPtr.p->m_coordinatorData.m_counter);
  if(!tmp.clearWaitingFor(nodeId)){
    jam();
    return;
  }
  
  switch(createTabPtr.p->m_coordinatorData.m_requestType){
  case CreateTabReq::CreateTablePrepare:{

    if(createTabPtr.p->m_errorCode != 0){
      jam();
      /**
       * Failed to prepare on atleast one node -> abort on all
       */
      NodeReceiverGroup rg(DBDICT, c_aliveNodes);
      createTabPtr.p->m_coordinatorData.m_gsn = GSN_CREATE_TAB_REQ;
      createTabPtr.p->m_coordinatorData.m_requestType = CreateTabReq::CreateTableDrop;
      ndbrequire(tmp.init<CreateTabRef>(rg, createTabPtr.p->key));
      
      CreateTabReq * const req = (CreateTabReq*)signal->getDataPtrSend();
      req->senderRef = reference();
      req->senderData = createTabPtr.p->key;
      req->requestType = CreateTabReq::CreateTableDrop;
      
      sendSignal(rg, GSN_CREATE_TAB_REQ, signal, 
		 CreateTabReq::SignalLength, JBB);
      return;
    }
    
    /**
     * Lock mutex before commiting table
     */
    Mutex mutex(signal, c_mutexMgr, createTabPtr.p->m_startLcpMutex);
    Callback c = { safe_cast(&Dbdict::createTab_startLcpMutex_locked),
		   createTabPtr.p->key};

    ndbrequire(mutex.lock(c));
    return;
  }
  case CreateTabReq::CreateTableCommit:{
    jam();
    ndbrequire(createTabPtr.p->m_errorCode == 0);
    
    /**
     * Unlock mutex before commiting table
     */
    Mutex mutex(signal, c_mutexMgr, createTabPtr.p->m_startLcpMutex);
    Callback c = { safe_cast(&Dbdict::createTab_startLcpMutex_unlocked),
		   createTabPtr.p->key};
    mutex.unlock(c);
    return;
  }
  case CreateTabReq::CreateTableDrop:{
    jam();
    CreateTableRef * const ref = (CreateTableRef*)signal->getDataPtr();
    ref->senderRef = reference();
    ref->senderData = createTabPtr.p->m_senderData;
    ref->errorCode = createTabPtr.p->m_errorCode;
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    ref->masterNodeId = c_masterNodeId;
    ref->status = 0;
    ref->errorKey = 0;
    ref->errorLine = 0;
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    //@todo check api failed
    sendSignal(createTabPtr.p->m_senderRef, GSN_CREATE_TABLE_REF, signal, 
	       CreateTableRef::SignalLength, JBB);
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    releaseCreateTableOp(signal,createTabPtr);
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    c_blockState = BS_IDLE;
    return;
  }
  }
  ndbrequire(false);
}

void
Dbdict::createTab_startLcpMutex_locked(Signal* signal, 
				       Uint32 callbackData,
				       Uint32 retValue){
  jamEntry();

  ndbrequire(retValue == 0);
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));
  
  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
  createTabPtr.p->m_coordinatorData.m_gsn = GSN_CREATE_TAB_REQ;
  createTabPtr.p->m_coordinatorData.m_requestType = CreateTabReq::CreateTableCommit;
  SafeCounter tmp(c_counterMgr, createTabPtr.p->m_coordinatorData.m_counter);
  tmp.init<CreateTabRef>(rg, GSN_CREATE_TAB_REF, createTabPtr.p->key);
  
  CreateTabReq * const req = (CreateTabReq*)signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = createTabPtr.p->key;
  req->requestType = CreateTabReq::CreateTableCommit;
  
  sendSignal(rg, GSN_CREATE_TAB_REQ, signal, 
	     CreateTabReq::SignalLength, JBB);
}

void
Dbdict::createTab_startLcpMutex_unlocked(Signal* signal, 
					 Uint32 callbackData,
					 Uint32 retValue){
  jamEntry();
  
  ndbrequire(retValue == 0);
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));

  createTabPtr.p->m_startLcpMutex.release(c_mutexMgr);
  
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  
  CreateTableConf * const conf = (CreateTableConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = createTabPtr.p->m_senderData;
  conf->tableId = createTabPtr.p->m_tablePtrI;
  conf->tableVersion = tabPtr.p->tableVersion;
  
  //@todo check api failed
  sendSignal(createTabPtr.p->m_senderRef, GSN_CREATE_TABLE_CONF, signal, 
	     CreateTableConf::SignalLength, JBB);
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  releaseCreateTableOp(signal,createTabPtr);
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  c_blockState = BS_IDLE;
  return;
}

/***********************************************************
 * CreateTable participant code
 **********************************************************/
void
Dbdict::execCREATE_TAB_REQ(Signal* signal){
  jamEntry();

  if(!assembleFragments(signal)){
    jam();
    return;
  }

  CreateTabReq * const req = (CreateTabReq*)signal->getDataPtr();

  CreateTabReq::RequestType rt = (CreateTabReq::RequestType)req->requestType;
  switch(rt){
  case CreateTabReq::CreateTablePrepare:
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    CRASH_INSERTION2(6003, getOwnNodeId() != c_masterNodeId);
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    createTab_prepare(signal, req);
    return;
  case CreateTabReq::CreateTableCommit:
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    CRASH_INSERTION2(6004, getOwnNodeId() != c_masterNodeId);
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    createTab_commit(signal, req);
    return;
  case CreateTabReq::CreateTableDrop:
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    CRASH_INSERTION2(6005, getOwnNodeId() != c_masterNodeId);
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    createTab_drop(signal, req);
    return;
  }
  ndbrequire(false);
}

void
Dbdict::createTab_prepare(Signal* signal, CreateTabReq * req){

  const Uint32 gci = req->gci;
  const Uint32 tableId = req->tableId;
  const Uint32 tableVersion = req->tableVersion;

  SegmentedSectionPtr tabInfoPtr;
  signal->getSection(tabInfoPtr, CreateTabReq::DICT_TAB_INFO);
  
  CreateTableRecordPtr createTabPtr;  
  if(req->senderRef == reference()){
    jam();
    ndbrequire(c_opCreateTable.find(createTabPtr, req->senderData));
  } else {
    jam();
    c_opCreateTable.seize(createTabPtr);
    
    ndbrequire(!createTabPtr.isNull());
    
    createTabPtr.p->key = req->senderData;
    c_opCreateTable.add(createTabPtr);
    createTabPtr.p->m_errorCode = 0;
    createTabPtr.p->m_tablePtrI = tableId;
    createTabPtr.p->m_coordinatorRef = req->senderRef;
    createTabPtr.p->m_senderRef = req->clientRef;
    createTabPtr.p->m_senderData = req->clientData;
    createTabPtr.p->m_dihAddFragPtr = RNIL;
    
    /**
     * Put data into table record
     */
    ParseDictTabInfoRecord parseRecord;
    parseRecord.requestType = DictTabInfo::AddTableFromDict;
    parseRecord.errorCode = 0;
    
    SimplePropertiesSectionReader r(tabInfoPtr, getSectionSegmentPool());
    
    handleTabInfoInit(r, &parseRecord);

    ndbrequire(parseRecord.errorCode == 0);
  }
  
  ndbrequire(!createTabPtr.isNull());

  SegmentedSectionPtr fragPtr;
  signal->getSection(fragPtr, CreateTabReq::FRAGMENTATION);

  createTabPtr.p->m_tabInfoPtrI = tabInfoPtr.i;
  createTabPtr.p->m_fragmentsPtrI = fragPtr.i;
  
  signal->header.m_noOfSections = 0;
  
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, tableId);
  tabPtr.p->packedSize = tabInfoPtr.sz;
  tabPtr.p->tableVersion = tableVersion;
  tabPtr.p->gciTableCreated = gci;

  SchemaFile::TableEntry tabEntry;
  tabEntry.m_tableVersion = tableVersion;
  tabEntry.m_tableType    = tabPtr.p->tableType;
  tabEntry.m_tableState   = SchemaFile::ADD_STARTED;
  tabEntry.m_gcp          = gci;
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  tabEntry.m_info_words   = tabInfoPtr.sz;
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  memset(tabEntry.m_unused, 0, sizeof(tabEntry.m_unused));
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  Callback callback;
  callback.m_callbackData = createTabPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::createTab_writeSchemaConf1);
  
  updateSchemaState(signal, tableId, &tabEntry, &callback);
}

void getSection(SegmentedSectionPtr & ptr, Uint32 i);

void
Dbdict::createTab_writeSchemaConf1(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 returnCode){
  jam();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));

  Callback callback;
  callback.m_callbackData = createTabPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::createTab_writeTableConf);
  
  SegmentedSectionPtr tabInfoPtr;
  getSection(tabInfoPtr, createTabPtr.p->m_tabInfoPtrI);
  writeTableFile(signal, createTabPtr.p->m_tablePtrI, tabInfoPtr, &callback);
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#if 0
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  createTabPtr.p->m_tabInfoPtrI = RNIL;
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  signal->setSection(tabInfoPtr, 0);
  releaseSections(signal);
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#endif
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}

void
Dbdict::createTab_writeTableConf(Signal* signal, 
				 Uint32 callbackData,
				 Uint32 returnCode){
  jam();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));

  SegmentedSectionPtr fragDataPtr;
  getSection(fragDataPtr, createTabPtr.p->m_fragmentsPtrI);
  
  Callback callback;
  callback.m_callbackData = callbackData;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::createTab_dihComplete);
  
  createTab_dih(signal, createTabPtr, fragDataPtr, &callback);
}

void
Dbdict::createTab_dih(Signal* signal, 
		      CreateTableRecordPtr createTabPtr, 
		      SegmentedSectionPtr fragDataPtr,
		      Callback * c){
  jam();
  
  createTabPtr.p->m_callback = * c;

  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  
  DiAddTabReq * req = (DiAddTabReq*)signal->getDataPtrSend();
  req->connectPtr = createTabPtr.p->key;
  req->tableId = tabPtr.i;
  req->fragType = tabPtr.p->fragmentType;
  req->kValue = tabPtr.p->kValue;
  req->noOfReplicas = 0;
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  req->storedTable = !!(tabPtr.p->m_bits & TableRecord::TR_Logged);
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  req->tableType = tabPtr.p->tableType;
  req->schemaVersion = tabPtr.p->tableVersion;
  req->primaryTableId = tabPtr.p->primaryTableId;

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/*
  Behver fiska upp fragDataPtr frn table object istllet
*/
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  if(!fragDataPtr.isNull()){
    signal->setSection(fragDataPtr, DiAddTabReq::FRAGMENTATION);
  }

  sendSignal(DBDIH_REF, GSN_DIADDTABREQ, signal, 
	     DiAddTabReq::SignalLength, JBB);
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  /**
   * Create KeyDescriptor
   */
  KeyDescriptor* desc= g_key_descriptor_pool.getPtr(tabPtr.i);
  new (desc) KeyDescriptor();

  Uint32 key = 0;
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  Ptr<AttributeRecord> attrPtr;
  LocalDLFifoList<AttributeRecord> list(c_attributeRecordPool,
                                        tabPtr.p->m_attributes);
  for(list.first(attrPtr); !attrPtr.isNull(); list.next(attrPtr))
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  {
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    AttributeRecord* aRec = attrPtr.p;
    if (aRec->tupleKey)
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    {
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      Uint32 attr = aRec->attributeDescriptor;

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      desc->noOfKeyAttr ++;
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      desc->keyAttr[key].attributeDescriptor = attr;
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      Uint32 csNumber = (aRec->extPrecision >> 16);
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      if (csNumber)
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      {
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        desc->keyAttr[key].charsetInfo = all_charsets[csNumber];
        ndbrequire(all_charsets[csNumber] != 0);
        desc->hasCharAttr = 1;
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      }
      else
      {
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        desc->keyAttr[key].charsetInfo = 0;
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      }
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      if (AttributeDescriptor::getDKey(attr))
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      {
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        desc->noOfDistrKeys ++;
      }
      if (AttributeDescriptor::getArrayType(attr) != NDB_ARRAYTYPE_FIXED)
      {
        desc->noOfVarKeys ++;
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      }
      key++;
    }
  }
  ndbrequire(key == tabPtr.p->noOfPrimkey);
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}

static
void
calcLHbits(Uint32 * lhPageBits, Uint32 * lhDistrBits, 
	   Uint32 fid, Uint32 totalFragments) 
{
  Uint32 distrBits = 0;
  Uint32 pageBits = 0;
  
  Uint32 tmp = 1;
  while (tmp < totalFragments) {
    jam();
    tmp <<= 1;
    distrBits++;
  }//while
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#ifdef ndb_classical_lhdistrbits
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  if (tmp != totalFragments) {
    tmp >>= 1;
    if ((fid >= (totalFragments - tmp)) && (fid < (tmp - 1))) {
      distrBits--;
    }//if
  }//if
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#endif
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  * lhPageBits = pageBits;
  * lhDistrBits = distrBits;

}//calcLHbits()


void 
Dbdict::execADD_FRAGREQ(Signal* signal) {
  jamEntry();

  AddFragReq * const req = (AddFragReq*)signal->getDataPtr();
  
  Uint32 dihPtr = req->dihPtr;
  Uint32 senderData = req->senderData;
  Uint32 tableId = req->tableId;
  Uint32 fragId = req->fragmentId;
  Uint32 node = req->nodeId;
  Uint32 lcpNo = req->nextLCP;
  Uint32 fragCount = req->totalFragments;
  Uint32 requestInfo = req->requestInfo;
  Uint32 startGci = req->startGci;
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  Uint32 tablespace_id= req->tablespaceId;
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  Uint32 logPart = req->logPartId;
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  ndbrequire(node == getOwnNodeId());

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, senderData));
  
  createTabPtr.p->m_dihAddFragPtr = dihPtr;
  
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, tableId);

#if 0
  tabPtr.p->gciTableCreated = (startGci > tabPtr.p->gciTableCreated ? startGci:
			       startGci > tabPtr.p->gciTableCreated);
#endif
  
  /**
   * Calc lh3PageBits
   */
  Uint32 lhDistrBits = 0;
  Uint32 lhPageBits = 0;
  ::calcLHbits(&lhPageBits, &lhDistrBits, fragId, fragCount);

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  Uint64 maxRows = tabPtr.p->maxRowsLow +
    (((Uint64)tabPtr.p->maxRowsHigh) << 32);
  Uint64 minRows = tabPtr.p->minRowsLow +
    (((Uint64)tabPtr.p->minRowsHigh) << 32);
  maxRows = (maxRows + fragCount - 1) / fragCount;
  minRows = (minRows + fragCount - 1) / fragCount;

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  {  
    LqhFragReq* req = (LqhFragReq*)signal->getDataPtrSend();
    req->senderData = senderData;
    req->senderRef = reference();
    req->fragmentId = fragId;
    req->requestInfo = requestInfo;
    req->tableId = tableId;
    req->localKeyLength = tabPtr.p->localKeyLen;
    req->maxLoadFactor = tabPtr.p->maxLoadFactor;
    req->minLoadFactor = tabPtr.p->minLoadFactor;
    req->kValue = tabPtr.p->kValue;
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    req->lh3DistrBits = 0; //lhDistrBits;
    req->lh3PageBits = 0; //lhPageBits;
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    req->noOfAttributes = tabPtr.p->noOfAttributes;
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    req->noOfNullAttributes = tabPtr.p->noOfNullBits;
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    req->maxRowsLow = maxRows & 0xFFFFFFFF;
    req->maxRowsHigh = maxRows >> 32;
    req->minRowsLow = minRows & 0xFFFFFFFF;
    req->minRowsHigh = minRows >> 32;
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    req->schemaVersion = tabPtr.p->tableVersion;
    Uint32 keyLen = tabPtr.p->tupKeyLength;
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    req->keyLength = keyLen; // wl-2066 no more "long keys"
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    req->nextLCP = lcpNo;

    req->noOfKeyAttr = tabPtr.p->noOfPrimkey;
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    req->noOfCharsets = tabPtr.p->noOfCharsets;
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    req->checksumIndicator = 1;
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    req->GCPIndicator = 1;
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    req->startGci = startGci;
    req->tableType = tabPtr.p->tableType;
    req->primaryTableId = tabPtr.p->primaryTableId;
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    req->tablespace_id= tabPtr.p->m_tablespace_id;
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    //req->tablespace_id= tablespace_id;
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    req->logPartId = logPart;
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    sendSignal(DBLQH_REF, GSN_LQHFRAGREQ, signal, 
	       LqhFragReq::SignalLength, JBB);
  }
}

void
Dbdict::execLQHFRAGREF(Signal * signal){
  jamEntry();
  LqhFragRef * const ref = (LqhFragRef*)signal->getDataPtr();
 
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, ref->senderData));
  
  createTabPtr.p->setErrorCode(ref->errorCode);
  
  {
    AddFragRef * const ref = (AddFragRef*)signal->getDataPtr();
    ref->dihPtr = createTabPtr.p->m_dihAddFragPtr;
    sendSignal(DBDIH_REF, GSN_ADD_FRAGREF, signal, 
	       AddFragRef::SignalLength, JBB);
  }
}

void
Dbdict::execLQHFRAGCONF(Signal * signal){
  jamEntry();
  LqhFragConf * const conf = (LqhFragConf*)signal->getDataPtr();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, conf->senderData));
  
  createTabPtr.p->m_lqhFragPtr = conf->lqhFragPtr;
  
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
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  sendLQHADDATTRREQ(signal, createTabPtr, tabPtr.p->m_attributes.firstItem);
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}

void
Dbdict::sendLQHADDATTRREQ(Signal* signal,
			  CreateTableRecordPtr createTabPtr,
			  Uint32 attributePtrI){
  jam();
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  LqhAddAttrReq * const req = (LqhAddAttrReq*)signal->getDataPtrSend();
  Uint32 i = 0;
  for(i = 0; i<LqhAddAttrReq::MAX_ATTRIBUTES && attributePtrI != RNIL; i++){
    jam();
    AttributeRecordPtr attrPtr;
    c_attributeRecordPool.getPtr(attrPtr, attributePtrI);
    LqhAddAttrReq::Entry& entry = req->attributes[i];
    entry.attrId = attrPtr.p->attributeId;
    entry.attrDescriptor = attrPtr.p->attributeDescriptor;
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    entry.extTypeInfo = 0;
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    // charset number passed to TUP, TUX in upper half
    entry.extTypeInfo |= (attrPtr.p->extPrecision & ~0xFFFF);
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    if (tabPtr.p->isIndex()) {
      Uint32 primaryAttrId;
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      if (attrPtr.p->nextList != RNIL) {
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        getIndexAttr(tabPtr, attributePtrI, &primaryAttrId);
      } else {
        primaryAttrId = ZNIL;
        if (tabPtr.p->isOrderedIndex())
          entry.attrId = 0;     // attribute goes to TUP
      }
      entry.attrId |= (primaryAttrId << 16);
    }
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    attributePtrI = attrPtr.p->nextList;
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  }
  req->lqhFragPtr = createTabPtr.p->m_lqhFragPtr;
  req->senderData = createTabPtr.p->key;
  req->senderAttrPtr = attributePtrI;
  req->noOfAttributes = i;
  
  sendSignal(DBLQH_REF, GSN_LQHADDATTREQ, signal, 
	     LqhAddAttrReq::HeaderLength + LqhAddAttrReq::EntryLength * i, JBB);
}

void
Dbdict::execLQHADDATTREF(Signal * signal){
  jamEntry();
  LqhAddAttrRef * const ref = (LqhAddAttrRef*)signal->getDataPtr();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, ref->senderData));
  
  createTabPtr.p->setErrorCode(ref->errorCode);
  
  {
    AddFragRef * const ref = (AddFragRef*)signal->getDataPtr();
    ref->dihPtr = createTabPtr.p->m_dihAddFragPtr;
    sendSignal(DBDIH_REF, GSN_ADD_FRAGREF, signal, 
	       AddFragRef::SignalLength, JBB);
  }
  
}

void
Dbdict::execLQHADDATTCONF(Signal * signal){
  jamEntry();
  LqhAddAttrConf * const conf = (LqhAddAttrConf*)signal->getDataPtr();

  CreateTableRecordPtr createTabPtr;
  ndbrequire(c_opCreateTable.find(createTabPtr, conf->senderData));
  
  const Uint32 fragId = conf->fragId;
  const Uint32 nextAttrPtr = conf->senderAttrPtr;
  if(nextAttrPtr != RNIL){
    jam();
    sendLQHADDATTRREQ(signal, createTabPtr, nextAttrPtr);
    return;
  }

  {
    AddFragConf * const conf = (AddFragConf*)signal->getDataPtr();
    conf->dihPtr = createTabPtr.p->m_dihAddFragPtr;
    conf->fragId = fragId;
    sendSignal(DBDIH_REF, GSN_ADD_FRAGCONF, signal, 
	       AddFragConf::SignalLength, JBB);
  }
}

void
Dbdict::execDIADDTABREF(Signal* signal){
  jam();
  
  DiAddTabRef * const ref = (DiAddTabRef*)signal->getDataPtr();
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, ref->senderData));
  
  createTabPtr.p->setErrorCode(ref->errorCode);  
  execute(signal, createTabPtr.p->m_callback, 0);
}

void
Dbdict::execDIADDTABCONF(Signal* signal){
  jam();
  
  DiAddTabConf * const conf = (DiAddTabConf*)signal->getDataPtr();
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, conf->senderData));

  signal->theData[0] = createTabPtr.p->key;
  signal->theData[1] = reference();
  signal->theData[2] = createTabPtr.p->m_tablePtrI;

  if(createTabPtr.p->m_dihAddFragPtr != RNIL){
    jam();

    /**
     * We did perform at least one LQHFRAGREQ
     */
    sendSignal(DBLQH_REF, GSN_TAB_COMMITREQ, signal, 3, JBB);
    return;
  } else {
    /**
     * No local fragment (i.e. no LQHFRAGREQ)
     */
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    execute(signal, createTabPtr.p->m_callback, 0);
    return;
    //sendSignal(DBDIH_REF, GSN_TAB_COMMITREQ, signal, 3, JBB);
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  }
}

void 
Dbdict::execTAB_COMMITREF(Signal* signal) {
  jamEntry();
  ndbrequire(false);
}//execTAB_COMMITREF()

void
Dbdict::execTAB_COMMITCONF(Signal* signal){
  jamEntry();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, signal->theData[0]));
  
  if(refToBlock(signal->getSendersBlockRef()) == DBLQH){

    execute(signal, createTabPtr.p->m_callback, 0);
    return;
  }

  if(refToBlock(signal->getSendersBlockRef()) == DBDIH){
    TableRecordPtr tabPtr;
    c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
    
    signal->theData[0] = tabPtr.i;
    signal->theData[1] = tabPtr.p->tableVersion;
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    signal->theData[2] = (Uint32)!!(tabPtr.p->m_bits & TableRecord::TR_Logged);
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    signal->theData[3] = reference();
    signal->theData[4] = (Uint32)tabPtr.p->tableType;
    signal->theData[5] = createTabPtr.p->key;
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    signal->theData[6] = (Uint32)tabPtr.p->noOfPrimkey;
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    sendSignal(DBTC_REF, GSN_TC_SCHVERREQ, signal, 7, JBB);
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    return;
  }
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  ndbrequire(false);
}

void
Dbdict::createTab_dihComplete(Signal* signal, 
			      Uint32 callbackData,
			      Uint32 returnCode){
  jam();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));

  //@todo check for master failed
  
  if(createTabPtr.p->m_errorCode == 0){
    jam();

    CreateTabConf * const conf = (CreateTabConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = createTabPtr.p->key;
    sendSignal(createTabPtr.p->m_coordinatorRef, GSN_CREATE_TAB_CONF,
	       signal, CreateTabConf::SignalLength, JBB);
    return;
  }

  CreateTabRef * const ref = (CreateTabRef*)signal->getDataPtr();
  ref->senderRef = reference();
  ref->senderData = createTabPtr.p->key;
  ref->errorCode = createTabPtr.p->m_errorCode;
  ref->errorLine = 0;
  ref->errorKey = 0;
  ref->errorStatus = 0;

  sendSignal(createTabPtr.p->m_coordinatorRef, GSN_CREATE_TAB_REF,
	     signal, CreateTabRef::SignalLength, JBB);
}

void
Dbdict::createTab_commit(Signal * signal, CreateTabReq * req){
  jam();
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, req->senderData));

  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  
  SchemaFile::TableEntry tabEntry;
  tabEntry.m_tableVersion = tabPtr.p->tableVersion;
  tabEntry.m_tableType    = tabPtr.p->tableType;
  tabEntry.m_tableState   = SchemaFile::TABLE_ADD_COMMITTED;
  tabEntry.m_gcp          = tabPtr.p->gciTableCreated;
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  tabEntry.m_info_words   = tabPtr.p->packedSize;
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  memset(tabEntry.m_unused, 0, sizeof(tabEntry.m_unused));
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  Callback callback;
  callback.m_callbackData = createTabPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::createTab_writeSchemaConf2);
  
  updateSchemaState(signal, tabPtr.i, &tabEntry, &callback);
}

void
Dbdict::createTab_writeSchemaConf2(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 returnCode){
  jam();
  
  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));
  
  Callback c;
  c.m_callbackData = callbackData;
  c.m_callbackFunction = safe_cast(&Dbdict::createTab_alterComplete);
  alterTab_activate(signal, createTabPtr, &c);
}

void
Dbdict::createTab_alterComplete(Signal* signal, 
				Uint32 callbackData,
				Uint32 returnCode){
  jam();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));
  
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  tabPtr.p->tabState = TableRecord::DEFINED;
  
  //@todo check error
  //@todo check master failed
  
  CreateTabConf * const conf = (CreateTabConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = createTabPtr.p->key;
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  {
    CreateTabConf tmp= *conf;
    conf->senderData = createTabPtr.p->m_tablePtrI;
#if 0
    signal->header.m_noOfSections = 1;
    SegmentedSectionPtr tabInfoPtr;
    getSection(tabInfoPtr, createTabPtr.p->m_tabInfoPtrI);
    signal->setSection(tabInfoPtr, 0);
#endif
    sendSignal(SUMA_REF, GSN_CREATE_TAB_CONF, signal,
		CreateTabConf::SignalLength, JBB);
    *conf= tmp;
#if 0
    signal->header.m_noOfSections = 0;
#endif
  }
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  sendSignal(createTabPtr.p->m_coordinatorRef, GSN_CREATE_TAB_CONF,
	     signal, CreateTabConf::SignalLength, JBB);

  if(createTabPtr.p->m_coordinatorRef != reference()){
    jam();
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    releaseCreateTableOp(signal,createTabPtr);
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  }
}

void
Dbdict::createTab_drop(Signal* signal, CreateTabReq * req){
  jam();

  const Uint32 key = req->senderData;

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, key));
  
  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  tabPtr.p->tabState = TableRecord::DROPPING;

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.seize(dropTabPtr));
  
  dropTabPtr.p->key = key;
  c_opDropTable.add(dropTabPtr);
  
  dropTabPtr.p->m_errorCode = 0;
  dropTabPtr.p->m_request.tableId = createTabPtr.p->m_tablePtrI;
  dropTabPtr.p->m_requestType = DropTabReq::CreateTabDrop;
  dropTabPtr.p->m_coordinatorRef = createTabPtr.p->m_coordinatorRef;
  dropTabPtr.p->m_participantData.m_gsn = GSN_DROP_TAB_REQ;
  
  dropTabPtr.p->m_participantData.m_block = 0;
  dropTabPtr.p->m_participantData.m_callback.m_callbackData = req->senderData;
  dropTabPtr.p->m_participantData.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::createTab_dropComplete);
  dropTab_nextStep(signal, dropTabPtr);  
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  if (tabPtr.p->m_tablespace_id != RNIL)
  {
    FilegroupPtr ptr;
    ndbrequire(c_filegroup_hash.find(ptr, tabPtr.p->m_tablespace_id));
    decrease_ref_count(ptr.p->m_obj_ptr_i);
  }
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}

void
Dbdict::createTab_dropComplete(Signal* signal, 
			       Uint32 callbackData,
			       Uint32 returnCode){
  jam();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, callbackData));
  
  DropTableRecordPtr dropTabPtr;
  ndbrequire(c_opDropTable.find(dropTabPtr, callbackData));

  TableRecordPtr tabPtr;
  c_tableRecordPool.getPtr(tabPtr, createTabPtr.p->m_tablePtrI);
  
  releaseTableObject(tabPtr.i);

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  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry * tableEntry = getTableEntry(xsf, tabPtr.i);
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  tableEntry->m_tableState = SchemaFile::DROP_TABLE_COMMITTED;
  
  //@todo check error
  //@todo check master failed
  
  CreateTabConf * const conf = (CreateTabConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = createTabPtr.p->key;
  sendSignal(createTabPtr.p->m_coordinatorRef, GSN_CREATE_TAB_CONF,
	     signal, CreateTabConf::SignalLength, JBB);

  if(createTabPtr.p->m_coordinatorRef != reference()){
    jam();
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    releaseCreateTableOp(signal,createTabPtr);
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  }

  c_opDropTable.release(dropTabPtr);
}

void
Dbdict::alterTab_activate(Signal* signal, CreateTableRecordPtr createTabPtr,
			  Callback * c){

  createTabPtr.p->m_callback = * c;
  
  signal->theData[0] = createTabPtr.p->key;
  signal->theData[1] = reference();
  signal->theData[2] = createTabPtr.p->m_tablePtrI;
  sendSignal(DBDIH_REF, GSN_TAB_COMMITREQ, signal, 3, JBB);
}

void
Dbdict::execTC_SCHVERCONF(Signal* signal){
  jamEntry();

  CreateTableRecordPtr createTabPtr;  
  ndbrequire(c_opCreateTable.find(createTabPtr, signal->theData[1]));

  execute(signal, createTabPtr.p->m_callback, 0);
}

#define tabRequire(cond, error) \
  if (!(cond)) { \
    jam();    \
    parseP->errorCode = error; parseP->errorLine = __LINE__; \
    parseP->errorKey = it.getKey(); \
    return;   \
  }//if

// handleAddTableFailure(signal, __LINE__, allocatedTable);

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Dbdict::DictObject *
Dbdict::get_object(const char * name, Uint32 len, Uint32 hash){
  DictObject key;
  key.m_key.m_name_ptr = name;
  key.m_key.m_name_len = len;
  key.m_key.m_pool = &c_rope_pool;
  key.m_name.m_hash = hash;
  Ptr<DictObject> old_ptr;
  c_obj_hash.find(old_ptr, key);
  return old_ptr.p;
}

void
Dbdict::release_object(Uint32 obj_ptr_i, DictObject* obj_ptr_p){
  Rope name(c_rope_pool, obj_ptr_p->m_name);
  name.erase();

  Ptr<DictObject> ptr = { obj_ptr_p, obj_ptr_i };
  c_obj_hash.release(ptr);
}

void
Dbdict::increase_ref_count(Uint32 obj_ptr_i)
{
  DictObject* ptr = c_obj_pool.getPtr(obj_ptr_i);
  ptr->m_ref_count++;  
}

void
Dbdict::decrease_ref_count(Uint32 obj_ptr_i)
{
  DictObject* ptr = c_obj_pool.getPtr(obj_ptr_i);
  ndbrequire(ptr->m_ref_count);
  ptr->m_ref_count--;  
}

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void Dbdict::handleTabInfoInit(SimpleProperties::Reader & it,
			       ParseDictTabInfoRecord * parseP,
			       bool checkExist) 
{
/* ---------------------------------------------------------------- */
// We always start by handling table name since this must be the first
// item in the list. Through the table name we can derive if it is a
// correct name, a new name or an already existing table.
/* ---------------------------------------------------------------- */

  it.first();

  SimpleProperties::UnpackStatus status;
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  c_tableDesc.init();
  status = SimpleProperties::unpack(it, &c_tableDesc, 
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				    DictTabInfo::TableMapping, 
				    DictTabInfo::TableMappingSize, 
				    true, true);
  
  if(status != SimpleProperties::Break){
    parseP->errorCode = CreateTableRef::InvalidFormat;
    parseP->status    = status;
    parseP->errorKey  = it.getKey();
    parseP->errorLine = __LINE__;
    return;
  }
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  if(parseP->requestType == DictTabInfo::AlterTableFromAPI)
  {  
    ndbrequire(!checkExist);
  }
  if(!checkExist)
  {
    ndbrequire(parseP->requestType == DictTabInfo::AlterTableFromAPI);
  }
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  /* ---------------------------------------------------------------- */
  // Verify that table name is an allowed table name.
  // TODO
  /* ---------------------------------------------------------------- */
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  const Uint32 tableNameLength = strlen(c_tableDesc.TableName) + 1;
  const Uint32 name_hash = Rope::hash(c_tableDesc.TableName, tableNameLength);
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  if(checkExist){
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    jam();
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    tabRequire(get_object(c_tableDesc.TableName, tableNameLength) == 0, 
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	       CreateTableRef::TableAlreadyExist);
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  }
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  TableRecordPtr tablePtr;
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  switch (parseP->requestType) {
  case DictTabInfo::CreateTableFromAPI: {
    jam();
  }
  case DictTabInfo::AlterTableFromAPI:{
    jam();
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    tablePtr.i = getFreeTableRecord(c_tableDesc.PrimaryTableId);
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    /* ---------------------------------------------------------------- */
    // Check if no free tables existed.
    /* ---------------------------------------------------------------- */
    tabRequire(tablePtr.i != RNIL, CreateTableRef::NoMoreTableRecords);
    
    c_tableRecordPool.getPtr(tablePtr);
    break;
  }
  case DictTabInfo::AddTableFromDict:
  case DictTabInfo::ReadTableFromDiskSR:
  case DictTabInfo::GetTabInfoConf:
  {
/* ---------------------------------------------------------------- */
// Get table id and check that table doesn't already exist
/* ---------------------------------------------------------------- */
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    tablePtr.i = c_tableDesc.TableId;
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    if (parseP->requestType == DictTabInfo::ReadTableFromDiskSR) {
      ndbrequire(tablePtr.i == c_restartRecord.activeTable);
    }//if
    if (parseP->requestType == DictTabInfo::GetTabInfoConf) {
      ndbrequire(tablePtr.i == c_restartRecord.activeTable);
    }//if
    
    c_tableRecordPool.getPtr(tablePtr);
    ndbrequire(tablePtr.p->tabState == TableRecord::NOT_DEFINED);
    
    //Uint32 oldTableVersion = tablePtr.p->tableVersion;
    initialiseTableRecord(tablePtr);
    if (parseP->requestType == DictTabInfo::AddTableFromDict) {
      jam();
      tablePtr.p->tabState = TableRecord::DEFINING;
    }//if
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/* ---------------------------------------------------------------- */
// Set table version
/* ---------------------------------------------------------------- */
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    Uint32 tableVersion = c_tableDesc.TableVersion;
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    tablePtr.p->tableVersion = tableVersion;
    
    break;
  }
  default:
    ndbrequire(false);
    break;
  }//switch
  parseP->tablePtr = tablePtr;
  
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  { 
    Rope name(c_rope_pool, tablePtr.p->tableName);
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    tabRequire(name.assign(c_tableDesc.TableName, tableNameLength, name_hash),
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	       CreateTableRef::OutOfStringBuffer);
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  }

  Ptr<DictObject> obj_ptr;
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  if (parseP->requestType != DictTabInfo::AlterTableFromAPI) {
    jam();
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    ndbrequire(c_obj_hash.seize(obj_ptr));
    obj_ptr.p->m_id = tablePtr.i;
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    obj_ptr.p->m_type = c_tableDesc.TableType;
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    obj_ptr.p->m_name = tablePtr.p->tableName;
    obj_ptr.p->m_ref_count = 0;
    c_obj_hash.add(obj_ptr);
    tablePtr.p->m_obj_ptr_i = obj_ptr.i;

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#ifdef VM_TRACE
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    ndbout_c("Dbdict: name=%s,id=%u,obj_ptr_i=%d", 
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	     c_tableDesc.TableName, tablePtr.i, tablePtr.p->m_obj_ptr_i);
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#endif
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  }
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  tablePtr.p->noOfAttributes = c_tableDesc.NoOfAttributes;
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  tablePtr.p->m_bits |= 
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    (c_tableDesc.TableLoggedFlag ? TableRecord::TR_Logged : 0);
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  tablePtr.p->m_bits |= 
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    (c_tableDesc.RowChecksumFlag ? TableRecord::TR_RowChecksum : 0);
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  tablePtr.p->m_bits |= 
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    (c_tableDesc.RowGCIFlag ? TableRecord::TR_RowGCI : 0);
  tablePtr.p->minLoadFactor = c_tableDesc.MinLoadFactor;
  tablePtr.p->maxLoadFactor = c_tableDesc.MaxLoadFactor;
  tablePtr.p->fragmentType = (DictTabInfo::FragmentType)c_tableDesc.FragmentType;
  tablePtr.p->tableType = (DictTabInfo::TableType)c_tableDesc.TableType;
  tablePtr.p->kValue = c_tableDesc.TableKValue;
  tablePtr.p->fragmentCount = c_tableDesc.FragmentCount;
  tablePtr.p->m_tablespace_id = c_tableDesc.TablespaceId; 
  tablePtr.p->maxRowsLow = c_tableDesc.MaxRowsLow; 
  tablePtr.p->maxRowsHigh = c_tableDesc.MaxRowsHigh; 
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  tablePtr.p->minRowsLow = c_tableDesc.MinRowsLow;
  tablePtr.p->minRowsHigh = c_tableDesc.MinRowsHigh;
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  tablePtr.p->defaultNoPartFlag = c_tableDesc.DefaultNoPartFlag; 
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  tablePtr.p->linearHashFlag = c_tableDesc.LinearHashFlag; 
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  Uint64 maxRows =
    (((Uint64)tablePtr.p->maxRowsHigh) << 32) + tablePtr.p->maxRowsLow;
  Uint64 minRows =
    (((Uint64)tablePtr.p->minRowsHigh) << 32) + tablePtr.p->minRowsLow;
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  {
    Rope frm(c_rope_pool, tablePtr.p->frmData);
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    tabRequire(frm.assign(c_tableDesc.FrmData, c_tableDesc.FrmLen),
	       CreateTableRef::OutOfStringBuffer);
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    Rope range(c_rope_pool, tablePtr.p->rangeData);
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    tabRequire(range.assign(c_tableDesc.RangeListData,
               c_tableDesc.RangeListDataLen),
	      CreateTableRef::OutOfStringBuffer);
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    Rope fd(c_rope_pool, tablePtr.p->ngData);
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    tabRequire(fd.assign((const char*)c_tableDesc.FragmentData,
                         c_tableDesc.FragmentDataLen),
	       CreateTableRef::OutOfStringBuffer);
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    Rope ts(c_rope_pool, tablePtr.p->tsData);
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    tabRequire(ts.assign((const char*)c_tableDesc.TablespaceData,
                         c_tableDesc.TablespaceDataLen),
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	       CreateTableRef::OutOfStringBuffer);
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  }
  
  c_fragDataLen = c_tableDesc.FragmentDataLen;
  memcpy(c_fragData, c_tableDesc.FragmentData,
         c_tableDesc.FragmentDataLen);

  if(c_tableDesc.PrimaryTableId != RNIL) {
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    tablePtr.p->primaryTableId = c_tableDesc.PrimaryTableId;
    tablePtr.p->indexState = (TableRecord::IndexState)c_tableDesc.IndexState;
    tablePtr.p->insertTriggerId = c_tableDesc.InsertTriggerId;
    tablePtr.p->updateTriggerId = c_tableDesc.UpdateTriggerId;
    tablePtr.p->deleteTriggerId = c_tableDesc.DeleteTriggerId;
    tablePtr.p->customTriggerId = c_tableDesc.CustomTriggerId;
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  } else {
    tablePtr.p->primaryTableId = RNIL;
    tablePtr.p->indexState = TableRecord::IS_UNDEFINED;
    tablePtr.p->insertTriggerId = RNIL;
    tablePtr.p->updateTriggerId = RNIL;
    tablePtr.p->deleteTriggerId = RNIL;
    tablePtr.p->customTriggerId = RNIL;
  }
  tablePtr.p->buildTriggerId = RNIL;
  tablePtr.p->indexLocal = 0;
  
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  handleTabInfo(it, parseP, c_tableDesc);
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  if(parseP->errorCode != 0)
  {
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    /**
     * Release table
     */
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    releaseTableObject(tablePtr.i, checkExist);
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    return;
  }

  if (checkExist && tablePtr.p->m_tablespace_id != RNIL)
  {
    /**
     * Increase ref count
     */
    FilegroupPtr ptr;
    ndbrequire(c_filegroup_hash.find(ptr, tablePtr.p->m_tablespace_id));
    increase_ref_count(ptr.p->m_obj_ptr_i);
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  }
}//handleTabInfoInit()

void Dbdict::handleTabInfo(SimpleProperties::Reader & it,
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			   ParseDictTabInfoRecord * parseP,
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			   DictTabInfo::Table &tableDesc)
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{
  TableRecordPtr tablePtr = parseP->tablePtr;
  
  SimpleProperties::UnpackStatus status;
  
  Uint32 keyCount = 0;
  Uint32 keyLength = 0;
  Uint32 attrCount = tablePtr.p->noOfAttributes;
  Uint32 nullCount = 0;
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  Uint32 nullBits = 0;
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  Uint32 noOfCharsets = 0;
  Uint16 charsets[128];
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  Uint32 recordLength = 0;
  AttributeRecordPtr attrPtr;
  c_attributeRecordHash.removeAll();
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  LocalDLFifoList<AttributeRecord> list(c_attributeRecordPool, 
					tablePtr.p->m_attributes);

  Uint32 counts[] = {0,0,0,0,0};
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  for(Uint32 i = 0; i<attrCount; i++){
    /**
     * Attribute Name
     */
    DictTabInfo::Attribute attrDesc; attrDesc.init();
    status = SimpleProperties::unpack(it, &attrDesc, 
				      DictTabInfo::AttributeMapping, 
				      DictTabInfo::AttributeMappingSize, 
				      true, true);
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    if(status != SimpleProperties::Break){
      parseP->errorCode = CreateTableRef::InvalidFormat;
      parseP->status    = status;
      parseP->errorKey  = it.getKey();
      parseP->errorLine = __LINE__;
      return;
    }

    /**
     * Check that attribute is not defined twice
     */
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    const size_t len = strlen(attrDesc.AttributeName)+1;
    const Uint32 name_hash = Rope::hash(attrDesc.AttributeName, len);
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    {
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      AttributeRecord key;
      key.m_key.m_name_ptr = attrDesc.AttributeName;
      key.m_key.m_name_len = len;
      key.attributeName.m_hash = name_hash;
      key.m_key.m_pool = &c_rope_pool;
      Ptr<AttributeRecord> old_ptr;
      c_attributeRecordHash.find(old_ptr, key);
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      if(old_ptr.i != RNIL){
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	parseP->errorCode = CreateTableRef::AttributeNameTwice;
	return;
      }
    }
    
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    list.seize(attrPtr);
    if(attrPtr.i == RNIL){
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      jam();
      parseP->errorCode = CreateTableRef::NoMoreAttributeRecords;
      return;
    }
    
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    new (attrPtr.p) AttributeRecord();
    attrPtr.p->attributeDescriptor = 0x00012255; //Default value
    attrPtr.p->tupleKey = 0;
    
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    /**
     * TmpAttrib to Attribute mapping
     */
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    {
      Rope name(c_rope_pool, attrPtr.p->attributeName);
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      if (!name.assign(attrDesc.AttributeName, len, name_hash))
      {
	jam();
	parseP->errorCode = CreateTableRef::OutOfStringBuffer;
	parseP->errorLine = __LINE__;
	return;
      }
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    }
    attrPtr.p->attributeId = i;
    //attrPtr.p->attributeId = attrDesc.AttributeId;
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    attrPtr.p->tupleKey = (keyCount + 1) * attrDesc.AttributeKeyFlag;
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    attrPtr.p->extPrecision = attrDesc.AttributeExtPrecision;
    attrPtr.p->extScale = attrDesc.AttributeExtScale;
    attrPtr.p->extLength = attrDesc.AttributeExtLength;
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    // charset in upper half of precision
    unsigned csNumber = (attrPtr.p->extPrecision >> 16);
    if (csNumber != 0) {
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      /*
       * A new charset is first accessed here on this node.
       * TODO use separate thread (e.g. via NDBFS) if need to load from file
       */
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      CHARSET_INFO* cs = get_charset(csNumber, MYF(0));
      if (cs == NULL) {
        parseP->errorCode = CreateTableRef::InvalidCharset;
        parseP->errorLine = __LINE__;
        return;
      }
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      // XXX should be done somewhere in mysql
      all_charsets[cs->number] = cs;
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      unsigned i = 0;
      while (i < noOfCharsets) {
        if (charsets[i] == csNumber)
          break;
        i++;
      }
      if (i == noOfCharsets) {
        noOfCharsets++;
        if (noOfCharsets > sizeof(charsets)/sizeof(charsets[0])) {
          parseP->errorCode = CreateTableRef::InvalidFormat;
          parseP->errorLine = __LINE__;
          return;
        }
        charsets[i] = csNumber;
      }
    }
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    // compute attribute size and array size
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    bool translateOk = attrDesc.translateExtType();
    tabRequire(translateOk, CreateTableRef::Inconsistency);

    if(attrDesc.AttributeArraySize > 65535){
      parseP->errorCode = CreateTableRef::ArraySizeTooBig;
      parseP->status    = status;
      parseP->errorKey  = it.getKey();
      parseP->errorLine = __LINE__;
      return;
    }
    
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    // XXX old test option, remove
    if(!attrDesc.AttributeKeyFlag && 
       tablePtr.i > 1 &&
       !tablePtr.p->isIndex())
    {
      //attrDesc.AttributeStorageType= NDB_STORAGETYPE_DISK;
    }

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    Uint32 desc = 0;
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    AttributeDescriptor::setType(desc, attrDesc.AttributeExtType);
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    AttributeDescriptor::setSize(desc, attrDesc.AttributeSize);
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    AttributeDescriptor::setArraySize(desc, attrDesc.AttributeArraySize);
    AttributeDescriptor::setArrayType(desc, attrDesc.AttributeArrayType);
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    AttributeDescriptor::setNullable(desc, attrDesc.AttributeNullableFlag);
    AttributeDescriptor::setDKey(desc, attrDesc.AttributeDKey);
    AttributeDescriptor::setPrimaryKey(desc, attrDesc.AttributeKeyFlag);
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    AttributeDescriptor::setDiskBased(desc, attrDesc.AttributeStorageType == NDB_STORAGETYPE_DISK);
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    attrPtr.p->attributeDescriptor = desc;
    attrPtr.p->autoIncrement = attrDesc.AttributeAutoIncrement;
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    {
      Rope defaultValue(c_rope_pool, attrPtr.p->defaultValue);
      defaultValue.assign(attrDesc.AttributeDefaultValue);
    }
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    keyCount += attrDesc.AttributeKeyFlag;
    nullCount += attrDesc.AttributeNullableFlag;
    
    const Uint32 aSz = (1 << attrDesc.AttributeSize);
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    Uint32 sz;
    if(aSz != 1)
    {
      sz = ((aSz * attrDesc.AttributeArraySize) + 31) >> 5;
    }    
    else
    {
      sz = 0;
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      nullBits += attrDesc.AttributeArraySize;      
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    }
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    if(attrDesc.AttributeArraySize == 0)
    {
      parseP->errorCode = CreateTableRef::InvalidArraySize;
      parseP->status    = status;
      parseP->errorKey  = it.getKey();
      parseP->errorLine = __LINE__;
      return;
    }
    
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    recordLength += sz;
    if(attrDesc.AttributeKeyFlag){
      keyLength += sz;

      if(attrDesc.AttributeNullableFlag){
	parseP->errorCode = CreateTableRef::NullablePrimaryKey;
	parseP->status    = status;
	parseP->errorKey  = it.getKey();
	parseP->errorLine = __LINE__;
	return;
      }
    }
    
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    c_attributeRecordHash.add(attrPtr);

    int a= AttributeDescriptor::getDiskBased(desc);
    int b= AttributeDescriptor::getArrayType(desc);
    Uint32 pos= 2*(a ? 1 : 0) + (b == NDB_ARRAYTYPE_FIXED ? 0 : 1);
    counts[pos+1]++;

    if(b != NDB_ARRAYTYPE_FIXED && sz == 0)
    {
      parseP->errorCode = CreateTableRef::VarsizeBitfieldNotSupported;
      parseP->status    = status;
      parseP->errorKey  = it.getKey();
      parseP->errorLine = __LINE__;
      return;
    }
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    if(!it.next())
      break;
    
    if(it.getKey() != DictTabInfo::AttributeName)
      break;
  }//while
  
  tablePtr.p->noOfPrimkey = keyCount;
  tablePtr.p->noOfNullAttr = nullCount;
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  tablePtr.p->noOfCharsets = noOfCharsets;
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  tablePtr.p->tupKeyLength = keyLength;
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  tablePtr.p->noOfNullBits = nullCount + nullBits;
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  tabRequire(recordLength<= MAX_TUPLE_SIZE_IN_WORDS, 
	     CreateTableRef::RecordTooBig);
  tabRequire(keyLength <= MAX_KEY_SIZE_IN_WORDS, 
	     CreateTableRef::InvalidPrimaryKeySize);
  tabRequire(keyLength > 0, 
	     CreateTableRef::InvalidPrimaryKeySize);
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  if(tablePtr.p->m_tablespace_id != RNIL || counts[3] || counts[4])
  {
    FilegroupPtr tablespacePtr;
    if(!c_filegroup_hash.find(tablespacePtr, tablePtr.p->m_tablespace_id))
    {
      tabRequire(false, CreateTableRef::InvalidTablespace);
    }
    
    if(tablespacePtr.p->m_type != DictTabInfo::Tablespace)
    {
      tabRequire(false, CreateTableRef::NotATablespace);
    }
    
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    if(tablespacePtr.p->m_version != tableDesc.TablespaceVersion)
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    {
      tabRequire(false, CreateTableRef::InvalidTablespaceVersion);
    }
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  }
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}//handleTabInfo()


/* ---------------------------------------------------------------- */
// DICTTABCONF is sent when participants have received all DICTTABINFO
// and successfully handled it.
// Also sent to self (DICT master) when index table creation ready.
/* ---------------------------------------------------------------- */
void Dbdict::execCREATE_TABLE_CONF(Signal* signal) 
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);

  CreateTableConf * const conf = (CreateTableConf *)signal->getDataPtr();
  // assume part of create index operation
  OpCreateIndexPtr opPtr;
  c_opCreateIndex.find(opPtr, conf->senderData);
  ndbrequire(! opPtr.isNull());
  opPtr.p->m_request.setIndexId(conf->tableId);
  opPtr.p->m_request.setIndexVersion(conf->tableVersion);
  createIndex_fromCreateTable(signal, opPtr);
}//execCREATE_TABLE_CONF()

void Dbdict::execCREATE_TABLE_REF(Signal* signal) 
{
  jamEntry();

  CreateTableRef * const ref = (CreateTableRef *)signal->getDataPtr();
  // assume part of create index operation
  OpCreateIndexPtr opPtr;
  c_opCreateIndex.find(opPtr, ref->senderData);
  ndbrequire(! opPtr.isNull());
  opPtr.p->setError(ref);
  createIndex_fromCreateTable(signal, opPtr);
}//execCREATE_TABLE_REF()

/* ---------------------------------------------------------------- */
// New global checkpoint created.
/* ---------------------------------------------------------------- */
void Dbdict::execWAIT_GCP_CONF(Signal* signal) 
{
#if 0
  TableRecordPtr tablePtr;
  jamEntry();
  WaitGCPConf* const conf = (WaitGCPConf*)&signal->theData[0];
  c_tableRecordPool.getPtr(tablePtr, c_connRecord.connTableId);
  tablePtr.p->gciTableCreated = conf->gcp;
  sendUpdateSchemaState(signal,
                        tablePtr.i,
                        SchemaFile::TABLE_ADD_COMMITTED,
                        c_connRecord.noOfPagesForTable,
                        conf->gcp);
#endif
}//execWAIT_GCP_CONF()

/* ---------------------------------------------------------------- */
// Refused new global checkpoint.
/* ---------------------------------------------------------------- */
void Dbdict::execWAIT_GCP_REF(Signal* signal) 
{
  jamEntry();
  WaitGCPRef* const ref = (WaitGCPRef*)&signal->theData[0];
/* ---------------------------------------------------------------- */
// Error Handling code needed
/* ---------------------------------------------------------------- */
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  char buf[32];
  BaseString::snprintf(buf, sizeof(buf), "WAIT_GCP_REF ErrorCode=%d",
		       ref->errorCode);
  progError(__LINE__, NDBD_EXIT_NDBREQUIRE, buf);
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}//execWAIT_GCP_REF()


/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          DROP TABLE                 -------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains the code used to drop a table.              */
/* ---------------------------------------------------------------- */
/* **************************************************************** */
void
Dbdict::execDROP_TABLE_REQ(Signal* signal){
  jamEntry();
  DropTableReq* req = (DropTableReq*)signal->getDataPtr();

  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, req->tableId, false);
  if(tablePtr.isNull()){
    jam();
    dropTableRef(signal, req, DropTableRef::NoSuchTable);
    return;
  }

  if(getOwnNodeId() != c_masterNodeId){
    jam();
    dropTableRef(signal, req, DropTableRef::NotMaster);
    return;
  }

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  if(c_blockState == BS_NODE_RESTART){
    jam();
    dropTableRef(signal, req, DropTableRef::BusyWithNR);
    return;
  }

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  if(c_blockState != BS_IDLE){
    jam();
    dropTableRef(signal, req, DropTableRef::Busy);
    return;
  }
  
  const TableRecord::TabState tabState = tablePtr.p->tabState;
  bool ok = false;
  switch(tabState){
  case TableRecord::NOT_DEFINED:
  case TableRecord::REORG_TABLE_PREPARED:
  case TableRecord::DEFINING:
  case TableRecord::CHECKED:
    jam();
    dropTableRef(signal, req, DropTableRef::NoSuchTable);
    return;
  case TableRecord::DEFINED:
    ok = true;
    jam();
    break;
  case TableRecord::PREPARE_DROPPING:
  case TableRecord::DROPPING:
    jam();
    dropTableRef(signal, req, DropTableRef::DropInProgress);
    return;
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  case TableRecord::BACKUP_ONGOING:
    jam();
    dropTableRef(signal, req, DropTableRef::BackupInProgress);
    return;
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  }
  ndbrequire(ok);

  if(tablePtr.p->tableVersion != req->tableVersion){
    jam();
    dropTableRef(signal, req, DropTableRef::InvalidTableVersion);
    return;
  }

  /**
   * Seems ok
   */
  DropTableRecordPtr dropTabPtr;
  c_opDropTable.seize(dropTabPtr);
  
  if(dropTabPtr.isNull()){
    jam();
    dropTableRef(signal, req, DropTableRef::NoDropTableRecordAvailable);
    return;
  }

  c_blockState = BS_BUSY;
  
  dropTabPtr.p->key = ++c_opRecordSequence;
  c_opDropTable.add(dropTabPtr);

  dropTabPtr.p->m_request = * req;
  dropTabPtr.p->m_errorCode = 0;
  dropTabPtr.p->m_requestType = DropTabReq::OnlineDropTab;
  dropTabPtr.p->m_coordinatorRef = reference();
  dropTabPtr.p->m_coordinatorData.m_gsn = GSN_PREP_DROP_TAB_REQ;
  dropTabPtr.p->m_coordinatorData.m_block = 0;
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  Mutex mutex(signal, c_mutexMgr, dropTabPtr.p->m_define_backup_mutex);
  Callback c = { safe_cast(&Dbdict::dropTable_backup_mutex_locked),
		 dropTabPtr.p->key};
  
  ndbrequire(mutex.lock(c));

}

void
Dbdict::dropTable_backup_mutex_locked(Signal* signal, 
				      Uint32 callbackData,
				      Uint32 retValue){
  jamEntry();
  
  ndbrequire(retValue == 0);
  
  DropTableRecordPtr dropTabPtr;
  ndbrequire(c_opDropTable.find(dropTabPtr, callbackData));
  
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, dropTabPtr.p->m_request.tableId, true);
  
  Mutex mutex(signal, c_mutexMgr, dropTabPtr.p->m_define_backup_mutex);
  mutex.unlock(); // ignore response
  
  if(tablePtr.p->tabState == TableRecord::BACKUP_ONGOING)
  {
    jam();
    dropTableRef(signal, &dropTabPtr.p->m_request,
		 DropTableRef::BackupInProgress);
    
    c_blockState = BS_IDLE;
    c_opDropTable.release(dropTabPtr);
  }
  else
  {
    jam();
    tablePtr.p->tabState = TableRecord::PREPARE_DROPPING;
    prepDropTab_nextStep(signal, dropTabPtr);
  }
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}

void
Dbdict::dropTableRef(Signal * signal, 
		     DropTableReq * req, DropTableRef::ErrorCode errCode){

  Uint32 tableId = req->tableId;
  Uint32 tabVersion = req->tableVersion;
  Uint32 senderData = req->senderData;
  Uint32 senderRef = req->senderRef;
  
  DropTableRef * ref = (DropTableRef*)signal->getDataPtrSend();
  ref->tableId = tableId;
  ref->tableVersion = tabVersion;
  ref->senderData = senderData;
  ref->senderRef = reference();
  ref->errorCode = errCode;
  ref->masterNodeId = c_masterNodeId;
  sendSignal(senderRef, GSN_DROP_TABLE_REF, signal, 
	     DropTableRef::SignalLength, JBB);
}

void
Dbdict::prepDropTab_nextStep(Signal* signal, DropTableRecordPtr dropTabPtr){
  
  /**
   * No errors currently allowed
   */
  ndbrequire(dropTabPtr.p->m_errorCode == 0);

  Uint32 block = 0;
  switch(dropTabPtr.p->m_coordinatorData.m_block){
  case 0:
    jam();
    block = dropTabPtr.p->m_coordinatorData.m_block = DBDICT;
    break;
  case DBDICT:
    jam();
    block = dropTabPtr.p->m_coordinatorData.m_block = DBLQH;
    break;
  case DBLQH:
    jam();
    block = dropTabPtr.p->m_coordinatorData.m_block = DBTC;
    break;
  case DBTC:
    jam();
    block = dropTabPtr.p->m_coordinatorData.m_block = DBDIH;
    break;
  case DBDIH:
    jam();
    prepDropTab_complete(signal, dropTabPtr);
    return;
  default:
    ndbrequire(false);
  }

  PrepDropTabReq * prep = (PrepDropTabReq*)signal->getDataPtrSend();
  prep->senderRef = reference();
  prep->senderData = dropTabPtr.p->key;
  prep->tableId = dropTabPtr.p->m_request.tableId;
  prep->requestType = dropTabPtr.p->m_requestType;
  
  dropTabPtr.p->m_coordinatorData.m_signalCounter = c_aliveNodes;
  NodeReceiverGroup rg(block, c_aliveNodes);
  sendSignal(rg, GSN_PREP_DROP_TAB_REQ, signal, 
	     PrepDropTabReq::SignalLength, JBB);
  
#if 0  
  for (Uint32 i = 1; i < MAX_NDB_NODES; i++){
    if(c_aliveNodes.get(i)){
      jam();
      BlockReference ref = numberToRef(block, i);
      
      dropTabPtr.p->m_coordinatorData.m_signalCounter.setWaitingFor(i);
    }
  }
#endif
}

void
Dbdict::execPREP_DROP_TAB_CONF(Signal * signal){
  jamEntry();

  PrepDropTabConf * prep = (PrepDropTabConf*)signal->getDataPtr();

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, prep->senderData));
  
  ndbrequire(dropTabPtr.p->m_coordinatorRef == reference());
  ndbrequire(dropTabPtr.p->m_request.tableId == prep->tableId);
  ndbrequire(dropTabPtr.p->m_coordinatorData.m_gsn == GSN_PREP_DROP_TAB_REQ);
  
  Uint32 nodeId = refToNode(prep->senderRef);
  dropTabPtr.p->m_coordinatorData.m_signalCounter.clearWaitingFor(nodeId);
  
  if(!dropTabPtr.p->m_coordinatorData.m_signalCounter.done()){
    jam();
    return;
  }
  prepDropTab_nextStep(signal, dropTabPtr);
}

void
Dbdict::execPREP_DROP_TAB_REF(Signal* signal){
  jamEntry();

  PrepDropTabRef * prep = (PrepDropTabRef*)signal->getDataPtr();

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, prep->senderData));
  
  ndbrequire(dropTabPtr.p->m_coordinatorRef == reference());
  ndbrequire(dropTabPtr.p->m_request.tableId == prep->tableId);
  ndbrequire(dropTabPtr.p->m_coordinatorData.m_gsn == GSN_PREP_DROP_TAB_REQ);
  
  Uint32 nodeId = refToNode(prep->senderRef);
  dropTabPtr.p->m_coordinatorData.m_signalCounter.clearWaitingFor(nodeId);
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  Uint32 block = refToBlock(prep->senderRef);
  if((prep->errorCode == PrepDropTabRef::NoSuchTable && block == DBLQH) ||
     (prep->errorCode == PrepDropTabRef::NF_FakeErrorREF)){
    jam();
    /**
     * Ignore errors:
     * 1) no such table and LQH, it might not exists in different LQH's
     * 2) node failure...
     */
  } else {
    dropTabPtr.p->setErrorCode((Uint32)prep->errorCode);
  }
  
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  if(!dropTabPtr.p->m_coordinatorData.m_signalCounter.done()){
    jam();
    return;
  }
  prepDropTab_nextStep(signal, dropTabPtr);
}

void
Dbdict::prepDropTab_complete(Signal* signal, DropTableRecordPtr dropTabPtr){
  jam();

  dropTabPtr.p->m_coordinatorData.m_gsn = GSN_DROP_TAB_REQ;
  dropTabPtr.p->m_coordinatorData.m_block = DBDICT;
  
  DropTabReq * req = (DropTabReq*)signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = dropTabPtr.p->key;
  req->tableId = dropTabPtr.p->m_request.tableId;
  req->requestType = dropTabPtr.p->m_requestType;

  dropTabPtr.p->m_coordinatorData.m_signalCounter = c_aliveNodes;
  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
  sendSignal(rg, GSN_DROP_TAB_REQ, signal, 
	     DropTabReq::SignalLength, JBB);
}

void
Dbdict::execDROP_TAB_REF(Signal* signal){
  jamEntry();

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  DropTabRef * const req = (DropTabRef*)signal->getDataPtr();

  Uint32 block = refToBlock(req->senderRef);
  ndbrequire(req->errorCode == DropTabRef::NF_FakeErrorREF ||
	     (req->errorCode == DropTabRef::NoSuchTable &&
	      (block == DBTUP || block == DBACC || block == DBLQH)));
  
  if(block != DBDICT){
    jam();
    ndbrequire(refToNode(req->senderRef) == getOwnNodeId());
    dropTab_localDROP_TAB_CONF(signal);
    return;
  }
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  ndbrequire(false);
}

void
Dbdict::execDROP_TAB_CONF(Signal* signal){
  jamEntry();

  DropTabConf * const req = (DropTabConf*)signal->getDataPtr();

  if(refToBlock(req->senderRef) != DBDICT){
    jam();
    ndbrequire(refToNode(req->senderRef) == getOwnNodeId());
    dropTab_localDROP_TAB_CONF(signal);
    return;
  }

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, req->senderData));
  
  ndbrequire(dropTabPtr.p->m_coordinatorRef == reference());
  ndbrequire(dropTabPtr.p->m_request.tableId == req->tableId);
  ndbrequire(dropTabPtr.p->m_coordinatorData.m_gsn == GSN_DROP_TAB_REQ);

  Uint32 nodeId = refToNode(req->senderRef);
  dropTabPtr.p->m_coordinatorData.m_signalCounter.clearWaitingFor(nodeId);
  
  if(!dropTabPtr.p->m_coordinatorData.m_signalCounter.done()){
    jam();
    return;
  }
  
  DropTableConf* conf = (DropTableConf*)signal->getDataPtrSend();
  conf->senderRef = reference();
  conf->senderData = dropTabPtr.p->m_request.senderData;
  conf->tableId = dropTabPtr.p->m_request.tableId;
  conf->tableVersion = dropTabPtr.p->m_request.tableVersion;
  Uint32 ref = dropTabPtr.p->m_request.senderRef;
  sendSignal(ref, GSN_DROP_TABLE_CONF, signal, 
	     DropTableConf::SignalLength, JBB);

  c_opDropTable.release(dropTabPtr);
  c_blockState = BS_IDLE;
}

/**
 * DROP TABLE PARTICIPANT CODE
 */
void
Dbdict::execPREP_DROP_TAB_REQ(Signal* signal){
  jamEntry();
  PrepDropTabReq * prep = (PrepDropTabReq*)signal->getDataPtrSend();  

  DropTableRecordPtr dropTabPtr;  
  if(prep->senderRef == reference()){
    jam();
    ndbrequire(c_opDropTable.find(dropTabPtr, prep->senderData));
    ndbrequire(dropTabPtr.p->m_requestType == prep->requestType);
  } else {
    jam();
    c_opDropTable.seize(dropTabPtr);
    if(!dropTabPtr.isNull()){
      dropTabPtr.p->key = prep->senderData;
      c_opDropTable.add(dropTabPtr);
    }
  }
  
  ndbrequire(!dropTabPtr.isNull());

  dropTabPtr.p->m_errorCode = 0;
  dropTabPtr.p->m_request.tableId = prep->tableId;
  dropTabPtr.p->m_requestType = prep->requestType;
  dropTabPtr.p->m_coordinatorRef = prep->senderRef;
  dropTabPtr.p->m_participantData.m_gsn = GSN_PREP_DROP_TAB_REQ;

  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, prep->tableId);
  tablePtr.p->tabState = TableRecord::PREPARE_DROPPING;
  
  /**
   * Modify schema
   */
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  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry * tableEntry = getTableEntry(xsf, tablePtr.i);
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  SchemaFile::TableState tabState = 
    (SchemaFile::TableState)tableEntry->m_tableState;
  ndbrequire(tabState == SchemaFile::TABLE_ADD_COMMITTED ||
	     tabState == SchemaFile::ALTER_TABLE_COMMITTED);
  tableEntry->m_tableState   = SchemaFile::DROP_TABLE_STARTED;
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  computeChecksum(xsf, tablePtr.i / NDB_SF_PAGE_ENTRIES);
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  ndbrequire(c_writeSchemaRecord.inUse == false);
  c_writeSchemaRecord.inUse = true;
  
  c_writeSchemaRecord.pageId = c_schemaRecord.schemaPage;
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  c_writeSchemaRecord.newFile = false;
  c_writeSchemaRecord.firstPage = tablePtr.i / NDB_SF_PAGE_ENTRIES;
  c_writeSchemaRecord.noOfPages = 1;
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  c_writeSchemaRecord.m_callback.m_callbackData = dropTabPtr.p->key;
  c_writeSchemaRecord.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::prepDropTab_writeSchemaConf);
  startWriteSchemaFile(signal);
}

void
Dbdict::prepDropTab_writeSchemaConf(Signal* signal, 
				    Uint32 dropTabPtrI,
				    Uint32 returnCode){
  jam();

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, dropTabPtrI));

  ndbrequire(dropTabPtr.p->m_participantData.m_gsn == GSN_PREP_DROP_TAB_REQ);
  
  /**
   * There probably should be node fail handlign here
   *
   * To check that coordinator hasn't died
   */
  
  PrepDropTabConf * prep = (PrepDropTabConf*)signal->getDataPtr();  
  prep->senderRef = reference();
  prep->senderData = dropTabPtrI;
  prep->tableId = dropTabPtr.p->m_request.tableId;
  
  dropTabPtr.p->m_participantData.m_gsn = GSN_PREP_DROP_TAB_CONF;
  sendSignal(dropTabPtr.p->m_coordinatorRef, GSN_PREP_DROP_TAB_CONF, signal, 
	     PrepDropTabConf::SignalLength, JBB);
}

void
Dbdict::execDROP_TAB_REQ(Signal* signal){
  jamEntry();
  DropTabReq * req = (DropTabReq*)signal->getDataPtrSend();  

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, req->senderData));

  ndbrequire(dropTabPtr.p->m_participantData.m_gsn == GSN_PREP_DROP_TAB_CONF);
  dropTabPtr.p->m_participantData.m_gsn = GSN_DROP_TAB_REQ;

  ndbrequire(dropTabPtr.p->m_requestType == req->requestType);

  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, dropTabPtr.p->m_request.tableId);
  tablePtr.p->tabState = TableRecord::DROPPING;

  dropTabPtr.p->m_participantData.m_block = 0;
  dropTabPtr.p->m_participantData.m_callback.m_callbackData = dropTabPtr.p->key;
  dropTabPtr.p->m_participantData.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropTab_complete);
  dropTab_nextStep(signal, dropTabPtr);  
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  if (tablePtr.p->m_tablespace_id != RNIL)
  {
    FilegroupPtr ptr;
    ndbrequire(c_filegroup_hash.find(ptr, tablePtr.p->m_tablespace_id));
    decrease_ref_count(ptr.p->m_obj_ptr_i);
  }
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}

#include <DebuggerNames.hpp>

void
Dbdict::dropTab_nextStep(Signal* signal, DropTableRecordPtr dropTabPtr){

  /**
   * No errors currently allowed
   */
  ndbrequire(dropTabPtr.p->m_errorCode == 0);

  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, dropTabPtr.p->m_request.tableId);

  Uint32 block = 0;
  switch(dropTabPtr.p->m_participantData.m_block){
  case 0:
    jam();
    block = DBTC;
    break;
  case DBTC:
    jam();
    if (tablePtr.p->isTable() || tablePtr.p->isHashIndex())
      block = DBACC;
    if (tablePtr.p->isOrderedIndex())
      block = DBTUP;
    break;
  case DBACC:
    jam();
    block = DBTUP;
    break;
  case DBTUP:
    jam();
    if (tablePtr.p->isTable() || tablePtr.p->isHashIndex())
      block = DBLQH;
    if (tablePtr.p->isOrderedIndex())
      block = DBTUX;
    break;
  case DBTUX:
    jam();
    block = DBLQH;
    break;
  case DBLQH:
    jam();
    block = DBDIH;
    break;
  case DBDIH:
    jam();
    execute(signal, dropTabPtr.p->m_participantData.m_callback, 0);
    return;
  }
  ndbrequire(block != 0);
  dropTabPtr.p->m_participantData.m_block = block;

  DropTabReq * req = (DropTabReq*)signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = dropTabPtr.p->key;
  req->tableId = dropTabPtr.p->m_request.tableId;
  req->requestType = dropTabPtr.p->m_requestType;
  
  const Uint32 nodeId = getOwnNodeId();
  dropTabPtr.p->m_participantData.m_signalCounter.clearWaitingFor();
  dropTabPtr.p->m_participantData.m_signalCounter.setWaitingFor(nodeId);
  BlockReference ref = numberToRef(block, 0);
  sendSignal(ref, GSN_DROP_TAB_REQ, signal, DropTabReq::SignalLength, JBB);
}

void
Dbdict::dropTab_localDROP_TAB_CONF(Signal* signal){
  jamEntry();
  
  DropTabConf * conf = (DropTabConf*)signal->getDataPtr();

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, conf->senderData));
  
  ndbrequire(dropTabPtr.p->m_request.tableId == conf->tableId);
  ndbrequire(dropTabPtr.p->m_participantData.m_gsn == GSN_DROP_TAB_REQ);
  
  Uint32 nodeId = refToNode(conf->senderRef);
  dropTabPtr.p->m_participantData.m_signalCounter.clearWaitingFor(nodeId);
  
  if(!dropTabPtr.p->m_participantData.m_signalCounter.done()){
    jam();
    ndbrequire(false);
    return;
  }
  dropTab_nextStep(signal, dropTabPtr);
}

void
Dbdict::dropTab_complete(Signal* signal, 
			 Uint32 dropTabPtrI,
			 Uint32 returnCode){
  jam();

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, dropTabPtrI));
  
  Uint32 tableId = dropTabPtr.p->m_request.tableId;
  
  /**
   * Write to schema file
   */
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  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry * tableEntry = getTableEntry(xsf, tableId);
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  SchemaFile::TableState tabState = 
    (SchemaFile::TableState)tableEntry->m_tableState;
  ndbrequire(tabState == SchemaFile::DROP_TABLE_STARTED);
  tableEntry->m_tableState = SchemaFile::DROP_TABLE_COMMITTED;
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  computeChecksum(xsf, tableId / NDB_SF_PAGE_ENTRIES);
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  ndbrequire(c_writeSchemaRecord.inUse == false);
  c_writeSchemaRecord.inUse = true;

  c_writeSchemaRecord.pageId = c_schemaRecord.schemaPage;
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  c_writeSchemaRecord.firstPage = tableId / NDB_SF_PAGE_ENTRIES;
  c_writeSchemaRecord.noOfPages = 1;
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  c_writeSchemaRecord.m_callback.m_callbackData = dropTabPtr.p->key;
  c_writeSchemaRecord.m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropTab_writeSchemaConf);
  startWriteSchemaFile(signal);
}

void
Dbdict::dropTab_writeSchemaConf(Signal* signal, 
				Uint32 dropTabPtrI,
				Uint32 returnCode){
  jam();

  DropTableRecordPtr dropTabPtr;  
  ndbrequire(c_opDropTable.find(dropTabPtr, dropTabPtrI));

  ndbrequire(dropTabPtr.p->m_participantData.m_gsn == GSN_DROP_TAB_REQ);

  dropTabPtr.p->m_participantData.m_gsn = GSN_DROP_TAB_CONF;

  releaseTableObject(dropTabPtr.p->m_request.tableId);

  DropTabConf * conf = (DropTabConf*)signal->getDataPtr();  
  conf->senderRef = reference();
  conf->senderData = dropTabPtrI;
  conf->tableId = dropTabPtr.p->m_request.tableId;
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  {
    DropTabConf tmp= *conf;
    if (dropTabPtr.p->m_coordinatorRef == reference())
      conf->senderRef = dropTabPtr.p->m_request.senderRef;
    else
      conf->senderRef = 0;
    EXECUTE_DIRECT(SUMA, GSN_DROP_TAB_CONF, signal,
		   DropTabConf::SignalLength);
    jamEntry();
    *conf= tmp;
  }
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  dropTabPtr.p->m_participantData.m_gsn = GSN_DROP_TAB_CONF;
  sendSignal(dropTabPtr.p->m_coordinatorRef, GSN_DROP_TAB_CONF, signal, 
	     DropTabConf::SignalLength, JBB);
  
  if(dropTabPtr.p->m_coordinatorRef != reference()){
    c_opDropTable.release(dropTabPtr);
  }
}

void Dbdict::releaseTableObject(Uint32 tableId, bool removeFromHash) 
{
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, tableId);
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  if (removeFromHash)
  {
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    jam();
    release_object(tablePtr.p->m_obj_ptr_i);
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  }
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  else
  {
    Rope tmp(c_rope_pool, tablePtr.p->tableName);
    tmp.erase();
  }
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  {
    Rope tmp(c_rope_pool, tablePtr.p->frmData);
    tmp.erase();
  }

  {
    Rope tmp(c_rope_pool, tablePtr.p->tsData);
    tmp.erase();
  }

  {
    Rope tmp(c_rope_pool, tablePtr.p->ngData);
    tmp.erase();
  }

  {
    Rope tmp(c_rope_pool, tablePtr.p->rangeData);
    tmp.erase();
  }

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  tablePtr.p->tabState = TableRecord::NOT_DEFINED;
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  LocalDLFifoList<AttributeRecord> list(c_attributeRecordPool, 
					tablePtr.p->m_attributes);
  AttributeRecordPtr attrPtr;
  for(list.first(attrPtr); !attrPtr.isNull(); list.next(attrPtr)){
    Rope name(c_rope_pool, attrPtr.p->attributeName);
    Rope def(c_rope_pool, attrPtr.p->defaultValue);
    name.erase();
    def.erase();
  }
  list.release();
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}//releaseTableObject()

/**
 * DICT receives these on index create and drop.
 */
void Dbdict::execDROP_TABLE_CONF(Signal* signal) 
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);

  DropTableConf * const conf = (DropTableConf *)signal->getDataPtr();
  // assume part of drop index operation
  OpDropIndexPtr opPtr;
  c_opDropIndex.find(opPtr, conf->senderData);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_request.getIndexId() == conf->tableId);
  ndbrequire(opPtr.p->m_request.getIndexVersion() == conf->tableVersion);
  dropIndex_fromDropTable(signal, opPtr);
}

void Dbdict::execDROP_TABLE_REF(Signal* signal) 
{
  jamEntry();

  DropTableRef * const ref = (DropTableRef *)signal->getDataPtr();
  // assume part of drop index operation
  OpDropIndexPtr opPtr;
  c_opDropIndex.find(opPtr, ref->senderData);
  ndbrequire(! opPtr.isNull());
  opPtr.p->setError(ref);
  opPtr.p->m_errorLine = __LINE__;
  dropIndex_fromDropTable(signal, opPtr);
}

/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          EXTERNAL INTERFACE TO DATA -------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* This module contains the code that is used by other modules to.  */
/* access the data within DBDICT.                                   */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

void Dbdict::execGET_TABLEDID_REQ(Signal * signal) 
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 1);  
  GetTableIdReq const * req = (GetTableIdReq *)signal->getDataPtr();
  Uint32 senderData = req->senderData;
  Uint32 senderRef = req->senderRef;
  Uint32 len = req->len;

  if(len>MAX_TAB_NAME_SIZE)
  {
    jam();
    sendGET_TABLEID_REF((Signal*)signal, 
			(GetTableIdReq *)req, 
			GetTableIdRef::TableNameTooLong);
    return;
  }

  char tableName[MAX_TAB_NAME_SIZE];
  SegmentedSectionPtr ssPtr;
  signal->getSection(ssPtr,GetTableIdReq::TABLE_NAME);
  copy((Uint32*)tableName, ssPtr);
  releaseSections(signal);
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  DictObject * obj_ptr_p = get_object(tableName, len);
  if(obj_ptr_p == 0 || !DictTabInfo::isTable(obj_ptr_p->m_type)){
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    jam();
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    sendGET_TABLEID_REF(signal, 
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			(GetTableIdReq *)req, 
			GetTableIdRef::TableNotDefined);
    return;
  }
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  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, obj_ptr_p->m_id); 
  
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  GetTableIdConf * conf = (GetTableIdConf *)req;
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  conf->tableId = tablePtr.p->tableId;
  conf->schemaVersion = tablePtr.p->tableVersion;
  conf->senderData = senderData;
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  sendSignal(senderRef, GSN_GET_TABLEID_CONF, signal,
	     GetTableIdConf::SignalLength, JBB);  
}


void Dbdict::sendGET_TABLEID_REF(Signal* signal, 
				 GetTableIdReq * req,
				 GetTableIdRef::ErrorCode errorCode) 
{
  GetTableIdRef * const ref = (GetTableIdRef *)req;
  /**
   * The format of GetTabInfo Req/Ref is the same
   */
  BlockReference retRef = req->senderRef;
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  ref->err = errorCode;
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  sendSignal(retRef, GSN_GET_TABLEID_REF, signal, 
	     GetTableIdRef::SignalLength, JBB);
}//sendGET_TABINFOREF()

/* ---------------------------------------------------------------- */
// Get a full table description.
/* ---------------------------------------------------------------- */
void Dbdict::execGET_TABINFOREQ(Signal* signal) 
{
  jamEntry();
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  if(!assembleFragments(signal)) 
  { 
    return;
  }  
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  GetTabInfoReq * const req = (GetTabInfoReq *)&signal->theData[0];

  /**
   * If I get a GET_TABINFO_REQ from myself
   * it's is a one from the time queue
   */
  bool fromTimeQueue = (signal->senderBlockRef() == reference());
  
  if (c_retrieveRecord.busyState && fromTimeQueue == true) {
    jam();
    
    sendSignalWithDelay(reference(), GSN_GET_TABINFOREQ, signal, 30, 
			signal->length());
    return;
  }//if

  const Uint32 MAX_WAITERS = 5;
  
  if(c_retrieveRecord.busyState && fromTimeQueue == false){
    jam();
    if(c_retrieveRecord.noOfWaiters < MAX_WAITERS){
      jam();
      c_retrieveRecord.noOfWaiters++;
      
      sendSignalWithDelay(reference(), GSN_GET_TABINFOREQ, signal, 30, 
			  signal->length());
      return;
    }
    
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    sendGET_TABINFOREF(signal, req, GetTabInfoRef::Busy);
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    return;
  }
  
  if(fromTimeQueue){
    jam();
    c_retrieveRecord.noOfWaiters--;
  } 

  const bool useLongSig = (req->requestType & GetTabInfoReq::LongSignalConf);
  const Uint32 reqType = req->requestType & (~GetTabInfoReq::LongSignalConf);
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  Uint32 obj_id = RNIL;
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  if(reqType == GetTabInfoReq::RequestByName){
    jam();
    ndbrequire(signal->getNoOfSections() == 1);  
    const Uint32 len = req->tableNameLen;
    
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    if(len > MAX_TAB_NAME_SIZE){
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      jam();
      releaseSections(signal);
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      sendGET_TABINFOREF(signal, req, GetTabInfoRef::TableNameTooLong);
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      return;
    }

    char tableName[MAX_TAB_NAME_SIZE];
    SegmentedSectionPtr ssPtr;
    signal->getSection(ssPtr,GetTabInfoReq::TABLE_NAME);
    SimplePropertiesSectionReader r0(ssPtr, getSectionSegmentPool());
    r0.reset(); // undo implicit first()
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    if(!r0.getWords((Uint32*)tableName, (len+3)/4)){
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      jam();
      releaseSections(signal);
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      sendGET_TABINFOREF(signal, req, GetTabInfoRef::TableNotDefined);
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      return;
    }
    releaseSections(signal);
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    DictObject * old_ptr_p = old_ptr_p = get_object(tableName, len);
    if(old_ptr_p)
      obj_id = old_ptr_p->m_id;
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  } else {
    jam();
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    obj_id = req->tableId;
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  }
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  SchemaFile::TableEntry *objEntry = 0;
  if(obj_id != RNIL){
    XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
    objEntry = getTableEntry(xsf, obj_id);      
  }

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  // The table seached for was not found
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  if(objEntry == 0){
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    jam();
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    sendGET_TABINFOREF(signal, req, GetTabInfoRef::TableNotDefined);
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    return;
  }//if
  
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  if (objEntry->m_tableState != SchemaFile::TABLE_ADD_COMMITTED &&
      objEntry->m_tableState != SchemaFile::ALTER_TABLE_COMMITTED){
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    jam();
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    sendGET_TABINFOREF(signal, req, GetTabInfoRef::TableNotDefined);
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    return;
  }//if
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  if (DictTabInfo::isTable(objEntry->m_tableType) || 
      DictTabInfo::isIndex(objEntry->m_tableType))
  {
    jam();
    TableRecordPtr tabPtr;
    c_tableRecordPool.getPtr(tabPtr, obj_id);
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    if (tabPtr.p->tabState != TableRecord::DEFINED &&
	tabPtr.p->tabState != TableRecord::BACKUP_ONGOING)
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    {
      jam();
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      sendGET_TABINFOREF(signal, req, GetTabInfoRef::TableNotDefined);
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      return;
    }
  }
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  c_retrieveRecord.busyState = true;
  c_retrieveRecord.blockRef = req->senderRef;
  c_retrieveRecord.m_senderData = req->senderData;
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  c_retrieveRecord.tableId = obj_id;
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  c_retrieveRecord.currentSent = 0;
  c_retrieveRecord.m_useLongSig = useLongSig;
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  c_retrieveRecord.m_table_type = objEntry->m_tableType;
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  c_packTable.m_state = PackTable::PTS_GET_TAB;
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  if(objEntry->m_tableType==DictTabInfo::Datafile)
  {
    jam();
    GetTabInfoReq *req= (GetTabInfoReq*)signal->theData;
    req->senderData= c_retrieveRecord.retrievePage;
    req->senderRef= reference();
    req->requestType= GetTabInfoReq::RequestById;
    req->tableId= obj_id;

    sendSignal(TSMAN_REF, GSN_GET_TABINFOREQ, signal,
	       GetTabInfoReq::SignalLength, JBB);
  }
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  else if(objEntry->m_tableType==DictTabInfo::LogfileGroup)
  {
    jam();
    GetTabInfoReq *req= (GetTabInfoReq*)signal->theData;
    req->senderData= c_retrieveRecord.retrievePage;
    req->senderRef= reference();
    req->requestType= GetTabInfoReq::RequestById;
    req->tableId= obj_id;

    sendSignal(LGMAN_REF, GSN_GET_TABINFOREQ, signal,
	       GetTabInfoReq::SignalLength, JBB);
  }
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  else
  {
    jam();
    signal->theData[0] = ZPACK_TABLE_INTO_PAGES;
    signal->theData[1] = obj_id;
    signal->theData[2] = objEntry->m_tableType;
    signal->theData[3] = c_retrieveRecord.retrievePage;
    sendSignal(reference(), GSN_CONTINUEB, signal, 4, JBB);
  }
  jam();
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}//execGET_TABINFOREQ()

void Dbdict::sendGetTabResponse(Signal* signal) 
{
  PageRecordPtr pagePtr;
  DictTabInfo * const conf = (DictTabInfo *)&signal->theData[0];
  conf->senderRef   = reference();
  conf->senderData  = c_retrieveRecord.m_senderData;
  conf->requestType = DictTabInfo::GetTabInfoConf;
  conf->totalLen    = c_retrieveRecord.retrievedNoOfWords;

  c_pageRecordArray.getPtr(pagePtr, c_retrieveRecord.retrievePage);
  Uint32* pagePointer = (Uint32*)&pagePtr.p->word[0] + ZPAGE_HEADER_SIZE;
  
  if(c_retrieveRecord.m_useLongSig){
    jam();
    GetTabInfoConf* conf = (GetTabInfoConf*)signal->getDataPtr();
    conf->gci = 0;
    conf->tableId = c_retrieveRecord.tableId;
    conf->senderData = c_retrieveRecord.m_senderData;
    conf->totalLen = c_retrieveRecord.retrievedNoOfWords;
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    conf->tableType = c_retrieveRecord.m_table_type;

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    Callback c = { safe_cast(&Dbdict::initRetrieveRecord), 0 };
    LinearSectionPtr ptr[3];
    ptr[0].p = pagePointer;
    ptr[0].sz = c_retrieveRecord.retrievedNoOfWords;
    sendFragmentedSignal(c_retrieveRecord.blockRef,
			 GSN_GET_TABINFO_CONF,
			 signal, 
			 GetTabInfoConf::SignalLength,
			 JBB,
			 ptr,
			 1,
			 c);
    return;
  }

  ndbrequire(false);
}//sendGetTabResponse()

void Dbdict::sendGET_TABINFOREF(Signal* signal, 
				GetTabInfoReq * req,
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				GetTabInfoRef::ErrorCode errorCode) 
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{
  jamEntry();
  GetTabInfoRef * const ref = (GetTabInfoRef *)&signal->theData[0];
  /**
   * The format of GetTabInfo Req/Ref is the same
   */
  BlockReference retRef = req->senderRef;
  ref->errorCode = errorCode;
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  sendSignal(retRef, GSN_GET_TABINFOREF, signal, signal->length(), JBB);
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}//sendGET_TABINFOREF()

void
Dbdict::execLIST_TABLES_REQ(Signal* signal)
{
  jamEntry();
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  Uint32 i;
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  ListTablesReq * req = (ListTablesReq*)signal->getDataPtr();
  Uint32 senderRef  = req->senderRef;
  Uint32 senderData = req->senderData;
  // save req flags
  const Uint32 reqTableId = req->getTableId();
  const Uint32 reqTableType = req->getTableType();
  const bool reqListNames = req->getListNames();
  const bool reqListIndexes = req->getListIndexes();
  // init the confs
  ListTablesConf * conf = (ListTablesConf *)signal->getDataPtrSend();
  conf->senderData = senderData;
  conf->counter = 0;
  Uint32 pos = 0;

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  DLHashTable<DictObject>::Iterator iter;
  bool ok = c_obj_hash.first(iter);
  for(; ok; ok = c_obj_hash.next(iter)){
    Uint32 type = iter.curr.p->m_type;
    if ((reqTableType != (Uint32)0) && (reqTableType != type))
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      continue;
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    if (reqListIndexes && !DictTabInfo::isIndex(type))
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      continue;
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    TableRecordPtr tablePtr;
    if (DictTabInfo::isTable(type) || DictTabInfo::isIndex(type)){
      c_tableRecordPool.getPtr(tablePtr, iter.curr.p->m_id);

      if(reqListIndexes && (reqTableId != tablePtr.p->primaryTableId))
	continue;
      
      conf->tableData[pos] = 0;
      conf->setTableId(pos, tablePtr.i); // id
      conf->setTableType(pos, type); // type
      // state

      if(DictTabInfo::isTable(type)){
	switch (tablePtr.p->tabState) {
	case TableRecord::DEFINING:
	case TableRecord::CHECKED:
	  conf->setTableState(pos, DictTabInfo::StateBuilding);
	  break;
	case TableRecord::PREPARE_DROPPING:
	case TableRecord::DROPPING:
	  conf->setTableState(pos, DictTabInfo::StateDropping);
	  break;
	case TableRecord::DEFINED:
	  conf->setTableState(pos, DictTabInfo::StateOnline);
	  break;
	case TableRecord::BACKUP_ONGOING:
	  conf->setTableState(pos, DictTabInfo::StateBackup);
	  break;
	default:
	  conf->setTableState(pos, DictTabInfo::StateBroken);
	  break;
	}
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      }
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      if (tablePtr.p->isIndex()) {
	switch (tablePtr.p->indexState) {
	case TableRecord::IS_OFFLINE:
	  conf->setTableState(pos, DictTabInfo::StateOffline);
	  break;
	case TableRecord::IS_BUILDING:
	  conf->setTableState(pos, DictTabInfo::StateBuilding);
	  break;
	case TableRecord::IS_DROPPING:
	  conf->setTableState(pos, DictTabInfo::StateDropping);
	  break;
	case TableRecord::IS_ONLINE:
	  conf->setTableState(pos, DictTabInfo::StateOnline);
	  break;
	default:
	  conf->setTableState(pos, DictTabInfo::StateBroken);
	  break;
	}
      }
      // store
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      if (! (tablePtr.p->m_bits & TableRecord::TR_Logged)) {
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	conf->setTableStore(pos, DictTabInfo::StoreTemporary);
      } else {
	conf->setTableStore(pos, DictTabInfo::StorePermanent);
      }
      pos++;
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    }
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    if(DictTabInfo::isTrigger(type)){
      TriggerRecordPtr triggerPtr;
      c_triggerRecordPool.getPtr(triggerPtr, iter.curr.p->m_id);

      conf->tableData[pos] = 0;
      conf->setTableId(pos, triggerPtr.i);
      conf->setTableType(pos, type);
      switch (triggerPtr.p->triggerState) {
      case TriggerRecord::TS_OFFLINE:
	conf->setTableState(pos, DictTabInfo::StateOffline);
	break;
      case TriggerRecord::TS_ONLINE:
	conf->setTableState(pos, DictTabInfo::StateOnline);
	break;
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      default:
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	conf->setTableState(pos, DictTabInfo::StateBroken);
	break;
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      }
      conf->setTableStore(pos, DictTabInfo::StoreTemporary);
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      pos++;
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    }
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    if (DictTabInfo::isFilegroup(type)){
      jam();
      conf->tableData[pos] = 0;
      conf->setTableId(pos, iter.curr.p->m_id);
      conf->setTableType(pos, type); // type
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      conf->setTableState(pos, DictTabInfo::StateOnline);  // XXX todo
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      pos++;
    }
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    if (DictTabInfo::isFile(type)){
      jam();
      conf->tableData[pos] = 0;
      conf->setTableId(pos, iter.curr.p->m_id);
      conf->setTableType(pos, type); // type
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      conf->setTableState(pos, DictTabInfo::StateOnline); // XXX todo
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      pos++;
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    }
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    if (pos >= ListTablesConf::DataLength) {
      sendSignal(senderRef, GSN_LIST_TABLES_CONF, signal,
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		 ListTablesConf::SignalLength, JBB);
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      conf->counter++;
      pos = 0;
    }
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    if (! reqListNames)
      continue;
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    Rope name(c_rope_pool, iter.curr.p->m_name);
    const Uint32 size = name.size();
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    conf->tableData[pos] = size;
    pos++;
    if (pos >= ListTablesConf::DataLength) {
      sendSignal(senderRef, GSN_LIST_TABLES_CONF, signal,
		 ListTablesConf::SignalLength, JBB);
      conf->counter++;
      pos = 0;
    }
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    Uint32 i = 0;
    char tmp[MAX_TAB_NAME_SIZE];
    name.copy(tmp);
    while (i < size) {
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      char* p = (char*)&conf->tableData[pos];
      for (Uint32 j = 0; j < 4; j++) {
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	if (i < size)
	  *p++ = tmp[i++];
	else
	  *p++ = 0;
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      }
      pos++;
      if (pos >= ListTablesConf::DataLength) {
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	sendSignal(senderRef, GSN_LIST_TABLES_CONF, signal,
		   ListTablesConf::SignalLength, JBB);
	conf->counter++;
	pos = 0;
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      }
    }
  }
  // last signal must have less than max length
  sendSignal(senderRef, GSN_LIST_TABLES_CONF, signal,
	     ListTablesConf::HeaderLength + pos, JBB);
}

/**
 * MODULE: Create index
 *
 * Create index in DICT via create table operation.  Then invoke alter
 * index opearation to online the index.
 *
 * Request type in CREATE_INDX signals:
 *
 * RT_USER - from API to DICT master
 * RT_DICT_PREPARE - prepare participants
 * RT_DICT_COMMIT - commit participants
 * RT_TC - create index in TC (part of alter index operation)
 */

void
Dbdict::execCREATE_INDX_REQ(Signal* signal)
{
  jamEntry();
  CreateIndxReq* const req = (CreateIndxReq*)signal->getDataPtrSend();
  OpCreateIndexPtr opPtr;
  const Uint32 senderRef = signal->senderBlockRef();
  const CreateIndxReq::RequestType requestType = req->getRequestType();
  if (requestType == CreateIndxReq::RT_USER) {
    jam();
    if (! assembleFragments(signal)) {
      jam();
      return;
    }
    if (signal->getLength() == CreateIndxReq::SignalLength) {
      jam();
      if (getOwnNodeId() != c_masterNodeId) {
        jam();
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	releaseSections(signal);
	OpCreateIndex opBusy;
	opPtr.p = &opBusy;
	opPtr.p->save(req);
	opPtr.p->m_isMaster = (senderRef == reference());
	opPtr.p->key = 0;
	opPtr.p->m_requestType = CreateIndxReq::RT_DICT_PREPARE;
	opPtr.p->m_errorCode = CreateIndxRef::NotMaster;
	opPtr.p->m_errorLine = __LINE__;
	opPtr.p->m_errorNode = c_masterNodeId;
	createIndex_sendReply(signal, opPtr, true);
	return;
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      }
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      // forward initial request plus operation key to all
      req->setOpKey(++c_opRecordSequence);
      NodeReceiverGroup rg(DBDICT, c_aliveNodes);
      sendSignal(rg, GSN_CREATE_INDX_REQ,
          signal, CreateIndxReq::SignalLength + 1, JBB);
      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == CreateIndxReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpCreateIndex opBusy;
    if (! c_opCreateIndex.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = CreateIndxReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = CreateIndxRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      releaseSections(signal);
      createIndex_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opCreateIndex.add(opPtr);
    // save attribute list
    SegmentedSectionPtr ssPtr;
    signal->getSection(ssPtr, CreateIndxReq::ATTRIBUTE_LIST_SECTION);
    SimplePropertiesSectionReader r0(ssPtr, getSectionSegmentPool());
    r0.reset(); // undo implicit first()
    if (! r0.getWord(&opPtr.p->m_attrList.sz) ||
        ! r0.getWords(opPtr.p->m_attrList.id, opPtr.p->m_attrList.sz)) {
      jam();
      opPtr.p->m_errorCode = CreateIndxRef::InvalidName;
      opPtr.p->m_errorLine = __LINE__;
      releaseSections(signal);
      createIndex_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    // save name and index table properties
    signal->getSection(ssPtr, CreateIndxReq::INDEX_NAME_SECTION);
    SimplePropertiesSectionReader r1(ssPtr, getSectionSegmentPool());
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    c_tableDesc.init();
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    SimpleProperties::UnpackStatus status = SimpleProperties::unpack(
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        r1, &c_tableDesc,
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        DictTabInfo::TableMapping, DictTabInfo::TableMappingSize,
        true, true);
    if (status != SimpleProperties::Eof) {
      opPtr.p->m_errorCode = CreateIndxRef::InvalidName;
      opPtr.p->m_errorLine = __LINE__;
      releaseSections(signal);
      createIndex_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
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    memcpy(opPtr.p->m_indexName, c_tableDesc.TableName, MAX_TAB_NAME_SIZE);
    opPtr.p->m_storedIndex = c_tableDesc.TableLoggedFlag;
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    releaseSections(signal);
    // master expects to hear from all
    if (opPtr.p->m_isMaster)
      opPtr.p->m_signalCounter = c_aliveNodes;
    createIndex_slavePrepare(signal, opPtr);
    createIndex_sendReply(signal, opPtr, false);
    return;
  }
  c_opCreateIndex.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == CreateIndxReq::RT_DICT_COMMIT ||
        requestType == CreateIndxReq::RT_DICT_ABORT) {
      jam();
      if (requestType == CreateIndxReq::RT_DICT_COMMIT) {
        opPtr.p->m_request.setIndexId(req->getIndexId());
        opPtr.p->m_request.setIndexVersion(req->getIndexVersion());
        createIndex_slaveCommit(signal, opPtr);
      } else {
        createIndex_slaveAbort(signal, opPtr);
      }
      createIndex_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
        c_opCreateIndex.release(opPtr);
      return;
    }
  }
  jam();
  // return to sender
  releaseSections(signal);
  OpCreateIndex opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
  opPtr.p->m_errorCode = CreateIndxRef::BadRequestType;
  opPtr.p->m_errorLine = __LINE__;
  createIndex_sendReply(signal, opPtr, true);
}

void
Dbdict::execCREATE_INDX_CONF(Signal* signal)
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);
  CreateIndxConf* conf = (CreateIndxConf*)signal->getDataPtrSend();
  createIndex_recvReply(signal, conf, 0);
}

void
Dbdict::execCREATE_INDX_REF(Signal* signal) 
{
  jamEntry();      
  CreateIndxRef* ref = (CreateIndxRef*)signal->getDataPtrSend();
  createIndex_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::createIndex_recvReply(Signal* signal, const CreateIndxConf* conf,
    const CreateIndxRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const CreateIndxReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == CreateIndxReq::RT_TC) {
    jam();
    // part of alter index operation
    OpAlterIndexPtr opPtr;
    c_opAlterIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterIndex_fromCreateTc(signal, opPtr);
    return;
  }
  OpCreateIndexPtr opPtr;
  c_opCreateIndex.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  opPtr.p->setError(ref);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == CreateIndxReq::RT_DICT_COMMIT ||
      requestType == CreateIndxReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    createIndex_sendReply(signal, opPtr, true);
    c_opCreateIndex.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = CreateIndxReq::RT_DICT_ABORT;
    createIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  if (requestType == CreateIndxReq::RT_DICT_PREPARE) {
    jam();
    // start index table create
    createIndex_toCreateTable(signal, opPtr);
    if (opPtr.p->hasError()) {
      jam();
      opPtr.p->m_requestType = CreateIndxReq::RT_DICT_ABORT;
      createIndex_sendSlaveReq(signal, opPtr);
      return;
    }
    return;
  }
  ndbrequire(false);
}

void
Dbdict::createIndex_slavePrepare(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
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  if (ERROR_INSERTED(6006) && ! opPtr.p->m_isMaster) {
    ndbrequire(false);
  }
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}

void
Dbdict::createIndex_toCreateTable(Signal* signal, OpCreateIndexPtr opPtr)
{
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  union {
    char tableName[MAX_TAB_NAME_SIZE];
    char attributeName[MAX_ATTR_NAME_SIZE];
  };
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  Uint32 k;
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  Uint32 attrid_map[MAX_ATTRIBUTES_IN_INDEX];

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  jam();
  const CreateIndxReq* const req = &opPtr.p->m_request;
  // signal data writer
  Uint32* wbuffer = &c_indexPage.word[0];
  LinearWriter w(wbuffer, sizeof(c_indexPage) >> 2);
  w.first();
  // get table being indexed
  if (! (req->getTableId() < c_tableRecordPool.getSize())) {
    jam();
    opPtr.p->m_errorCode = CreateIndxRef::InvalidPrimaryTable;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, req->getTableId());
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  if (tablePtr.p->tabState != TableRecord::DEFINED &&
      tablePtr.p->tabState != TableRecord::BACKUP_ONGOING) {
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    jam();
    opPtr.p->m_errorCode = CreateIndxRef::InvalidPrimaryTable;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  if (! tablePtr.p->isTable()) {
    jam();
    opPtr.p->m_errorCode = CreateIndxRef::InvalidPrimaryTable;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  // compute index table record
  TableRecord indexRec;
  TableRecordPtr indexPtr;
  indexPtr.i = RNIL;            // invalid
  indexPtr.p = &indexRec;
  initialiseTableRecord(indexPtr);
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  indexPtr.p->m_bits = TableRecord::TR_RowChecksum;
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  if (req->getIndexType() == DictTabInfo::UniqueHashIndex) {
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    indexPtr.p->m_bits |= (opPtr.p->m_storedIndex ? TableRecord::TR_Logged:0);
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    indexPtr.p->fragmentType = DictTabInfo::DistrKeyUniqueHashIndex;
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  } else if (req->getIndexType() == DictTabInfo::OrderedIndex) {
    // first version will not supported logging
    if (opPtr.p->m_storedIndex) {
      jam();
      opPtr.p->m_errorCode = CreateIndxRef::InvalidIndexType;
      opPtr.p->m_errorLine = __LINE__;
      return;
    }
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    indexPtr.p->fragmentType = DictTabInfo::DistrKeyOrderedIndex;
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  } else {
    jam();
    opPtr.p->m_errorCode = CreateIndxRef::InvalidIndexType;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  indexPtr.p->tableType = (DictTabInfo::TableType)req->getIndexType();
  indexPtr.p->primaryTableId = req->getTableId();
  indexPtr.p->noOfAttributes = opPtr.p->m_attrList.sz;
  indexPtr.p->tupKeyLength = 0;
  if (indexPtr.p->noOfAttributes == 0) {
    jam();
    opPtr.p->m_errorCode = CreateIndxRef::InvalidIndexType;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
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  if (indexPtr.p->isOrderedIndex()) {
    // tree node size in words (make configurable later)
    indexPtr.p->tupKeyLength = MAX_TTREE_NODE_SIZE;
  }
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  AttributeMask mask;
  mask.clear();
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  for (k = 0; k < opPtr.p->m_attrList.sz; k++) {
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    jam();
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    unsigned current_id= opPtr.p->m_attrList.id[k];
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    Uint32 tAttr = tablePtr.p->m_attributes.firstItem;
    AttributeRecord* aRec = NULL;
    for (; tAttr != RNIL; )
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    {
      aRec = c_attributeRecordPool.getPtr(tAttr);
      if (aRec->attributeId != current_id)
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      {
	tAttr= aRec->nextList;
	continue;
      }
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      jam();
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      break;
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    }
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    if (tAttr == RNIL) {
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      jam();
      opPtr.p->m_errorCode = CreateIndxRef::BadRequestType;
      opPtr.p->m_errorLine = __LINE__;
      return;
    }
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    if (mask.get(current_id))
    {
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      jam();
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      opPtr.p->m_errorCode = CreateIndxRef::DuplicateAttributes;
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      opPtr.p->m_errorLine = __LINE__;
      return;
    }
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    const Uint32 a = aRec->attributeDescriptor;
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    if (AttributeDescriptor::getDiskBased(a))
    {
      jam();
      opPtr.p->m_errorCode = CreateIndxRef::IndexOnDiskAttributeError;
      opPtr.p->m_errorLine = __LINE__;
      return;
    }
    
    mask.set(current_id);
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    unsigned kk= k;
    if (indexPtr.p->isHashIndex()) {
      const Uint32 s1 = AttributeDescriptor::getSize(a);
      const Uint32 s2 = AttributeDescriptor::getArraySize(a);
      indexPtr.p->tupKeyLength += ((1 << s1) * s2 + 31) >> 5;
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      for (; kk > 0 && current_id < attrid_map[kk-1]>>16; kk--)
	attrid_map[kk]= attrid_map[kk-1];
    }
    attrid_map[kk]= k | (current_id << 16);
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  }
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  indexPtr.p->noOfPrimkey = indexPtr.p->noOfAttributes;
  // plus concatenated primary table key attribute
  indexPtr.p->noOfAttributes += 1;
  indexPtr.p->noOfNullAttr = 0;
  // write index table
  w.add(DictTabInfo::TableName, opPtr.p->m_indexName);
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  w.add(DictTabInfo::TableLoggedFlag, !!(indexPtr.p->m_bits & TableRecord::TR_Logged));
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  w.add(DictTabInfo::FragmentTypeVal, indexPtr.p->fragmentType);
  w.add(DictTabInfo::TableTypeVal, indexPtr.p->tableType);
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  Rope name(c_rope_pool, tablePtr.p->tableName);
  name.copy(tableName);
  w.add(DictTabInfo::PrimaryTable, tableName);
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  w.add(DictTabInfo::PrimaryTableId, tablePtr.i);
  w.add(DictTabInfo::NoOfAttributes, indexPtr.p->noOfAttributes);
  w.add(DictTabInfo::NoOfKeyAttr, indexPtr.p->noOfPrimkey);
  w.add(DictTabInfo::NoOfNullable, indexPtr.p->noOfNullAttr);
  w.add(DictTabInfo::KeyLength, indexPtr.p->tupKeyLength);
  // write index key attributes
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  for (k = 0; k < opPtr.p->m_attrList.sz; k++) {
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    // insert the attributes in the order decided above in attrid_map
    // k is new order, current_id is in previous order
    // ToDo: make sure "current_id" is stored with the table and
    // passed up to NdbDictionary
    unsigned current_id= opPtr.p->m_attrList.id[attrid_map[k] & 0xffff];
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    jam();
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    for (Uint32 tAttr = tablePtr.p->m_attributes.firstItem; tAttr != RNIL; ) {
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      AttributeRecord* aRec = c_attributeRecordPool.getPtr(tAttr);
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      tAttr = aRec->nextList;
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      if (aRec->attributeId != current_id)
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        continue;
      jam();
      const Uint32 a = aRec->attributeDescriptor;
      bool isNullable = AttributeDescriptor::getNullable(a);
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      Uint32 arrayType = AttributeDescriptor::getArrayType(a);
      Rope attrName(c_rope_pool, aRec->attributeName);
      attrName.copy(attributeName);
      w.add(DictTabInfo::AttributeName, attributeName);
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      Uint32 attrType = AttributeDescriptor::getType(a);
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      // computed
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      w.add(DictTabInfo::AttributeId, k);
      if (indexPtr.p->isHashIndex()) {
        w.add(DictTabInfo::AttributeKeyFlag, (Uint32)true);
        w.add(DictTabInfo::AttributeNullableFlag, (Uint32)false);
      }
      if (indexPtr.p->isOrderedIndex()) {
        w.add(DictTabInfo::AttributeKeyFlag, (Uint32)false);
        w.add(DictTabInfo::AttributeNullableFlag, (Uint32)isNullable);
      }
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      w.add(DictTabInfo::AttributeArrayType, arrayType);
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      w.add(DictTabInfo::AttributeExtType, attrType);
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      w.add(DictTabInfo::AttributeExtPrecision, aRec->extPrecision);
      w.add(DictTabInfo::AttributeExtScale, aRec->extScale);
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      w.add(DictTabInfo::AttributeExtLength, aRec->extLength);
      w.add(DictTabInfo::AttributeEnd, (Uint32)true);
    }
  }
  if (indexPtr.p->isHashIndex()) {
    jam();
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    Uint32 key_type = NDB_ARRAYTYPE_FIXED;
    AttributeRecordPtr attrPtr;
    LocalDLFifoList<AttributeRecord> alist(c_attributeRecordPool,
					   tablePtr.p->m_attributes);
    for (alist.first(attrPtr); !attrPtr.isNull(); alist.next(attrPtr)) 
    {
      const Uint32 desc = attrPtr.p->attributeDescriptor;
      if (AttributeDescriptor::getPrimaryKey(desc) &&
	  AttributeDescriptor::getArrayType(desc) != NDB_ARRAYTYPE_FIXED)
      {
	key_type = NDB_ARRAYTYPE_MEDIUM_VAR;
	break;
      }
    }
    
    // write concatenated primary table key attribute i.e. keyinfo
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    w.add(DictTabInfo::AttributeName, "NDB$PK");
    w.add(DictTabInfo::AttributeId, opPtr.p->m_attrList.sz);
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    w.add(DictTabInfo::AttributeArrayType, key_type);
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    w.add(DictTabInfo::AttributeKeyFlag, (Uint32)false);
    w.add(DictTabInfo::AttributeNullableFlag, (Uint32)false);
    w.add(DictTabInfo::AttributeExtType, (Uint32)DictTabInfo::ExtUnsigned);
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    w.add(DictTabInfo::AttributeExtLength, tablePtr.p->tupKeyLength+1);
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    w.add(DictTabInfo::AttributeEnd, (Uint32)true);
  }
  if (indexPtr.p->isOrderedIndex()) {
    jam();
    // write index tree node as Uint32 array attribute
    w.add(DictTabInfo::AttributeName, "NDB$TNODE");
    w.add(DictTabInfo::AttributeId, opPtr.p->m_attrList.sz);
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    // should not matter but VAR crashes in TUP
    w.add(DictTabInfo::AttributeArrayType, (Uint32)NDB_ARRAYTYPE_FIXED);
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    w.add(DictTabInfo::AttributeKeyFlag, (Uint32)true);
    w.add(DictTabInfo::AttributeNullableFlag, (Uint32)false);
    w.add(DictTabInfo::AttributeExtType, (Uint32)DictTabInfo::ExtUnsigned);
    w.add(DictTabInfo::AttributeExtLength, indexPtr.p->tupKeyLength);
    w.add(DictTabInfo::AttributeEnd, (Uint32)true);
  }
  // finish
  w.add(DictTabInfo::TableEnd, (Uint32)true);
  // remember to...
  releaseSections(signal);
  // send create index table request
  CreateTableReq * const cre = (CreateTableReq*)signal->getDataPtrSend();
  cre->senderRef = reference();
  cre->senderData = opPtr.p->key;
  LinearSectionPtr lsPtr[3];
  lsPtr[0].p = wbuffer;
  lsPtr[0].sz = w.getWordsUsed();
  sendSignal(DBDICT_REF, GSN_CREATE_TABLE_REQ,
      signal, CreateTableReq::SignalLength, JBB, lsPtr, 1);
}

void
Dbdict::createIndex_fromCreateTable(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = CreateIndxReq::RT_DICT_ABORT;
    createIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  if (! opPtr.p->m_request.getOnline()) {
    jam();
    opPtr.p->m_requestType = CreateIndxReq::RT_DICT_COMMIT;
    createIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  createIndex_toAlterIndex(signal, opPtr);
}

void
Dbdict::createIndex_toAlterIndex(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
  AlterIndxReq* const req = (AlterIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(AlterIndxReq::RT_CREATE_INDEX);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  req->setTableId(opPtr.p->m_request.getTableId());
  req->setIndexId(opPtr.p->m_request.getIndexId());
  req->setIndexVersion(opPtr.p->m_request.getIndexVersion());
  req->setOnline(true);
  sendSignal(reference(), GSN_ALTER_INDX_REQ,
      signal, AlterIndxReq::SignalLength, JBB);
}

void
Dbdict::createIndex_fromAlterIndex(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = CreateIndxReq::RT_DICT_ABORT;
    createIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  opPtr.p->m_requestType = CreateIndxReq::RT_DICT_COMMIT;
  createIndex_sendSlaveReq(signal, opPtr);
}

void
Dbdict::createIndex_slaveCommit(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
  const Uint32 indexId = opPtr.p->m_request.getIndexId();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, indexId);
  if (! opPtr.p->m_request.getOnline()) {
    ndbrequire(indexPtr.p->indexState == TableRecord::IS_UNDEFINED);
    indexPtr.p->indexState = TableRecord::IS_OFFLINE;
  } else {
    ndbrequire(indexPtr.p->indexState == TableRecord::IS_ONLINE);
  }
}

void
Dbdict::createIndex_slaveAbort(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
  CreateIndxReq* const req = &opPtr.p->m_request;
  const Uint32 indexId = req->getIndexId();
  if (indexId >= c_tableRecordPool.getSize()) {
    jam();
    return;
  }
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, indexId);
  if (! indexPtr.p->isIndex()) {
    jam();
    return;
  }
  indexPtr.p->indexState = TableRecord::IS_BROKEN;
}

void
Dbdict::createIndex_sendSlaveReq(Signal* signal, OpCreateIndexPtr opPtr)
{
  jam();
  CreateIndxReq* const req = (CreateIndxReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  opPtr.p->m_signalCounter = c_aliveNodes;
  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
  sendSignal(rg, GSN_CREATE_INDX_REQ,
      signal, CreateIndxReq::SignalLength, JBB);
}

void
Dbdict::createIndex_sendReply(Signal* signal, OpCreateIndexPtr opPtr,
    bool toUser)
{
  CreateIndxRef* rep = (CreateIndxRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_CREATE_INDX_CONF;
  Uint32 length = CreateIndxConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == CreateIndxReq::RT_DICT_ABORT)
      sendRef = false;
  } else {
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    sendRef = opPtr.p->hasError();
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    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = CreateIndxConf::SignalLength;
  }
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setIndexId(opPtr.p->m_request.getIndexId());
  rep->setIndexVersion(opPtr.p->m_request.getIndexVersion());
  if (sendRef) {
    if (opPtr.p->m_errorNode == 0)
      opPtr.p->m_errorNode = getOwnNodeId();
    rep->setErrorCode(opPtr.p->m_errorCode);
    rep->setErrorLine(opPtr.p->m_errorLine);
    rep->setErrorNode(opPtr.p->m_errorNode);
    gsn = GSN_CREATE_INDX_REF;
    length = CreateIndxRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/**
 * MODULE: Drop index.
 *
 * Drop index.  First alters the index offline (i.e.  drops metadata in
 * other blocks) and then drops the index table.
 */

void
Dbdict::execDROP_INDX_REQ(Signal* signal)
{
  jamEntry();
  DropIndxReq* const req = (DropIndxReq*)signal->getDataPtrSend();
  OpDropIndexPtr opPtr;
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  int err = DropIndxRef::BadRequestType;
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  const Uint32 senderRef = signal->senderBlockRef();
  const DropIndxReq::RequestType requestType = req->getRequestType();
  if (requestType == DropIndxReq::RT_USER) {
    jam();
    if (signal->getLength() == DropIndxReq::SignalLength) {
      jam();
      if (getOwnNodeId() != c_masterNodeId) {
        jam();
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	err = DropIndxRef::NotMaster;
	goto error;
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      }
      // forward initial request plus operation key to all
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      Uint32 indexId= req->getIndexId();
      Uint32 indexVersion= req->getIndexVersion();
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      if(indexId >= c_tableRecordPool.getSize())
      {
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	err = DropIndxRef::IndexNotFound;
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	goto error;
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      }

      TableRecordPtr tmp;
      c_tableRecordPool.getPtr(tmp, indexId);
      if(tmp.p->tabState == TableRecord::NOT_DEFINED ||
	 tmp.p->tableVersion != indexVersion)
      {
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	err = DropIndxRef::InvalidIndexVersion;
	goto error;
      }
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      if (! tmp.p->isIndex()) {
	jam();
	err = DropIndxRef::NotAnIndex;
	goto error;
      }
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      if (tmp.p->indexState != TableRecord::IS_ONLINE)
        req->addRequestFlag(RequestFlag::RF_FORCE);
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      tmp.p->indexState = TableRecord::IS_DROPPING;

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      req->setOpKey(++c_opRecordSequence);
      NodeReceiverGroup rg(DBDICT, c_aliveNodes);
      sendSignal(rg, GSN_DROP_INDX_REQ,
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		 signal, DropIndxReq::SignalLength + 1, JBB);
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      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == DropIndxReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpDropIndex opBusy;
    if (! c_opDropIndex.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = DropIndxReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = DropIndxRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      dropIndex_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opDropIndex.add(opPtr);
    // master expects to hear from all
    if (opPtr.p->m_isMaster)
      opPtr.p->m_signalCounter = c_aliveNodes;
    dropIndex_slavePrepare(signal, opPtr);
    dropIndex_sendReply(signal, opPtr, false);
    return;
  }
  c_opDropIndex.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == DropIndxReq::RT_DICT_COMMIT ||
        requestType == DropIndxReq::RT_DICT_ABORT) {
      jam();
      if (requestType == DropIndxReq::RT_DICT_COMMIT)
        dropIndex_slaveCommit(signal, opPtr);
      else
        dropIndex_slaveAbort(signal, opPtr);
      dropIndex_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
        c_opDropIndex.release(opPtr);
      return;
    }
  }
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  jam();
  // return to sender
  OpDropIndex opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
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  opPtr.p->m_errorCode = (DropIndxRef::ErrorCode)err;
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  opPtr.p->m_errorLine = __LINE__;
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  opPtr.p->m_errorNode = c_masterNodeId;
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  dropIndex_sendReply(signal, opPtr, true);
}

void
Dbdict::execDROP_INDX_CONF(Signal* signal)
{
  jamEntry();
  DropIndxConf* conf = (DropIndxConf*)signal->getDataPtrSend();
  dropIndex_recvReply(signal, conf, 0);
}

void
Dbdict::execDROP_INDX_REF(Signal* signal) 
{
  jamEntry();
  DropIndxRef* ref = (DropIndxRef*)signal->getDataPtrSend();
  dropIndex_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::dropIndex_recvReply(Signal* signal, const DropIndxConf* conf,
    const DropIndxRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const DropIndxReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == DropIndxReq::RT_TC) {
    jam();
    // part of alter index operation
    OpAlterIndexPtr opPtr;
    c_opAlterIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterIndex_fromDropTc(signal, opPtr);
    return;
  }
  OpDropIndexPtr opPtr;
  c_opDropIndex.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  opPtr.p->setError(ref);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == DropIndxReq::RT_DICT_COMMIT ||
      requestType == DropIndxReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    dropIndex_sendReply(signal, opPtr, true);
    c_opDropIndex.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = DropIndxReq::RT_DICT_ABORT;
    dropIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  if (requestType == DropIndxReq::RT_DICT_PREPARE) {
    jam();
    // start alter offline
    dropIndex_toAlterIndex(signal, opPtr);
    return;
  }
  ndbrequire(false);
}

void
Dbdict::dropIndex_slavePrepare(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
  DropIndxReq* const req = &opPtr.p->m_request;
  // check index exists
  TableRecordPtr indexPtr;
  if (! (req->getIndexId() < c_tableRecordPool.getSize())) {
    jam();
    opPtr.p->m_errorCode = DropIndxRef::IndexNotFound;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  c_tableRecordPool.getPtr(indexPtr, req->getIndexId());
  if (indexPtr.p->tabState != TableRecord::DEFINED) {
    jam();
    opPtr.p->m_errorCode = DropIndxRef::IndexNotFound;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  if (! indexPtr.p->isIndex()) {
    jam();
    opPtr.p->m_errorCode = DropIndxRef::NotAnIndex;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  // ignore incoming primary table id
  req->setTableId(indexPtr.p->primaryTableId);
}

void
Dbdict::dropIndex_toAlterIndex(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
  AlterIndxReq* const req = (AlterIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(AlterIndxReq::RT_DROP_INDEX);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  req->setTableId(opPtr.p->m_request.getTableId());
  req->setIndexId(opPtr.p->m_request.getIndexId());
  req->setIndexVersion(opPtr.p->m_request.getIndexVersion());
  req->setOnline(false);
  sendSignal(reference(), GSN_ALTER_INDX_REQ,
      signal, AlterIndxReq::SignalLength, JBB);
}

void
Dbdict::dropIndex_fromAlterIndex(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = DropIndxReq::RT_DICT_ABORT;
    dropIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  dropIndex_toDropTable(signal, opPtr);
}

void
Dbdict::dropIndex_toDropTable(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
  DropTableReq* const req = (DropTableReq*)signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = opPtr.p->key;
  req->tableId = opPtr.p->m_request.getIndexId();
  req->tableVersion = opPtr.p->m_request.getIndexVersion();
  sendSignal(reference(), GSN_DROP_TABLE_REQ,
      signal,DropTableReq::SignalLength, JBB);
}

void
Dbdict::dropIndex_fromDropTable(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = DropIndxReq::RT_DICT_ABORT;
    dropIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  opPtr.p->m_requestType = DropIndxReq::RT_DICT_COMMIT;
  dropIndex_sendSlaveReq(signal, opPtr);
}

void
Dbdict::dropIndex_slaveCommit(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
}

void
Dbdict::dropIndex_slaveAbort(Signal* signal, OpDropIndexPtr opPtr)
{
  jam();
  DropIndxReq* const req = &opPtr.p->m_request;
  const Uint32 indexId = req->getIndexId();
  if (indexId >= c_tableRecordPool.getSize()) {
    jam();
    return;
  }
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, indexId);
  indexPtr.p->indexState = TableRecord::IS_BROKEN;
}

void
Dbdict::dropIndex_sendSlaveReq(Signal* signal, OpDropIndexPtr opPtr)
{
  DropIndxReq* const req = (DropIndxReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  opPtr.p->m_signalCounter = c_aliveNodes;
  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
  sendSignal(rg, GSN_DROP_INDX_REQ,
      signal, DropIndxReq::SignalLength, JBB);
}

void
Dbdict::dropIndex_sendReply(Signal* signal, OpDropIndexPtr opPtr,
    bool toUser)
{
  DropIndxRef* rep = (DropIndxRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_DROP_INDX_CONF;
  Uint32 length = DropIndxConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == DropIndxReq::RT_DICT_ABORT)
      sendRef = false;
  } else {
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    sendRef = opPtr.p->hasError();
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    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = DropIndxConf::SignalLength;
  }
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setIndexId(opPtr.p->m_request.getIndexId());
  rep->setIndexVersion(opPtr.p->m_request.getIndexVersion());
  if (sendRef) {
    if (opPtr.p->m_errorNode == 0)
      opPtr.p->m_errorNode = getOwnNodeId();
    rep->setErrorCode(opPtr.p->m_errorCode);
    rep->setErrorLine(opPtr.p->m_errorLine);
    rep->setErrorNode(opPtr.p->m_errorNode);
    gsn = GSN_DROP_INDX_REF;
    length = DropIndxRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/*****************************************************
 *
 * Util signalling
 *
 *****************************************************/

int
Dbdict::sendSignalUtilReq(Callback *pcallback,
			  BlockReference ref, 
			  GlobalSignalNumber gsn, 
			  Signal* signal, 
			  Uint32 length, 
			  JobBufferLevel jbuf,
			  LinearSectionPtr ptr[3],
			  Uint32 noOfSections)
{
  jam();
  EVENT_TRACE;
  OpSignalUtilPtr utilRecPtr;

  // Seize a Util Send record
  if (!c_opSignalUtil.seize(utilRecPtr)) {
    // Failed to allocate util record
    return -1;
  }
  utilRecPtr.p->m_callback = *pcallback;

  // should work for all util signal classes
  UtilPrepareReq *req = (UtilPrepareReq*)signal->getDataPtrSend();
  utilRecPtr.p->m_userData = req->getSenderData();
  req->setSenderData(utilRecPtr.i);

  if (ptr) {
    jam();
    sendSignal(ref, gsn, signal, length, jbuf, ptr, noOfSections);
  } else {
    jam();
    sendSignal(ref, gsn, signal, length, jbuf);
  }

  return 0;
}

int
Dbdict::recvSignalUtilReq(Signal* signal, Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  UtilPrepareConf * const req = (UtilPrepareConf*)signal->getDataPtr();
  OpSignalUtilPtr utilRecPtr;
  utilRecPtr.i = req->getSenderData();
  if ((utilRecPtr.p = c_opSignalUtil.getPtr(utilRecPtr.i)) == NULL) {
    jam();
    return -1;
  }

  req->setSenderData(utilRecPtr.p->m_userData);
  Callback c = utilRecPtr.p->m_callback;
  c_opSignalUtil.release(utilRecPtr);

  execute(signal, c, returnCode);
  return 0;
}

void Dbdict::execUTIL_PREPARE_CONF(Signal *signal)
{
  jamEntry();
  EVENT_TRACE;
  ndbrequire(recvSignalUtilReq(signal, 0) == 0);
}

void
Dbdict::execUTIL_PREPARE_REF(Signal *signal)
{
  jamEntry();
  EVENT_TRACE;
  ndbrequire(recvSignalUtilReq(signal, 1) == 0);
}

void Dbdict::execUTIL_EXECUTE_CONF(Signal *signal)
{
  jamEntry();
  EVENT_TRACE;
   ndbrequire(recvSignalUtilReq(signal, 0) == 0);
}

void Dbdict::execUTIL_EXECUTE_REF(Signal *signal)
{
  jamEntry();
  EVENT_TRACE;

#ifdef EVENT_DEBUG
  UtilExecuteRef * ref = (UtilExecuteRef *)signal->getDataPtrSend();

  ndbout_c("execUTIL_EXECUTE_REF");
  ndbout_c("senderData %u",ref->getSenderData());
  ndbout_c("errorCode %u",ref->getErrorCode());
  ndbout_c("TCErrorCode %u",ref->getTCErrorCode());
#endif
  
  ndbrequire(recvSignalUtilReq(signal, 1) == 0);
}
void Dbdict::execUTIL_RELEASE_CONF(Signal *signal)
{
  jamEntry();
  EVENT_TRACE;
  ndbrequire(false);
  ndbrequire(recvSignalUtilReq(signal, 0) == 0);
}
void Dbdict::execUTIL_RELEASE_REF(Signal *signal)
{
  jamEntry();
  EVENT_TRACE;
  ndbrequire(false);
  ndbrequire(recvSignalUtilReq(signal, 1) == 0);
}

/**
 * MODULE: Create event
 *
 * Create event in DICT.
 * 
 *
 * Request type in CREATE_EVNT signals:
 *
 * Signalflow see Dbdict.txt
 *
 */

/*****************************************************************
 *
 * Systable stuff
 *
 */

const Uint32 Dbdict::sysTab_NDBEVENTS_0_szs[EVENT_SYSTEM_TABLE_LENGTH] = {
  sizeof(((sysTab_NDBEVENTS_0*)0)->NAME),
  sizeof(((sysTab_NDBEVENTS_0*)0)->EVENT_TYPE),
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  sizeof(((sysTab_NDBEVENTS_0*)0)->TABLEID),
  sizeof(((sysTab_NDBEVENTS_0*)0)->TABLEVERSION),
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  sizeof(((sysTab_NDBEVENTS_0*)0)->TABLE_NAME),
  sizeof(((sysTab_NDBEVENTS_0*)0)->ATTRIBUTE_MASK),
  sizeof(((sysTab_NDBEVENTS_0*)0)->SUBID),
  sizeof(((sysTab_NDBEVENTS_0*)0)->SUBKEY)
};

void
Dbdict::prepareTransactionEventSysTable (Callback *pcallback,
					 Signal* signal,
					 Uint32 senderData,
					 UtilPrepareReq::OperationTypeValue prepReq)
{
  // find table id for event system table
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  DictObject * opj_ptr_p = get_object(EVENT_SYSTEM_TABLE_NAME,
				      sizeof(EVENT_SYSTEM_TABLE_NAME));
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  ndbrequire(opj_ptr_p != 0);
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  TableRecordPtr tablePtr;
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  c_tableRecordPool.getPtr(tablePtr, opj_ptr_p->m_id);
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  ndbrequire(tablePtr.i != RNIL); // system table must exist
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  Uint32 tableId = tablePtr.p->tableId; /* System table */
  Uint32 noAttr = tablePtr.p->noOfAttributes;
  ndbrequire(noAttr == EVENT_SYSTEM_TABLE_LENGTH);
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  switch (prepReq) {
  case UtilPrepareReq::Update:
  case UtilPrepareReq::Insert:
  case UtilPrepareReq::Write:
  case UtilPrepareReq::Read:
    jam();
    break;
  case UtilPrepareReq::Delete:
    jam();
    noAttr = 1; // only involves Primary key which should be the first
    break;
  }
  prepareUtilTransaction(pcallback, signal, senderData, tableId, NULL,
		      prepReq, noAttr, NULL, NULL);
}

void
Dbdict::prepareUtilTransaction(Callback *pcallback,
			       Signal* signal,
			       Uint32 senderData,
			       Uint32 tableId,
			       const char* tableName,
			       UtilPrepareReq::OperationTypeValue prepReq,
			       Uint32 noAttr,
			       Uint32 attrIds[],
			       const char *attrNames[])
{
  jam();
  EVENT_TRACE;

  UtilPrepareReq * utilPrepareReq = 
    (UtilPrepareReq *)signal->getDataPtrSend();
  
  utilPrepareReq->setSenderRef(reference());
  utilPrepareReq->setSenderData(senderData);

  const Uint32 pageSizeInWords = 128;
  Uint32 propPage[pageSizeInWords];
  LinearWriter w(&propPage[0],128);
  w.first();
  w.add(UtilPrepareReq::NoOfOperations, 1);
  w.add(UtilPrepareReq::OperationType, prepReq);
  if (tableName) {
    jam();
    w.add(UtilPrepareReq::TableName, tableName);
  } else {
    jam();
    w.add(UtilPrepareReq::TableId, tableId);
  }
  for(Uint32 i = 0; i < noAttr; i++)
    if (tableName) {
      jam();
      w.add(UtilPrepareReq::AttributeName, attrNames[i]);
    } else {
      if (attrIds) {
	jam();
	w.add(UtilPrepareReq::AttributeId, attrIds[i]);
      } else {
	jam();
	w.add(UtilPrepareReq::AttributeId, i);
      }
    }
#ifdef EVENT_DEBUG
  // Debugging
  SimplePropertiesLinearReader reader(propPage, w.getWordsUsed());
  printf("Dict::prepareInsertTransactions: Sent SimpleProperties:\n");
  reader.printAll(ndbout);
#endif

  struct LinearSectionPtr sectionsPtr[UtilPrepareReq::NoOfSections];
  sectionsPtr[UtilPrepareReq::PROPERTIES_SECTION].p = propPage;
  sectionsPtr[UtilPrepareReq::PROPERTIES_SECTION].sz = w.getWordsUsed();

  sendSignalUtilReq(pcallback, DBUTIL_REF, GSN_UTIL_PREPARE_REQ, signal,
		    UtilPrepareReq::SignalLength, JBB, 
		    sectionsPtr, UtilPrepareReq::NoOfSections);
}

/*****************************************************************
 *
 * CREATE_EVNT_REQ has three types RT_CREATE, RT_GET (from user)
 * and RT_DICT_AFTER_GET send from master DICT to slaves
 *
 * This function just dscpaches these to
 *
 * createEvent_RT_USER_CREATE
 * createEvent_RT_USER_GET
 * createEvent_RT_DICT_AFTER_GET
 *
 * repectively
 *
 */

void
Dbdict::execCREATE_EVNT_REQ(Signal* signal)
{
  jamEntry();

#if 0
  {
    SafeCounterHandle handle;
    {
      SafeCounter tmp(c_counterMgr, handle);
      tmp.init<CreateEvntRef>(CMVMI, GSN_DUMP_STATE_ORD, /* senderData */ 13);
      tmp.clearWaitingFor();
      tmp.setWaitingFor(3);
      ndbrequire(!tmp.done());
      ndbout_c("Allocted");
    }
    ndbrequire(!handle.done());
    {
      SafeCounter tmp(c_counterMgr, handle);
      tmp.clearWaitingFor(3);
      ndbrequire(tmp.done());
      ndbout_c("Deallocted");
    }
    ndbrequire(handle.done());
  }
  {
    NodeBitmask nodes;
    nodes.clear();

    nodes.set(2);
    nodes.set(3);
    nodes.set(4);
    nodes.set(5);

    {
      Uint32 i = 0;
      while((i = nodes.find(i)) != NodeBitmask::NotFound){
	ndbout_c("1 Node id = %u", i);
	i++;
      }
    }

    NodeReceiverGroup rg(DBDICT, nodes);
    RequestTracker rt2;
    ndbrequire(rt2.done());
    ndbrequire(!rt2.hasRef());
    ndbrequire(!rt2.hasConf());
    rt2.init<CreateEvntRef>(c_counterMgr, rg, GSN_CREATE_EVNT_REF, 13);

    RequestTracker rt3;
    rt3.init<CreateEvntRef>(c_counterMgr, rg, GSN_CREATE_EVNT_REF, 13);

    ndbrequire(!rt2.done());
    ndbrequire(!rt3.done());

    rt2.reportRef(c_counterMgr, 2);
    rt3.reportConf(c_counterMgr, 2);

    ndbrequire(!rt2.done());
    ndbrequire(!rt3.done());

    rt2.reportConf(c_counterMgr, 3);
    rt3.reportConf(c_counterMgr, 3);

    ndbrequire(!rt2.done());
    ndbrequire(!rt3.done());

    rt2.reportConf(c_counterMgr, 4);
    rt3.reportConf(c_counterMgr, 4);

    ndbrequire(!rt2.done());
    ndbrequire(!rt3.done());

    rt2.reportConf(c_counterMgr, 5);
    rt3.reportConf(c_counterMgr, 5);

    ndbrequire(rt2.done());
    ndbrequire(rt3.done());
  }
#endif

  if (! assembleFragments(signal)) {
    jam();
    return;
  }

  CreateEvntReq *req = (CreateEvntReq*)signal->getDataPtr();
  const CreateEvntReq::RequestType requestType = req->getRequestType();
  const Uint32                     requestFlag = req->getRequestFlag();

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  if (refToBlock(signal->senderBlockRef()) != DBDICT &&
      getOwnNodeId() != c_masterNodeId)
  {
    jam();
    releaseSections(signal);
    
    CreateEvntRef * ref = (CreateEvntRef *)signal->getDataPtrSend();
    ref->setUserRef(reference());
    ref->setErrorCode(CreateEvntRef::NotMaster);
    ref->setErrorLine(__LINE__);
    ref->setErrorNode(reference());
    ref->setMasterNode(c_masterNodeId);
    sendSignal(signal->senderBlockRef(), GSN_CREATE_EVNT_REF, signal,
	       CreateEvntRef::SignalLength2, JBB);
    return;
  }

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  OpCreateEventPtr evntRecPtr;
  // Seize a Create Event record
  if (!c_opCreateEvent.seize(evntRecPtr)) {
    // Failed to allocate event record
    jam();
    releaseSections(signal);

    CreateEvntRef * ret = (CreateEvntRef *)signal->getDataPtrSend();
    ret->senderRef = reference();
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    ret->setErrorCode(747);
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    ret->setErrorLine(__LINE__);
    ret->setErrorNode(reference());
    sendSignal(signal->senderBlockRef(), GSN_CREATE_EVNT_REF, signal,
	       CreateEvntRef::SignalLength, JBB);
    return;
  }

#ifdef EVENT_DEBUG
  ndbout_c("DBDICT::execCREATE_EVNT_REQ from %u evntRecId = (%d)", refToNode(signal->getSendersBlockRef()), evntRecPtr.i);
#endif
  
  ndbrequire(req->getUserRef() == signal->getSendersBlockRef());

  evntRecPtr.p->init(req,this);

  if (requestFlag & (Uint32)CreateEvntReq::RT_DICT_AFTER_GET) {
    jam();
    EVENT_TRACE;
    createEvent_RT_DICT_AFTER_GET(signal, evntRecPtr);
    return;
  }
  if (requestType == CreateEvntReq::RT_USER_GET) {
    jam();
    EVENT_TRACE;
    createEvent_RT_USER_GET(signal, evntRecPtr);
    return;
  }
  if (requestType == CreateEvntReq::RT_USER_CREATE) {
    jam();
    EVENT_TRACE;
    createEvent_RT_USER_CREATE(signal, evntRecPtr);
    return;
  }

#ifdef EVENT_DEBUG
  ndbout << "Dbdict.cpp: Dbdict::execCREATE_EVNT_REQ other" << endl;
#endif
  jam();
  releaseSections(signal);
    
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  evntRecPtr.p->m_errorCode = 1;
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  evntRecPtr.p->m_errorLine = __LINE__;
  evntRecPtr.p->m_errorNode = reference();
  
  createEvent_sendReply(signal, evntRecPtr);
}

/********************************************************************
 *
 * Event creation
 *
 *****************************************************************/

void
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Dbdict::createEvent_RT_USER_CREATE(Signal* signal, OpCreateEventPtr evntRecPtr)
{
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  jam();
8945
  DBUG_ENTER("Dbdict::createEvent_RT_USER_CREATE");
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  evntRecPtr.p->m_request.setUserRef(signal->senderBlockRef());

#ifdef EVENT_DEBUG
  ndbout << "Dbdict.cpp: Dbdict::execCREATE_EVNT_REQ RT_USER" << endl;
  char buf[128] = {0};
  AttributeMask mask = evntRecPtr.p->m_request.getAttrListBitmask(); 
  mask.getText(buf);
  ndbout_c("mask = %s", buf);
#endif

  // Interpret the long signal

  SegmentedSectionPtr ssPtr;
  // save name and event properties
  signal->getSection(ssPtr, CreateEvntReq::EVENT_NAME_SECTION);

  SimplePropertiesSectionReader r0(ssPtr, getSectionSegmentPool());
#ifdef EVENT_DEBUG
  r0.printAll(ndbout);
#endif
    // event name
  if ((!r0.first()) ||
      (r0.getValueType() != SimpleProperties::StringValue) ||
      (r0.getValueLen() <= 0)) {
    jam();
    releaseSections(signal);

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    evntRecPtr.p->m_errorCode = 1;
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    evntRecPtr.p->m_errorLine = __LINE__;
    evntRecPtr.p->m_errorNode = reference();

    createEvent_sendReply(signal, evntRecPtr);
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    DBUG_VOID_RETURN;
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  }
  r0.getString(evntRecPtr.p->m_eventRec.NAME);
  {
    int len = strlen(evntRecPtr.p->m_eventRec.NAME);
    memset(evntRecPtr.p->m_eventRec.NAME+len, 0, MAX_TAB_NAME_SIZE-len);
#ifdef EVENT_DEBUG
    printf("CreateEvntReq::RT_USER_CREATE; EventName %s, len %u\n",
	   evntRecPtr.p->m_eventRec.NAME, len);
    for(int i = 0; i < MAX_TAB_NAME_SIZE/4; i++)
      printf("H'%.8x ", ((Uint32*)evntRecPtr.p->m_eventRec.NAME)[i]);
    printf("\n");
#endif
  }
  // table name
  if ((!r0.next()) ||
      (r0.getValueType() != SimpleProperties::StringValue) ||
      (r0.getValueLen() <= 0)) {
    jam();
    releaseSections(signal);
    
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    evntRecPtr.p->m_errorCode = 1;
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    evntRecPtr.p->m_errorLine = __LINE__;
    evntRecPtr.p->m_errorNode = reference();
    
    createEvent_sendReply(signal, evntRecPtr);
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    DBUG_VOID_RETURN;
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  }
  r0.getString(evntRecPtr.p->m_eventRec.TABLE_NAME);
  {
    int len = strlen(evntRecPtr.p->m_eventRec.TABLE_NAME);
    memset(evntRecPtr.p->m_eventRec.TABLE_NAME+len, 0, MAX_TAB_NAME_SIZE-len);
  }
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  releaseSections(signal);
  
  // Send request to SUMA

  CreateSubscriptionIdReq * sumaIdReq =
    (CreateSubscriptionIdReq *)signal->getDataPtrSend();
  
  // make sure we save the original sender for later
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  sumaIdReq->senderRef  = reference();
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  sumaIdReq->senderData = evntRecPtr.i;
#ifdef EVENT_DEBUG
  ndbout << "sumaIdReq->senderData = " << sumaIdReq->senderData << endl;
#endif
  sendSignal(SUMA_REF, GSN_CREATE_SUBID_REQ, signal, 
	     CreateSubscriptionIdReq::SignalLength, JBB);
  // we should now return in either execCREATE_SUBID_CONF
  // or execCREATE_SUBID_REF
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  DBUG_VOID_RETURN;
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}

void Dbdict::execCREATE_SUBID_REF(Signal* signal)
{
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  jamEntry();
  DBUG_ENTER("Dbdict::execCREATE_SUBID_REF");
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  CreateSubscriptionIdRef * const ref =
    (CreateSubscriptionIdRef *)signal->getDataPtr();
  OpCreateEventPtr evntRecPtr;

  evntRecPtr.i = ref->senderData;
  ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);

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  if (ref->errorCode)
  {
    evntRecPtr.p->m_errorCode = ref->errorCode;
    evntRecPtr.p->m_errorLine = __LINE__;
  }
  else
  {
    evntRecPtr.p->m_errorCode = 1;
    evntRecPtr.p->m_errorLine = __LINE__;
  }
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  evntRecPtr.p->m_errorNode = reference();

  createEvent_sendReply(signal, evntRecPtr);
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  DBUG_VOID_RETURN;
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}

void Dbdict::execCREATE_SUBID_CONF(Signal* signal)
{
  jamEntry();
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  DBUG_ENTER("Dbdict::execCREATE_SUBID_CONF");
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  CreateSubscriptionIdConf const * sumaIdConf =
    (CreateSubscriptionIdConf *)signal->getDataPtr();

  Uint32 evntRecId = sumaIdConf->senderData;
  OpCreateEvent *evntRec;

  ndbrequire((evntRec = c_opCreateEvent.getPtr(evntRecId)) != NULL);

  evntRec->m_request.setEventId(sumaIdConf->subscriptionId);
  evntRec->m_request.setEventKey(sumaIdConf->subscriptionKey);

  releaseSections(signal);

  Callback c = { safe_cast(&Dbdict::createEventUTIL_PREPARE), 0 };

  prepareTransactionEventSysTable(&c, signal, evntRecId,
				  UtilPrepareReq::Insert);
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  DBUG_VOID_RETURN;
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}

void
Dbdict::createEventComplete_RT_USER_CREATE(Signal* signal,
					   OpCreateEventPtr evntRecPtr){
  jam();
  createEvent_sendReply(signal, evntRecPtr);
}

/*********************************************************************
 *
 * UTIL_PREPARE, UTIL_EXECUTE
 *
 * insert or read systable NDB$EVENTS_0
 */

void interpretUtilPrepareErrorCode(UtilPrepareRef::ErrorCode errorCode,
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				   Uint32& error, Uint32& line)
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{
9101
  DBUG_ENTER("interpretUtilPrepareErrorCode");
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  switch (errorCode) {
  case UtilPrepareRef::NO_ERROR:
    jam();
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    error = 1;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  case UtilPrepareRef::PREPARE_SEIZE_ERROR:
    jam();
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    error = 748;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  case UtilPrepareRef::PREPARE_PAGES_SEIZE_ERROR:
    jam();
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    error = 1;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  case UtilPrepareRef::PREPARED_OPERATION_SEIZE_ERROR:
    jam();
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    error = 1;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  case UtilPrepareRef::DICT_TAB_INFO_ERROR:
    jam();
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    error = 1;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  case UtilPrepareRef::MISSING_PROPERTIES_SECTION:
    jam();
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    error = 1;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  default:
    jam();
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    error = 1;
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    line = __LINE__;
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    DBUG_VOID_RETURN;
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  }
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  DBUG_VOID_RETURN;
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}

void 
Dbdict::createEventUTIL_PREPARE(Signal* signal,
				Uint32 callbackData,
				Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  if (returnCode == 0) {
    UtilPrepareConf* const req = (UtilPrepareConf*)signal->getDataPtr();
    OpCreateEventPtr evntRecPtr;
    jam();
    evntRecPtr.i = req->getSenderData();
    const Uint32 prepareId = req->getPrepareId();
    
    ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);
    
    Callback c = { safe_cast(&Dbdict::createEventUTIL_EXECUTE), 0 };

    switch (evntRecPtr.p->m_requestType) {
    case CreateEvntReq::RT_USER_GET:
      jam();
      executeTransEventSysTable(&c, signal,
				evntRecPtr.i, evntRecPtr.p->m_eventRec,
				prepareId, UtilPrepareReq::Read);
      break;
    case CreateEvntReq::RT_USER_CREATE:
      {
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	evntRecPtr.p->m_eventRec.EVENT_TYPE =
          evntRecPtr.p->m_request.getEventType() | evntRecPtr.p->m_request.getReportFlags();
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	evntRecPtr.p->m_eventRec.TABLEID  = evntRecPtr.p->m_request.getTableId();
	evntRecPtr.p->m_eventRec.TABLEVERSION=evntRecPtr.p->m_request.getTableVersion();
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	AttributeMask m = evntRecPtr.p->m_request.getAttrListBitmask();
	memcpy(evntRecPtr.p->m_eventRec.ATTRIBUTE_MASK, &m,
	       sizeof(evntRecPtr.p->m_eventRec.ATTRIBUTE_MASK));
	evntRecPtr.p->m_eventRec.SUBID  = evntRecPtr.p->m_request.getEventId();
	evntRecPtr.p->m_eventRec.SUBKEY = evntRecPtr.p->m_request.getEventKey();
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	DBUG_PRINT("info",
		   ("CREATE: event name: %s table name: %s table id: %u table version: %u",
		    evntRecPtr.p->m_eventRec.NAME,
		    evntRecPtr.p->m_eventRec.TABLE_NAME,
		    evntRecPtr.p->m_eventRec.TABLEID,
		    evntRecPtr.p->m_eventRec.TABLEVERSION));
  
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      }
      jam();
      executeTransEventSysTable(&c, signal,
				evntRecPtr.i, evntRecPtr.p->m_eventRec,
				prepareId, UtilPrepareReq::Insert);
      break;
    default:
#ifdef EVENT_DEBUG
      printf("type = %d\n", evntRecPtr.p->m_requestType);
      printf("bet type = %d\n", CreateEvntReq::RT_USER_GET);
      printf("create type = %d\n", CreateEvntReq::RT_USER_CREATE);
#endif
      ndbrequire(false);
    }
  } else { // returnCode != 0
    UtilPrepareRef* const ref = (UtilPrepareRef*)signal->getDataPtr();

    const UtilPrepareRef::ErrorCode errorCode =
      (UtilPrepareRef::ErrorCode)ref->getErrorCode();

    OpCreateEventPtr evntRecPtr;
    evntRecPtr.i = ref->getSenderData();
    ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);

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    Uint32 err;
    interpretUtilPrepareErrorCode(errorCode, evntRecPtr.p->m_errorCode,
				  evntRecPtr.p->m_errorLine);
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    evntRecPtr.p->m_errorNode = reference();

    createEvent_sendReply(signal, evntRecPtr);
  }
}

void Dbdict::executeTransEventSysTable(Callback *pcallback, Signal *signal,
				       const Uint32 ptrI,
				       sysTab_NDBEVENTS_0& m_eventRec,
				       const Uint32 prepareId,
				       UtilPrepareReq::OperationTypeValue prepReq)
{
  jam();
  const Uint32 noAttr = EVENT_SYSTEM_TABLE_LENGTH;
  Uint32 total_len = 0;

  Uint32* attrHdr = signal->theData + 25;
  Uint32* attrPtr = attrHdr;

  Uint32 id=0;
  // attribute 0 event name: Primary Key
  {
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    AttributeHeader::init(attrPtr, id, sysTab_NDBEVENTS_0_szs[id]);
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    total_len += sysTab_NDBEVENTS_0_szs[id];
    attrPtr++; id++;
  }

  switch (prepReq) {
  case UtilPrepareReq::Read:
    jam();
    EVENT_TRACE;
    // no more
    while ( id < noAttr )
      AttributeHeader::init(attrPtr++, id++, 0);
    ndbrequire(id == (Uint32) noAttr);
    break;
  case UtilPrepareReq::Insert:
    jam();
    EVENT_TRACE;
    while ( id < noAttr ) {
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      AttributeHeader::init(attrPtr, id, sysTab_NDBEVENTS_0_szs[id]);
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      total_len += sysTab_NDBEVENTS_0_szs[id];
      attrPtr++; id++;
    }
    ndbrequire(id == (Uint32) noAttr);
    break;
  case UtilPrepareReq::Delete:
    ndbrequire(id == 1);
    break;
  default:
    ndbrequire(false);
  }
    
  LinearSectionPtr headerPtr;
  LinearSectionPtr dataPtr;
    
  headerPtr.p = attrHdr;
  headerPtr.sz = noAttr;
    
  dataPtr.p = (Uint32*)&m_eventRec;
  dataPtr.sz = total_len/4;

  ndbrequire((total_len == sysTab_NDBEVENTS_0_szs[0]) ||
	     (total_len == sizeof(sysTab_NDBEVENTS_0)));

#if 0
    printf("Header size %u\n", headerPtr.sz);
    for(int i = 0; i < (int)headerPtr.sz; i++)
      printf("H'%.8x ", attrHdr[i]);
    printf("\n");
    
    printf("Data size %u\n", dataPtr.sz);
    for(int i = 0; i < (int)dataPtr.sz; i++)
      printf("H'%.8x ", dataPage[i]);
    printf("\n");
#endif

  executeTransaction(pcallback, signal, 
		     ptrI,
		     prepareId,
		     id,
		     headerPtr,
		     dataPtr);
}

void Dbdict::executeTransaction(Callback *pcallback,
				Signal* signal, 
				Uint32 senderData,
				Uint32 prepareId,
				Uint32 noAttr,
				LinearSectionPtr headerPtr,
				LinearSectionPtr dataPtr)
{
  jam();
  EVENT_TRACE;

  UtilExecuteReq * utilExecuteReq = 
    (UtilExecuteReq *)signal->getDataPtrSend();

  utilExecuteReq->setSenderRef(reference());
  utilExecuteReq->setSenderData(senderData);
  utilExecuteReq->setPrepareId(prepareId);
  utilExecuteReq->setReleaseFlag(); // must be done after setting prepareId

#if 0
  printf("Header size %u\n", headerPtr.sz);
  for(int i = 0; i < (int)headerPtr.sz; i++)
    printf("H'%.8x ", headerBuffer[i]);
  printf("\n");
  
  printf("Data size %u\n", dataPtr.sz);
  for(int i = 0; i < (int)dataPtr.sz; i++)
    printf("H'%.8x ", dataBuffer[i]);
  printf("\n");
#endif

  struct LinearSectionPtr sectionsPtr[UtilExecuteReq::NoOfSections];
  sectionsPtr[UtilExecuteReq::HEADER_SECTION].p = headerPtr.p;
  sectionsPtr[UtilExecuteReq::HEADER_SECTION].sz = noAttr;
  sectionsPtr[UtilExecuteReq::DATA_SECTION].p = dataPtr.p;
  sectionsPtr[UtilExecuteReq::DATA_SECTION].sz = dataPtr.sz;

  sendSignalUtilReq(pcallback, DBUTIL_REF, GSN_UTIL_EXECUTE_REQ, signal,
		    UtilExecuteReq::SignalLength, JBB,
		    sectionsPtr, UtilExecuteReq::NoOfSections);
}

void Dbdict::parseReadEventSys(Signal* signal, sysTab_NDBEVENTS_0& m_eventRec)
{
  SegmentedSectionPtr headerPtr, dataPtr;
  jam();
  signal->getSection(headerPtr, UtilExecuteReq::HEADER_SECTION);
  SectionReader headerReader(headerPtr, getSectionSegmentPool());
      
  signal->getSection(dataPtr, UtilExecuteReq::DATA_SECTION);
  SectionReader dataReader(dataPtr, getSectionSegmentPool());
  
  AttributeHeader header;
  Uint32 *dst = (Uint32*)&m_eventRec;

  for (int i = 0; i < EVENT_SYSTEM_TABLE_LENGTH; i++) {
    headerReader.getWord((Uint32 *)&header);
    int sz = header.getDataSize();
    for (int i=0; i < sz; i++)
      dataReader.getWord(dst++);
  }

  ndbrequire( ((char*)dst-(char*)&m_eventRec) == sizeof(m_eventRec) );

  releaseSections(signal);
}
    
void Dbdict::createEventUTIL_EXECUTE(Signal *signal, 
				     Uint32 callbackData,
				     Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  if (returnCode == 0) {
    // Entry into system table all set
    UtilExecuteConf* const conf = (UtilExecuteConf*)signal->getDataPtr();
    jam();
    OpCreateEventPtr evntRecPtr;
    evntRecPtr.i = conf->getSenderData();
    
    ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);
    OpCreateEvent *evntRec = evntRecPtr.p;
    
    switch (evntRec->m_requestType) {
    case CreateEvntReq::RT_USER_GET: {
      parseReadEventSys(signal, evntRecPtr.p->m_eventRec);

      evntRec->m_request.setEventType(evntRecPtr.p->m_eventRec.EVENT_TYPE);
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      evntRec->m_request.setReportFlags(evntRecPtr.p->m_eventRec.EVENT_TYPE);
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      evntRec->m_request.setTableId(evntRecPtr.p->m_eventRec.TABLEID);
      evntRec->m_request.setTableVersion(evntRecPtr.p->m_eventRec.TABLEVERSION);
      evntRec->m_request.setAttrListBitmask(*(AttributeMask*)
					    evntRecPtr.p->m_eventRec.ATTRIBUTE_MASK);
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      evntRec->m_request.setEventId(evntRecPtr.p->m_eventRec.SUBID);
      evntRec->m_request.setEventKey(evntRecPtr.p->m_eventRec.SUBKEY);

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      DBUG_PRINT("info",
		 ("GET: event name: %s table name: %s table id: %u table version: %u",
		  evntRecPtr.p->m_eventRec.NAME,
		  evntRecPtr.p->m_eventRec.TABLE_NAME,
		  evntRecPtr.p->m_eventRec.TABLEID,
		  evntRecPtr.p->m_eventRec.TABLEVERSION));
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      // find table id for event table
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      DictObject* obj_ptr_p = get_object(evntRecPtr.p->m_eventRec.TABLE_NAME);
      if(!obj_ptr_p){
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	jam();
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	evntRecPtr.p->m_errorCode = 723;
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	evntRecPtr.p->m_errorLine = __LINE__;
	evntRecPtr.p->m_errorNode = reference();
	
	createEvent_sendReply(signal, evntRecPtr);
	return;
      }
      
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      TableRecordPtr tablePtr;
      c_tableRecordPool.getPtr(tablePtr, obj_ptr_p->m_id);
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      evntRec->m_request.setTableId(tablePtr.p->tableId);
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      evntRec->m_request.setTableVersion(tablePtr.p->tableVersion);
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      createEventComplete_RT_USER_GET(signal, evntRecPtr);
      return;
    }
    case CreateEvntReq::RT_USER_CREATE: {
#ifdef EVENT_DEBUG
      printf("create type = %d\n", CreateEvntReq::RT_USER_CREATE);
#endif
      jam();
      createEventComplete_RT_USER_CREATE(signal, evntRecPtr);
      return;
    }
      break;
    default:
      ndbrequire(false);
    }
  } else { // returnCode != 0
    UtilExecuteRef * const ref = (UtilExecuteRef *)signal->getDataPtr();
    OpCreateEventPtr evntRecPtr;
    evntRecPtr.i = ref->getSenderData();
    ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);
    jam();
    evntRecPtr.p->m_errorNode = reference();
    evntRecPtr.p->m_errorLine = __LINE__;

    switch (ref->getErrorCode()) {
    case UtilExecuteRef::TCError:
      switch (ref->getTCErrorCode()) {
      case ZNOT_FOUND:
	jam();
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	evntRecPtr.p->m_errorCode = 4710;
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	break;
      case ZALREADYEXIST:
	jam();
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	evntRecPtr.p->m_errorCode = 746;
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	break;
      default:
	jam();
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	evntRecPtr.p->m_errorCode = ref->getTCErrorCode();
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	break;
      }
      break;
    default:
      jam();
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      evntRecPtr.p->m_errorCode = ref->getErrorCode();
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      break;
    }
    
    createEvent_sendReply(signal, evntRecPtr);
  }
}

/***********************************************************************
 *
 * NdbEventOperation, reading systable, creating event in suma
 *
 */

void
Dbdict::createEvent_RT_USER_GET(Signal* signal, OpCreateEventPtr evntRecPtr){
  jam();
  EVENT_TRACE;
#ifdef EVENT_PH2_DEBUG
  ndbout_c("DBDICT(Coordinator) got GSN_CREATE_EVNT_REQ::RT_USER_GET evntRecPtr.i = (%d), ref = %u", evntRecPtr.i, evntRecPtr.p->m_request.getUserRef());
#endif

  SegmentedSectionPtr ssPtr;

  signal->getSection(ssPtr, 0);

  SimplePropertiesSectionReader r0(ssPtr, getSectionSegmentPool());
#ifdef EVENT_DEBUG
  r0.printAll(ndbout);
#endif
  if ((!r0.first()) ||
      (r0.getValueType() != SimpleProperties::StringValue) ||
      (r0.getValueLen() <= 0)) {
    jam();
    releaseSections(signal);

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    evntRecPtr.p->m_errorCode = 1;
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    evntRecPtr.p->m_errorLine = __LINE__;
    evntRecPtr.p->m_errorNode = reference();

    createEvent_sendReply(signal, evntRecPtr);
    return;
  }

  r0.getString(evntRecPtr.p->m_eventRec.NAME);
  int len = strlen(evntRecPtr.p->m_eventRec.NAME);
  memset(evntRecPtr.p->m_eventRec.NAME+len, 0, MAX_TAB_NAME_SIZE-len);
  
  releaseSections(signal);
  
  Callback c = { safe_cast(&Dbdict::createEventUTIL_PREPARE), 0 };
  
  prepareTransactionEventSysTable(&c, signal, evntRecPtr.i,
				  UtilPrepareReq::Read);
  /* 
   * Will read systable and fill an OpCreateEventPtr
   * and return below
   */
}

void
Dbdict::createEventComplete_RT_USER_GET(Signal* signal,
					OpCreateEventPtr evntRecPtr){
  jam();

  // Send to oneself and the other DICT's
  CreateEvntReq * req = (CreateEvntReq *)signal->getDataPtrSend();
      
  *req = evntRecPtr.p->m_request;
  req->senderRef = reference();
  req->senderData = evntRecPtr.i;
      
  req->addRequestFlag(CreateEvntReq::RT_DICT_AFTER_GET);
      
#ifdef EVENT_PH2_DEBUG
  ndbout_c("DBDICT(Coordinator) sending GSN_CREATE_EVNT_REQ::RT_DICT_AFTER_GET to DBDICT participants evntRecPtr.i = (%d)", evntRecPtr.i);
#endif

  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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  RequestTracker & p = evntRecPtr.p->m_reqTracker;
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  if (!p.init<CreateEvntRef>(c_counterMgr, rg, GSN_CREATE_EVNT_REF, 
			     evntRecPtr.i))
  {
    jam();
    evntRecPtr.p->m_errorCode = 701;
    createEvent_sendReply(signal, evntRecPtr);
    return;
  }
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  sendSignal(rg, GSN_CREATE_EVNT_REQ, signal, CreateEvntReq::SignalLength, JBB);
}

void
Dbdict::createEvent_nodeFailCallback(Signal* signal, Uint32 eventRecPtrI,
				     Uint32 returnCode){
  OpCreateEventPtr evntRecPtr;
  c_opCreateEvent.getPtr(evntRecPtr, eventRecPtrI);
  createEvent_sendReply(signal, evntRecPtr);
}

void Dbdict::execCREATE_EVNT_REF(Signal* signal) 
{
  jamEntry();      
  EVENT_TRACE;
  CreateEvntRef * const ref = (CreateEvntRef *)signal->getDataPtr();
  OpCreateEventPtr evntRecPtr;

  evntRecPtr.i = ref->getUserData();

  ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);

#ifdef EVENT_PH2_DEBUG
  ndbout_c("DBDICT(Coordinator) got GSN_CREATE_EVNT_REF evntRecPtr.i = (%d)", evntRecPtr.i);
#endif

  if (ref->errorCode == CreateEvntRef::NF_FakeErrorREF){
    jam();
    evntRecPtr.p->m_reqTracker.ignoreRef(c_counterMgr, refToNode(ref->senderRef));
  } else {
    jam();
    evntRecPtr.p->m_reqTracker.reportRef(c_counterMgr, refToNode(ref->senderRef));
  }
  createEvent_sendReply(signal, evntRecPtr);

  return;
}

void Dbdict::execCREATE_EVNT_CONF(Signal* signal)
{
  jamEntry();
  EVENT_TRACE;
  CreateEvntConf * const conf = (CreateEvntConf *)signal->getDataPtr();
  OpCreateEventPtr evntRecPtr;

  evntRecPtr.i = conf->getUserData();

  ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);

#ifdef EVENT_PH2_DEBUG
  ndbout_c("DBDICT(Coordinator) got GSN_CREATE_EVNT_CONF evntRecPtr.i = (%d)", evntRecPtr.i);
#endif

  evntRecPtr.p->m_reqTracker.reportConf(c_counterMgr, refToNode(conf->senderRef));

  // we will only have a valid tablename if it the master DICT sending this
  // but that's ok
  LinearSectionPtr ptr[1];
  ptr[0].p = (Uint32 *)evntRecPtr.p->m_eventRec.TABLE_NAME;
  ptr[0].sz =
    (strlen(evntRecPtr.p->m_eventRec.TABLE_NAME)+4)/4; // to make sure we have a null

  createEvent_sendReply(signal, evntRecPtr, ptr, 1);
    
  return;
}

/************************************************
 *
 * Participant stuff
 *
 */

void
Dbdict::createEvent_RT_DICT_AFTER_GET(Signal* signal, OpCreateEventPtr evntRecPtr){
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  DBUG_ENTER("Dbdict::createEvent_RT_DICT_AFTER_GET");
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  jam();
  evntRecPtr.p->m_request.setUserRef(signal->senderBlockRef());
  
#ifdef EVENT_PH2_DEBUG
  ndbout_c("DBDICT(Participant) got CREATE_EVNT_REQ::RT_DICT_AFTER_GET evntRecPtr.i = (%d)", evntRecPtr.i);
#endif

  // the signal comes from the DICT block that got the first user request!
  // This code runs on all DICT nodes, including oneself

  // Seize a Create Event record, the Coordinator will now have two seized
  // but that's ok, it's like a recursion

  SubCreateReq * sumaReq = (SubCreateReq *)signal->getDataPtrSend();
  
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  sumaReq->senderRef        = reference(); // reference to DICT
  sumaReq->senderData       = evntRecPtr.i;
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  sumaReq->subscriptionId   = evntRecPtr.p->m_request.getEventId();
  sumaReq->subscriptionKey  = evntRecPtr.p->m_request.getEventKey();
  sumaReq->subscriptionType = SubCreateReq::TableEvent;
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  if (evntRecPtr.p->m_request.getReportAll())
    sumaReq->subscriptionType|= SubCreateReq::ReportAll;
  if (evntRecPtr.p->m_request.getReportSubscribe())
    sumaReq->subscriptionType|= SubCreateReq::ReportSubscribe;
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  sumaReq->tableId          = evntRecPtr.p->m_request.getTableId();
    
#ifdef EVENT_PH2_DEBUG
  ndbout_c("sending GSN_SUB_CREATE_REQ");
#endif

  sendSignal(SUMA_REF, GSN_SUB_CREATE_REQ, signal,
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	     SubCreateReq::SignalLength, JBB);
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  DBUG_VOID_RETURN;
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}

void Dbdict::execSUB_CREATE_REF(Signal* signal)
{
  jamEntry();
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  DBUG_ENTER("Dbdict::execSUB_CREATE_REF");

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  SubCreateRef * const ref = (SubCreateRef *)signal->getDataPtr();
  OpCreateEventPtr evntRecPtr;

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  evntRecPtr.i = ref->senderData;
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  ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);

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  if (ref->errorCode == 1415) {
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    jam();
    createEvent_sendReply(signal, evntRecPtr);
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    DBUG_VOID_RETURN;
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  }

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  if (ref->errorCode)
  {
    evntRecPtr.p->m_errorCode = ref->errorCode;
    evntRecPtr.p->m_errorLine = __LINE__;
  }
  else
  {
    evntRecPtr.p->m_errorCode = 1;
    evntRecPtr.p->m_errorLine = __LINE__;
  }
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  evntRecPtr.p->m_errorNode = reference();

  createEvent_sendReply(signal, evntRecPtr);
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  DBUG_VOID_RETURN;
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}

void Dbdict::execSUB_CREATE_CONF(Signal* signal)
{
  jamEntry();
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  DBUG_ENTER("Dbdict::execSUB_CREATE_CONF");
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  EVENT_TRACE;

  SubCreateConf * const sumaConf = (SubCreateConf *)signal->getDataPtr();
  OpCreateEventPtr evntRecPtr;
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  evntRecPtr.i = sumaConf->senderData;
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  ndbrequire((evntRecPtr.p = c_opCreateEvent.getPtr(evntRecPtr.i)) != NULL);

  createEvent_sendReply(signal, evntRecPtr);

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  DBUG_VOID_RETURN;
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}

/****************************************************
 *
 * common create reply method
 *
 *******************************************************/

void Dbdict::createEvent_sendReply(Signal* signal,
				   OpCreateEventPtr evntRecPtr,
				   LinearSectionPtr *ptr, int noLSP)
{
  jam();
  EVENT_TRACE;

  // check if we're ready to sent reply
  // if we are the master dict we might be waiting for conf/ref

  if (!evntRecPtr.p->m_reqTracker.done()) {
    jam();
    return; // there's more to come
  }

  if (evntRecPtr.p->m_reqTracker.hasRef()) {
    ptr = NULL; // we don't want to return anything if there's an error
    if (!evntRecPtr.p->hasError()) {
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      evntRecPtr.p->m_errorCode = 1;
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      evntRecPtr.p->m_errorLine = __LINE__;
      evntRecPtr.p->m_errorNode = reference();
      jam();
    } else 
      jam();
  }

  // reference to API if master DICT
  // else reference to master DICT
  Uint32 senderRef = evntRecPtr.p->m_request.getUserRef();
  Uint32 signalLength;
  Uint32 gsn;

  if (evntRecPtr.p->hasError()) {
    jam();
    EVENT_TRACE;
    CreateEvntRef * ret = (CreateEvntRef *)signal->getDataPtrSend();
    
    ret->setEventId(evntRecPtr.p->m_request.getEventId());
    ret->setEventKey(evntRecPtr.p->m_request.getEventKey());
    ret->setUserData(evntRecPtr.p->m_request.getUserData());
    ret->senderRef = reference();
    ret->setTableId(evntRecPtr.p->m_request.getTableId());
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    ret->setTableVersion(evntRecPtr.p->m_request.getTableVersion());
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    ret->setEventType(evntRecPtr.p->m_request.getEventType());
    ret->setRequestType(evntRecPtr.p->m_request.getRequestType());

    ret->setErrorCode(evntRecPtr.p->m_errorCode);
    ret->setErrorLine(evntRecPtr.p->m_errorLine);
    ret->setErrorNode(evntRecPtr.p->m_errorNode);

    signalLength = CreateEvntRef::SignalLength;
#ifdef EVENT_PH2_DEBUG
    ndbout_c("DBDICT sending GSN_CREATE_EVNT_REF to evntRecPtr.i = (%d) node = %u ref = %u", evntRecPtr.i, refToNode(senderRef), senderRef);
    ndbout_c("errorCode = %u", evntRecPtr.p->m_errorCode);
    ndbout_c("errorLine = %u", evntRecPtr.p->m_errorLine);
#endif
    gsn = GSN_CREATE_EVNT_REF;

  } else {
    jam();
    EVENT_TRACE;
    CreateEvntConf * evntConf = (CreateEvntConf *)signal->getDataPtrSend();
    
    evntConf->setEventId(evntRecPtr.p->m_request.getEventId());
    evntConf->setEventKey(evntRecPtr.p->m_request.getEventKey());
    evntConf->setUserData(evntRecPtr.p->m_request.getUserData());
    evntConf->senderRef = reference();
    evntConf->setTableId(evntRecPtr.p->m_request.getTableId());
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    evntConf->setTableVersion(evntRecPtr.p->m_request.getTableVersion());
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    evntConf->setAttrListBitmask(evntRecPtr.p->m_request.getAttrListBitmask());
    evntConf->setEventType(evntRecPtr.p->m_request.getEventType());
    evntConf->setRequestType(evntRecPtr.p->m_request.getRequestType());

    signalLength = CreateEvntConf::SignalLength;
#ifdef EVENT_PH2_DEBUG
    ndbout_c("DBDICT sending GSN_CREATE_EVNT_CONF to evntRecPtr.i = (%d) node = %u ref = %u", evntRecPtr.i, refToNode(senderRef), senderRef);
#endif
    gsn = GSN_CREATE_EVNT_CONF;
  }

  if (ptr) {
    jam();
    sendSignal(senderRef, gsn, signal, signalLength, JBB, ptr, noLSP);
  } else {
    jam();
    sendSignal(senderRef, gsn, signal, signalLength, JBB);
  }

  c_opCreateEvent.release(evntRecPtr);
}

/*************************************************************/

/********************************************************************
 *
 * Start event
 *
 *******************************************************************/

void Dbdict::execSUB_START_REQ(Signal* signal)
{
  jamEntry();

  Uint32 origSenderRef = signal->senderBlockRef();

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  if (refToBlock(origSenderRef) != DBDICT &&
      getOwnNodeId() != c_masterNodeId)
  {
    /*
     * Coordinator but not master
     */
    SubStartRef * ref = (SubStartRef *)signal->getDataPtrSend();
    ref->senderRef = reference();
    ref->errorCode = SubStartRef::NotMaster;
    ref->m_masterNodeId = c_masterNodeId;
    sendSignal(origSenderRef, GSN_SUB_START_REF, signal,
	       SubStartRef::SignalLength2, JBB);
    return;
  }
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  OpSubEventPtr subbPtr;
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  Uint32 errCode = 0;
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  if (!c_opSubEvent.seize(subbPtr)) {
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    errCode = SubStartRef::Busy;
busy:
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    SubStartRef * ref = (SubStartRef *)signal->getDataPtrSend();
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    { // fix
      Uint32 subcriberRef = ((SubStartReq*)signal->getDataPtr())->subscriberRef;
      ref->subscriberRef = subcriberRef;
    }
    jam();
    //      ret->setErrorCode(SubStartRef::SeizeError);
    //      ret->setErrorLine(__LINE__);
    //      ret->setErrorNode(reference());
    ref->senderRef = reference();
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    ref->errorCode = errCode;
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    sendSignal(origSenderRef, GSN_SUB_START_REF, signal,
	       SubStartRef::SignalLength2, JBB);
    return;
  }

  {
    const SubStartReq* req = (SubStartReq*) signal->getDataPtr();
    subbPtr.p->m_senderRef = req->senderRef;
    subbPtr.p->m_senderData = req->senderData;
    subbPtr.p->m_errorCode = 0;
  }
  
  if (refToBlock(origSenderRef) != DBDICT) {
    /*
     * Coordinator
     */
    jam();
    
    subbPtr.p->m_senderRef = origSenderRef; // not sure if API sets correctly
    NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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    RequestTracker & p = subbPtr.p->m_reqTracker;
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    if (!p.init<SubStartRef>(c_counterMgr, rg, GSN_SUB_START_REF, subbPtr.i))
    {
      c_opSubEvent.release(subbPtr);
      errCode = SubStartRef::Busy;
      goto busy;
    }
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    SubStartReq* req = (SubStartReq*) signal->getDataPtrSend();
    
    req->senderRef  = reference();
    req->senderData = subbPtr.i;
    
#ifdef EVENT_PH3_DEBUG
    ndbout_c("DBDICT(Coordinator) sending GSN_SUB_START_REQ to DBDICT participants subbPtr.i = (%d)", subbPtr.i);
#endif

    sendSignal(rg, GSN_SUB_START_REQ, signal, SubStartReq::SignalLength2, JBB);
    return;
  }
  /*
   * Participant
   */
  ndbrequire(refToBlock(origSenderRef) == DBDICT);
  
  {
    SubStartReq* req = (SubStartReq*) signal->getDataPtrSend();
    
    req->senderRef = reference();
    req->senderData = subbPtr.i;
    
#ifdef EVENT_PH3_DEBUG
    ndbout_c("DBDICT(Participant) sending GSN_SUB_START_REQ to SUMA subbPtr.i = (%d)", subbPtr.i);
#endif
    sendSignal(SUMA_REF, GSN_SUB_START_REQ, signal, SubStartReq::SignalLength2, JBB);
  }
}

void Dbdict::execSUB_START_REF(Signal* signal)
{
  jamEntry();

  const SubStartRef* ref = (SubStartRef*) signal->getDataPtr();
  Uint32 senderRef  = ref->senderRef;
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  Uint32 err = ref->errorCode;
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  OpSubEventPtr subbPtr;
  c_opSubEvent.getPtr(subbPtr, ref->senderData);

  if (refToBlock(senderRef) == SUMA) {
    /*
     * Participant
     */
    jam();

#ifdef EVENT_PH3_DEBUG
    ndbout_c("DBDICT(Participant) got GSN_SUB_START_REF = (%d)", subbPtr.i);
#endif

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    jam();
    SubStartRef* ref = (SubStartRef*) signal->getDataPtrSend();
    ref->senderRef = reference();
    ref->senderData = subbPtr.p->m_senderData;
    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_START_REF,
	       signal, SubStartRef::SignalLength2, JBB);
    c_opSubEvent.release(subbPtr);
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    return;
  }
  /*
   * Coordinator
   */
  ndbrequire(refToBlock(senderRef) == DBDICT);
#ifdef EVENT_PH3_DEBUG
  ndbout_c("DBDICT(Coordinator) got GSN_SUB_START_REF = (%d)", subbPtr.i);
#endif
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  if (err == SubStartRef::NF_FakeErrorREF){
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    jam();
    subbPtr.p->m_reqTracker.ignoreRef(c_counterMgr, refToNode(senderRef));
  } else {
    jam();
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    if (subbPtr.p->m_errorCode == 0)
    {
      subbPtr.p->m_errorCode= err ? err : 1;
    }
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    subbPtr.p->m_reqTracker.reportRef(c_counterMgr, refToNode(senderRef));
  }
  completeSubStartReq(signal,subbPtr.i,0);
}

void Dbdict::execSUB_START_CONF(Signal* signal)
{
  jamEntry();

  const SubStartConf* conf = (SubStartConf*) signal->getDataPtr();
  Uint32 senderRef  = conf->senderRef;

  OpSubEventPtr subbPtr;
  c_opSubEvent.getPtr(subbPtr, conf->senderData);

  if (refToBlock(senderRef) == SUMA) {
    /*
     * Participant
     */
    jam();
    SubStartConf* conf = (SubStartConf*) signal->getDataPtrSend();

#ifdef EVENT_PH3_DEBUG
  ndbout_c("DBDICT(Participant) got GSN_SUB_START_CONF = (%d)", subbPtr.i);
#endif

    conf->senderRef = reference();
    conf->senderData = subbPtr.p->m_senderData;

    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_START_CONF,
	       signal, SubStartConf::SignalLength2, JBB);
    c_opSubEvent.release(subbPtr);
    return;
  }
  /*
   * Coordinator
   */
  ndbrequire(refToBlock(senderRef) == DBDICT);
#ifdef EVENT_PH3_DEBUG
  ndbout_c("DBDICT(Coordinator) got GSN_SUB_START_CONF = (%d)", subbPtr.i);
#endif
  subbPtr.p->m_reqTracker.reportConf(c_counterMgr, refToNode(senderRef));
  completeSubStartReq(signal,subbPtr.i,0);
}

/*
 * Coordinator
 */
void Dbdict::completeSubStartReq(Signal* signal,
				 Uint32 ptrI,
				 Uint32 returnCode){
  jam();

  OpSubEventPtr subbPtr;
  c_opSubEvent.getPtr(subbPtr, ptrI);

  if (!subbPtr.p->m_reqTracker.done()){
    jam();
    return;
  }

  if (subbPtr.p->m_reqTracker.hasRef()) {
    jam();
#ifdef EVENT_DEBUG
    ndbout_c("SUB_START_REF");
#endif
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    SubStartRef * ref = (SubStartRef *)signal->getDataPtrSend();
    ref->senderRef = reference();
    ref->errorCode = subbPtr.p->m_errorCode;
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    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_START_REF,
	       signal, SubStartRef::SignalLength, JBB);
    if (subbPtr.p->m_reqTracker.hasConf()) {
      //  stopStartedNodes(signal);
    }
    c_opSubEvent.release(subbPtr);
    return;
  }
#ifdef EVENT_DEBUG
  ndbout_c("SUB_START_CONF");
#endif
  sendSignal(subbPtr.p->m_senderRef, GSN_SUB_START_CONF,
	     signal, SubStartConf::SignalLength, JBB);
  c_opSubEvent.release(subbPtr);
}

/********************************************************************
 *
 * Stop event
 *
 *******************************************************************/

void Dbdict::execSUB_STOP_REQ(Signal* signal)
{
  jamEntry();

  Uint32 origSenderRef = signal->senderBlockRef();

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  if (refToBlock(origSenderRef) != DBDICT &&
      getOwnNodeId() != c_masterNodeId)
  {
    /*
     * Coordinator but not master
     */
    SubStopRef * ref = (SubStopRef *)signal->getDataPtrSend();
    ref->senderRef = reference();
    ref->errorCode = SubStopRef::NotMaster;
    ref->m_masterNodeId = c_masterNodeId;
    sendSignal(origSenderRef, GSN_SUB_STOP_REF, signal,
	       SubStopRef::SignalLength2, JBB);
    return;
  }
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  OpSubEventPtr subbPtr;
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  Uint32 errCode = 0;
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  if (!c_opSubEvent.seize(subbPtr)) {
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    errCode = SubStopRef::Busy;
busy:
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    SubStopRef * ref = (SubStopRef *)signal->getDataPtrSend();
    jam();
    //      ret->setErrorCode(SubStartRef::SeizeError);
    //      ret->setErrorLine(__LINE__);
    //      ret->setErrorNode(reference());
    ref->senderRef = reference();
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    ref->errorCode = errCode;
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    sendSignal(origSenderRef, GSN_SUB_STOP_REF, signal,
	       SubStopRef::SignalLength, JBB);
    return;
  }

  {
    const SubStopReq* req = (SubStopReq*) signal->getDataPtr();
    subbPtr.p->m_senderRef = req->senderRef;
    subbPtr.p->m_senderData = req->senderData;
    subbPtr.p->m_errorCode = 0;
  }
  
  if (refToBlock(origSenderRef) != DBDICT) {
    /*
     * Coordinator
     */
    jam();
#ifdef EVENT_DEBUG
    ndbout_c("SUB_STOP_REQ 1");
#endif
    subbPtr.p->m_senderRef = origSenderRef; // not sure if API sets correctly
    NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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    RequestTracker & p = subbPtr.p->m_reqTracker;
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    if (!p.init<SubStopRef>(c_counterMgr, rg, GSN_SUB_STOP_REF, subbPtr.i))
    {
      jam();
      c_opSubEvent.release(subbPtr);
      errCode = SubStopRef::Busy;
      goto busy;
    }
    
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    SubStopReq* req = (SubStopReq*) signal->getDataPtrSend();
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    req->senderRef  = reference();
    req->senderData = subbPtr.i;
    
    sendSignal(rg, GSN_SUB_STOP_REQ, signal, SubStopReq::SignalLength, JBB);
    return;
  }
  /*
   * Participant
   */
#ifdef EVENT_DEBUG
  ndbout_c("SUB_STOP_REQ 2");
#endif
  ndbrequire(refToBlock(origSenderRef) == DBDICT);
  {
    SubStopReq* req = (SubStopReq*) signal->getDataPtrSend();
    
    req->senderRef = reference();
    req->senderData = subbPtr.i;
    
    sendSignal(SUMA_REF, GSN_SUB_STOP_REQ, signal, SubStopReq::SignalLength, JBB);
  }
}

void Dbdict::execSUB_STOP_REF(Signal* signal)
{
  jamEntry();
  const SubStopRef* ref = (SubStopRef*) signal->getDataPtr();
  Uint32 senderRef  = ref->senderRef;
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  Uint32 err = ref->errorCode;
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  OpSubEventPtr subbPtr;
  c_opSubEvent.getPtr(subbPtr, ref->senderData);

  if (refToBlock(senderRef) == SUMA) {
    /*
     * Participant
     */
    jam();
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    SubStopRef* ref = (SubStopRef*) signal->getDataPtrSend();
    ref->senderRef = reference();
    ref->senderData = subbPtr.p->m_senderData;
    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_STOP_REF,
	       signal, SubStopRef::SignalLength, JBB);
    c_opSubEvent.release(subbPtr);
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    return;
  }
  /*
   * Coordinator
   */
  ndbrequire(refToBlock(senderRef) == DBDICT);
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  if (err == SubStopRef::NF_FakeErrorREF){
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    jam();
    subbPtr.p->m_reqTracker.ignoreRef(c_counterMgr, refToNode(senderRef));
  } else {
    jam();
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    if (subbPtr.p->m_errorCode == 0)
    {
      subbPtr.p->m_errorCode= err ? err : 1;
    }
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    subbPtr.p->m_reqTracker.reportRef(c_counterMgr, refToNode(senderRef));
  }
  completeSubStopReq(signal,subbPtr.i,0);
}

void Dbdict::execSUB_STOP_CONF(Signal* signal)
{
  jamEntry();

  const SubStopConf* conf = (SubStopConf*) signal->getDataPtr();
  Uint32 senderRef  = conf->senderRef;

  OpSubEventPtr subbPtr;
  c_opSubEvent.getPtr(subbPtr, conf->senderData);

  if (refToBlock(senderRef) == SUMA) {
    /*
     * Participant
     */
    jam();
    SubStopConf* conf = (SubStopConf*) signal->getDataPtrSend();

    conf->senderRef = reference();
    conf->senderData = subbPtr.p->m_senderData;

    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_STOP_CONF,
	       signal, SubStopConf::SignalLength, JBB);
    c_opSubEvent.release(subbPtr);
    return;
  }
  /*
   * Coordinator
   */
  ndbrequire(refToBlock(senderRef) == DBDICT);
  subbPtr.p->m_reqTracker.reportConf(c_counterMgr, refToNode(senderRef));
  completeSubStopReq(signal,subbPtr.i,0);
}

/*
 * Coordinator
 */
void Dbdict::completeSubStopReq(Signal* signal,
				Uint32 ptrI,
				Uint32 returnCode){
  OpSubEventPtr subbPtr;
  c_opSubEvent.getPtr(subbPtr, ptrI);

  if (!subbPtr.p->m_reqTracker.done()){
    jam();
    return;
  }

  if (subbPtr.p->m_reqTracker.hasRef()) {
    jam();
#ifdef EVENT_DEBUG
    ndbout_c("SUB_STOP_REF");
#endif
    SubStopRef* ref = (SubStopRef*)signal->getDataPtrSend();

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    ref->senderRef  = reference();
    ref->senderData = subbPtr.p->m_senderData;
    ref->errorCode  = subbPtr.p->m_errorCode;
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    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_STOP_REF,
	       signal, SubStopRef::SignalLength, JBB);
    if (subbPtr.p->m_reqTracker.hasConf()) {
      //  stopStartedNodes(signal);
    }
    c_opSubEvent.release(subbPtr);
    return;
  }
#ifdef EVENT_DEBUG
  ndbout_c("SUB_STOP_CONF");
#endif
  sendSignal(subbPtr.p->m_senderRef, GSN_SUB_STOP_CONF,
	     signal, SubStopConf::SignalLength, JBB);
  c_opSubEvent.release(subbPtr);
}

/***************************************************************
 * MODULE: Drop event.
 *
 * Drop event.
 * 
 * TODO
 */

void
Dbdict::execDROP_EVNT_REQ(Signal* signal)
{
  jamEntry();
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  DBUG_ENTER("Dbdict::execDROP_EVNT_REQ");
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  DropEvntReq *req = (DropEvntReq*)signal->getDataPtr();
  const Uint32 senderRef = signal->senderBlockRef();
  OpDropEventPtr evntRecPtr;

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  if (refToBlock(senderRef) != DBDICT &&
      getOwnNodeId() != c_masterNodeId)
  {
    jam();
    releaseSections(signal);

    DropEvntRef * ref = (DropEvntRef *)signal->getDataPtrSend();
    ref->setUserRef(reference());
    ref->setErrorCode(DropEvntRef::NotMaster);
    ref->setErrorLine(__LINE__);
    ref->setErrorNode(reference());
    ref->setMasterNode(c_masterNodeId);
    sendSignal(senderRef, GSN_DROP_EVNT_REF, signal,
	       DropEvntRef::SignalLength2, JBB);
    return;
  }

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  // Seize a Create Event record
  if (!c_opDropEvent.seize(evntRecPtr)) {
    // Failed to allocate event record
    jam();
    releaseSections(signal);
 
    DropEvntRef * ret = (DropEvntRef *)signal->getDataPtrSend();
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    ret->setErrorCode(747);
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    ret->setErrorLine(__LINE__);
    ret->setErrorNode(reference());
    sendSignal(senderRef, GSN_DROP_EVNT_REF, signal,
	       DropEvntRef::SignalLength, JBB);
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    DBUG_VOID_RETURN;
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  }

#ifdef EVENT_DEBUG
  ndbout_c("DBDICT::execDROP_EVNT_REQ evntRecId = (%d)", evntRecPtr.i);
#endif

  OpDropEvent* evntRec = evntRecPtr.p;
  evntRec->init(req);

  SegmentedSectionPtr ssPtr;

  signal->getSection(ssPtr, 0);

  SimplePropertiesSectionReader r0(ssPtr, getSectionSegmentPool());
#ifdef EVENT_DEBUG
  r0.printAll(ndbout);
#endif
  // event name
  if ((!r0.first()) ||
      (r0.getValueType() != SimpleProperties::StringValue) ||
      (r0.getValueLen() <= 0)) {
    jam();
    releaseSections(signal);

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    evntRecPtr.p->m_errorCode = 1;
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    evntRecPtr.p->m_errorLine = __LINE__;
    evntRecPtr.p->m_errorNode = reference();

    dropEvent_sendReply(signal, evntRecPtr);
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    DBUG_VOID_RETURN;
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  }
  r0.getString(evntRecPtr.p->m_eventRec.NAME);
  {
    int len = strlen(evntRecPtr.p->m_eventRec.NAME);
    memset(evntRecPtr.p->m_eventRec.NAME+len, 0, MAX_TAB_NAME_SIZE-len);
#ifdef EVENT_DEBUG
    printf("DropEvntReq; EventName %s, len %u\n",
	   evntRecPtr.p->m_eventRec.NAME, len);
    for(int i = 0; i < MAX_TAB_NAME_SIZE/4; i++)
      printf("H'%.8x ", ((Uint32*)evntRecPtr.p->m_eventRec.NAME)[i]);
    printf("\n");
#endif
  }
  
  releaseSections(signal);

  Callback c = { safe_cast(&Dbdict::dropEventUTIL_PREPARE_READ), 0 };

  prepareTransactionEventSysTable(&c, signal, evntRecPtr.i,
				  UtilPrepareReq::Read);
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  DBUG_VOID_RETURN;
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}

void 
Dbdict::dropEventUTIL_PREPARE_READ(Signal* signal,
				   Uint32 callbackData,
				   Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  if (returnCode != 0) {
    EVENT_TRACE;
    dropEventUtilPrepareRef(signal, callbackData, returnCode);
    return;
  }

  UtilPrepareConf* const req = (UtilPrepareConf*)signal->getDataPtr();
  OpDropEventPtr evntRecPtr;
  evntRecPtr.i = req->getSenderData();
  const Uint32 prepareId = req->getPrepareId();

  ndbrequire((evntRecPtr.p = c_opDropEvent.getPtr(evntRecPtr.i)) != NULL);

  Callback c = { safe_cast(&Dbdict::dropEventUTIL_EXECUTE_READ), 0 };

  executeTransEventSysTable(&c, signal,
			    evntRecPtr.i, evntRecPtr.p->m_eventRec,
			    prepareId, UtilPrepareReq::Read);
}

void 
Dbdict::dropEventUTIL_EXECUTE_READ(Signal* signal,
				   Uint32 callbackData,
				   Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  if (returnCode != 0) {
    EVENT_TRACE;
    dropEventUtilExecuteRef(signal, callbackData, returnCode);
    return;
  }

  OpDropEventPtr evntRecPtr;
  UtilExecuteConf * const ref = (UtilExecuteConf *)signal->getDataPtr();
  jam();
  evntRecPtr.i = ref->getSenderData();
  ndbrequire((evntRecPtr.p = c_opDropEvent.getPtr(evntRecPtr.i)) != NULL);

  parseReadEventSys(signal, evntRecPtr.p->m_eventRec);

  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
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  RequestTracker & p = evntRecPtr.p->m_reqTracker;
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  if (!p.init<SubRemoveRef>(c_counterMgr, rg, GSN_SUB_REMOVE_REF,
			    evntRecPtr.i))
  {
    evntRecPtr.p->m_errorCode = 701;
    dropEvent_sendReply(signal, evntRecPtr);
    return;
  }
  
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  SubRemoveReq* req = (SubRemoveReq*) signal->getDataPtrSend();

  req->senderRef       = reference();
  req->senderData      = evntRecPtr.i;
  req->subscriptionId  = evntRecPtr.p->m_eventRec.SUBID;
  req->subscriptionKey = evntRecPtr.p->m_eventRec.SUBKEY;

  sendSignal(rg, GSN_SUB_REMOVE_REQ, signal, SubRemoveReq::SignalLength, JBB);
}

/*
 * Participant
 */

void
Dbdict::execSUB_REMOVE_REQ(Signal* signal)
{
  jamEntry();
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  DBUG_ENTER("Dbdict::execSUB_REMOVE_REQ");
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  Uint32 origSenderRef = signal->senderBlockRef();

  OpSubEventPtr subbPtr;
  if (!c_opSubEvent.seize(subbPtr)) {
    SubRemoveRef * ref = (SubRemoveRef *)signal->getDataPtrSend();
    jam();
    ref->senderRef = reference();
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    ref->errorCode = SubRemoveRef::Busy;
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    sendSignal(origSenderRef, GSN_SUB_REMOVE_REF, signal,
	       SubRemoveRef::SignalLength, JBB);
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    DBUG_VOID_RETURN;
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  }

  {
    const SubRemoveReq* req = (SubRemoveReq*) signal->getDataPtr();
    subbPtr.p->m_senderRef = req->senderRef;
    subbPtr.p->m_senderData = req->senderData;
    subbPtr.p->m_errorCode = 0;
  }

  SubRemoveReq* req = (SubRemoveReq*) signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = subbPtr.i;

  sendSignal(SUMA_REF, GSN_SUB_REMOVE_REQ, signal, SubRemoveReq::SignalLength, JBB);
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  DBUG_VOID_RETURN;
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}

/*
 * Coordintor/Participant
 */

void
Dbdict::execSUB_REMOVE_REF(Signal* signal)
{
  jamEntry();
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  DBUG_ENTER("Dbdict::execSUB_REMOVE_REF");

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  const SubRemoveRef* ref = (SubRemoveRef*) signal->getDataPtr();
  Uint32 senderRef = ref->senderRef;
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  Uint32 err= ref->errorCode;
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  if (refToBlock(senderRef) == SUMA) {
    /*
     * Participant
     */
    jam();
    OpSubEventPtr subbPtr;
    c_opSubEvent.getPtr(subbPtr, ref->senderData);
10480 10481
    if (err == 1407) {
      // conf this since this may occur if a nodefailure has occured
10482 10483 10484 10485 10486 10487 10488 10489 10490 10491 10492 10493 10494 10495
      // earlier so that the systable was not cleared
      SubRemoveConf* conf = (SubRemoveConf*) signal->getDataPtrSend();
      conf->senderRef  = reference();
      conf->senderData = subbPtr.p->m_senderData;
      sendSignal(subbPtr.p->m_senderRef, GSN_SUB_REMOVE_CONF,
		 signal, SubRemoveConf::SignalLength, JBB);
    } else {
      SubRemoveRef* ref = (SubRemoveRef*) signal->getDataPtrSend();
      ref->senderRef = reference();
      ref->senderData = subbPtr.p->m_senderData;
      sendSignal(subbPtr.p->m_senderRef, GSN_SUB_REMOVE_REF,
		 signal, SubRemoveRef::SignalLength, JBB);
    }
    c_opSubEvent.release(subbPtr);
10496
    DBUG_VOID_RETURN;
10497 10498 10499 10500 10501 10502 10503
  }
  /*
   * Coordinator
   */
  ndbrequire(refToBlock(senderRef) == DBDICT);
  OpDropEventPtr eventRecPtr;
  c_opDropEvent.getPtr(eventRecPtr, ref->senderData);
10504
  if (err == SubRemoveRef::NF_FakeErrorREF){
10505 10506 10507 10508
    jam();
    eventRecPtr.p->m_reqTracker.ignoreRef(c_counterMgr, refToNode(senderRef));
  } else {
    jam();
10509 10510 10511 10512 10513 10514
    if (eventRecPtr.p->m_errorCode == 0)
    {
      eventRecPtr.p->m_errorCode= err ? err : 1;
      eventRecPtr.p->m_errorLine= __LINE__;
      eventRecPtr.p->m_errorNode= reference();
    }
10515 10516 10517
    eventRecPtr.p->m_reqTracker.reportRef(c_counterMgr, refToNode(senderRef));
  }
  completeSubRemoveReq(signal,eventRecPtr.i,0);
10518
  DBUG_VOID_RETURN;
10519 10520 10521 10522 10523 10524 10525 10526 10527 10528 10529 10530 10531 10532 10533 10534 10535 10536 10537 10538 10539 10540 10541 10542 10543 10544 10545 10546 10547 10548 10549 10550 10551 10552 10553 10554 10555 10556 10557 10558 10559 10560 10561 10562 10563 10564 10565
}

void
Dbdict::execSUB_REMOVE_CONF(Signal* signal)
{
  jamEntry();
  const SubRemoveConf* conf = (SubRemoveConf*) signal->getDataPtr();
  Uint32 senderRef = conf->senderRef;

  if (refToBlock(senderRef) == SUMA) {
    /*
     * Participant
     */
    jam();
    OpSubEventPtr subbPtr;
    c_opSubEvent.getPtr(subbPtr, conf->senderData);
    SubRemoveConf* conf = (SubRemoveConf*) signal->getDataPtrSend();
    conf->senderRef = reference();
    conf->senderData = subbPtr.p->m_senderData;
    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_REMOVE_CONF,
	       signal, SubRemoveConf::SignalLength, JBB);
    c_opSubEvent.release(subbPtr);
    return;
  }
  /*
   * Coordinator
   */
  ndbrequire(refToBlock(senderRef) == DBDICT);
  OpDropEventPtr eventRecPtr;
  c_opDropEvent.getPtr(eventRecPtr, conf->senderData);
  eventRecPtr.p->m_reqTracker.reportConf(c_counterMgr, refToNode(senderRef));
  completeSubRemoveReq(signal,eventRecPtr.i,0);
}

void
Dbdict::completeSubRemoveReq(Signal* signal, Uint32 ptrI, Uint32 xxx)
{
  OpDropEventPtr evntRecPtr;
  c_opDropEvent.getPtr(evntRecPtr, ptrI);

  if (!evntRecPtr.p->m_reqTracker.done()){
    jam();
    return;
  }

  if (evntRecPtr.p->m_reqTracker.hasRef()) {
    jam();
10566 10567 10568 10569 10570 10571
    if ( evntRecPtr.p->m_errorCode == 0 )
    {
      evntRecPtr.p->m_errorNode = reference();
      evntRecPtr.p->m_errorLine = __LINE__;
      evntRecPtr.p->m_errorCode = 1;
    }
10572 10573 10574 10575 10576 10577 10578 10579 10580 10581 10582 10583 10584 10585 10586 10587 10588 10589 10590 10591 10592 10593 10594 10595 10596 10597 10598 10599 10600 10601 10602 10603 10604 10605 10606 10607 10608 10609 10610 10611 10612 10613 10614 10615 10616 10617 10618 10619 10620 10621 10622 10623 10624 10625 10626 10627 10628 10629 10630 10631 10632 10633 10634 10635 10636 10637 10638 10639 10640 10641 10642 10643 10644 10645 10646 10647
    dropEvent_sendReply(signal, evntRecPtr);
    return;
  }

  Callback c = { safe_cast(&Dbdict::dropEventUTIL_PREPARE_DELETE), 0 };

  prepareTransactionEventSysTable(&c, signal, evntRecPtr.i,
				  UtilPrepareReq::Delete);
}

void 
Dbdict::dropEventUTIL_PREPARE_DELETE(Signal* signal,
				     Uint32 callbackData,
				     Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  if (returnCode != 0) {
    EVENT_TRACE;
    dropEventUtilPrepareRef(signal, callbackData, returnCode);
    return;
  }

  UtilPrepareConf* const req = (UtilPrepareConf*)signal->getDataPtr();
  OpDropEventPtr evntRecPtr;
  jam();
  evntRecPtr.i = req->getSenderData();
  const Uint32 prepareId = req->getPrepareId();
  
  ndbrequire((evntRecPtr.p = c_opDropEvent.getPtr(evntRecPtr.i)) != NULL);
#ifdef EVENT_DEBUG
  printf("DropEvntUTIL_PREPARE; evntRecPtr.i len %u\n",evntRecPtr.i);
#endif    

  Callback c = { safe_cast(&Dbdict::dropEventUTIL_EXECUTE_DELETE), 0 };

  executeTransEventSysTable(&c, signal,
			    evntRecPtr.i, evntRecPtr.p->m_eventRec,
			    prepareId, UtilPrepareReq::Delete);
}

void 
Dbdict::dropEventUTIL_EXECUTE_DELETE(Signal* signal,
				     Uint32 callbackData,
				     Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  if (returnCode != 0) {
    EVENT_TRACE;
    dropEventUtilExecuteRef(signal, callbackData, returnCode);
    return;
  }

  OpDropEventPtr evntRecPtr;
  UtilExecuteConf * const ref = (UtilExecuteConf *)signal->getDataPtr();
  jam();
  evntRecPtr.i = ref->getSenderData();
  ndbrequire((evntRecPtr.p = c_opDropEvent.getPtr(evntRecPtr.i)) != NULL);

  dropEvent_sendReply(signal, evntRecPtr);
}

void
Dbdict::dropEventUtilPrepareRef(Signal* signal,
				Uint32 callbackData,
				Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  UtilPrepareRef * const ref = (UtilPrepareRef *)signal->getDataPtr();
  OpDropEventPtr evntRecPtr;
  evntRecPtr.i = ref->getSenderData();
  ndbrequire((evntRecPtr.p = c_opDropEvent.getPtr(evntRecPtr.i)) != NULL);

  interpretUtilPrepareErrorCode((UtilPrepareRef::ErrorCode)ref->getErrorCode(),
10648
				evntRecPtr.p->m_errorCode, evntRecPtr.p->m_errorLine);
10649 10650 10651 10652 10653 10654 10655 10656 10657 10658 10659 10660 10661 10662 10663 10664 10665 10666 10667 10668 10669 10670 10671 10672 10673 10674
  evntRecPtr.p->m_errorNode = reference();

  dropEvent_sendReply(signal, evntRecPtr);
}

void
Dbdict::dropEventUtilExecuteRef(Signal* signal,
				Uint32 callbackData,
				Uint32 returnCode)
{
  jam();
  EVENT_TRACE;
  OpDropEventPtr evntRecPtr;
  UtilExecuteRef * const ref = (UtilExecuteRef *)signal->getDataPtr();
  jam();
  evntRecPtr.i = ref->getSenderData();
  ndbrequire((evntRecPtr.p = c_opDropEvent.getPtr(evntRecPtr.i)) != NULL);
    
  evntRecPtr.p->m_errorNode = reference();
  evntRecPtr.p->m_errorLine = __LINE__;

  switch (ref->getErrorCode()) {
  case UtilExecuteRef::TCError:
    switch (ref->getTCErrorCode()) {
    case ZNOT_FOUND:
      jam();
10675
      evntRecPtr.p->m_errorCode = 4710;
10676 10677 10678
      break;
    default:
      jam();
10679
      evntRecPtr.p->m_errorCode = ref->getTCErrorCode();
10680 10681 10682 10683 10684
      break;
    }
    break;
  default:
    jam();
10685
    evntRecPtr.p->m_errorCode = ref->getErrorCode();
10686 10687 10688 10689 10690 10691 10692 10693 10694 10695 10696 10697 10698 10699 10700 10701 10702 10703 10704 10705 10706 10707 10708 10709 10710 10711 10712 10713 10714 10715 10716 10717 10718 10719 10720 10721 10722 10723 10724 10725 10726 10727 10728 10729 10730 10731 10732 10733 10734 10735 10736 10737 10738 10739 10740 10741 10742 10743 10744 10745 10746 10747 10748 10749 10750 10751 10752 10753 10754 10755 10756 10757 10758 10759 10760 10761 10762 10763 10764 10765 10766 10767
    break;
  }
  dropEvent_sendReply(signal, evntRecPtr);
}

void Dbdict::dropEvent_sendReply(Signal* signal,
				 OpDropEventPtr evntRecPtr)
{
  jam();
  EVENT_TRACE;
  Uint32 senderRef = evntRecPtr.p->m_request.getUserRef();

  if (evntRecPtr.p->hasError()) {
    jam();
    DropEvntRef * ret = (DropEvntRef *)signal->getDataPtrSend();
    
    ret->setUserData(evntRecPtr.p->m_request.getUserData());
    ret->setUserRef(evntRecPtr.p->m_request.getUserRef());

    ret->setErrorCode(evntRecPtr.p->m_errorCode);
    ret->setErrorLine(evntRecPtr.p->m_errorLine);
    ret->setErrorNode(evntRecPtr.p->m_errorNode);

    sendSignal(senderRef, GSN_DROP_EVNT_REF, signal,
	       DropEvntRef::SignalLength, JBB);
  } else {
    jam();
    DropEvntConf * evntConf = (DropEvntConf *)signal->getDataPtrSend();
    
    evntConf->setUserData(evntRecPtr.p->m_request.getUserData());
    evntConf->setUserRef(evntRecPtr.p->m_request.getUserRef());

    sendSignal(senderRef, GSN_DROP_EVNT_CONF, signal,
	       DropEvntConf::SignalLength, JBB);
  }

  c_opDropEvent.release(evntRecPtr);
}

/**
 * MODULE: Alter index
 *
 * Alter index state.  Alter online creates the index in each TC and
 * then invokes create trigger and alter trigger protocols to activate
 * the 3 triggers.  Alter offline does the opposite.
 *
 * Request type received in REQ and returned in CONF/REF:
 *
 * RT_USER - from API to DICT master
 * RT_CREATE_INDEX - part of create index operation
 * RT_DROP_INDEX - part of drop index operation
 * RT_NODERESTART - node restart, activate locally only
 * RT_SYSTEMRESTART - system restart, activate and build if not logged
 * RT_DICT_PREPARE - prepare participants
 * RT_DICT_TC - to local TC via each participant
 * RT_DICT_COMMIT - commit in each participant
 */

void
Dbdict::execALTER_INDX_REQ(Signal* signal)
{
  jamEntry();
  AlterIndxReq* const req = (AlterIndxReq*)signal->getDataPtrSend();
  OpAlterIndexPtr opPtr;
  const Uint32 senderRef = signal->senderBlockRef();
  const AlterIndxReq::RequestType requestType = req->getRequestType();
  if (requestType == AlterIndxReq::RT_USER ||
      requestType == AlterIndxReq::RT_CREATE_INDEX ||
      requestType == AlterIndxReq::RT_DROP_INDEX ||
      requestType == AlterIndxReq::RT_NODERESTART ||
      requestType == AlterIndxReq::RT_SYSTEMRESTART) {
    jam();
    const bool isLocal = req->getRequestFlag() & RequestFlag::RF_LOCAL;
    NdbNodeBitmask receiverNodes = c_aliveNodes;
    if (isLocal) {
      receiverNodes.clear();
      receiverNodes.set(getOwnNodeId());
    }
    if (signal->getLength() == AlterIndxReq::SignalLength) {
      jam();
      if (! isLocal && getOwnNodeId() != c_masterNodeId) {
        jam();
10768 10769 10770 10771 10772 10773 10774 10775 10776

	releaseSections(signal);
	OpAlterIndex opBad;
	opPtr.p = &opBad;
	opPtr.p->save(req);
	opPtr.p->m_errorCode = AlterIndxRef::NotMaster;
	opPtr.p->m_errorLine = __LINE__;
	opPtr.p->m_errorNode = c_masterNodeId;
	alterIndex_sendReply(signal, opPtr, true);
10777 10778 10779 10780 10781 10782 10783 10784 10785 10786 10787 10788 10789 10790 10791 10792 10793 10794 10795 10796 10797 10798 10799 10800 10801 10802 10803 10804 10805 10806 10807 10808 10809 10810 10811 10812 10813 10814 10815 10816 10817 10818 10819 10820 10821 10822 10823 10824 10825 10826 10827 10828 10829 10830 10831 10832 10833 10834 10835 10836 10837 10838 10839 10840 10841 10842 10843 10844 10845 10846 10847 10848 10849 10850 10851 10852 10853 10854 10855 10856 10857 10858 10859 10860 10861 10862 10863 10864 10865 10866 10867 10868 10869 10870 10871 10872 10873 10874 10875 10876 10877 10878 10879 10880 10881 10882 10883 10884 10885 10886 10887 10888 10889 10890 10891 10892 10893 10894 10895 10896 10897 10898 10899 10900 10901 10902 10903 10904 10905 10906 10907 10908 10909 10910 10911 10912 10913 10914 10915 10916 10917 10918 10919 10920 10921 10922 10923 10924 10925 10926 10927 10928 10929 10930 10931 10932 10933 10934 10935 10936 10937 10938 10939 10940 10941 10942 10943 10944 10945 10946 10947 10948 10949 10950 10951 10952 10953 10954 10955 10956 10957 10958 10959 10960 10961 10962 10963 10964 10965 10966 10967 10968 10969 10970 10971 10972 10973 10974 10975 10976 10977 10978 10979 10980 10981 10982 10983 10984 10985 10986 10987 10988 10989 10990 10991 10992 10993 10994 10995 10996 10997 10998 10999 11000 11001 11002 11003 11004 11005 11006 11007 11008 11009 11010 11011 11012 11013 11014 11015 11016 11017 11018 11019 11020 11021 11022 11023 11024 11025 11026 11027 11028 11029 11030 11031 11032 11033 11034 11035 11036 11037 11038 11039 11040 11041 11042 11043 11044 11045 11046 11047 11048 11049 11050 11051 11052 11053 11054
        return;
      }
      // forward initial request plus operation key to all
      req->setOpKey(++c_opRecordSequence);
      NodeReceiverGroup rg(DBDICT, receiverNodes);
      sendSignal(rg, GSN_ALTER_INDX_REQ,
          signal, AlterIndxReq::SignalLength + 1, JBB);
      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == AlterIndxReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpAlterIndex opBusy;
    if (! c_opAlterIndex.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = AlterIndxRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      alterIndex_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opAlterIndex.add(opPtr);
    // master expects to hear from all
    if (opPtr.p->m_isMaster)
      opPtr.p->m_signalCounter = receiverNodes;
    // check request in all participants
    alterIndex_slavePrepare(signal, opPtr);
    alterIndex_sendReply(signal, opPtr, false);
    return;
  }
  c_opAlterIndex.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == AlterIndxReq::RT_DICT_TC) {
      jam();
      if (opPtr.p->m_request.getOnline())
        alterIndex_toCreateTc(signal, opPtr);
      else
        alterIndex_toDropTc(signal, opPtr);
      return;
    }
    if (requestType == AlterIndxReq::RT_DICT_COMMIT ||
        requestType == AlterIndxReq::RT_DICT_ABORT) {
      jam();
      if (requestType == AlterIndxReq::RT_DICT_COMMIT)
        alterIndex_slaveCommit(signal, opPtr);
      else
        alterIndex_slaveAbort(signal, opPtr);
      alterIndex_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
        c_opAlterIndex.release(opPtr);
      return;
    }
  }
  jam();
  // return to sender
  OpAlterIndex opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
  opPtr.p->m_errorCode = AlterIndxRef::BadRequestType;
  opPtr.p->m_errorLine = __LINE__;
  alterIndex_sendReply(signal, opPtr, true);
}

void
Dbdict::execALTER_INDX_CONF(Signal* signal)
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);
  AlterIndxConf* conf = (AlterIndxConf*)signal->getDataPtrSend();
  alterIndex_recvReply(signal, conf, 0);
}

void
Dbdict::execALTER_INDX_REF(Signal* signal)
{
  jamEntry();
  AlterIndxRef* ref = (AlterIndxRef*)signal->getDataPtrSend();
  alterIndex_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::alterIndex_recvReply(Signal* signal, const AlterIndxConf* conf,
    const AlterIndxRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const AlterIndxReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == AlterIndxReq::RT_CREATE_INDEX) {
    jam();
    // part of create index operation
    OpCreateIndexPtr opPtr;
    c_opCreateIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    createIndex_fromAlterIndex(signal, opPtr);
    return;
  }
  if (requestType == AlterIndxReq::RT_DROP_INDEX) {
    jam();
    // part of drop index operation
    OpDropIndexPtr opPtr;
    c_opDropIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    dropIndex_fromAlterIndex(signal, opPtr);
    return;
  }
  if (requestType == AlterIndxReq::RT_TC ||
      requestType == AlterIndxReq::RT_TUX) {
    jam();
    // part of build index operation
    OpBuildIndexPtr opPtr;
    c_opBuildIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    buildIndex_fromOnline(signal, opPtr);
    return;
  }
  if (requestType == AlterIndxReq::RT_NODERESTART) {
    jam();
    if (ref == 0) {
      infoEvent("DICT: index %u activated", (unsigned)key);
    } else {
      warningEvent("DICT: index %u activation failed: code=%d line=%d",
          (unsigned)key,
          ref->getErrorCode(), ref->getErrorLine());
    }
    activateIndexes(signal, key + 1);
    return;
  }
  if (requestType == AlterIndxReq::RT_SYSTEMRESTART) {
    jam();
    if (ref == 0) {
      infoEvent("DICT: index %u activated done", (unsigned)key);
    } else {
      warningEvent("DICT: index %u activated failed: code=%d line=%d node=%d",
          (unsigned)key,
          ref->getErrorCode(), ref->getErrorLine(), ref->getErrorNode());
    }
    activateIndexes(signal, key + 1);
    return;
  }
  OpAlterIndexPtr opPtr;
  c_opAlterIndex.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  opPtr.p->setError(ref);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == AlterIndxReq::RT_DICT_COMMIT ||
      requestType == AlterIndxReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    alterIndex_sendReply(signal, opPtr, true);
    c_opAlterIndex.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_ABORT;
    alterIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  if (indexPtr.p->isHashIndex()) {
    if (requestType == AlterIndxReq::RT_DICT_PREPARE) {
      jam();
      if (opPtr.p->m_request.getOnline()) {
        opPtr.p->m_requestType = AlterIndxReq::RT_DICT_TC;
        alterIndex_sendSlaveReq(signal, opPtr);
      } else {
        // start drop triggers
        alterIndex_toDropTrigger(signal, opPtr);
      }
      return;
    }
    if (requestType == AlterIndxReq::RT_DICT_TC) {
      jam();
      if (opPtr.p->m_request.getOnline()) {
        // start create triggers
        alterIndex_toCreateTrigger(signal, opPtr);
      } else {
        opPtr.p->m_requestType = AlterIndxReq::RT_DICT_COMMIT;
        alterIndex_sendSlaveReq(signal, opPtr);
      }
      return;
    }
  }
  if (indexPtr.p->isOrderedIndex()) {
    if (requestType == AlterIndxReq::RT_DICT_PREPARE) {
      jam();
      if (opPtr.p->m_request.getOnline()) {
        // start create triggers
        alterIndex_toCreateTrigger(signal, opPtr);
      } else {
        // start drop triggers
        alterIndex_toDropTrigger(signal, opPtr);
      }
      return;
    }
  }
  ndbrequire(false);
}

void
Dbdict::alterIndex_slavePrepare(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  const AlterIndxReq* const req = &opPtr.p->m_request;
  if (! (req->getIndexId() < c_tableRecordPool.getSize())) {
    jam();
    opPtr.p->m_errorCode = AlterIndxRef::Inconsistency;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, req->getIndexId());
  if (indexPtr.p->tabState != TableRecord::DEFINED) {
    jam();
    opPtr.p->m_errorCode = AlterIndxRef::IndexNotFound;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  if (! indexPtr.p->isIndex()) {
    jam();
    opPtr.p->m_errorCode = AlterIndxRef::NotAnIndex;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  if (req->getOnline())
    indexPtr.p->indexState = TableRecord::IS_BUILDING;
  else
    indexPtr.p->indexState = TableRecord::IS_DROPPING;
}

void
Dbdict::alterIndex_toCreateTc(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  // request to create index in local TC
  CreateIndxReq* const req = (CreateIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(CreateIndxReq::RT_TC);
  req->setIndexType(indexPtr.p->tableType);
  req->setTableId(indexPtr.p->primaryTableId);
  req->setIndexId(indexPtr.i);
  req->setOnline(true);
  getIndexAttrList(indexPtr, opPtr.p->m_attrList);
  // send
  LinearSectionPtr lsPtr[3];
  lsPtr[0].p = (Uint32*)&opPtr.p->m_attrList;
  lsPtr[0].sz = 1 + opPtr.p->m_attrList.sz;
  sendSignal(calcTcBlockRef(getOwnNodeId()), GSN_CREATE_INDX_REQ,
      signal, CreateIndxReq::SignalLength, JBB, lsPtr, 1);
}

void
Dbdict::alterIndex_fromCreateTc(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  // mark created in local TC
11055
  if (! opPtr.p->hasLastError()) {
11056 11057 11058 11059 11060 11061 11062 11063 11064 11065 11066 11067 11068 11069 11070
    TableRecordPtr indexPtr;
    c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
    indexPtr.p->indexLocal |= TableRecord::IL_CREATED_TC;
  }
  // forward CONF or REF to master
  ndbrequire(opPtr.p->m_requestType == AlterIndxReq::RT_DICT_TC);
  alterIndex_sendReply(signal, opPtr, false);
}

void
Dbdict::alterIndex_toDropTc(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
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  // broken index allowed if force
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  if (! (indexPtr.p->indexLocal & TableRecord::IL_CREATED_TC)) {
    jam();
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    ndbassert(opPtr.p->m_requestFlag & RequestFlag::RF_FORCE);
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    alterIndex_sendReply(signal, opPtr, false);
    return;
  }
  // request to drop in local TC
  DropIndxReq* const req = (DropIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(DropIndxReq::RT_TC);
  req->setTableId(indexPtr.p->primaryTableId);
  req->setIndexId(indexPtr.i);
  req->setIndexVersion(indexPtr.p->tableVersion);
  // send
  sendSignal(calcTcBlockRef(getOwnNodeId()), GSN_DROP_INDX_REQ,
      signal, DropIndxReq::SignalLength, JBB);
}

void
Dbdict::alterIndex_fromDropTc(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  ndbrequire(opPtr.p->m_requestType == AlterIndxReq::RT_DICT_TC);
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  // mark dropped locally
  if (! opPtr.p->hasLastError()) {
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    TableRecordPtr indexPtr;
    c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
    indexPtr.p->indexLocal &= ~TableRecord::IL_CREATED_TC;
  }
  // forward CONF or REF to master
  alterIndex_sendReply(signal, opPtr, false);
}

void
Dbdict::alterIndex_toCreateTrigger(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  // start creation of index triggers
  CreateTrigReq* const req = (CreateTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(CreateTrigReq::RT_ALTER_INDEX);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  req->setTableId(opPtr.p->m_request.getTableId());
  req->setIndexId(opPtr.p->m_request.getIndexId());
  req->setTriggerId(RNIL);
  req->setTriggerActionTime(TriggerActionTime::TA_AFTER);
  req->setMonitorAllAttributes(false);
  req->setOnline(true);         // alter online after create
  req->setReceiverRef(0);       // implicit for index triggers
  getIndexAttrMask(indexPtr, req->getAttributeMask());
  // name section
  char triggerName[MAX_TAB_NAME_SIZE];
  Uint32 buffer[2 + ((MAX_TAB_NAME_SIZE + 3) >> 2)];    // SP string
  LinearWriter w(buffer, sizeof(buffer) >> 2);
  LinearSectionPtr lsPtr[3];
  if (indexPtr.p->isHashIndex()) {
    req->setTriggerType(TriggerType::SECONDARY_INDEX);
    req->setMonitorReplicas(false);
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    req->setReportAllMonitoredAttributes(true);
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    // insert
    if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL)
      req->setTriggerId(indexPtr.p->insertTriggerId);
    req->setTriggerEvent(TriggerEvent::TE_INSERT);
    sprintf(triggerName, "NDB$INDEX_%u_INSERT", opPtr.p->m_request.getIndexId());
    w.reset();
    w.add(CreateTrigReq::TriggerNameKey, triggerName);
    lsPtr[0].p = buffer;
    lsPtr[0].sz = w.getWordsUsed();
    sendSignal(reference(), GSN_CREATE_TRIG_REQ, 
        signal, CreateTrigReq::SignalLength, JBB, lsPtr, 1);
    // update
    if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL)
      req->setTriggerId(indexPtr.p->updateTriggerId);
    req->setTriggerEvent(TriggerEvent::TE_UPDATE);
    sprintf(triggerName, "NDB$INDEX_%u_UPDATE", opPtr.p->m_request.getIndexId());
    w.reset();
    w.add(CreateTrigReq::TriggerNameKey, triggerName);
    lsPtr[0].p = buffer;
    lsPtr[0].sz = w.getWordsUsed();
    sendSignal(reference(), GSN_CREATE_TRIG_REQ, 
        signal, CreateTrigReq::SignalLength, JBB, lsPtr, 1);
    // delete
    if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL)
      req->setTriggerId(indexPtr.p->deleteTriggerId);
    req->setTriggerEvent(TriggerEvent::TE_DELETE);
    sprintf(triggerName, "NDB$INDEX_%u_DELETE", opPtr.p->m_request.getIndexId());
    w.reset();
    w.add(CreateTrigReq::TriggerNameKey, triggerName);
    lsPtr[0].p = buffer;
    lsPtr[0].sz = w.getWordsUsed();
    sendSignal(reference(), GSN_CREATE_TRIG_REQ, 
        signal, CreateTrigReq::SignalLength, JBB, lsPtr, 1);
    // triggers left to create
    opPtr.p->m_triggerCounter = 3;
    return;
  }
  if (indexPtr.p->isOrderedIndex()) {
    req->addRequestFlag(RequestFlag::RF_NOTCTRIGGER);
    req->setTriggerType(TriggerType::ORDERED_INDEX);
    req->setTriggerActionTime(TriggerActionTime::TA_CUSTOM);
    req->setMonitorReplicas(true);
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    req->setReportAllMonitoredAttributes(true);
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    // one trigger for 5 events (insert, update, delete, commit, abort)
    if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL)
      req->setTriggerId(indexPtr.p->customTriggerId);
    req->setTriggerEvent(TriggerEvent::TE_CUSTOM);
    sprintf(triggerName, "NDB$INDEX_%u_CUSTOM", opPtr.p->m_request.getIndexId());
    w.reset();
    w.add(CreateTrigReq::TriggerNameKey, triggerName);
    lsPtr[0].p = buffer;
    lsPtr[0].sz = w.getWordsUsed();
    sendSignal(reference(), GSN_CREATE_TRIG_REQ, 
        signal, CreateTrigReq::SignalLength, JBB, lsPtr, 1);
    // triggers left to create
    opPtr.p->m_triggerCounter = 1;
    return;
  }
  ndbrequire(false);
}

void
Dbdict::alterIndex_fromCreateTrigger(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  ndbrequire(opPtr.p->m_triggerCounter != 0);
  if (--opPtr.p->m_triggerCounter != 0) {
    jam();
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_ABORT;
    alterIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  if(opPtr.p->m_requestType != AlterIndxReq::RT_SYSTEMRESTART){
    // send build request
    alterIndex_toBuildIndex(signal, opPtr);
    return;
  }
  
  /**
   * During system restart, 
   *   leave index in activated but not build state.
   *
   * Build a bit later when REDO has been run
   */
  alterIndex_sendReply(signal, opPtr, true);
}

void
Dbdict::alterIndex_toDropTrigger(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  // start drop of index triggers
  DropTrigReq* const req = (DropTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(DropTrigReq::RT_ALTER_INDEX);
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  req->addRequestFlag(opPtr.p->m_requestFlag);
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  req->setTableId(opPtr.p->m_request.getTableId());
  req->setIndexId(opPtr.p->m_request.getIndexId());
  req->setTriggerInfo(0);       // not used
  opPtr.p->m_triggerCounter = 0;
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  if (indexPtr.p->isHashIndex()) {
    // insert
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    req->setTriggerId(indexPtr.p->insertTriggerId);
    sendSignal(reference(), GSN_DROP_TRIG_REQ, 
        signal, DropTrigReq::SignalLength, JBB);
    opPtr.p->m_triggerCounter++;
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    // update
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    req->setTriggerId(indexPtr.p->updateTriggerId);
    sendSignal(reference(), GSN_DROP_TRIG_REQ, 
        signal, DropTrigReq::SignalLength, JBB);
    opPtr.p->m_triggerCounter++;
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    // delete
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    req->setTriggerId(indexPtr.p->deleteTriggerId);
    sendSignal(reference(), GSN_DROP_TRIG_REQ, 
        signal, DropTrigReq::SignalLength, JBB);
    opPtr.p->m_triggerCounter++;
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    // build
    if (indexPtr.p->buildTriggerId != RNIL) {
      req->setTriggerId(indexPtr.p->buildTriggerId);
      sendSignal(reference(), GSN_DROP_TRIG_REQ, 
          signal, DropTrigReq::SignalLength, JBB);
      opPtr.p->m_triggerCounter++;
    }
    return;
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  }
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  if (indexPtr.p->isOrderedIndex()) {
    // custom
    req->addRequestFlag(RequestFlag::RF_NOTCTRIGGER);
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    req->setTriggerId(indexPtr.p->customTriggerId);
    sendSignal(reference(), GSN_DROP_TRIG_REQ, 
        signal, DropTrigReq::SignalLength, JBB);
    opPtr.p->m_triggerCounter++;
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    return;
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  }
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  ndbrequire(false);
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}

void
Dbdict::alterIndex_fromDropTrigger(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  ndbrequire(opPtr.p->m_triggerCounter != 0);
  if (--opPtr.p->m_triggerCounter != 0) {
    jam();
    return;
  }
  // finally drop index in each TC
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  const bool isHashIndex = indexPtr.p->isHashIndex();
  const bool isOrderedIndex = indexPtr.p->isOrderedIndex();
  ndbrequire(isHashIndex != isOrderedIndex);    // xor
  if (isHashIndex)
    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_TC;
  if (isOrderedIndex)
    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_COMMIT;
  alterIndex_sendSlaveReq(signal, opPtr);
}

void
Dbdict::alterIndex_toBuildIndex(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  // get index and table records
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, indexPtr.p->primaryTableId);
  // build request to self (short signal)
  BuildIndxReq* const req = (BuildIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(BuildIndxReq::RT_ALTER_INDEX);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  req->setBuildId(0);   // not used
  req->setBuildKey(0);  // not used
  req->setIndexType(indexPtr.p->tableType);
  req->setIndexId(indexPtr.i);
  req->setTableId(indexPtr.p->primaryTableId);
  req->setParallelism(16);
  // send
  sendSignal(reference(), GSN_BUILDINDXREQ,
      signal, BuildIndxReq::SignalLength, JBB);
}

void
Dbdict::alterIndex_fromBuildIndex(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = AlterIndxReq::RT_DICT_ABORT;
    alterIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  opPtr.p->m_requestType = AlterIndxReq::RT_DICT_COMMIT;
  alterIndex_sendSlaveReq(signal, opPtr);
}

void
Dbdict::alterIndex_slaveCommit(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  // get index record
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  indexPtr.p->indexState = TableRecord::IS_ONLINE;
}

void
Dbdict::alterIndex_slaveAbort(Signal* signal, OpAlterIndexPtr opPtr)
{
  jam();
  // find index record
  const Uint32 indexId = opPtr.p->m_request.getIndexId();
  if (indexId >= c_tableRecordPool.getSize())
    return;
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, indexId);
  if (! indexPtr.p->isIndex())
    return;
  // mark broken
  indexPtr.p->indexState = TableRecord::IS_BROKEN;
}

void
Dbdict::alterIndex_sendSlaveReq(Signal* signal, OpAlterIndexPtr opPtr)
{
  AlterIndxReq* const req = (AlterIndxReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  NdbNodeBitmask receiverNodes = c_aliveNodes;
  if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL) {
    receiverNodes.clear();
    receiverNodes.set(getOwnNodeId());
  }
  opPtr.p->m_signalCounter = receiverNodes;
  NodeReceiverGroup rg(DBDICT, receiverNodes);
  sendSignal(rg, GSN_ALTER_INDX_REQ,
      signal, AlterIndxReq::SignalLength, JBB);
}

void
Dbdict::alterIndex_sendReply(Signal* signal, OpAlterIndexPtr opPtr,
    bool toUser)
{
  AlterIndxRef* rep = (AlterIndxRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_ALTER_INDX_CONF;
  Uint32 length = AlterIndxConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == AlterIndxReq::RT_DICT_ABORT)
      sendRef = false;
  } else {
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    sendRef = opPtr.p->hasError();
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    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = AlterIndxConf::SignalLength;
  }
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setIndexId(opPtr.p->m_request.getIndexId());
  if (sendRef) {
    if (opPtr.p->m_errorNode == 0)
      opPtr.p->m_errorNode = getOwnNodeId();
    rep->setErrorCode(opPtr.p->m_errorCode);
    rep->setErrorLine(opPtr.p->m_errorLine);
    rep->setErrorNode(opPtr.p->m_errorNode);
    gsn = GSN_ALTER_INDX_REF;
    length = AlterIndxRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/**
 * MODULE: Build index
 *
 * Build index or all indexes on a table.  Request type:
 *
 * RT_USER - normal user request, not yet used
 * RT_ALTER_INDEX - from alter index
 * RT_SYSTEM_RESTART - 
 * RT_DICT_PREPARE - prepare participants
 * RT_DICT_TRIX - to participant on way to local TRIX
 * RT_DICT_COMMIT - commit in each participant
 * RT_DICT_ABORT - abort
 * RT_TRIX - to local TRIX
 */

void
Dbdict::execBUILDINDXREQ(Signal* signal)
{
  jamEntry();
  BuildIndxReq* const req = (BuildIndxReq*)signal->getDataPtrSend();
  OpBuildIndexPtr opPtr;
  const Uint32 senderRef = signal->senderBlockRef();
  const BuildIndxReq::RequestType requestType = req->getRequestType();
  if (requestType == BuildIndxReq::RT_USER ||
      requestType == BuildIndxReq::RT_ALTER_INDEX ||
      requestType == BuildIndxReq::RT_SYSTEMRESTART) {
    jam();
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    const bool isLocal = req->getRequestFlag() & RequestFlag::RF_LOCAL;
    NdbNodeBitmask receiverNodes = c_aliveNodes;
    if (isLocal) {
      receiverNodes.clear();
      receiverNodes.set(getOwnNodeId());
    }
    
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    if (signal->getLength() == BuildIndxReq::SignalLength) {
      jam();
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      if (!isLocal && getOwnNodeId() != c_masterNodeId) {
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        jam();
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	releaseSections(signal);
	OpBuildIndex opBad;
	opPtr.p = &opBad;
	opPtr.p->save(req);
	opPtr.p->m_errorCode = BuildIndxRef::NotMaster;
	opPtr.p->m_errorLine = __LINE__;
	opPtr.p->m_errorNode = c_masterNodeId;
	buildIndex_sendReply(signal, opPtr, true);
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        return;
      }
      // forward initial request plus operation key to all
      req->setOpKey(++c_opRecordSequence);
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      NodeReceiverGroup rg(DBDICT, receiverNodes);
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      sendSignal(rg, GSN_BUILDINDXREQ,
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		 signal, BuildIndxReq::SignalLength + 1, JBB);
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      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == BuildIndxReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpBuildIndex opBusy;
    if (! c_opBuildIndex.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = BuildIndxReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = BuildIndxRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      buildIndex_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opBuildIndex.add(opPtr);
    // master expects to hear from all
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    opPtr.p->m_signalCounter = receiverNodes;
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    buildIndex_sendReply(signal, opPtr, false);
    return;
  }
  c_opBuildIndex.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == BuildIndxReq::RT_DICT_TRIX) {
      jam();
      buildIndex_buildTrix(signal, opPtr);
      return;
    }
    if (requestType == BuildIndxReq::RT_DICT_TC ||
        requestType == BuildIndxReq::RT_DICT_TUX) {
      jam();
      buildIndex_toOnline(signal, opPtr);
      return;
    }
    if (requestType == BuildIndxReq::RT_DICT_COMMIT ||
        requestType == BuildIndxReq::RT_DICT_ABORT) {
      jam();
      buildIndex_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
        c_opBuildIndex.release(opPtr);
      return;
    }
  }
  jam();
  // return to sender
  OpBuildIndex opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
  opPtr.p->m_errorCode = BuildIndxRef::BadRequestType;
  opPtr.p->m_errorLine = __LINE__;
  buildIndex_sendReply(signal, opPtr, true);
}

void
Dbdict::execBUILDINDXCONF(Signal* signal)
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);
  BuildIndxConf* conf = (BuildIndxConf*)signal->getDataPtrSend();
  buildIndex_recvReply(signal, conf, 0);
}

void
Dbdict::execBUILDINDXREF(Signal* signal)
{
  jamEntry();
  BuildIndxRef* ref = (BuildIndxRef*)signal->getDataPtrSend();
  buildIndex_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::buildIndex_recvReply(Signal* signal, const BuildIndxConf* conf,
    const BuildIndxRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const BuildIndxReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == BuildIndxReq::RT_ALTER_INDEX) {
    jam();
    // part of alter index operation
    OpAlterIndexPtr opPtr;
    c_opAlterIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterIndex_fromBuildIndex(signal, opPtr);
    return;
  }

  if (requestType == BuildIndxReq::RT_SYSTEMRESTART) {
    jam();
    if (ref == 0) {
      infoEvent("DICT: index %u rebuild done", (unsigned)key);
    } else {
      warningEvent("DICT: index %u rebuild failed: code=%d line=%d node=%d",
		   (unsigned)key, ref->getErrorCode());
    }
    rebuildIndexes(signal, key + 1);
    return;
  }

  OpBuildIndexPtr opPtr;
  c_opBuildIndex.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  opPtr.p->setError(ref);
  if (requestType == BuildIndxReq::RT_TRIX) {
    jam();
    // forward to master
    opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TRIX;
    buildIndex_sendReply(signal, opPtr, false);
    return;
  }
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == BuildIndxReq::RT_DICT_COMMIT ||
      requestType == BuildIndxReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    buildIndex_sendReply(signal, opPtr, true);
    c_opBuildIndex.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = BuildIndxReq::RT_DICT_ABORT;
    buildIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  if (indexPtr.p->isHashIndex()) {
    if (requestType == BuildIndxReq::RT_DICT_PREPARE) {
      jam();
      if (! (opPtr.p->m_requestFlag & RequestFlag::RF_NOBUILD)) {
        buildIndex_toCreateConstr(signal, opPtr);
      } else {
        opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TC;
        buildIndex_sendSlaveReq(signal, opPtr);
      }
      return;
    }
    if (requestType == BuildIndxReq::RT_DICT_TRIX) {
      jam();
      ndbrequire(! (opPtr.p->m_requestFlag & RequestFlag::RF_NOBUILD));
      buildIndex_toDropConstr(signal, opPtr);
      return;
    }
    if (requestType == BuildIndxReq::RT_DICT_TC) {
      jam();
      opPtr.p->m_requestType = BuildIndxReq::RT_DICT_COMMIT;
      buildIndex_sendSlaveReq(signal, opPtr);
      return;
    }
  }
  if (indexPtr.p->isOrderedIndex()) {
    if (requestType == BuildIndxReq::RT_DICT_PREPARE) {
      jam();
      if (! (opPtr.p->m_requestFlag & RequestFlag::RF_NOBUILD)) {
        opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TRIX;
        buildIndex_sendSlaveReq(signal, opPtr);
      } else {
        opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TUX;
        buildIndex_sendSlaveReq(signal, opPtr);
      }
      return;
    }
    if (requestType == BuildIndxReq::RT_DICT_TRIX) {
      jam();
      ndbrequire(! (opPtr.p->m_requestFlag & RequestFlag::RF_NOBUILD));
      opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TUX;
      buildIndex_sendSlaveReq(signal, opPtr);
      return;
    }
    if (requestType == BuildIndxReq::RT_DICT_TUX) {
      jam();
      opPtr.p->m_requestType = BuildIndxReq::RT_DICT_COMMIT;
      buildIndex_sendSlaveReq(signal, opPtr);
      return;
    }
  }
  ndbrequire(false);
} 

void
Dbdict::buildIndex_toCreateConstr(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  // request to create constraint trigger
  CreateTrigReq* req = (CreateTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(CreateTrigReq::RT_BUILD_INDEX);
  req->addRequestFlag(0);       // none
  req->setTableId(indexPtr.i);
  req->setIndexId(RNIL);
  req->setTriggerId(RNIL);
  req->setTriggerType(TriggerType::READ_ONLY_CONSTRAINT);
  req->setTriggerActionTime(TriggerActionTime::TA_AFTER);
  req->setTriggerEvent(TriggerEvent::TE_UPDATE);
  req->setMonitorReplicas(false);
  req->setMonitorAllAttributes(false);
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  req->setReportAllMonitoredAttributes(true);
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  req->setOnline(true);         // alter online after create
  req->setReceiverRef(0);       // no receiver, REF-ed by TUP
  req->getAttributeMask().clear();
  // NDB$PK is last attribute
  req->getAttributeMask().set(indexPtr.p->noOfAttributes - 1);
  // name section
  char triggerName[MAX_TAB_NAME_SIZE];
  Uint32 buffer[2 + ((MAX_TAB_NAME_SIZE + 3) >> 2)];    // SP string
  LinearWriter w(buffer, sizeof(buffer) >> 2);
  LinearSectionPtr lsPtr[3];
  sprintf(triggerName, "NDB$INDEX_%u_BUILD", indexPtr.i);
  w.reset();
  w.add(CreateTrigReq::TriggerNameKey, triggerName);
  lsPtr[0].p = buffer;
  lsPtr[0].sz = w.getWordsUsed();
  sendSignal(reference(), GSN_CREATE_TRIG_REQ,
      signal, CreateTrigReq::SignalLength, JBB, lsPtr, 1);
}

void
Dbdict::buildIndex_fromCreateConstr(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = BuildIndxReq::RT_DICT_ABORT;
    buildIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TRIX;
  buildIndex_sendSlaveReq(signal, opPtr);
}

void
Dbdict::buildIndex_buildTrix(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, indexPtr.p->primaryTableId);
  // build request
  BuildIndxReq* const req = (BuildIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(BuildIndxReq::RT_TRIX);
  req->setBuildId(0);   // not yet..
  req->setBuildKey(0);  // ..in use
  req->setIndexType(indexPtr.p->tableType);
  req->setIndexId(indexPtr.i);
  req->setTableId(indexPtr.p->primaryTableId);
  req->setParallelism(16);
  if (indexPtr.p->isHashIndex()) {
    jam();
    getIndexAttrList(indexPtr, opPtr.p->m_attrList);
    getTableKeyList(tablePtr, opPtr.p->m_tableKeyList);
    // send
    LinearSectionPtr lsPtr[3];
    lsPtr[0].sz = opPtr.p->m_attrList.sz;
    lsPtr[0].p = opPtr.p->m_attrList.id;
    lsPtr[1].sz = opPtr.p->m_tableKeyList.sz;
    lsPtr[1].p = opPtr.p->m_tableKeyList.id;
    sendSignal(calcTrixBlockRef(getOwnNodeId()), GSN_BUILDINDXREQ,
        signal, BuildIndxReq::SignalLength, JBB, lsPtr, 2);
    return;
  }
  if (indexPtr.p->isOrderedIndex()) {
    jam();
    sendSignal(calcTupBlockRef(getOwnNodeId()), GSN_BUILDINDXREQ,
        signal, BuildIndxReq::SignalLength, JBB);
    return;
  }
  ndbrequire(false);
}

void
Dbdict::buildIndex_toDropConstr(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  // request to drop constraint trigger
  DropTrigReq* req = (DropTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(DropTrigReq::RT_BUILD_INDEX);
  req->addRequestFlag(0);       // none
  req->setTableId(indexPtr.i);
  req->setIndexId(RNIL);
  req->setTriggerId(opPtr.p->m_constrTriggerId);
  req->setTriggerInfo(0);       // not used
  sendSignal(reference(), GSN_DROP_TRIG_REQ,
      signal, DropTrigReq::SignalLength, JBB);
}

void
Dbdict::buildIndex_fromDropConstr(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = BuildIndxReq::RT_DICT_ABORT;
    buildIndex_sendSlaveReq(signal, opPtr);
    return;
  }
  opPtr.p->m_requestType = BuildIndxReq::RT_DICT_TC;
  buildIndex_sendSlaveReq(signal, opPtr);
}

void
Dbdict::buildIndex_toOnline(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  TableRecordPtr indexPtr;
  c_tableRecordPool.getPtr(indexPtr, opPtr.p->m_request.getIndexId());
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, indexPtr.p->primaryTableId);
  // request to set index online in TC or TUX
  AlterIndxReq* const req = (AlterIndxReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TC) {
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    jam();
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    req->setRequestType(AlterIndxReq::RT_TC);
  } else if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TUX) {
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    jam();
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    req->setRequestType(AlterIndxReq::RT_TUX);
  } else {
    ndbrequire(false);
  }
  req->setTableId(tablePtr.i);
  req->setIndexId(indexPtr.i);
  req->setIndexVersion(indexPtr.p->tableVersion);
  req->setOnline(true);
  BlockReference blockRef = 0;
  if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TC) {
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    jam();
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    blockRef = calcTcBlockRef(getOwnNodeId());
  } else if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_TUX) {
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    jam();
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    blockRef = calcTuxBlockRef(getOwnNodeId());
  } else {
    ndbrequire(false);
  }
  // send
  sendSignal(blockRef, GSN_ALTER_INDX_REQ,
      signal, BuildIndxReq::SignalLength, JBB);
}

void
Dbdict::buildIndex_fromOnline(Signal* signal, OpBuildIndexPtr opPtr)
{
  jam();
  // forward to master
  buildIndex_sendReply(signal, opPtr, false);
}

void
Dbdict::buildIndex_sendSlaveReq(Signal* signal, OpBuildIndexPtr opPtr)
{
  BuildIndxReq* const req = (BuildIndxReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
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  if(opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL) {
    jam();
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    opPtr.p->m_signalCounter.clearWaitingFor();
    opPtr.p->m_signalCounter.setWaitingFor(getOwnNodeId());
    sendSignal(reference(), GSN_BUILDINDXREQ,
	       signal, BuildIndxReq::SignalLength, JBB);
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  } else {
    jam();
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    opPtr.p->m_signalCounter = c_aliveNodes;
    NodeReceiverGroup rg(DBDICT, c_aliveNodes);
    sendSignal(rg, GSN_BUILDINDXREQ,
	       signal, BuildIndxReq::SignalLength, JBB);
  }
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}

void
Dbdict::buildIndex_sendReply(Signal* signal, OpBuildIndexPtr opPtr,
    bool toUser)
{
  BuildIndxRef* rep = (BuildIndxRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_BUILDINDXCONF;
  Uint32 length = BuildIndxConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == BuildIndxReq::RT_DICT_ABORT)
      sendRef = false;
  } else {
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    sendRef = opPtr.p->hasError();
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    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = BuildIndxConf::SignalLength;
  }
  rep->setIndexType(opPtr.p->m_request.getIndexType());
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setIndexId(opPtr.p->m_request.getIndexId());
  if (sendRef) {
    rep->setErrorCode(opPtr.p->m_errorCode);
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    rep->masterNodeId = opPtr.p->m_errorNode;
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    gsn = GSN_BUILDINDXREF;
    length = BuildIndxRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/**
 * MODULE: Create trigger
 *
 * Create trigger in all DICT blocks.  Optionally start alter trigger
 * operation to set the trigger online.
 *
 * Request type received in REQ and returned in CONF/REF:
 *
 * RT_USER - normal user e.g. BACKUP
 * RT_ALTER_INDEX - from alter index online
 * RT_DICT_PREPARE - seize operation in each DICT
 * RT_DICT_COMMIT - commit create in each DICT
 * RT_TC - sending to TC (operation alter trigger)
 * RT_LQH - sending to LQH (operation alter trigger)
 */

void
Dbdict::execCREATE_TRIG_REQ(Signal* signal) 
{
  jamEntry();
  CreateTrigReq* const req = (CreateTrigReq*)signal->getDataPtrSend();
  OpCreateTriggerPtr opPtr;
  const Uint32 senderRef = signal->senderBlockRef();
  const CreateTrigReq::RequestType requestType = req->getRequestType();
  if (requestType == CreateTrigReq::RT_USER ||
      requestType == CreateTrigReq::RT_ALTER_INDEX ||
      requestType == CreateTrigReq::RT_BUILD_INDEX) {
    jam();
    if (! assembleFragments(signal)) {
      jam();
      return;
    }
    const bool isLocal = req->getRequestFlag() & RequestFlag::RF_LOCAL;
    NdbNodeBitmask receiverNodes = c_aliveNodes;
    if (isLocal) {
      receiverNodes.clear();
      receiverNodes.set(getOwnNodeId());
    }
    if (signal->getLength() == CreateTrigReq::SignalLength) {
      jam();
      if (! isLocal && getOwnNodeId() != c_masterNodeId) {
        jam();
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	releaseSections(signal);
	OpCreateTrigger opBad;
	opPtr.p = &opBad;
	opPtr.p->save(req);
	opPtr.p->m_errorCode = CreateTrigRef::NotMaster;
	opPtr.p->m_errorLine = __LINE__;
	opPtr.p->m_errorNode = c_masterNodeId;
	createTrigger_sendReply(signal,  opPtr, true);
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        return;
      }
      // forward initial request plus operation key to all
      req->setOpKey(++c_opRecordSequence);
      NodeReceiverGroup rg(DBDICT, receiverNodes);
      sendSignal(rg, GSN_CREATE_TRIG_REQ,
          signal, CreateTrigReq::SignalLength + 1, JBB);
      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == CreateTrigReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpCreateTrigger opBusy;
    if (! c_opCreateTrigger.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = CreateTrigReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = CreateTrigRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      releaseSections(signal);
      createTrigger_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opCreateTrigger.add(opPtr);
    {
      // save name
      SegmentedSectionPtr ssPtr;
      signal->getSection(ssPtr, CreateTrigReq::TRIGGER_NAME_SECTION);
      SimplePropertiesSectionReader ssReader(ssPtr, getSectionSegmentPool());
      if (ssReader.getKey() != CreateTrigReq::TriggerNameKey ||
	  ! ssReader.getString(opPtr.p->m_triggerName)) {
	jam();
	opPtr.p->m_errorCode = CreateTrigRef::InvalidName;
	opPtr.p->m_errorLine = __LINE__;
	releaseSections(signal);
	createTrigger_sendReply(signal, opPtr, opPtr.p->m_isMaster);
	return;
      }
    }
    releaseSections(signal);
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    if(get_object(opPtr.p->m_triggerName) != 0){
      jam();
      opPtr.p->m_errorCode = CreateTrigRef::TriggerExists;
      opPtr.p->m_errorLine = __LINE__;
      createTrigger_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
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    }
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    // master expects to hear from all
    if (opPtr.p->m_isMaster)
      opPtr.p->m_signalCounter = receiverNodes;
    // check request in all participants
    createTrigger_slavePrepare(signal, opPtr);
    createTrigger_sendReply(signal, opPtr, false);
    return;
  }
  c_opCreateTrigger.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == CreateTrigReq::RT_DICT_CREATE) {
      jam();
      // master has set trigger id
      opPtr.p->m_request.setTriggerId(req->getTriggerId());
      createTrigger_slaveCreate(signal, opPtr);
      createTrigger_sendReply(signal, opPtr, false);
      return;
    }
    if (requestType == CreateTrigReq::RT_DICT_COMMIT ||
        requestType == CreateTrigReq::RT_DICT_ABORT) {
      jam();
      if (requestType == CreateTrigReq::RT_DICT_COMMIT)
        createTrigger_slaveCommit(signal, opPtr);
      else
        createTrigger_slaveAbort(signal, opPtr);
      createTrigger_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
        c_opCreateTrigger.release(opPtr);
      return;
    }
  }
  jam();
  // return to sender
  releaseSections(signal);
  OpCreateTrigger opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
  opPtr.p->m_errorCode = CreateTrigRef::BadRequestType;
  opPtr.p->m_errorLine = __LINE__;
  createTrigger_sendReply(signal,  opPtr, true);
}

void
Dbdict::execCREATE_TRIG_CONF(Signal* signal) 
{
  jamEntry();
  ndbrequire(signal->getNoOfSections() == 0);
  CreateTrigConf* conf = (CreateTrigConf*)signal->getDataPtrSend();
  createTrigger_recvReply(signal, conf, 0);
}

void
Dbdict::execCREATE_TRIG_REF(Signal* signal) 
{
  jamEntry();
  CreateTrigRef* ref = (CreateTrigRef*)signal->getDataPtrSend();
  createTrigger_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::createTrigger_recvReply(Signal* signal, const CreateTrigConf* conf,
    const CreateTrigRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const CreateTrigReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == CreateTrigReq::RT_ALTER_INDEX) {
    jam();
    // part of alter index operation
    OpAlterIndexPtr opPtr;
    c_opAlterIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterIndex_fromCreateTrigger(signal, opPtr);
    return;
  }
  if (requestType == CreateTrigReq::RT_BUILD_INDEX) {
    jam();
    // part of build index operation
    OpBuildIndexPtr opPtr;
    c_opBuildIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    // fill in trigger id
    opPtr.p->m_constrTriggerId = conf->getTriggerId();
    buildIndex_fromCreateConstr(signal, opPtr);
    return;
  }
  if (requestType == CreateTrigReq::RT_TC ||
      requestType == CreateTrigReq::RT_LQH) {
    jam();
    // part of alter trigger operation
    OpAlterTriggerPtr opPtr;
    c_opAlterTrigger.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterTrigger_fromCreateLocal(signal, opPtr);
    return;
  }
  OpCreateTriggerPtr opPtr;
  c_opCreateTrigger.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  opPtr.p->setError(ref);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == CreateTrigReq::RT_DICT_COMMIT ||
      requestType == CreateTrigReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    createTrigger_sendReply(signal, opPtr, true);
    c_opCreateTrigger.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = CreateTrigReq::RT_DICT_ABORT;
    createTrigger_sendSlaveReq(signal, opPtr);
    return;
  }
  if (requestType == CreateTrigReq::RT_DICT_PREPARE) {
    jam();
    // seize trigger id in master
    createTrigger_masterSeize(signal, opPtr);
    if (opPtr.p->hasError()) {
      jam();
      opPtr.p->m_requestType = CreateTrigReq::RT_DICT_ABORT;
      createTrigger_sendSlaveReq(signal, opPtr);
      return;
    }
    opPtr.p->m_requestType = CreateTrigReq::RT_DICT_CREATE;
    createTrigger_sendSlaveReq(signal, opPtr);
    return;
  }
  if (requestType == CreateTrigReq::RT_DICT_CREATE) {
    jam();
    if (opPtr.p->m_request.getOnline()) {
      jam();
      // start alter online
      createTrigger_toAlterTrigger(signal, opPtr);
      return;
    }
    opPtr.p->m_requestType = CreateTrigReq::RT_DICT_COMMIT;
    createTrigger_sendSlaveReq(signal, opPtr);
    return;
  }
  ndbrequire(false);
}

void
Dbdict::createTrigger_slavePrepare(Signal* signal, OpCreateTriggerPtr opPtr)
{
  jam();
  const CreateTrigReq* const req = &opPtr.p->m_request;
  // check trigger type
  if (req->getRequestType() == CreateTrigReq::RT_USER &&
      req->getTriggerType() == TriggerType::SUBSCRIPTION ||
      req->getRequestType() == CreateTrigReq::RT_ALTER_INDEX &&
      req->getTriggerType() == TriggerType::SECONDARY_INDEX ||
      req->getRequestType() == CreateTrigReq::RT_ALTER_INDEX &&
      req->getTriggerType() == TriggerType::ORDERED_INDEX ||
      req->getRequestType() == CreateTrigReq::RT_BUILD_INDEX &&
      req->getTriggerType() == TriggerType::READ_ONLY_CONSTRAINT) {
    ;
  } else {
    jam();
    opPtr.p->m_errorCode = CreateTrigRef::UnsupportedTriggerType;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  // check the table
  const Uint32 tableId = req->getTableId();
  if (! (tableId < c_tableRecordPool.getSize())) {
    jam();
    opPtr.p->m_errorCode = CreateTrigRef::InvalidTable;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  TableRecordPtr tablePtr;
  c_tableRecordPool.getPtr(tablePtr, tableId);
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  if (tablePtr.p->tabState != TableRecord::DEFINED &&
      tablePtr.p->tabState != TableRecord::BACKUP_ONGOING) {
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    jam();
    opPtr.p->m_errorCode = CreateTrigRef::InvalidTable;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
}

void
Dbdict::createTrigger_masterSeize(Signal* signal, OpCreateTriggerPtr opPtr)
{
  TriggerRecordPtr triggerPtr;
  if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL) {
    triggerPtr.i = opPtr.p->m_request.getTriggerId();
  } else {
    triggerPtr.i = getFreeTriggerRecord();
    if (triggerPtr.i == RNIL) {
      jam();
      opPtr.p->m_errorCode = CreateTrigRef::TooManyTriggers;
      opPtr.p->m_errorLine = __LINE__;
      return;
    }
  }
  c_triggerRecordPool.getPtr(triggerPtr);
  initialiseTriggerRecord(triggerPtr);
  triggerPtr.p->triggerState = TriggerRecord::TS_DEFINING;
  opPtr.p->m_request.setTriggerId(triggerPtr.i);
}

void
Dbdict::createTrigger_slaveCreate(Signal* signal, OpCreateTriggerPtr opPtr)
{
  jam();
  const CreateTrigReq* const req = &opPtr.p->m_request;
  // get the trigger record
  const Uint32 triggerId = req->getTriggerId();
  TriggerRecordPtr triggerPtr;
  c_triggerRecordPool.getPtr(triggerPtr, triggerId);
  initialiseTriggerRecord(triggerPtr);
  // fill in trigger data
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  {
    Rope name(c_rope_pool, triggerPtr.p->triggerName);
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    if(!name.assign(opPtr.p->m_triggerName))
    {
      opPtr.p->m_errorCode = (CreateTrigRef::ErrorCode)CreateTableRef::OutOfStringBuffer;
      return;
    }
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  }
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  triggerPtr.p->triggerId = triggerId;
  triggerPtr.p->tableId = req->getTableId();
  triggerPtr.p->indexId = RNIL;
  triggerPtr.p->triggerType = req->getTriggerType();
  triggerPtr.p->triggerActionTime = req->getTriggerActionTime();
  triggerPtr.p->triggerEvent = req->getTriggerEvent();
  triggerPtr.p->monitorReplicas = req->getMonitorReplicas();
  triggerPtr.p->monitorAllAttributes = req->getMonitorAllAttributes();
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  triggerPtr.p->reportAllMonitoredAttributes = req->getReportAllMonitoredAttributes();
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  triggerPtr.p->attributeMask = req->getAttributeMask();
  triggerPtr.p->triggerState = TriggerRecord::TS_OFFLINE;
  // add to hash table
  //  ndbout_c("++++++++++++ Adding trigger id %u, %s", triggerPtr.p->triggerId, triggerPtr.p->triggerName);
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  {
    Ptr<DictObject> obj_ptr;
    ndbrequire(c_obj_hash.seize(obj_ptr));
    obj_ptr.p->m_name = triggerPtr.p->triggerName;
    obj_ptr.p->m_id = triggerId;
    obj_ptr.p->m_type = triggerPtr.p->triggerType;
    obj_ptr.p->m_ref_count = 0;
    c_obj_hash.add(obj_ptr);
    triggerPtr.p->m_obj_ptr_i = obj_ptr.i;
  }
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  if (triggerPtr.p->triggerType == TriggerType::SECONDARY_INDEX ||
      triggerPtr.p->triggerType == TriggerType::ORDERED_INDEX) {
    jam();
    // connect to index record  XXX should be done in caller instead
    triggerPtr.p->indexId = req->getIndexId();
    TableRecordPtr indexPtr;
    c_tableRecordPool.getPtr(indexPtr, triggerPtr.p->indexId);
    switch (triggerPtr.p->triggerEvent) {
    case TriggerEvent::TE_INSERT:
      indexPtr.p->insertTriggerId = triggerPtr.p->triggerId;
      break;
    case TriggerEvent::TE_UPDATE:
      indexPtr.p->updateTriggerId = triggerPtr.p->triggerId;
      break;
    case TriggerEvent::TE_DELETE:
      indexPtr.p->deleteTriggerId = triggerPtr.p->triggerId;
      break;
    case TriggerEvent::TE_CUSTOM:
      indexPtr.p->customTriggerId = triggerPtr.p->triggerId;
      break;
    default:
      ndbrequire(false);
      break;
    }
  }
  if (triggerPtr.p->triggerType == TriggerType::READ_ONLY_CONSTRAINT) {
    jam();
    // connect to index record  XXX should be done in caller instead
    triggerPtr.p->indexId = req->getTableId();
    TableRecordPtr indexPtr;
    c_tableRecordPool.getPtr(indexPtr, triggerPtr.p->indexId);
    indexPtr.p->buildTriggerId = triggerPtr.p->triggerId;
  }
}

void
Dbdict::createTrigger_toAlterTrigger(Signal* signal, OpCreateTriggerPtr opPtr)
{
  jam();
  AlterTrigReq* req = (AlterTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(AlterTrigReq::RT_CREATE_TRIGGER);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  req->setTableId(opPtr.p->m_request.getTableId());
  req->setTriggerId(opPtr.p->m_request.getTriggerId());
  req->setTriggerInfo(0);       // not used
  req->setOnline(true);
  req->setReceiverRef(opPtr.p->m_request.getReceiverRef());
  sendSignal(reference(), GSN_ALTER_TRIG_REQ,
      signal, AlterTrigReq::SignalLength, JBB);
}

void
Dbdict::createTrigger_fromAlterTrigger(Signal* signal, OpCreateTriggerPtr opPtr)
{
  jam();
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = CreateTrigReq::RT_DICT_ABORT;
    createTrigger_sendSlaveReq(signal, opPtr);
    return;
  }
  opPtr.p->m_requestType = CreateTrigReq::RT_DICT_COMMIT;
  createTrigger_sendSlaveReq(signal, opPtr);
}

void
Dbdict::createTrigger_slaveCommit(Signal* signal, OpCreateTriggerPtr opPtr)
{
  jam();
  const CreateTrigReq* const req = &opPtr.p->m_request;
  // get the trigger record
  const Uint32 triggerId = req->getTriggerId();
  TriggerRecordPtr triggerPtr;
  c_triggerRecordPool.getPtr(triggerPtr, triggerId);
  if (! req->getOnline()) {
    triggerPtr.p->triggerState = TriggerRecord::TS_OFFLINE;
  } else {
    ndbrequire(triggerPtr.p->triggerState == TriggerRecord::TS_ONLINE);
  }
}

void
Dbdict::createTrigger_slaveAbort(Signal* signal, OpCreateTriggerPtr opPtr)
{
  jam();
}

void
Dbdict::createTrigger_sendSlaveReq(Signal* signal, OpCreateTriggerPtr opPtr)
{
  CreateTrigReq* const req = (CreateTrigReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  NdbNodeBitmask receiverNodes = c_aliveNodes;
  if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL) {
    receiverNodes.clear();
    receiverNodes.set(getOwnNodeId());
  }
  opPtr.p->m_signalCounter = receiverNodes;
  NodeReceiverGroup rg(DBDICT, receiverNodes);
  sendSignal(rg, GSN_CREATE_TRIG_REQ,
      signal, CreateTrigReq::SignalLength, JBB);
}

void
Dbdict::createTrigger_sendReply(Signal* signal, OpCreateTriggerPtr opPtr,
    bool toUser)
{
  CreateTrigRef* rep = (CreateTrigRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_CREATE_TRIG_CONF;
  Uint32 length = CreateTrigConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == CreateTrigReq::RT_DICT_ABORT)
      sendRef = false;
  } else {
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    sendRef = opPtr.p->hasError();
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    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = CreateTrigConf::SignalLength;
  }
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setIndexId(opPtr.p->m_request.getIndexId());
  rep->setTriggerId(opPtr.p->m_request.getTriggerId());
  rep->setTriggerInfo(opPtr.p->m_request.getTriggerInfo());
  if (sendRef) {
    if (opPtr.p->m_errorNode == 0)
      opPtr.p->m_errorNode = getOwnNodeId();
    rep->setErrorCode(opPtr.p->m_errorCode);
    rep->setErrorLine(opPtr.p->m_errorLine);
    rep->setErrorNode(opPtr.p->m_errorNode);
    gsn = GSN_CREATE_TRIG_REF;
    length = CreateTrigRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/**
 * MODULE: Drop trigger.
 */

void
Dbdict::execDROP_TRIG_REQ(Signal* signal) 
{
  jamEntry();
  DropTrigReq* const req = (DropTrigReq*)signal->getDataPtrSend();
  OpDropTriggerPtr opPtr;
  const Uint32 senderRef = signal->senderBlockRef();
  const DropTrigReq::RequestType requestType = req->getRequestType();

  if (signal->getNoOfSections() > 0) {
    ndbrequire(signal->getNoOfSections() == 1);
    jam();
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    char triggerName[MAX_TAB_NAME_SIZE];
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    OpDropTrigger opTmp;
    opPtr.p=&opTmp;

    SegmentedSectionPtr ssPtr;
    signal->getSection(ssPtr, DropTrigReq::TRIGGER_NAME_SECTION);
    SimplePropertiesSectionReader ssReader(ssPtr, getSectionSegmentPool());
    if (ssReader.getKey() != DropTrigReq::TriggerNameKey ||
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	! ssReader.getString(triggerName)) {
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      jam();
      opPtr.p->m_errorCode = DropTrigRef::InvalidName;
      opPtr.p->m_errorLine = __LINE__;
      releaseSections(signal);
      dropTrigger_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    releaseSections(signal);

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    //ndbout_c("++++++++++++++ Looking for trigger %s", keyRecord.triggerName);
    DictObject * obj_ptr_p = get_object(triggerName);
    if (obj_ptr_p == 0){
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      jam();
      req->setTriggerId(RNIL);
    } else {
      jam();
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      //ndbout_c("++++++++++ Found trigger %s", triggerPtr.p->triggerName);
      TriggerRecordPtr triggerPtr;
      c_triggerRecordPool.getPtr(triggerPtr, obj_ptr_p->m_id);
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      req->setTriggerId(triggerPtr.p->triggerId);
      req->setTableId(triggerPtr.p->tableId);
    }
  }
  if (requestType == DropTrigReq::RT_USER ||
      requestType == DropTrigReq::RT_ALTER_INDEX ||
      requestType == DropTrigReq::RT_BUILD_INDEX) {
    jam();
    if (signal->getLength() == DropTrigReq::SignalLength) {
      if (getOwnNodeId() != c_masterNodeId) {
	jam();
	// forward to DICT master
	sendSignal(calcDictBlockRef(c_masterNodeId), GSN_DROP_TRIG_REQ,
		   signal, signal->getLength(), JBB);
	return;
      }
      if (!c_triggerRecordPool.findId(req->getTriggerId())) {
	jam();
	// return to sender
	OpDropTrigger opBad;
	opPtr.p = &opBad;
	opPtr.p->save(req);
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        if (! (req->getRequestFlag() & RequestFlag::RF_FORCE)) {
          opPtr.p->m_errorCode = DropTrigRef::TriggerNotFound;
          opPtr.p->m_errorLine = __LINE__;
        }
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	dropTrigger_sendReply(signal,  opPtr, true);
	return;
      }
      // forward initial request plus operation key to all
      req->setOpKey(++c_opRecordSequence);
      NodeReceiverGroup rg(DBDICT, c_aliveNodes);
      sendSignal(rg, GSN_DROP_TRIG_REQ,
		 signal, DropTrigReq::SignalLength + 1, JBB);
      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == DropTrigReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpDropTrigger opBusy;
    if (! c_opDropTrigger.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = DropTrigReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = DropTrigRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      dropTrigger_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opDropTrigger.add(opPtr);
      // master expects to hear from all
    if (opPtr.p->m_isMaster)
	opPtr.p->m_signalCounter = c_aliveNodes;
    dropTrigger_slavePrepare(signal, opPtr);
    dropTrigger_sendReply(signal, opPtr, false);
    return;
  }
  c_opDropTrigger.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == DropTrigReq::RT_DICT_COMMIT ||
	requestType == DropTrigReq::RT_DICT_ABORT) {
      jam();
      if (requestType == DropTrigReq::RT_DICT_COMMIT)
	dropTrigger_slaveCommit(signal, opPtr);
      else
	dropTrigger_slaveAbort(signal, opPtr);
      dropTrigger_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
	c_opDropTrigger.release(opPtr);
      return;
    }
  }
  jam();
  // return to sender
  OpDropTrigger opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
  opPtr.p->m_errorCode = DropTrigRef::BadRequestType;
  opPtr.p->m_errorLine = __LINE__;
  dropTrigger_sendReply(signal,  opPtr, true);
}

void
Dbdict::execDROP_TRIG_CONF(Signal* signal) 
{
  jamEntry();
  DropTrigConf* conf = (DropTrigConf*)signal->getDataPtrSend();
  dropTrigger_recvReply(signal, conf, 0);
}

void
Dbdict::execDROP_TRIG_REF(Signal* signal) 
{
  jamEntry();
  DropTrigRef* ref = (DropTrigRef*)signal->getDataPtrSend();
  dropTrigger_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::dropTrigger_recvReply(Signal* signal, const DropTrigConf* conf,
    const DropTrigRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const DropTrigReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == DropTrigReq::RT_ALTER_INDEX) {
    jam();
    // part of alter index operation
    OpAlterIndexPtr opPtr;
    c_opAlterIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterIndex_fromDropTrigger(signal, opPtr);
    return;
  }
  if (requestType == DropTrigReq::RT_BUILD_INDEX) {
    jam();
    // part of build index operation
    OpBuildIndexPtr opPtr;
    c_opBuildIndex.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    buildIndex_fromDropConstr(signal, opPtr);
    return;
  }
  if (requestType == DropTrigReq::RT_TC ||
      requestType == DropTrigReq::RT_LQH) {
    jam();
    // part of alter trigger operation
    OpAlterTriggerPtr opPtr;
    c_opAlterTrigger.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    alterTrigger_fromDropLocal(signal, opPtr);
    return;
  }
  OpDropTriggerPtr opPtr;
  c_opDropTrigger.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  opPtr.p->setError(ref);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == DropTrigReq::RT_DICT_COMMIT ||
      requestType == DropTrigReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    dropTrigger_sendReply(signal, opPtr, true);
    c_opDropTrigger.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = DropTrigReq::RT_DICT_ABORT;
    dropTrigger_sendSlaveReq(signal, opPtr);
    return;
  }
  if (requestType == DropTrigReq::RT_DICT_PREPARE) {
    jam();
    // start alter offline
    dropTrigger_toAlterTrigger(signal, opPtr);
    return;
  }
  ndbrequire(false);
}

void
Dbdict::dropTrigger_slavePrepare(Signal* signal, OpDropTriggerPtr opPtr)
{
  jam();
}

void
Dbdict::dropTrigger_toAlterTrigger(Signal* signal, OpDropTriggerPtr opPtr)
{
  jam();
  AlterTrigReq* req = (AlterTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(AlterTrigReq::RT_DROP_TRIGGER);
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  req->addRequestFlag(opPtr.p->m_requestFlag);
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  req->setTableId(opPtr.p->m_request.getTableId());
  req->setTriggerId(opPtr.p->m_request.getTriggerId());
  req->setTriggerInfo(0);       // not used
  req->setOnline(false);
  req->setReceiverRef(0);
  sendSignal(reference(), GSN_ALTER_TRIG_REQ,
      signal, AlterTrigReq::SignalLength, JBB);
}

void
Dbdict::dropTrigger_fromAlterTrigger(Signal* signal, OpDropTriggerPtr opPtr)
{
  jam();
  // remove in all
  opPtr.p->m_requestType = DropTrigReq::RT_DICT_COMMIT;
  dropTrigger_sendSlaveReq(signal, opPtr);
}

void
Dbdict::dropTrigger_sendSlaveReq(Signal* signal, OpDropTriggerPtr opPtr)
{
  DropTrigReq* const req = (DropTrigReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  opPtr.p->m_signalCounter = c_aliveNodes;
  NodeReceiverGroup rg(DBDICT, c_aliveNodes);
  sendSignal(rg, GSN_DROP_TRIG_REQ,
      signal, DropTrigReq::SignalLength, JBB);
}

void
Dbdict::dropTrigger_slaveCommit(Signal* signal, OpDropTriggerPtr opPtr)
{
  jam();
  const DropTrigReq* const req = &opPtr.p->m_request;
  // get trigger record
  const Uint32 triggerId = req->getTriggerId();
  TriggerRecordPtr triggerPtr;
  c_triggerRecordPool.getPtr(triggerPtr, triggerId);
  if (triggerPtr.p->triggerType == TriggerType::SECONDARY_INDEX ||
      triggerPtr.p->triggerType == TriggerType::ORDERED_INDEX) {
    jam();
    // disconnect from index if index trigger  XXX move to drop index
    triggerPtr.p->indexId = req->getIndexId();
    TableRecordPtr indexPtr;
    c_tableRecordPool.getPtr(indexPtr, triggerPtr.p->indexId);
    ndbrequire(! indexPtr.isNull());
    switch (triggerPtr.p->triggerEvent) {
    case TriggerEvent::TE_INSERT:
      indexPtr.p->insertTriggerId = RNIL;
      break;
    case TriggerEvent::TE_UPDATE:
      indexPtr.p->updateTriggerId = RNIL;
      break;
    case TriggerEvent::TE_DELETE:
      indexPtr.p->deleteTriggerId = RNIL;
      break;
    case TriggerEvent::TE_CUSTOM:
      indexPtr.p->customTriggerId = RNIL;
      break;
    default:
      ndbrequire(false);
      break;
    }
  }
  if (triggerPtr.p->triggerType == TriggerType::READ_ONLY_CONSTRAINT) {
    jam();
    // disconnect from index record  XXX should be done in caller instead
    triggerPtr.p->indexId = req->getTableId();
    TableRecordPtr indexPtr;
    c_tableRecordPool.getPtr(indexPtr, triggerPtr.p->indexId);
    indexPtr.p->buildTriggerId = RNIL;
  }
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  //remove trigger
  //ndbout_c("++++++++++++ Removing trigger id %u, %s", triggerPtr.p->triggerId, triggerPtr.p->triggerName);
  release_object(triggerPtr.p->m_obj_ptr_i);
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  triggerPtr.p->triggerState = TriggerRecord::TS_NOT_DEFINED;
}

void
Dbdict::dropTrigger_slaveAbort(Signal* signal, OpDropTriggerPtr opPtr)
{
  jam();
}

void
Dbdict::dropTrigger_sendReply(Signal* signal, OpDropTriggerPtr opPtr,
    bool toUser)
{
  DropTrigRef* rep = (DropTrigRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_DROP_TRIG_CONF;
  Uint32 length = DropTrigConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == DropTrigReq::RT_DICT_ABORT)
      sendRef = false;
  } else {
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    sendRef = opPtr.p->hasError();
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    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = DropTrigConf::SignalLength;
  }
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setIndexId(opPtr.p->m_request.getIndexId());
  rep->setTriggerId(opPtr.p->m_request.getTriggerId());
  if (sendRef) {
    if (opPtr.p->m_errorNode == 0)
      opPtr.p->m_errorNode = getOwnNodeId();
    rep->setErrorCode(opPtr.p->m_errorCode);
    rep->setErrorLine(opPtr.p->m_errorLine);
    rep->setErrorNode(opPtr.p->m_errorNode);
    gsn = GSN_DROP_TRIG_REF;
    length = CreateTrigRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/**
 * MODULE: Alter trigger.
 *
 * Alter trigger state.  Alter online creates the trigger first in all
 * TC (if index trigger) and then in all LQH-TUP.
 *
 * Request type received in REQ and returned in CONF/REF:
 *
 * RT_USER - normal user e.g. BACKUP
 * RT_CREATE_TRIGGER - from create trigger
 * RT_DROP_TRIGGER - from drop trigger
 * RT_DICT_PREPARE - seize operations and check request
 * RT_DICT_TC - master to each DICT on way to TC
 * RT_DICT_LQH - master to each DICT on way to LQH-TUP
 * RT_DICT_COMMIT - commit state change in each DICT (no reply)
 */

void
Dbdict::execALTER_TRIG_REQ(Signal* signal) 
{
  jamEntry();
  AlterTrigReq* const req = (AlterTrigReq*)signal->getDataPtrSend();
  OpAlterTriggerPtr opPtr;
  const Uint32 senderRef = signal->senderBlockRef();
  const AlterTrigReq::RequestType requestType = req->getRequestType();
  if (requestType == AlterTrigReq::RT_USER ||
      requestType == AlterTrigReq::RT_CREATE_TRIGGER ||
      requestType == AlterTrigReq::RT_DROP_TRIGGER) {
    jam();
    const bool isLocal = req->getRequestFlag() & RequestFlag::RF_LOCAL;
    NdbNodeBitmask receiverNodes = c_aliveNodes;
    if (isLocal) {
      receiverNodes.clear();
      receiverNodes.set(getOwnNodeId());
    }
    if (signal->getLength() == AlterTrigReq::SignalLength) {
      jam();
      if (! isLocal && getOwnNodeId() != c_masterNodeId) {
        jam();
        // forward to DICT master
        sendSignal(calcDictBlockRef(c_masterNodeId), GSN_ALTER_TRIG_REQ,
            signal, AlterTrigReq::SignalLength, JBB);
        return;
      }
      // forward initial request plus operation key to all
      req->setOpKey(++c_opRecordSequence);
      NodeReceiverGroup rg(DBDICT, receiverNodes);
      sendSignal(rg, GSN_ALTER_TRIG_REQ,
          signal, AlterTrigReq::SignalLength + 1, JBB);
      return;
    }
    // seize operation record
    ndbrequire(signal->getLength() == AlterTrigReq::SignalLength + 1);
    const Uint32 opKey = req->getOpKey();
    OpAlterTrigger opBusy;
    if (! c_opAlterTrigger.seize(opPtr))
      opPtr.p = &opBusy;
    opPtr.p->save(req);
    opPtr.p->m_coordinatorRef = senderRef;
    opPtr.p->m_isMaster = (senderRef == reference());
    opPtr.p->key = opKey;
    opPtr.p->m_requestType = AlterTrigReq::RT_DICT_PREPARE;
    if (opPtr.p == &opBusy) {
      jam();
      opPtr.p->m_errorCode = AlterTrigRef::Busy;
      opPtr.p->m_errorLine = __LINE__;
      alterTrigger_sendReply(signal, opPtr, opPtr.p->m_isMaster);
      return;
    }
    c_opAlterTrigger.add(opPtr);
    // master expects to hear from all
    if (opPtr.p->m_isMaster) {
      opPtr.p->m_nodes = receiverNodes;
      opPtr.p->m_signalCounter = receiverNodes;
    }
    alterTrigger_slavePrepare(signal, opPtr);
    alterTrigger_sendReply(signal, opPtr, false);
    return;
  }
  c_opAlterTrigger.find(opPtr, req->getConnectionPtr());
  if (! opPtr.isNull()) {
    opPtr.p->m_requestType = requestType;
    if (requestType == AlterTrigReq::RT_DICT_TC ||
        requestType == AlterTrigReq::RT_DICT_LQH) {
      jam();
      if (req->getOnline())
        alterTrigger_toCreateLocal(signal, opPtr);
      else
        alterTrigger_toDropLocal(signal, opPtr);
      return;
    }
    if (requestType == AlterTrigReq::RT_DICT_COMMIT ||
        requestType == AlterTrigReq::RT_DICT_ABORT) {
      jam();
      if (requestType == AlterTrigReq::RT_DICT_COMMIT)
        alterTrigger_slaveCommit(signal, opPtr);
      else
        alterTrigger_slaveAbort(signal, opPtr);
      alterTrigger_sendReply(signal, opPtr, false);
      // done in slave
      if (! opPtr.p->m_isMaster)
        c_opAlterTrigger.release(opPtr);
      return;
    }
  }
  jam();
  // return to sender
  OpAlterTrigger opBad;
  opPtr.p = &opBad;
  opPtr.p->save(req);
  opPtr.p->m_errorCode = AlterTrigRef::BadRequestType;
  opPtr.p->m_errorLine = __LINE__;
  alterTrigger_sendReply(signal, opPtr, true);
  return;
}

void
Dbdict::execALTER_TRIG_CONF(Signal* signal) 
{
  jamEntry();
  AlterTrigConf* conf = (AlterTrigConf*)signal->getDataPtrSend();
  alterTrigger_recvReply(signal, conf, 0);
}

void
Dbdict::execALTER_TRIG_REF(Signal* signal) 
{
  jamEntry();
  AlterTrigRef* ref = (AlterTrigRef*)signal->getDataPtrSend();
  alterTrigger_recvReply(signal, ref->getConf(), ref);
}

void
Dbdict::alterTrigger_recvReply(Signal* signal, const AlterTrigConf* conf,
    const AlterTrigRef* ref)
{
  jam();
  const Uint32 senderRef = signal->senderBlockRef();
  const AlterTrigReq::RequestType requestType = conf->getRequestType();
  const Uint32 key = conf->getConnectionPtr();
  if (requestType == AlterTrigReq::RT_CREATE_TRIGGER) {
    jam();
    // part of create trigger operation
    OpCreateTriggerPtr opPtr;
    c_opCreateTrigger.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    createTrigger_fromAlterTrigger(signal, opPtr);
    return;
  }
  if (requestType == AlterTrigReq::RT_DROP_TRIGGER) {
    jam();
    // part of drop trigger operation
    OpDropTriggerPtr opPtr;
    c_opDropTrigger.find(opPtr, key);
    ndbrequire(! opPtr.isNull());
    opPtr.p->setError(ref);
    dropTrigger_fromAlterTrigger(signal, opPtr);
    return;
  }
  OpAlterTriggerPtr opPtr;
  c_opAlterTrigger.find(opPtr, key);
  ndbrequire(! opPtr.isNull());
  ndbrequire(opPtr.p->m_isMaster);
  ndbrequire(opPtr.p->m_requestType == requestType);
  /* 
   * If refuse on drop trig, because of non-existent trigger,
   * comes from anyone but the master node - ignore it and
   * remove the node from forter ALTER_TRIG communication
   * This will happen if a new node has started since the
   * trigger whas created.
   */
  if (ref &&
      refToNode(senderRef) != refToNode(reference()) &&
      opPtr.p->m_request.getRequestType() == AlterTrigReq::RT_DROP_TRIGGER &&
      ref->getErrorCode() == AlterTrigRef::TriggerNotFound) {
    jam();
    ref = 0;                                      // ignore this error
    opPtr.p->m_nodes.clear(refToNode(senderRef)); // remove this from group
  }
  opPtr.p->setError(ref);
  opPtr.p->m_signalCounter.clearWaitingFor(refToNode(senderRef));
  if (! opPtr.p->m_signalCounter.done()) {
    jam();
    return;
  }
  if (requestType == AlterTrigReq::RT_DICT_COMMIT ||
      requestType == AlterTrigReq::RT_DICT_ABORT) {
    jam();
    // send reply to user
    alterTrigger_sendReply(signal, opPtr, true);
    c_opAlterTrigger.release(opPtr);
    return;
  }
  if (opPtr.p->hasError()) {
    jam();
    opPtr.p->m_requestType = AlterTrigReq::RT_DICT_ABORT;
    alterTrigger_sendSlaveReq(signal, opPtr);
    return;
  }
  if (! (opPtr.p->m_request.getRequestFlag() & RequestFlag::RF_NOTCTRIGGER)) {
    if (requestType == AlterTrigReq::RT_DICT_PREPARE) {
      jam();
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      if (opPtr.p->m_request.getOnline()) {
        jam();
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        opPtr.p->m_requestType = AlterTrigReq::RT_DICT_TC;
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      } else {
        jam();
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        opPtr.p->m_requestType = AlterTrigReq::RT_DICT_LQH;
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      }
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      alterTrigger_sendSlaveReq(signal, opPtr);
      return;
    }
    if (requestType == AlterTrigReq::RT_DICT_TC) {
      jam();
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      if (opPtr.p->m_request.getOnline()) {
        jam();
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        opPtr.p->m_requestType = AlterTrigReq::RT_DICT_LQH;
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      } else {
        jam();
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        opPtr.p->m_requestType = AlterTrigReq::RT_DICT_COMMIT;
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      }
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      alterTrigger_sendSlaveReq(signal, opPtr);
      return;
    }
    if (requestType == AlterTrigReq::RT_DICT_LQH) {
      jam();
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      if (opPtr.p->m_request.getOnline()) {
        jam();
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        opPtr.p->m_requestType = AlterTrigReq::RT_DICT_COMMIT;
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      } else {
        jam();
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        opPtr.p->m_requestType = AlterTrigReq::RT_DICT_TC;
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      }
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      alterTrigger_sendSlaveReq(signal, opPtr);
      return;
    }
  } else {
    if (requestType == AlterTrigReq::RT_DICT_PREPARE) {
      jam();
      opPtr.p->m_requestType = AlterTrigReq::RT_DICT_LQH;
      alterTrigger_sendSlaveReq(signal, opPtr);
      return;
    }
    if (requestType == AlterTrigReq::RT_DICT_LQH) {
      jam();
      opPtr.p->m_requestType = AlterTrigReq::RT_DICT_COMMIT;
      alterTrigger_sendSlaveReq(signal, opPtr);
      return;
    }
  }
  ndbrequire(false);
}

void
Dbdict::alterTrigger_slavePrepare(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
  const AlterTrigReq* const req = &opPtr.p->m_request;
  const Uint32 triggerId = req->getTriggerId();
  TriggerRecordPtr triggerPtr;
  if (! (triggerId < c_triggerRecordPool.getSize())) {
    jam();
    opPtr.p->m_errorCode = AlterTrigRef::TriggerNotFound;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
  c_triggerRecordPool.getPtr(triggerPtr, triggerId);
  if (triggerPtr.p->triggerState == TriggerRecord::TS_NOT_DEFINED) {
    jam();
    opPtr.p->m_errorCode = AlterTrigRef::TriggerNotFound;
    opPtr.p->m_errorLine = __LINE__;
    return;
  }
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  if (triggerPtr.p->triggerType == TriggerType::SUBSCRIPTION)
  {
    opPtr.p->m_request.addRequestFlag(RequestFlag::RF_NOTCTRIGGER);
  }
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}

void
Dbdict::alterTrigger_toCreateLocal(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
  // find trigger record
  const Uint32 triggerId = opPtr.p->m_request.getTriggerId();
  TriggerRecordPtr triggerPtr;
  c_triggerRecordPool.getPtr(triggerPtr, triggerId);
  CreateTrigReq* const req = (CreateTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
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    jam();
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    req->setRequestType(CreateTrigReq::RT_TC);
  } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
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    jam();
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    req->setRequestType(CreateTrigReq::RT_LQH);
  } else {
    ndbassert(false);
  }
  req->setTableId(triggerPtr.p->tableId);
  req->setIndexId(triggerPtr.p->indexId);
  req->setTriggerId(triggerPtr.i);
  req->setTriggerType(triggerPtr.p->triggerType);
  req->setTriggerActionTime(triggerPtr.p->triggerActionTime);
  req->setTriggerEvent(triggerPtr.p->triggerEvent);
  req->setMonitorReplicas(triggerPtr.p->monitorReplicas);
  req->setMonitorAllAttributes(triggerPtr.p->monitorAllAttributes);
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  req->setReportAllMonitoredAttributes(triggerPtr.p->reportAllMonitoredAttributes);
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  req->setOnline(true);
  req->setReceiverRef(opPtr.p->m_request.getReceiverRef());
  BlockReference blockRef = 0;
  if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
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    jam();
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    blockRef = calcTcBlockRef(getOwnNodeId());
  } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
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    jam();
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    blockRef = calcLqhBlockRef(getOwnNodeId());
  } else {
    ndbassert(false);
  }
  req->setAttributeMask(triggerPtr.p->attributeMask);
  sendSignal(blockRef, GSN_CREATE_TRIG_REQ,
      signal, CreateTrigReq::SignalLength, JBB);
}

void
Dbdict::alterTrigger_fromCreateLocal(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
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  if (! opPtr.p->hasLastError()) {
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    // mark created locally
    TriggerRecordPtr triggerPtr;
    c_triggerRecordPool.getPtr(triggerPtr, opPtr.p->m_request.getTriggerId());
    if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
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      jam();
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      triggerPtr.p->triggerLocal |= TriggerRecord::TL_CREATED_TC;
    } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
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      jam();
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      triggerPtr.p->triggerLocal |= TriggerRecord::TL_CREATED_LQH;
    } else {
      ndbrequire(false);
    }
  }
  // forward CONF or REF to master
  alterTrigger_sendReply(signal, opPtr, false);
}

void
Dbdict::alterTrigger_toDropLocal(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
  TriggerRecordPtr triggerPtr;
  c_triggerRecordPool.getPtr(triggerPtr, opPtr.p->m_request.getTriggerId());
  DropTrigReq* const req = (DropTrigReq*)signal->getDataPtrSend();
  req->setUserRef(reference());
  req->setConnectionPtr(opPtr.p->key);
  if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
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    jam();
    // broken trigger allowed if force
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    if (! (triggerPtr.p->triggerLocal & TriggerRecord::TL_CREATED_TC)) {
      jam();
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      ndbassert(opPtr.p->m_requestFlag & RequestFlag::RF_FORCE);
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      alterTrigger_sendReply(signal, opPtr, false);
      return;
    }
    req->setRequestType(DropTrigReq::RT_TC);
  } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
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    jam();
    // broken trigger allowed if force
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    if (! (triggerPtr.p->triggerLocal & TriggerRecord::TL_CREATED_LQH)) {
      jam();
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      ndbassert(opPtr.p->m_requestFlag & RequestFlag::RF_FORCE);
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      alterTrigger_sendReply(signal, opPtr, false);
      return;
    }
    req->setRequestType(DropTrigReq::RT_LQH);
  } else {
    ndbassert(false);
  }
  req->setTableId(triggerPtr.p->tableId);
  req->setIndexId(triggerPtr.p->indexId);
  req->setTriggerId(triggerPtr.i);
  req->setTriggerType(triggerPtr.p->triggerType);
  req->setTriggerActionTime(triggerPtr.p->triggerActionTime);
  req->setTriggerEvent(triggerPtr.p->triggerEvent);
  req->setMonitorReplicas(triggerPtr.p->monitorReplicas);
  req->setMonitorAllAttributes(triggerPtr.p->monitorAllAttributes);
  BlockReference blockRef = 0;
  if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
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    jam();
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    blockRef = calcTcBlockRef(getOwnNodeId());
  } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
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    jam();
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    blockRef = calcLqhBlockRef(getOwnNodeId());
  } else {
    ndbassert(false);
  }
  sendSignal(blockRef, GSN_DROP_TRIG_REQ,
      signal, DropTrigReq::SignalLength, JBB);
}

void
Dbdict::alterTrigger_fromDropLocal(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
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  if (! opPtr.p->hasLastError()) {
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    // mark dropped locally
    TriggerRecordPtr triggerPtr;
    c_triggerRecordPool.getPtr(triggerPtr, opPtr.p->m_request.getTriggerId());
    if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_TC) {
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      jam();
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      triggerPtr.p->triggerLocal &= ~TriggerRecord::TL_CREATED_TC;
    } else if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_LQH) {
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      jam();
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      triggerPtr.p->triggerLocal &= ~TriggerRecord::TL_CREATED_LQH;
    } else {
      ndbrequire(false);
    }
  }
  // forward CONF or REF to master
  alterTrigger_sendReply(signal, opPtr, false);
}

void
Dbdict::alterTrigger_slaveCommit(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
  TriggerRecordPtr triggerPtr;
  c_triggerRecordPool.getPtr(triggerPtr, opPtr.p->m_request.getTriggerId());
  // set state
  triggerPtr.p->triggerState = TriggerRecord::TS_ONLINE;
}

void
Dbdict::alterTrigger_slaveAbort(Signal* signal, OpAlterTriggerPtr opPtr)
{
  jam();
}

void
Dbdict::alterTrigger_sendSlaveReq(Signal* signal, OpAlterTriggerPtr opPtr)
{
  AlterTrigReq* const req = (AlterTrigReq*)signal->getDataPtrSend();
  *req = opPtr.p->m_request;
  req->setUserRef(opPtr.p->m_coordinatorRef);
  req->setConnectionPtr(opPtr.p->key);
  req->setRequestType(opPtr.p->m_requestType);
  req->addRequestFlag(opPtr.p->m_requestFlag);
  NdbNodeBitmask receiverNodes = c_aliveNodes;
  if (opPtr.p->m_requestFlag & RequestFlag::RF_LOCAL) {
    receiverNodes.clear();
    receiverNodes.set(getOwnNodeId());
  } else {
    opPtr.p->m_nodes.bitAND(receiverNodes);
    receiverNodes = opPtr.p->m_nodes;
  }
  opPtr.p->m_signalCounter = receiverNodes;
  NodeReceiverGroup rg(DBDICT, receiverNodes);
  sendSignal(rg, GSN_ALTER_TRIG_REQ,
      signal, AlterTrigReq::SignalLength, JBB);
}

void
Dbdict::alterTrigger_sendReply(Signal* signal, OpAlterTriggerPtr opPtr,
    bool toUser)
{
  jam();
  AlterTrigRef* rep = (AlterTrigRef*)signal->getDataPtrSend();
  Uint32 gsn = GSN_ALTER_TRIG_CONF;
  Uint32 length = AlterTrigConf::InternalLength;
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  bool sendRef;
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  if (! toUser) {
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    sendRef = opPtr.p->hasLastError();
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    rep->setUserRef(opPtr.p->m_coordinatorRef);
    rep->setConnectionPtr(opPtr.p->key);
    rep->setRequestType(opPtr.p->m_requestType);
    if (opPtr.p->m_requestType == AlterTrigReq::RT_DICT_ABORT) {
      jam();
      sendRef = false;
    } else {
      jam();
    }
  } else {
13267
    sendRef = opPtr.p->hasError();
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    jam();
    rep->setUserRef(opPtr.p->m_request.getUserRef());
    rep->setConnectionPtr(opPtr.p->m_request.getConnectionPtr());
    rep->setRequestType(opPtr.p->m_request.getRequestType());
    length = AlterTrigConf::SignalLength;
  }
  rep->setTableId(opPtr.p->m_request.getTableId());
  rep->setTriggerId(opPtr.p->m_request.getTriggerId());
  if (sendRef) {
    if (opPtr.p->m_errorNode == 0) {
      jam();
      opPtr.p->m_errorNode = getOwnNodeId();
    } else {
      jam();
    }
    rep->setErrorCode(opPtr.p->m_errorCode);
    rep->setErrorLine(opPtr.p->m_errorLine);
    rep->setErrorNode(opPtr.p->m_errorNode);
    gsn = GSN_ALTER_TRIG_REF;
    length = AlterTrigRef::SignalLength;
  }
  sendSignal(rep->getUserRef(), gsn, signal, length, JBB);
}

/**
 * MODULE: Support routines for index and trigger.
 */

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/*
  This routine is used to set-up the primary key attributes of the unique
  hash index. Since we store fragment id as part of the primary key here
  we insert the pseudo column for getting fragment id first in the array.
  This routine is used as part of the building of the index.
*/

13303
void
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Dbdict::getTableKeyList(TableRecordPtr tablePtr, 
			Id_array<MAX_ATTRIBUTES_IN_INDEX+1>& list)
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{
  jam();
  list.sz = 0;
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  list.id[list.sz++] = AttributeHeader::FRAGMENT;
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  LocalDLFifoList<AttributeRecord> alist(c_attributeRecordPool,
                                         tablePtr.p->m_attributes);
  AttributeRecordPtr attrPtr;
  for (alist.first(attrPtr); !attrPtr.isNull(); alist.next(attrPtr)) {
    if (attrPtr.p->tupleKey) {
      list.id[list.sz++] = attrPtr.p->attributeId;
    }
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  }
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  ndbrequire(list.sz == (uint)(tablePtr.p->noOfPrimkey + 1));
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  ndbrequire(list.sz <= MAX_ATTRIBUTES_IN_INDEX + 1);
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}

// XXX should store the primary attribute id
void
Dbdict::getIndexAttr(TableRecordPtr indexPtr, Uint32 itAttr, Uint32* id)
{
  jam();
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  Uint32 len;
  char name[MAX_ATTR_NAME_SIZE];
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  TableRecordPtr tablePtr;
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  AttributeRecordPtr attrPtr;

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  c_tableRecordPool.getPtr(tablePtr, indexPtr.p->primaryTableId);
  AttributeRecord* iaRec = c_attributeRecordPool.getPtr(itAttr);
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  {
    ConstRope tmp(c_rope_pool, iaRec->attributeName);
    tmp.copy(name);
    len = tmp.size();
  }
  LocalDLFifoList<AttributeRecord> alist(c_attributeRecordPool, 
					 tablePtr.p->m_attributes);
  for (alist.first(attrPtr); !attrPtr.isNull(); alist.next(attrPtr)){
    ConstRope tmp(c_rope_pool, attrPtr.p->attributeName);
    if(tmp.compare(name, len) == 0){
      id[0] = attrPtr.p->attributeId;
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      return;
    }
  }
  ndbrequire(false);
}

void
Dbdict::getIndexAttrList(TableRecordPtr indexPtr, AttributeList& list)
{
  jam();
  list.sz = 0;
  memset(list.id, 0, sizeof(list.id));
  ndbrequire(indexPtr.p->noOfAttributes >= 2);
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  LocalDLFifoList<AttributeRecord> alist(c_attributeRecordPool,
                                         indexPtr.p->m_attributes);
  AttributeRecordPtr attrPtr;
  for (alist.first(attrPtr); !attrPtr.isNull(); alist.next(attrPtr)) {
    // skip last
    AttributeRecordPtr tempPtr = attrPtr;
    if (! alist.next(tempPtr))
      break;
    getIndexAttr(indexPtr, attrPtr.i, &list.id[list.sz++]);
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  }
13370
  ndbrequire(indexPtr.p->noOfAttributes == list.sz + 1);
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}

void
Dbdict::getIndexAttrMask(TableRecordPtr indexPtr, AttributeMask& mask)
{
  jam();
  mask.clear();
  ndbrequire(indexPtr.p->noOfAttributes >= 2);
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  AttributeRecordPtr attrPtr, currPtr;
  LocalDLFifoList<AttributeRecord> alist(c_attributeRecordPool, 
					 indexPtr.p->m_attributes);
  
  
  for (alist.first(attrPtr); currPtr = attrPtr, alist.next(attrPtr); ){
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    Uint32 id;
13387
    getIndexAttr(indexPtr, currPtr.i, &id);
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    mask.set(id);
  }
}

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// DICT lock master

const Dbdict::DictLockType*
Dbdict::getDictLockType(Uint32 lockType)
{
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  static const DictLockType lt[] = {
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    { DictLockReq::NodeRestartLock, BS_NODE_RESTART, "NodeRestart" }
  };
  for (int i = 0; i < sizeof(lt)/sizeof(lt[0]); i++) {
    if (lt[i].lockType == lockType)
      return &lt[i];
  }
  return NULL;
}

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void
Dbdict::sendDictLockInfoEvent(Uint32 pollCount)
{
  DictLockPtr loopPtr;
  c_dictLockQueue.first(loopPtr);
  unsigned count = 0;

  char queue_buf[100];
  char *p = &queue_buf[0];
  const char *const q = &queue_buf[sizeof(queue_buf)];
  *p = 0;

  while (loopPtr.i != RNIL) {
    jam();
    my_snprintf(p, q-p, "%s%u%s",
                ++count == 1 ? "" : " ",
                (unsigned)refToNode(loopPtr.p->req.userRef),
                loopPtr.p->locked ? "L" : "");
    p += strlen(p);
    c_dictLockQueue.next(loopPtr);
  }

  infoEvent("DICT: lock bs: %d ops: %d poll: %d cnt: %d queue: %s",
      (int)c_blockState,
      c_opRecordPool.getSize() - c_opRecordPool.getNoOfFree(),
      c_dictLockPoll, (int)pollCount, queue_buf);
}

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void
Dbdict::sendDictLockInfoEvent(DictLockPtr lockPtr, const char* text)
{
  infoEvent("DICT: %s %u for %s",
      text,
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      (unsigned)refToNode(lockPtr.p->req.userRef), lockPtr.p->lt->text);
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}

void
Dbdict::execDICT_LOCK_REQ(Signal* signal)
{
  jamEntry();
  const DictLockReq* req = (const DictLockReq*)&signal->theData[0];

13449 13450
  // make sure bad request crashes slave, not master (us)

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  if (getOwnNodeId() != c_masterNodeId) {
    jam();
    sendDictLockRef(signal, *req, DictLockRef::NotMaster);
    return;
  }

  const DictLockType* lt = getDictLockType(req->lockType);
  if (lt == NULL) {
    jam();
    sendDictLockRef(signal, *req, DictLockRef::InvalidLockType);
    return;
  }

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  if (req->userRef != signal->getSendersBlockRef() ||
      getNodeInfo(refToNode(req->userRef)).m_type != NodeInfo::DB) {
    jam();
    sendDictLockRef(signal, *req, DictLockRef::BadUserRef);
    return;
  }

  if (c_aliveNodes.get(refToNode(req->userRef))) {
    jam();
    sendDictLockRef(signal, *req, DictLockRef::TooLate);
    return;
  }

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  DictLockPtr lockPtr;
  if (! c_dictLockQueue.seize(lockPtr)) {
    jam();
    sendDictLockRef(signal, *req, DictLockRef::TooManyRequests);
    return;
  }

  lockPtr.p->req = *req;
  lockPtr.p->locked = false;
  lockPtr.p->lt = lt;

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  checkDictLockQueue(signal, false);
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  if (! lockPtr.p->locked)
    sendDictLockInfoEvent(lockPtr, "lock request by node");
}

void
13495
Dbdict::checkDictLockQueue(Signal* signal, bool poll)
13496
{
13497 13498
  Uint32 pollCount = ! poll ? 0 : signal->theData[1];

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  DictLockPtr lockPtr;

  do {
    if (! c_dictLockQueue.first(lockPtr)) {
      jam();
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      setDictLockPoll(signal, false, pollCount);
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      return;
    }

    if (lockPtr.p->locked) {
      jam();
      ndbrequire(c_blockState == lockPtr.p->lt->blockState);
      break;
    }

    if (c_opRecordPool.getNoOfFree() != c_opRecordPool.getSize()) {
      jam();
      break;
    }

    ndbrequire(c_blockState == BS_IDLE);
    lockPtr.p->locked = true;
    c_blockState = lockPtr.p->lt->blockState;
    sendDictLockConf(signal, lockPtr);

    sendDictLockInfoEvent(lockPtr, "locked by node");
  } while (0);

  // poll while first request is open
  // this routine is called again when it is removed for any reason

  bool on = ! lockPtr.p->locked;
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  setDictLockPoll(signal, on, pollCount);
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}

void
Dbdict::execDICT_UNLOCK_ORD(Signal* signal)
{
  jamEntry();
  const DictUnlockOrd* ord = (const DictUnlockOrd*)&signal->theData[0];

  DictLockPtr lockPtr;
  c_dictLockQueue.getPtr(lockPtr, ord->lockPtr);
  ndbrequire(lockPtr.p->lt->lockType == ord->lockType);

  if (lockPtr.p->locked) {
    jam();
    ndbrequire(c_blockState == lockPtr.p->lt->blockState);
    ndbrequire(c_opRecordPool.getNoOfFree() == c_opRecordPool.getSize());
    ndbrequire(! c_dictLockQueue.hasPrev(lockPtr));

    c_blockState = BS_IDLE;
    sendDictLockInfoEvent(lockPtr, "unlocked by node");
  } else {
    sendDictLockInfoEvent(lockPtr, "lock request removed by node");
  }

  c_dictLockQueue.release(lockPtr);

13558
  checkDictLockQueue(signal, false);
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}

void
Dbdict::sendDictLockConf(Signal* signal, DictLockPtr lockPtr)
{
  DictLockConf* conf = (DictLockConf*)&signal->theData[0];
  const DictLockReq& req = lockPtr.p->req;

  conf->userPtr = req.userPtr;
  conf->lockType = req.lockType;
  conf->lockPtr = lockPtr.i;

  sendSignal(req.userRef, GSN_DICT_LOCK_CONF, signal,
      DictLockConf::SignalLength, JBB);
}

void
Dbdict::sendDictLockRef(Signal* signal, DictLockReq req, Uint32 errorCode)
{
  DictLockRef* ref = (DictLockRef*)&signal->theData[0];

  ref->userPtr = req.userPtr;
  ref->lockType = req.lockType;
  ref->errorCode = errorCode;

  sendSignal(req.userRef, GSN_DICT_LOCK_REF, signal,
      DictLockRef::SignalLength, JBB);
}

// control polling

void
13591
Dbdict::setDictLockPoll(Signal* signal, bool on, Uint32 pollCount)
13592 13593 13594 13595
{
  if (on) {
    jam();
    signal->theData[0] = ZDICT_LOCK_POLL;
13596 13597
    signal->theData[1] = pollCount + 1;
    sendSignalWithDelay(reference(), GSN_CONTINUEB, signal, 100, 2);
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  }

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  bool change = (c_dictLockPoll != on);

  if (change) {
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    jam();
    c_dictLockPoll = on;
  }
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  // avoid too many messages if master is stuck busy (BS_NODE_FAILURE)
  bool periodic =
    pollCount < 8 ||
    pollCount < 64 && pollCount % 8 == 0 ||
    pollCount < 512 && pollCount % 64 == 0 ||
    pollCount < 4096 && pollCount % 512 == 0 ||
    pollCount % 4096 == 0; // about every 6 minutes

  if (change || periodic)
    sendDictLockInfoEvent(pollCount);
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}

// NF handling

void
Dbdict::removeStaleDictLocks(Signal* signal, const Uint32* theFailedNodes)
{
  DictLockPtr loopPtr;
  c_dictLockQueue.first(loopPtr);

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  if (getOwnNodeId() != c_masterNodeId) {
    ndbrequire(loopPtr.i == RNIL);
    return;
  }

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  while (loopPtr.i != RNIL) {
    jam();
    DictLockPtr lockPtr = loopPtr;
    c_dictLockQueue.next(loopPtr);

    Uint32 nodeId = refToNode(lockPtr.p->req.userRef);

    if (NodeBitmask::get(theFailedNodes, nodeId)) {
      if (lockPtr.p->locked) {
        jam();
        ndbrequire(c_blockState == lockPtr.p->lt->blockState);
        ndbrequire(c_opRecordPool.getNoOfFree() == c_opRecordPool.getSize());
        ndbrequire(! c_dictLockQueue.hasPrev(lockPtr));

        c_blockState = BS_IDLE;

        sendDictLockInfoEvent(lockPtr, "remove lock by failed node");
      } else {
        sendDictLockInfoEvent(lockPtr, "remove lock request by failed node");
      }

      c_dictLockQueue.release(lockPtr);
    }
  }

13657
  checkDictLockQueue(signal, false);
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}


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/* **************************************************************** */
/* ---------------------------------------------------------------- */
/* MODULE:          STORE/RESTORE SCHEMA FILE---------------------- */
/* ---------------------------------------------------------------- */
/*                                                                  */
/* General module used to store the schema file on disk and         */
/* similar function to restore it from disk.                        */
/* ---------------------------------------------------------------- */
/* **************************************************************** */

void
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Dbdict::initSchemaFile(XSchemaFile * xsf, Uint32 firstPage, Uint32 lastPage,
                       bool initEntries)
{
  ndbrequire(lastPage <= xsf->noOfPages);
  for (Uint32 n = firstPage; n < lastPage; n++) {
    SchemaFile * sf = &xsf->schemaPage[n];
    if (initEntries)
      memset(sf, 0, NDB_SF_PAGE_SIZE);
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    Uint32 ndb_version = NDB_VERSION;
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    if (ndb_version < NDB_SF_VERSION_5_0_6)
      ndb_version = NDB_SF_VERSION_5_0_6;
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    memcpy(sf->Magic, NDB_SF_MAGIC, sizeof(sf->Magic));
    sf->ByteOrder = 0x12345678;
    sf->NdbVersion =  ndb_version;
    sf->FileSize = xsf->noOfPages * NDB_SF_PAGE_SIZE;
    sf->PageNumber = n;
    sf->CheckSum = 0;
    sf->NoOfTableEntries = NDB_SF_PAGE_ENTRIES;

    computeChecksum(xsf, n);
  }
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}

void
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Dbdict::resizeSchemaFile(XSchemaFile * xsf, Uint32 noOfPages)
{
  ndbrequire(noOfPages <= NDB_SF_MAX_PAGES);
  if (xsf->noOfPages < noOfPages) {
    jam();
    Uint32 firstPage = xsf->noOfPages;
    xsf->noOfPages = noOfPages;
    initSchemaFile(xsf, 0, firstPage, false);
    initSchemaFile(xsf, firstPage, xsf->noOfPages, true);
  }
  if (xsf->noOfPages > noOfPages) {
    jam();
    Uint32 tableId = noOfPages * NDB_SF_PAGE_ENTRIES;
    while (tableId < xsf->noOfPages * NDB_SF_PAGE_ENTRIES) {
      SchemaFile::TableEntry * te = getTableEntry(xsf, tableId);
      if (te->m_tableState != SchemaFile::INIT &&
          te->m_tableState != SchemaFile::DROP_TABLE_COMMITTED) {
        ndbrequire(false);
      }
      tableId++;
    }
    xsf->noOfPages = noOfPages;
    initSchemaFile(xsf, 0, xsf->noOfPages, false);
  }
}

void
Dbdict::computeChecksum(XSchemaFile * xsf, Uint32 pageNo){ 
  SchemaFile * sf = &xsf->schemaPage[pageNo];
13727
  sf->CheckSum = 0;
13728
  sf->CheckSum = computeChecksum((Uint32*)sf, NDB_SF_PAGE_SIZE_IN_WORDS);
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}

bool 
13732
Dbdict::validateChecksum(const XSchemaFile * xsf){
13733
  
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  for (Uint32 n = 0; n < xsf->noOfPages; n++) {
    SchemaFile * sf = &xsf->schemaPage[n];
    Uint32 c = computeChecksum((Uint32*)sf, NDB_SF_PAGE_SIZE_IN_WORDS);
    if ( c != 0)
      return false;
  }
  return true;
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}

Uint32
Dbdict::computeChecksum(const Uint32 * src, Uint32 len){
  Uint32 ret = 0;
  for(Uint32 i = 0; i<len; i++)
    ret ^= src[i];
  return ret;
}

SchemaFile::TableEntry * 
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Dbdict::getTableEntry(XSchemaFile * xsf, Uint32 tableId)
{
  Uint32 n = tableId / NDB_SF_PAGE_ENTRIES;
  Uint32 i = tableId % NDB_SF_PAGE_ENTRIES;
  ndbrequire(n < xsf->noOfPages);

  SchemaFile * sf = &xsf->schemaPage[n];
  return &sf->TableEntries[i];
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}

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//******************************************
void
Dbdict::execCREATE_FILE_REQ(Signal* signal){
  jamEntry();
  
  if(!assembleFragments(signal)){
    jam();
    return;
13770
  }
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  CreateFileReq * req = (CreateFileReq*)signal->getDataPtr();
  CreateFileRef * ref = (CreateFileRef*)signal->getDataPtrSend();
  Uint32 senderRef = req->senderRef;
  Uint32 senderData = req->senderData;
  Uint32 type = req->objType;
  Uint32 requestInfo = req->requestInfo;
  
  do {
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    if(getOwnNodeId() != c_masterNodeId){
      jam();
      ref->errorCode = CreateFileRef::NotMaster;
      ref->status    = 0;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
    
    if (c_blockState != BS_IDLE){
      jam();
      ref->errorCode = CreateFileRef::Busy;
      ref->status    = 0;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }

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    Ptr<SchemaTransaction> trans_ptr;
    if (! c_Trans.seize(trans_ptr)){
      ref->errorCode = CreateFileRef::Busy;
      ref->status    = 0;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
    
    const Uint32 trans_key = ++c_opRecordSequence;
    trans_ptr.p->key = trans_key;
    trans_ptr.p->m_senderRef = senderRef;
    trans_ptr.p->m_senderData = senderData;
    trans_ptr.p->m_nodes = c_aliveNodes;
    trans_ptr.p->m_errorCode = 0;
//    trans_ptr.p->m_nodes.clear(); 
//    trans_ptr.p->m_nodes.set(getOwnNodeId());
    c_Trans.add(trans_ptr);
    
    const Uint32 op_key = ++c_opRecordSequence;
    trans_ptr.p->m_op.m_key = op_key;
    trans_ptr.p->m_op.m_vt_index = 1;
    trans_ptr.p->m_op.m_state = DictObjOp::Preparing;
    
    CreateObjReq* create_obj = (CreateObjReq*)signal->getDataPtrSend();
    create_obj->op_key = op_key;
    create_obj->senderRef = reference();
    create_obj->senderData = trans_key;
    create_obj->clientRef = senderRef;
    create_obj->clientData = senderData;
    
    create_obj->objType = type;
    create_obj->requestInfo = requestInfo;
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    {
      Uint32 objId = getFreeObjId(0);
      if (objId == RNIL) {
        ref->errorCode = CreateFileRef::NoMoreObjectRecords;
        ref->status    = 0;
        ref->errorKey  = 0;
        ref->errorLine = __LINE__;
        break;
      }
      
      create_obj->objId = objId;
      trans_ptr.p->m_op.m_obj_id = objId;
      create_obj->gci = 0;
      
      XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
      SchemaFile::TableEntry *objEntry = getTableEntry(xsf, objId);      
      create_obj->objVersion = 
	create_obj_inc_schema_version(objEntry->m_tableVersion);
    }
    
    NodeReceiverGroup rg(DBDICT, trans_ptr.p->m_nodes);
    SafeCounter tmp(c_counterMgr, trans_ptr.p->m_counter);
    tmp.init<CreateObjRef>(rg, GSN_CREATE_OBJ_REF, trans_key);
    sendSignal(rg, GSN_CREATE_OBJ_REQ, signal, 
	       CreateObjReq::SignalLength, JBB);
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    c_blockState = BS_CREATE_TAB;

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    return;
  } while(0);
  
  ref->senderData = senderData;
  ref->masterNodeId = c_masterNodeId;
  sendSignal(senderRef, GSN_CREATE_FILE_REF,signal,
	     CreateFileRef::SignalLength, JBB);
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}

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void
Dbdict::execCREATE_FILEGROUP_REQ(Signal* signal){
  jamEntry();
  
  if(!assembleFragments(signal)){
    jam();
    return;
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  }
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  CreateFilegroupReq * req = (CreateFilegroupReq*)signal->getDataPtr();
  CreateFilegroupRef * ref = (CreateFilegroupRef*)signal->getDataPtrSend();
  Uint32 senderRef = req->senderRef;
  Uint32 senderData = req->senderData;
  Uint32 type = req->objType;
  
  do {
    if(getOwnNodeId() != c_masterNodeId){
      jam();
      ref->errorCode = CreateFilegroupRef::NotMaster;
      ref->status    = 0;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
    
    if (c_blockState != BS_IDLE){
      jam();
      ref->errorCode = CreateFilegroupRef::Busy;
      ref->status    = 0;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
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    Ptr<SchemaTransaction> trans_ptr;
    if (! c_Trans.seize(trans_ptr)){
      ref->errorCode = CreateFilegroupRef::Busy;
      ref->status    = 0;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
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    const Uint32 trans_key = ++c_opRecordSequence;
    trans_ptr.p->key = trans_key;
    trans_ptr.p->m_senderRef = senderRef;
    trans_ptr.p->m_senderData = senderData;
    trans_ptr.p->m_nodes = c_aliveNodes;
    trans_ptr.p->m_errorCode = 0;
    c_Trans.add(trans_ptr);
    
    const Uint32 op_key = ++c_opRecordSequence;
    trans_ptr.p->m_op.m_key = op_key;
    trans_ptr.p->m_op.m_vt_index = 0;
    trans_ptr.p->m_op.m_state = DictObjOp::Preparing;
    
    CreateObjReq* create_obj = (CreateObjReq*)signal->getDataPtrSend();
    create_obj->op_key = op_key;
    create_obj->senderRef = reference();
    create_obj->senderData = trans_key;
    create_obj->clientRef = senderRef;
    create_obj->clientData = senderData;
    
    create_obj->objType = type;
    
    {
      Uint32 objId = getFreeObjId(0);
      if (objId == RNIL) {
        ref->errorCode = CreateFilegroupRef::NoMoreObjectRecords;
        ref->status    = 0;
        ref->errorKey  = 0;
        ref->errorLine = __LINE__;
        break;
      }
      
      create_obj->objId = objId;
      trans_ptr.p->m_op.m_obj_id = objId;
      create_obj->gci = 0;
      
      XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
      SchemaFile::TableEntry *objEntry = getTableEntry(xsf, objId);      
      create_obj->objVersion = 
	create_obj_inc_schema_version(objEntry->m_tableVersion);
    }
    
    NodeReceiverGroup rg(DBDICT, trans_ptr.p->m_nodes);
    SafeCounter tmp(c_counterMgr, trans_ptr.p->m_counter);
    tmp.init<CreateObjRef>(rg, GSN_CREATE_OBJ_REF, trans_key);
    sendSignal(rg, GSN_CREATE_OBJ_REQ, signal, 
	       CreateObjReq::SignalLength, JBB);
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    c_blockState = BS_CREATE_TAB;

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    return;
  } while(0);
  
  ref->senderData = senderData;
  ref->masterNodeId = c_masterNodeId;
  sendSignal(senderRef, GSN_CREATE_FILEGROUP_REF,signal,
	     CreateFilegroupRef::SignalLength, JBB);
}

void
Dbdict::execDROP_FILE_REQ(Signal* signal)
{
  jamEntry();
  
  if(!assembleFragments(signal)){
    jam();
    return;
  }
  
  DropFileReq * req = (DropFileReq*)signal->getDataPtr();
  DropFileRef * ref = (DropFileRef*)signal->getDataPtrSend();
  Uint32 senderRef = req->senderRef;
  Uint32 senderData = req->senderData;
  Uint32 objId = req->file_id;
  Uint32 version = req->file_version;
  
  do {
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    if(getOwnNodeId() != c_masterNodeId){
      jam();
      ref->errorCode = DropFileRef::NotMaster;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
    
    if (c_blockState != BS_IDLE){
      jam();
      ref->errorCode = DropFileRef::Busy;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }

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    Ptr<File> file_ptr;
    if (!c_file_hash.find(file_ptr, objId))
    {
      ref->errorCode = DropFileRef::NoSuchFile;
      ref->errorLine = __LINE__;
      break;
    }
    
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    if (file_ptr.p->m_version != version)
    {
      ref->errorCode = DropFileRef::InvalidSchemaObjectVersion;
      ref->errorLine = __LINE__;
      break;
    }

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    Ptr<SchemaTransaction> trans_ptr;
    if (! c_Trans.seize(trans_ptr))
    {
      ref->errorCode = CreateFileRef::Busy;
      ref->errorLine = __LINE__;
      break;
    }
    
    const Uint32 trans_key = ++c_opRecordSequence;
    trans_ptr.p->key = trans_key;
    trans_ptr.p->m_senderRef = senderRef;
    trans_ptr.p->m_senderData = senderData;
    trans_ptr.p->m_nodes = c_aliveNodes;
    trans_ptr.p->m_errorCode = 0;
    c_Trans.add(trans_ptr);
    
    const Uint32 op_key = ++c_opRecordSequence;
    trans_ptr.p->m_op.m_key = op_key;
    trans_ptr.p->m_op.m_vt_index = 2;
    trans_ptr.p->m_op.m_state = DictObjOp::Preparing;
    
    DropObjReq* drop_obj = (DropObjReq*)signal->getDataPtrSend();
    drop_obj->op_key = op_key;
    drop_obj->objVersion = version;
    drop_obj->objId = objId;
    drop_obj->objType = file_ptr.p->m_type;
    trans_ptr.p->m_op.m_obj_id = objId;

    drop_obj->senderRef = reference();
    drop_obj->senderData = trans_key;
    drop_obj->clientRef = senderRef;
    drop_obj->clientData = senderData;

    drop_obj->requestInfo = 0;
    
    NodeReceiverGroup rg(DBDICT, trans_ptr.p->m_nodes);
    SafeCounter tmp(c_counterMgr, trans_ptr.p->m_counter);
    tmp.init<CreateObjRef>(rg, GSN_DROP_OBJ_REF, trans_key);
    sendSignal(rg, GSN_DROP_OBJ_REQ, signal, 
	       DropObjReq::SignalLength, JBB);
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    c_blockState = BS_CREATE_TAB;

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    return;
  } while(0);
  
  ref->senderData = senderData;
  ref->masterNodeId = c_masterNodeId;
  sendSignal(senderRef, GSN_DROP_FILE_REF,signal,
	     DropFileRef::SignalLength, JBB);
}

void
Dbdict::execDROP_FILEGROUP_REQ(Signal* signal)
{
  jamEntry();
  
  if(!assembleFragments(signal)){
    jam();
    return;
  }
  
  DropFilegroupReq * req = (DropFilegroupReq*)signal->getDataPtr();
  DropFilegroupRef * ref = (DropFilegroupRef*)signal->getDataPtrSend();
  Uint32 senderRef = req->senderRef;
  Uint32 senderData = req->senderData;
  Uint32 objId = req->filegroup_id;
  Uint32 version = req->filegroup_version;
  
  do {
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    if(getOwnNodeId() != c_masterNodeId){
      jam();
      ref->errorCode = DropFilegroupRef::NotMaster;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
    
    if (c_blockState != BS_IDLE){
      jam();
      ref->errorCode = DropFilegroupRef::Busy;
      ref->errorKey  = 0;
      ref->errorLine = __LINE__;
      break;
    }
    
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    Ptr<Filegroup> filegroup_ptr;
    if (!c_filegroup_hash.find(filegroup_ptr, objId))
    {
      ref->errorCode = DropFilegroupRef::NoSuchFilegroup;
      ref->errorLine = __LINE__;
      break;
    }
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    if (filegroup_ptr.p->m_version != version)
    {
      ref->errorCode = DropFilegroupRef::InvalidSchemaObjectVersion;
      ref->errorLine = __LINE__;
      break;
    }
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    Ptr<SchemaTransaction> trans_ptr;
    if (! c_Trans.seize(trans_ptr))
    {
      ref->errorCode = CreateFilegroupRef::Busy;
      ref->errorLine = __LINE__;
      break;
    }
    
    const Uint32 trans_key = ++c_opRecordSequence;
    trans_ptr.p->key = trans_key;
    trans_ptr.p->m_senderRef = senderRef;
    trans_ptr.p->m_senderData = senderData;
    trans_ptr.p->m_nodes = c_aliveNodes;
    trans_ptr.p->m_errorCode = 0;
    c_Trans.add(trans_ptr);
    
    const Uint32 op_key = ++c_opRecordSequence;
    trans_ptr.p->m_op.m_key = op_key;
    trans_ptr.p->m_op.m_vt_index = 3;
    trans_ptr.p->m_op.m_state = DictObjOp::Preparing;
    
    DropObjReq* drop_obj = (DropObjReq*)signal->getDataPtrSend();
    drop_obj->op_key = op_key;
    drop_obj->objVersion = version;
    drop_obj->objId = objId;
    drop_obj->objType = filegroup_ptr.p->m_type;
    trans_ptr.p->m_op.m_obj_id = objId;
    
    drop_obj->senderRef = reference();
    drop_obj->senderData = trans_key;
    drop_obj->clientRef = senderRef;
    drop_obj->clientData = senderData;
    
    drop_obj->requestInfo = 0;
    
    NodeReceiverGroup rg(DBDICT, trans_ptr.p->m_nodes);
    SafeCounter tmp(c_counterMgr, trans_ptr.p->m_counter);
    tmp.init<CreateObjRef>(rg, GSN_DROP_OBJ_REF, trans_key);
    sendSignal(rg, GSN_DROP_OBJ_REQ, signal, 
	       DropObjReq::SignalLength, JBB);
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    c_blockState = BS_CREATE_TAB;

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    return;
  } while(0);
  
  ref->senderData = senderData;
  ref->masterNodeId = c_masterNodeId;
  sendSignal(senderRef, GSN_DROP_FILEGROUP_REF,signal,
	     DropFilegroupRef::SignalLength, JBB);
}

void
Dbdict::execCREATE_OBJ_REF(Signal* signal){
  jamEntry();

  CreateObjRef * const ref = (CreateObjRef*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, ref->senderData));
  
  if(ref->errorCode != CreateObjRef::NF_FakeErrorREF){
    trans_ptr.p->setErrorCode(ref->errorCode);
  }
  Uint32 node = refToNode(ref->senderRef);
  schemaOp_reply(signal, trans_ptr.p, node);
}

void
Dbdict::execCREATE_OBJ_CONF(Signal* signal){
  jamEntry();

  CreateObjConf * const conf = (CreateObjConf*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, conf->senderData));
  schemaOp_reply(signal, trans_ptr.p, refToNode(conf->senderRef));
}

void
Dbdict::schemaOp_reply(Signal* signal, 
		       SchemaTransaction * trans_ptr_p, 
		       Uint32 nodeId)
{
  {
    SafeCounter tmp(c_counterMgr, trans_ptr_p->m_counter);
    if(!tmp.clearWaitingFor(nodeId)){
      jam();
      return;
    }
  }
  
  switch(trans_ptr_p->m_op.m_state){
  case DictObjOp::Preparing:{
    
    if(trans_ptr_p->m_errorCode != 0)
    {
      jam();
      /**
       * Failed to prepare on atleast one node -> abort on all
       */
      trans_ptr_p->m_op.m_state = DictObjOp::Aborting;
      trans_ptr_p->m_callback.m_callbackData = trans_ptr_p->key;
      trans_ptr_p->m_callback.m_callbackFunction= 
	safe_cast(&Dbdict::trans_abort_start_done);
      
      if(f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_abort_start)
	(this->*f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_abort_start)
	  (signal, trans_ptr_p);
      else
	execute(signal, trans_ptr_p->m_callback, 0);
      return;
    }
    
    trans_ptr_p->m_op.m_state = DictObjOp::Prepared;
    trans_ptr_p->m_callback.m_callbackData = trans_ptr_p->key;
    trans_ptr_p->m_callback.m_callbackFunction= 
      safe_cast(&Dbdict::trans_commit_start_done);
    
    if(f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_commit_start)
      (this->*f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_commit_start)
	(signal, trans_ptr_p);
    else
      execute(signal, trans_ptr_p->m_callback, 0);
    return;
  }
  case DictObjOp::Committing: {
    jam();
    ndbrequire(trans_ptr_p->m_errorCode == 0);

    trans_ptr_p->m_op.m_state = DictObjOp::Committed;
    trans_ptr_p->m_callback.m_callbackData = trans_ptr_p->key;
    trans_ptr_p->m_callback.m_callbackFunction= 
      safe_cast(&Dbdict::trans_commit_complete_done);
    
    if(f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_commit_complete)
      (this->*f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_commit_complete)
	(signal, trans_ptr_p);
    else
      execute(signal, trans_ptr_p->m_callback, 0);      
    return;
  }
  case DictObjOp::Aborting:{
    jam();

    trans_ptr_p->m_op.m_state = DictObjOp::Committed;
    trans_ptr_p->m_callback.m_callbackData = trans_ptr_p->key;
    trans_ptr_p->m_callback.m_callbackFunction= 
      safe_cast(&Dbdict::trans_abort_complete_done);

    if(f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_abort_complete)
      (this->*f_dict_op[trans_ptr_p->m_op.m_vt_index].m_trans_abort_complete)
	(signal, trans_ptr_p);
    else
      execute(signal, trans_ptr_p->m_callback, 0);      
    return;
  }
  case DictObjOp::Defined:
  case DictObjOp::Prepared:
  case DictObjOp::Committed:
  case DictObjOp::Aborted:
    break;
  }
  ndbrequire(false);
}

void
Dbdict::trans_commit_start_done(Signal* signal, 
				Uint32 callbackData,
				Uint32 retValue){
  jamEntry();
  
  ndbrequire(retValue == 0);
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, callbackData));
  
  NodeReceiverGroup rg(DBDICT, trans_ptr.p->m_nodes);
  SafeCounter tmp(c_counterMgr, trans_ptr.p->m_counter);
  tmp.init<DictCommitRef>(rg, GSN_DICT_COMMIT_REF, trans_ptr.p->key);
  
  DictCommitReq * const req = (DictCommitReq*)signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = trans_ptr.p->key;
  req->op_key = trans_ptr.p->m_op.m_key;
  sendSignal(rg, GSN_DICT_COMMIT_REQ, signal, DictCommitReq::SignalLength, 
	     JBB);
  
  trans_ptr.p->m_op.m_state = DictObjOp::Committing;
}

void
Dbdict::trans_commit_complete_done(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 retValue){
  jamEntry();
  
  ndbrequire(retValue == 0);
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, callbackData));

  switch(f_dict_op[trans_ptr.p->m_op.m_vt_index].m_gsn_user_req){
  case GSN_CREATE_FILEGROUP_REQ:{
    FilegroupPtr fg_ptr;
    ndbrequire(c_filegroup_hash.find(fg_ptr, trans_ptr.p->m_op.m_obj_id));
    
    //
    CreateFilegroupConf * conf = (CreateFilegroupConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = trans_ptr.p->m_senderData;
    conf->filegroupId = fg_ptr.p->key;
    conf->filegroupVersion = fg_ptr.p->m_version;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_CREATE_FILEGROUP_CONF, signal, 
	       CreateFilegroupConf::SignalLength, JBB);
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    break;
  }
  case GSN_CREATE_FILE_REQ:{
    FilePtr f_ptr;
    ndbrequire(c_file_hash.find(f_ptr, trans_ptr.p->m_op.m_obj_id));
    CreateFileConf * conf = (CreateFileConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = trans_ptr.p->m_senderData;
    conf->fileId = f_ptr.p->key;
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    conf->fileVersion = f_ptr.p->m_version;

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    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_CREATE_FILE_CONF, signal, 
	       CreateFileConf::SignalLength, JBB);
    
    break;
  }
  case GSN_DROP_FILE_REQ:{
    DropFileConf * conf = (DropFileConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = trans_ptr.p->m_senderData;
    conf->fileId = trans_ptr.p->m_op.m_obj_id;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_DROP_FILE_CONF, signal, 
	       DropFileConf::SignalLength, JBB);
    break;
  }
  case GSN_DROP_FILEGROUP_REQ:{
    DropFilegroupConf * conf = (DropFilegroupConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = trans_ptr.p->m_senderData;
    conf->filegroupId = trans_ptr.p->m_op.m_obj_id;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_DROP_FILEGROUP_CONF, signal, 
	       DropFilegroupConf::SignalLength, JBB);
    break;
  }
  default:
    ndbrequire(false);
  }
  
  c_Trans.release(trans_ptr);
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  ndbrequire(c_blockState == BS_CREATE_TAB);
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  c_blockState = BS_IDLE;
  return;
}

void
Dbdict::trans_abort_start_done(Signal* signal, 
			       Uint32 callbackData,
			       Uint32 retValue){
  jamEntry();
  
  ndbrequire(retValue == 0);

  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, callbackData));
  
  NodeReceiverGroup rg(DBDICT, trans_ptr.p->m_nodes);
  SafeCounter tmp(c_counterMgr, trans_ptr.p->m_counter);
  ndbrequire(tmp.init<DictAbortRef>(rg, trans_ptr.p->key));
  
  DictAbortReq * const req = (DictAbortReq*)signal->getDataPtrSend();
  req->senderRef = reference();
  req->senderData = trans_ptr.p->key;
  req->op_key = trans_ptr.p->m_op.m_key;
  
  sendSignal(rg, GSN_DICT_ABORT_REQ, signal, DictAbortReq::SignalLength, JBB);
}

void
Dbdict::trans_abort_complete_done(Signal* signal, 
				  Uint32 callbackData,
				  Uint32 retValue){
  jamEntry();
  
  ndbrequire(retValue == 0);
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, callbackData));

  switch(f_dict_op[trans_ptr.p->m_op.m_vt_index].m_gsn_user_req){
  case GSN_CREATE_FILEGROUP_REQ:
  {
    //
    CreateFilegroupRef * ref = (CreateFilegroupRef*)signal->getDataPtr();
    ref->senderRef = reference();
    ref->senderData = trans_ptr.p->m_senderData;
    ref->masterNodeId = c_masterNodeId;
    ref->errorCode = trans_ptr.p->m_errorCode;
    ref->errorLine = 0;
    ref->errorKey = 0;
    ref->status = 0;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_CREATE_FILEGROUP_REF, signal, 
	       CreateFilegroupRef::SignalLength, JBB);

    break;
  }
  case GSN_CREATE_FILE_REQ:
  {
    CreateFileRef * ref = (CreateFileRef*)signal->getDataPtr();
    ref->senderRef = reference();
    ref->senderData = trans_ptr.p->m_senderData;
    ref->masterNodeId = c_masterNodeId;
    ref->errorCode = trans_ptr.p->m_errorCode;
    ref->errorLine = 0;
    ref->errorKey = 0;
    ref->status = 0;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_CREATE_FILE_REF, signal, 
	       CreateFileRef::SignalLength, JBB);
    
    break;
  }
  case GSN_DROP_FILE_REQ:
  {
    DropFileRef * ref = (DropFileRef*)signal->getDataPtr();
    ref->senderRef = reference();
    ref->senderData = trans_ptr.p->m_senderData;
    ref->masterNodeId = c_masterNodeId;
    ref->errorCode = trans_ptr.p->m_errorCode;
    ref->errorLine = 0;
    ref->errorKey = 0;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_DROP_FILE_REF, signal, 
	       DropFileRef::SignalLength, JBB);
    
    break;
  }
  case GSN_DROP_FILEGROUP_REQ:
  {
    //
    DropFilegroupRef * ref = (DropFilegroupRef*)signal->getDataPtr();
    ref->senderRef = reference();
    ref->senderData = trans_ptr.p->m_senderData;
    ref->masterNodeId = c_masterNodeId;
    ref->errorCode = trans_ptr.p->m_errorCode;
    ref->errorLine = 0;
    ref->errorKey = 0;
    
    //@todo check api failed
    sendSignal(trans_ptr.p->m_senderRef, GSN_DROP_FILEGROUP_REF, signal, 
	       DropFilegroupRef::SignalLength, JBB);

    break;
  }
  default:
    ndbrequire(false);
  }
  
  c_Trans.release(trans_ptr);
jonas@perch.ndb.mysql.com's avatar
ndb -  
jonas@perch.ndb.mysql.com committed
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  ndbrequire(c_blockState == BS_CREATE_TAB);
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  c_blockState = BS_IDLE;
  return;
}

void
Dbdict::execCREATE_OBJ_REQ(Signal* signal){
  jamEntry();

  if(!assembleFragments(signal)){
    jam();
    return;
  }

  CreateObjReq * const req = (CreateObjReq*)signal->getDataPtr();
  const Uint32 gci = req->gci;
  const Uint32 objId = req->objId;
  const Uint32 objVersion = req->objVersion;
  const Uint32 objType = req->objType;
  const Uint32 requestInfo = req->requestInfo;

  SegmentedSectionPtr objInfoPtr;
  signal->getSection(objInfoPtr, CreateObjReq::DICT_OBJ_INFO);
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.seize(createObjPtr));
  
  const Uint32 key = req->op_key;
  createObjPtr.p->key = key;
  c_opCreateObj.add(createObjPtr);
  createObjPtr.p->m_errorCode = 0;
  createObjPtr.p->m_senderRef = req->senderRef;
  createObjPtr.p->m_senderData = req->senderData;
  createObjPtr.p->m_clientRef = req->clientRef;
  createObjPtr.p->m_clientData = req->clientData;
  
  createObjPtr.p->m_gci = gci;
  createObjPtr.p->m_obj_id = objId;
  createObjPtr.p->m_obj_type = objType;
  createObjPtr.p->m_obj_version = objVersion;
  createObjPtr.p->m_obj_info_ptr_i = objInfoPtr.i;
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  createObjPtr.p->m_obj_ptr_i = RNIL;
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  createObjPtr.p->m_callback.m_callbackData = key;
  createObjPtr.p->m_callback.m_callbackFunction= 
    safe_cast(&Dbdict::createObj_prepare_start_done);

  createObjPtr.p->m_restart= 0;
  switch(objType){
  case DictTabInfo::Tablespace:
  case DictTabInfo::LogfileGroup:
    createObjPtr.p->m_vt_index = 0;
    break;
  case DictTabInfo::Datafile:
  case DictTabInfo::Undofile:
    /**
     * Use restart code to impl. ForceCreateFile
     */
    if (requestInfo & CreateFileReq::ForceCreateFile)
      createObjPtr.p->m_restart= 2;      
    createObjPtr.p->m_vt_index = 1;
    break;
  default:
    ndbrequire(false);
  }
  
  signal->header.m_noOfSections = 0;
  (this->*f_dict_op[createObjPtr.p->m_vt_index].m_prepare_start)
    (signal, createObjPtr.p);
}

void
Dbdict::execDICT_COMMIT_REQ(Signal* signal)
{
  DictCommitReq* req = (DictCommitReq*)signal->getDataPtr();

  Ptr<SchemaOp> op;
  ndbrequire(c_schemaOp.find(op, req->op_key));

  (this->*f_dict_op[op.p->m_vt_index].m_commit)(signal, op.p);
}

void
Dbdict::execDICT_ABORT_REQ(Signal* signal)
{
  DictAbortReq* req = (DictAbortReq*)signal->getDataPtr();

  Ptr<SchemaOp> op;
  ndbrequire(c_schemaOp.find(op, req->op_key));

  (this->*f_dict_op[op.p->m_vt_index].m_abort)(signal, op.p);
}

void
Dbdict::execDICT_COMMIT_REF(Signal* signal){
  jamEntry();
  
  DictCommitRef * const ref = (DictCommitRef*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, ref->senderData));
  
  if(ref->errorCode != DictCommitRef::NF_FakeErrorREF){
    trans_ptr.p->setErrorCode(ref->errorCode);
  }
  Uint32 node = refToNode(ref->senderRef);
  schemaOp_reply(signal, trans_ptr.p, node);
}

void
Dbdict::execDICT_COMMIT_CONF(Signal* signal){
  jamEntry();
  
  DictCommitConf * const conf = (DictCommitConf*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, conf->senderData));
  schemaOp_reply(signal, trans_ptr.p, refToNode(conf->senderRef));
}

void
Dbdict::execDICT_ABORT_REF(Signal* signal){
  jamEntry();
  
  DictAbortRef * const ref = (DictAbortRef*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, ref->senderData));
  
  if(ref->errorCode != DictAbortRef::NF_FakeErrorREF){
    trans_ptr.p->setErrorCode(ref->errorCode);
  }
  Uint32 node = refToNode(ref->senderRef);
  schemaOp_reply(signal, trans_ptr.p, node);
}

void
Dbdict::execDICT_ABORT_CONF(Signal* signal){
  jamEntry();
  
  DictAbortConf * const conf = (DictAbortConf*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, conf->senderData));
  schemaOp_reply(signal, trans_ptr.p, refToNode(conf->senderRef));
}



void
Dbdict::createObj_prepare_start_done(Signal* signal,
				     Uint32 callbackData, 
				     Uint32 returnCode){
  
  ndbrequire(returnCode == 0);

  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));

  SegmentedSectionPtr objInfoPtr;
  getSection(objInfoPtr, createObjPtr.p->m_obj_info_ptr_i);
  
  if(createObjPtr.p->m_errorCode != 0){
    jam();
    createObjPtr.p->m_obj_info_ptr_i= RNIL;
    signal->setSection(objInfoPtr, 0);
    releaseSections(signal);
    createObj_prepare_complete_done(signal, callbackData, 0);
    return;
  }
  
  SchemaFile::TableEntry tabEntry;
  bzero(&tabEntry, sizeof(tabEntry));
  tabEntry.m_tableVersion = createObjPtr.p->m_obj_version;
  tabEntry.m_tableType    = createObjPtr.p->m_obj_type;
  tabEntry.m_tableState   = SchemaFile::ADD_STARTED;
  tabEntry.m_gcp          = createObjPtr.p->m_gci;
  tabEntry.m_info_words   = objInfoPtr.sz;
  
  Callback cb;
  cb.m_callbackData = createObjPtr.p->key;
  cb.m_callbackFunction = safe_cast(&Dbdict::createObj_writeSchemaConf1);
  
  updateSchemaState(signal, createObjPtr.p->m_obj_id, &tabEntry, &cb);
}

void
Dbdict::createObj_writeSchemaConf1(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 returnCode){
  jam();

  ndbrequire(returnCode == 0);

  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  
  Callback callback;
  callback.m_callbackData = createObjPtr.p->key;
  callback.m_callbackFunction = safe_cast(&Dbdict::createObj_writeObjConf);
  
  SegmentedSectionPtr objInfoPtr;
  getSection(objInfoPtr, createObjPtr.p->m_obj_info_ptr_i);
  writeTableFile(signal, createObjPtr.p->m_obj_id, objInfoPtr, &callback);
  
  signal->setSection(objInfoPtr, 0);
  releaseSections(signal);
  createObjPtr.p->m_obj_info_ptr_i = RNIL;
}

void
Dbdict::createObj_writeObjConf(Signal* signal, 
			       Uint32 callbackData,
			       Uint32 returnCode){
  jam();

  ndbrequire(returnCode == 0);
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));

  createObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_prepare_complete_done);
  (this->*f_dict_op[createObjPtr.p->m_vt_index].m_prepare_complete)
    (signal, createObjPtr.p);
}

void
Dbdict::createObj_prepare_complete_done(Signal* signal, 
					Uint32 callbackData,
					Uint32 returnCode){
  jam();
  
  ndbrequire(returnCode == 0);
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  
  //@todo check for master failed
  
  if(createObjPtr.p->m_errorCode == 0){
    jam();
    
    CreateObjConf * const conf = (CreateObjConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = createObjPtr.p->m_senderData;
    sendSignal(createObjPtr.p->m_senderRef, GSN_CREATE_OBJ_CONF,
	       signal, CreateObjConf::SignalLength, JBB);
    return;
  }
  
  CreateObjRef * const ref = (CreateObjRef*)signal->getDataPtr();
  ref->senderRef = reference();
  ref->senderData = createObjPtr.p->m_senderData;
  ref->errorCode = createObjPtr.p->m_errorCode;
  ref->errorLine = 0;
  ref->errorKey = 0;
  ref->errorStatus = 0;
  
  sendSignal(createObjPtr.p->m_senderRef, GSN_CREATE_OBJ_REF,
	     signal, CreateObjRef::SignalLength, JBB);
}

void
Dbdict::createObj_commit(Signal * signal, SchemaOp * op){
  jam();
  
  OpCreateObj * createObj = (OpCreateObj*)op;
  createObj->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_commit_start_done);
  if (f_dict_op[createObj->m_vt_index].m_commit_start)
    (this->*f_dict_op[createObj->m_vt_index].m_commit_start)(signal, createObj);
  else
    execute(signal, createObj->m_callback, 0);
}

void
Dbdict::createObj_commit_start_done(Signal* signal, 
				    Uint32 callbackData,
				    Uint32 returnCode){
  
  jam();
  
  ndbrequire(returnCode == 0);
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  
  Uint32 objId = createObjPtr.p->m_obj_id;
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry objEntry = * getTableEntry(xsf, objId);
  objEntry.m_tableState = SchemaFile::TABLE_ADD_COMMITTED;
  
  Callback callback;
  callback.m_callbackData = createObjPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_writeSchemaConf2);
  
  updateSchemaState(signal, createObjPtr.p->m_obj_id, &objEntry, &callback);

}

void
Dbdict::createObj_writeSchemaConf2(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 returnCode){
  jam();
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));

  createObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_commit_complete_done);
  if (f_dict_op[createObjPtr.p->m_vt_index].m_commit_complete)
    (this->*f_dict_op[createObjPtr.p->m_vt_index].m_commit_complete)
      (signal, createObjPtr.p);
  else
    execute(signal, createObjPtr.p->m_callback, 0);
  
}

void
Dbdict::createObj_commit_complete_done(Signal* signal, 
				       Uint32 callbackData,
				       Uint32 returnCode){
  jam();
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  
  //@todo check error
  //@todo check master failed
  
  DictCommitConf * const conf = (DictCommitConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = createObjPtr.p->m_senderData;
  sendSignal(createObjPtr.p->m_senderRef, GSN_DICT_COMMIT_CONF,
	     signal, DictCommitConf::SignalLength, JBB);
  
  c_opCreateObj.release(createObjPtr);
}

void
Dbdict::createObj_abort(Signal* signal, SchemaOp* op)
{
  jam();
  
  OpCreateObj * createObj = (OpCreateObj*)op;
  
  createObj->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_abort_start_done);
  if (f_dict_op[createObj->m_vt_index].m_abort_start)
    (this->*f_dict_op[createObj->m_vt_index].m_abort_start)(signal, createObj);
  else
    execute(signal, createObj->m_callback, 0);
}

void
Dbdict::createObj_abort_start_done(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 returnCode){
  jam();
  
  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));
  
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry objEntry = * getTableEntry(xsf, 
						    createObjPtr.p->m_obj_id);
  objEntry.m_tableState = SchemaFile::DROP_TABLE_COMMITTED;
  
  Callback callback;
  callback.m_callbackData = createObjPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_abort_writeSchemaConf);
  
  updateSchemaState(signal, createObjPtr.p->m_obj_id, &objEntry, &callback);
}

void
Dbdict::createObj_abort_writeSchemaConf(Signal* signal, 
					Uint32 callbackData,
					Uint32 returnCode)
{
  jam();

  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));

  createObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::createObj_abort_complete_done);
  
  if (f_dict_op[createObjPtr.p->m_vt_index].m_abort_complete)
    (this->*f_dict_op[createObjPtr.p->m_vt_index].m_abort_complete)
      (signal, createObjPtr.p);
  else
    execute(signal, createObjPtr.p->m_callback, 0);
}

void
Dbdict::createObj_abort_complete_done(Signal* signal, 
				      Uint32 callbackData,
				      Uint32 returnCode)
{
  jam();

  CreateObjRecordPtr createObjPtr;  
  ndbrequire(c_opCreateObj.find(createObjPtr, callbackData));

  DictAbortConf * const conf = (DictAbortConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = createObjPtr.p->m_senderData;
  sendSignal(createObjPtr.p->m_senderRef, GSN_DICT_ABORT_CONF,
	     signal, DictAbortConf::SignalLength, JBB);
  
  c_opCreateObj.release(createObjPtr);
}

void
Dbdict::execDROP_OBJ_REQ(Signal* signal){
  jamEntry();

  if(!assembleFragments(signal)){
    jam();
    return;
  }
  
  DropObjReq * const req = (DropObjReq*)signal->getDataPtr();

  const Uint32 objId = req->objId;
  const Uint32 objVersion = req->objVersion;
  const Uint32 objType = req->objType;
  const Uint32 requestInfo = req->requestInfo;
  
  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.seize(dropObjPtr));
  
  const Uint32 key = req->op_key;
  dropObjPtr.p->key = key;
  c_opDropObj.add(dropObjPtr);
  dropObjPtr.p->m_errorCode = 0;
  dropObjPtr.p->m_senderRef = req->senderRef;
  dropObjPtr.p->m_senderData = req->senderData;
  dropObjPtr.p->m_clientRef = req->clientRef;
  dropObjPtr.p->m_clientData = req->clientData;
  
  dropObjPtr.p->m_obj_id = objId;
  dropObjPtr.p->m_obj_type = objType;
  dropObjPtr.p->m_obj_version = objVersion;

  dropObjPtr.p->m_callback.m_callbackData = key;
  dropObjPtr.p->m_callback.m_callbackFunction= 
    safe_cast(&Dbdict::dropObj_prepare_start_done);

  switch(objType){
  case DictTabInfo::Tablespace:
  case DictTabInfo::LogfileGroup:
  {
    dropObjPtr.p->m_vt_index = 3;
    Ptr<Filegroup> fg_ptr;
    ndbrequire(c_filegroup_hash.find(fg_ptr, objId));
    dropObjPtr.p->m_obj_ptr_i = fg_ptr.i;
    break;
  
  }
  case DictTabInfo::Datafile:
  {
    dropObjPtr.p->m_vt_index = 2;
    Ptr<File> file_ptr;
    ndbrequire(c_file_hash.find(file_ptr, objId));
    dropObjPtr.p->m_obj_ptr_i = file_ptr.i;
    break;
  }
  case DictTabInfo::Undofile:
    dropObjPtr.p->m_vt_index = 4;
    return;
  default:
    ndbrequire(false);
  }
  
  signal->header.m_noOfSections = 0;
  (this->*f_dict_op[dropObjPtr.p->m_vt_index].m_prepare_start)
    (signal, dropObjPtr.p);
}

void
Dbdict::dropObj_prepare_start_done(Signal* signal, 
				   Uint32 callbackData,
				   Uint32 returnCode)
{
  ndbrequire(returnCode == 0);

  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));

  Callback cb;
  cb.m_callbackData = callbackData;
  cb.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_prepare_writeSchemaConf);

  if(dropObjPtr.p->m_errorCode != 0)
  {
    jam();
    dropObj_prepare_complete_done(signal, callbackData, 0);
    return;
  }
  
  Uint32 objId = dropObjPtr.p->m_obj_id;
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry objEntry = *getTableEntry(xsf, objId);
  objEntry.m_tableState = SchemaFile::DROP_TABLE_STARTED;
  updateSchemaState(signal, objId, &objEntry, &cb);
}

void
Dbdict::dropObj_prepare_writeSchemaConf(Signal* signal, 
					Uint32 callbackData,
					Uint32 returnCode)
{
  ndbrequire(returnCode == 0);

  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  dropObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_prepare_complete_done);
  
  if(f_dict_op[dropObjPtr.p->m_vt_index].m_prepare_complete)
    (this->*f_dict_op[dropObjPtr.p->m_vt_index].m_prepare_complete)
      (signal, dropObjPtr.p);
  else
    execute(signal, dropObjPtr.p->m_callback, 0);
}

void
Dbdict::dropObj_prepare_complete_done(Signal* signal, 
				      Uint32 callbackData,
				      Uint32 returnCode)
{
  ndbrequire(returnCode == 0);
  
  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  //@todo check for master failed
  
  if(dropObjPtr.p->m_errorCode == 0){
    jam();
    
    DropObjConf * const conf = (DropObjConf*)signal->getDataPtr();
    conf->senderRef = reference();
    conf->senderData = dropObjPtr.p->m_senderData;
    sendSignal(dropObjPtr.p->m_senderRef, GSN_DROP_OBJ_CONF,
	       signal, DropObjConf::SignalLength, JBB);
    return;
  }
  
  DropObjRef * const ref = (DropObjRef*)signal->getDataPtr();
  ref->senderRef = reference();
  ref->senderData = dropObjPtr.p->m_senderData;
  ref->errorCode = dropObjPtr.p->m_errorCode;
  
  sendSignal(dropObjPtr.p->m_senderRef, GSN_DROP_OBJ_REF,
	     signal, DropObjRef::SignalLength, JBB);

}

void
Dbdict::dropObj_commit(Signal * signal, SchemaOp * op){
  jam();
  
  OpDropObj * dropObj = (OpDropObj*)op;
  dropObj->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_commit_start_done);
  if (f_dict_op[dropObj->m_vt_index].m_commit_start)
    (this->*f_dict_op[dropObj->m_vt_index].m_commit_start)(signal, dropObj);
  else
    execute(signal, dropObj->m_callback, 0);
}

void
Dbdict::dropObj_commit_start_done(Signal* signal, 
				  Uint32 callbackData,
				  Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);

  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  Uint32 objId = dropObjPtr.p->m_obj_id;
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry objEntry = * getTableEntry(xsf, objId);
  objEntry.m_tableState = SchemaFile::DROP_TABLE_COMMITTED;
  
  Callback callback;
  callback.m_callbackData = dropObjPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_commit_writeSchemaConf);
  
  updateSchemaState(signal, objId, &objEntry, &callback);
}

void
Dbdict::dropObj_commit_writeSchemaConf(Signal* signal, 
				       Uint32 callbackData,
				       Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  
  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  dropObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_commit_complete_done);
  
  if(f_dict_op[dropObjPtr.p->m_vt_index].m_commit_complete)
    (this->*f_dict_op[dropObjPtr.p->m_vt_index].m_commit_complete)
      (signal, dropObjPtr.p);
  else
    execute(signal, dropObjPtr.p->m_callback, 0);
}

void
Dbdict::dropObj_commit_complete_done(Signal* signal, 
				     Uint32 callbackData,
				     Uint32 returnCode)
{
  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  //@todo check error
  //@todo check master failed
  
  DictCommitConf * const conf = (DictCommitConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = dropObjPtr.p->m_senderData;
  sendSignal(dropObjPtr.p->m_senderRef, GSN_DICT_COMMIT_CONF,
	     signal, DictCommitConf::SignalLength, JBB);
  
  c_opDropObj.release(dropObjPtr);
}

void
Dbdict::dropObj_abort(Signal * signal, SchemaOp * op){
  jam();
  
  OpDropObj * dropObj = (OpDropObj*)op;
  dropObj->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_abort_start_done);

  if (f_dict_op[dropObj->m_vt_index].m_abort_start)
    (this->*f_dict_op[dropObj->m_vt_index].m_abort_start)(signal, dropObj);
  else
    execute(signal, dropObj->m_callback, 0);
}

void
Dbdict::dropObj_abort_start_done(Signal* signal, 
				 Uint32 callbackData,
				 Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);

  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
  SchemaFile::TableEntry objEntry = * getTableEntry(xsf, 
						    dropObjPtr.p->m_obj_id);

  Callback callback;
  callback.m_callbackData = dropObjPtr.p->key;
  callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_abort_writeSchemaConf);
  
  if (objEntry.m_tableState == SchemaFile::DROP_TABLE_STARTED)
  {
    jam();
    objEntry.m_tableState = SchemaFile::TABLE_ADD_COMMITTED;
        
    updateSchemaState(signal, dropObjPtr.p->m_obj_id, &objEntry, &callback);
  }
  else
  {
    execute(signal, callback, 0);
  }
}

void
Dbdict::dropObj_abort_writeSchemaConf(Signal* signal, 
				      Uint32 callbackData,
				      Uint32 returnCode)
{
  jam();
  ndbrequire(returnCode == 0);
  
  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));
  
  dropObjPtr.p->m_callback.m_callbackFunction = 
    safe_cast(&Dbdict::dropObj_abort_complete_done);
  
  if(f_dict_op[dropObjPtr.p->m_vt_index].m_abort_complete)
    (this->*f_dict_op[dropObjPtr.p->m_vt_index].m_abort_complete)
      (signal, dropObjPtr.p);
  else
    execute(signal, dropObjPtr.p->m_callback, 0);
}

void
Dbdict::dropObj_abort_complete_done(Signal* signal, 
				    Uint32 callbackData,
				    Uint32 returnCode)
{
  DropObjRecordPtr dropObjPtr;  
  ndbrequire(c_opDropObj.find(dropObjPtr, callbackData));

  DictAbortConf * const conf = (DictAbortConf*)signal->getDataPtr();
  conf->senderRef = reference();
  conf->senderData = dropObjPtr.p->m_senderData;
  sendSignal(dropObjPtr.p->m_senderRef, GSN_DICT_ABORT_CONF,
	     signal, DictAbortConf::SignalLength, JBB);
  
  c_opDropObj.release(dropObjPtr);
}

void 
Dbdict::create_fg_prepare_start(Signal* signal, SchemaOp* op){
  /**
   * Put data into table record
   */
  SegmentedSectionPtr objInfoPtr;
  getSection(objInfoPtr, ((OpCreateObj*)op)->m_obj_info_ptr_i);
  SimplePropertiesSectionReader it(objInfoPtr, getSectionSegmentPool());
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  Ptr<DictObject> obj_ptr; obj_ptr.setNull();
  FilegroupPtr fg_ptr; fg_ptr.setNull();
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  SimpleProperties::UnpackStatus status;
  DictFilegroupInfo::Filegroup fg; fg.init();
  do {
    status = SimpleProperties::unpack(it, &fg, 
				      DictFilegroupInfo::Mapping, 
				      DictFilegroupInfo::MappingSize, 
				      true, true);
    
    if(status != SimpleProperties::Eof)
    {
      op->m_errorCode = CreateTableRef::InvalidFormat;
      break;
    }

    if(fg.FilegroupType == DictTabInfo::Tablespace)
    {
      if(!fg.TS_ExtentSize)
      {
	op->m_errorCode = CreateFilegroupRef::InvalidExtentSize;
	break;
      }
    } 
    else if(fg.FilegroupType == DictTabInfo::LogfileGroup)
    {
      if(!fg.LF_UndoBufferSize)
      {
	op->m_errorCode = CreateFilegroupRef::InvalidUndoBufferSize;
	break;
      }
    }
    
    Uint32 len = strlen(fg.FilegroupName) + 1;
    Uint32 hash = Rope::hash(fg.FilegroupName, len);
    if(get_object(fg.FilegroupName, len, hash) != 0){
      op->m_errorCode = CreateTableRef::TableAlreadyExist;
      break;
    }
    
    if(!c_obj_pool.seize(obj_ptr)){
      op->m_errorCode = CreateTableRef::NoMoreTableRecords;
      break;
    }
    
    if(!c_filegroup_pool.seize(fg_ptr)){
      op->m_errorCode = CreateTableRef::NoMoreTableRecords;
      break;
    }
  
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    new (fg_ptr.p) Filegroup();

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    {
      Rope name(c_rope_pool, obj_ptr.p->m_name);
      if(!name.assign(fg.FilegroupName, len, hash)){
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	op->m_errorCode = CreateTableRef::OutOfStringBuffer;
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	break;
      }
    }
    
    fg_ptr.p->key = op->m_obj_id;
    fg_ptr.p->m_obj_ptr_i = obj_ptr.i;
    fg_ptr.p->m_type = fg.FilegroupType;
    fg_ptr.p->m_version = op->m_obj_version;
    fg_ptr.p->m_name = obj_ptr.p->m_name;

    switch(fg.FilegroupType){
    case DictTabInfo::Tablespace:
      //fg.TS_DataGrow = group.m_grow_spec;
      fg_ptr.p->m_tablespace.m_extent_size = fg.TS_ExtentSize;
      fg_ptr.p->m_tablespace.m_default_logfile_group_id = fg.TS_LogfileGroupId;

      Ptr<Filegroup> lg_ptr;
      if (!c_filegroup_hash.find(lg_ptr, fg.TS_LogfileGroupId))
      {
	op->m_errorCode = CreateFilegroupRef::NoSuchLogfileGroup;
	goto error;
      }

      if (lg_ptr.p->m_version != fg.TS_LogfileGroupVersion)
      {
	op->m_errorCode = CreateFilegroupRef::InvalidFilegroupVersion;
	goto error;
      }
      increase_ref_count(lg_ptr.p->m_obj_ptr_i);
      break;
    case DictTabInfo::LogfileGroup:
      fg_ptr.p->m_logfilegroup.m_undo_buffer_size = fg.LF_UndoBufferSize;
      fg_ptr.p->m_logfilegroup.m_files.init();
      //fg.LF_UndoGrow = ;
      break;
    default:
      ndbrequire(false);
    }

    obj_ptr.p->m_id = op->m_obj_id;
    obj_ptr.p->m_type = fg.FilegroupType;
    obj_ptr.p->m_ref_count = 0;
    c_obj_hash.add(obj_ptr);
    c_filegroup_hash.add(fg_ptr);
    
    op->m_obj_ptr_i = fg_ptr.i;
  } while(0);
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  if (op->m_errorCode)
  {
    jam();
    if (!fg_ptr.isNull())
    {
      jam();
      c_filegroup_pool.release(fg_ptr);
    }

    if (!obj_ptr.isNull())
    {
      jam();
      c_obj_pool.release(obj_ptr);
    }
  }
  
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  execute(signal, op->m_callback, 0);
}

void
Dbdict::create_fg_prepare_complete(Signal* signal, SchemaOp* op){
  /**
   * CONTACT TSMAN LGMAN PGMAN 
   */
  CreateFilegroupImplReq* req = 
    (CreateFilegroupImplReq*)signal->getDataPtrSend();

  req->senderData = op->key;
  req->senderRef = reference();
  req->filegroup_id = op->m_obj_id;
  req->filegroup_version = op->m_obj_version;

  FilegroupPtr fg_ptr;
  c_filegroup_pool.getPtr(fg_ptr, op->m_obj_ptr_i);
  
  Uint32 ref= 0;
  Uint32 len= 0;
  switch(op->m_obj_type){
  case DictTabInfo::Tablespace:
    ref = TSMAN_REF;
    len = CreateFilegroupImplReq::TablespaceLength;
    req->tablespace.extent_size = fg_ptr.p->m_tablespace.m_extent_size;
    req->tablespace.logfile_group_id = 
      fg_ptr.p->m_tablespace.m_default_logfile_group_id;
    break;
  case DictTabInfo::LogfileGroup:
    ref = LGMAN_REF;
    len = CreateFilegroupImplReq::LogfileGroupLength;
    req->logfile_group.buffer_size = 
      fg_ptr.p->m_logfilegroup.m_undo_buffer_size;
    break;
  default:
    ndbrequire(false);
  }
  
  sendSignal(ref, GSN_CREATE_FILEGROUP_REQ, signal, len, JBB);
}

void
Dbdict::execCREATE_FILEGROUP_REF(Signal* signal){
  jamEntry();

  CreateFilegroupImplRef * ref = (CreateFilegroupImplRef*)signal->getDataPtr();
  
  CreateObjRecordPtr op_ptr;
  ndbrequire(c_opCreateObj.find(op_ptr, ref->senderData));
  op_ptr.p->m_errorCode = ref->errorCode;

  execute(signal, op_ptr.p->m_callback, 0);  
}  

void
Dbdict::execCREATE_FILEGROUP_CONF(Signal* signal){  
  jamEntry();

  CreateFilegroupImplConf * rep = 
    (CreateFilegroupImplConf*)signal->getDataPtr();
  
  CreateObjRecordPtr op_ptr;
  ndbrequire(c_opCreateObj.find(op_ptr, rep->senderData));
  
  execute(signal, op_ptr.p->m_callback, 0);  
}

void
Dbdict::create_fg_abort_start(Signal* signal, SchemaOp* op){
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  CreateFilegroupImplReq* req = 
    (CreateFilegroupImplReq*)signal->getDataPtrSend();

  if (op->m_obj_ptr_i != RNIL)
  {
    jam();
    send_drop_fg(signal, op, DropFilegroupImplReq::Commit);
    return;
  }
  
  execute(signal, op->m_callback, 0);  
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}

void
Dbdict::create_fg_abort_complete(Signal* signal, SchemaOp* op){
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  if (op->m_obj_ptr_i != RNIL)
  {
    jam();
    FilegroupPtr fg_ptr;
    c_filegroup_pool.getPtr(fg_ptr, op->m_obj_ptr_i);
    
    release_object(fg_ptr.p->m_obj_ptr_i);
    c_filegroup_hash.release(fg_ptr);
  }
  
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  execute(signal, op->m_callback, 0);
}

void 
Dbdict::create_file_prepare_start(Signal* signal, SchemaOp* op){
  /**
   * Put data into table record
   */
  SegmentedSectionPtr objInfoPtr;
  getSection(objInfoPtr, ((OpCreateObj*)op)->m_obj_info_ptr_i);
  SimplePropertiesSectionReader it(objInfoPtr, getSectionSegmentPool());
  
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  Ptr<DictObject> obj_ptr; obj_ptr.setNull();
  FilePtr filePtr; filePtr.setNull();

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  DictFilegroupInfo::File f; f.init();
  SimpleProperties::UnpackStatus status;
  status = SimpleProperties::unpack(it, &f, 
				    DictFilegroupInfo::FileMapping, 
				    DictFilegroupInfo::FileMappingSize, 
				    true, true);
  
  do {
    if(status != SimpleProperties::Eof){
      op->m_errorCode = CreateFileRef::InvalidFormat;
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      break;
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    }

    // Get Filegroup
    FilegroupPtr fg_ptr;
    if(!c_filegroup_hash.find(fg_ptr, f.FilegroupId)){
      op->m_errorCode = CreateFileRef::NoSuchFilegroup;
      break;
    }
    
    if(fg_ptr.p->m_version != f.FilegroupVersion){
      op->m_errorCode = CreateFileRef::InvalidFilegroupVersion;
      break;
    }

    switch(f.FileType){
    case DictTabInfo::Datafile:
      if(fg_ptr.p->m_type != DictTabInfo::Tablespace)
	op->m_errorCode = CreateFileRef::InvalidFileType;
      break;
    case DictTabInfo::Undofile:
      if(fg_ptr.p->m_type != DictTabInfo::LogfileGroup)
	op->m_errorCode = CreateFileRef::InvalidFileType;
      break;
    default:
      op->m_errorCode = CreateFileRef::InvalidFileType;
    }
    
    if(op->m_errorCode)
      break;

    Uint32 len = strlen(f.FileName) + 1;
    Uint32 hash = Rope::hash(f.FileName, len);
    if(get_object(f.FileName, len, hash) != 0){
      op->m_errorCode = CreateFileRef::FilenameAlreadyExists;
      break;
    }
    
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jonas@perch.ndb.mysql.com committed
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    {
      Uint32 dl;
      const ndb_mgm_configuration_iterator * p = 
	m_ctx.m_config.getOwnConfigIterator();
      if(!ndb_mgm_get_int_parameter(p, CFG_DB_DISCLESS, &dl) && dl)
      {
	op->m_errorCode = CreateFileRef::NotSupportedWhenDiskless;
	break;
      }
    }
    
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    // Loop through all filenames...
    if(!c_obj_pool.seize(obj_ptr)){
      op->m_errorCode = CreateTableRef::NoMoreTableRecords;
      break;
    }
    
    if (! c_file_pool.seize(filePtr)){
      op->m_errorCode = CreateFileRef::OutOfFileRecords;
      break;
    }

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    new (filePtr.p) File();

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    {
      Rope name(c_rope_pool, obj_ptr.p->m_name);
      if(!name.assign(f.FileName, len, hash)){
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	op->m_errorCode = CreateTableRef::OutOfStringBuffer;
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	break;
      }
    }

    switch(fg_ptr.p->m_type){
    case DictTabInfo::Tablespace:
      increase_ref_count(fg_ptr.p->m_obj_ptr_i);
      break;
    case DictTabInfo::LogfileGroup:
    {
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      Local_file_list list(c_file_pool, fg_ptr.p->m_logfilegroup.m_files);
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      list.add(filePtr);
      break;
    }
    default:
      ndbrequire(false);
    }
    
    /**
     * Init file
     */
    filePtr.p->key = op->m_obj_id;
    filePtr.p->m_file_size = ((Uint64)f.FileSizeHi) << 32 | f.FileSizeLo;
    filePtr.p->m_path = obj_ptr.p->m_name;
    filePtr.p->m_obj_ptr_i = obj_ptr.i;
    filePtr.p->m_filegroup_id = f.FilegroupId;
    filePtr.p->m_type = f.FileType;
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    filePtr.p->m_version = op->m_obj_version;
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    obj_ptr.p->m_id = op->m_obj_id;
    obj_ptr.p->m_type = f.FileType;
    obj_ptr.p->m_ref_count = 0;
    c_obj_hash.add(obj_ptr);
    c_file_hash.add(filePtr);

    op->m_obj_ptr_i = filePtr.i;
  } while(0);
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  if (op->m_errorCode)
  {
    jam();
    if (!filePtr.isNull())
    {
      jam();
      c_file_pool.release(filePtr);
    }

    if (!obj_ptr.isNull())
    {
      jam();
      c_obj_pool.release(obj_ptr);
    }
  }
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  execute(signal, op->m_callback, 0);
}


void
Dbdict::create_file_prepare_complete(Signal* signal, SchemaOp* op){
  /**
   * CONTACT TSMAN LGMAN PGMAN 
   */
  CreateFileImplReq* req = (CreateFileImplReq*)signal->getDataPtrSend();

  FilePtr f_ptr;
  c_file_pool.getPtr(f_ptr, op->m_obj_ptr_i);

  FilegroupPtr fg_ptr;
  ndbrequire(c_filegroup_hash.find(fg_ptr, f_ptr.p->m_filegroup_id));

  req->senderData = op->key;
  req->senderRef = reference();
  switch(((OpCreateObj*)op)->m_restart){
  case 0:
    req->requestInfo = CreateFileImplReq::Create;
    break;
  case 1:
    req->requestInfo = CreateFileImplReq::Open;
    break;
  case 2:
    req->requestInfo = CreateFileImplReq::CreateForce;
    break;
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  }
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  req->file_id = f_ptr.p->key;
  req->filegroup_id = f_ptr.p->m_filegroup_id;
  req->filegroup_version = fg_ptr.p->m_version;
  req->file_size_hi = f_ptr.p->m_file_size >> 32;
  req->file_size_lo = f_ptr.p->m_file_size & 0xFFFFFFFF;

  Uint32 ref= 0;
  Uint32 len= 0;
  switch(op->m_obj_type){
  case DictTabInfo::Datafile:
    ref = TSMAN_REF;
    len = CreateFileImplReq::DatafileLength;
    req->tablespace.extent_size = fg_ptr.p->m_tablespace.m_extent_size;
    break;
  case DictTabInfo::Undofile:
    ref = LGMAN_REF;
    len = CreateFileImplReq::UndofileLength;
    break;
  default:
    ndbrequire(false);
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  }
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  char name[MAX_TAB_NAME_SIZE];
  ConstRope tmp(c_rope_pool, f_ptr.p->m_path);
  tmp.copy(name);
  LinearSectionPtr ptr[3];
  ptr[0].p = (Uint32*)&name[0];
  ptr[0].sz = (strlen(name)+1+3)/4;
  sendSignal(ref, GSN_CREATE_FILE_REQ, signal, len, JBB, ptr, 1);
}

void
Dbdict::execCREATE_FILE_REF(Signal* signal){
  jamEntry();

  CreateFileImplRef * ref = (CreateFileImplRef*)signal->getDataPtr();
  
  CreateObjRecordPtr op_ptr;
  ndbrequire(c_opCreateObj.find(op_ptr, ref->senderData));
  op_ptr.p->m_errorCode = ref->errorCode;

  execute(signal, op_ptr.p->m_callback, 0);  
}  

void
Dbdict::execCREATE_FILE_CONF(Signal* signal){  
  jamEntry();

  CreateFileImplConf * rep = 
    (CreateFileImplConf*)signal->getDataPtr();
  
  CreateObjRecordPtr op_ptr;
  ndbrequire(c_opCreateObj.find(op_ptr, rep->senderData));
  
  execute(signal, op_ptr.p->m_callback, 0);  
}

void
Dbdict::create_file_commit_start(Signal* signal, SchemaOp* op){
  /**
   * CONTACT TSMAN LGMAN PGMAN 
   */
  CreateFileImplReq* req = (CreateFileImplReq*)signal->getDataPtrSend();

  FilePtr f_ptr;
  c_file_pool.getPtr(f_ptr, op->m_obj_ptr_i);

  FilegroupPtr fg_ptr;
  ndbrequire(c_filegroup_hash.find(fg_ptr, f_ptr.p->m_filegroup_id));

  req->senderData = op->key;
  req->senderRef = reference();
  req->requestInfo = CreateFileImplReq::Commit;
  
  req->file_id = f_ptr.p->key;
  req->filegroup_id = f_ptr.p->m_filegroup_id;
  req->filegroup_version = fg_ptr.p->m_version;

  Uint32 ref= 0;
  switch(op->m_obj_type){
  case DictTabInfo::Datafile:
    ref = TSMAN_REF;
    break;
  case DictTabInfo::Undofile:
    ref = LGMAN_REF;
    break;
  default:
    ndbrequire(false);
  }
  
  sendSignal(ref, GSN_CREATE_FILE_REQ, signal, 
	     CreateFileImplReq::CommitLength, JBB);
}

void
Dbdict::create_file_abort_start(Signal* signal, SchemaOp* op)
{
  CreateFileImplReq* req = (CreateFileImplReq*)signal->getDataPtrSend();

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  if (op->m_obj_ptr_i != RNIL)
  {
    FilePtr f_ptr;
    c_file_pool.getPtr(f_ptr, op->m_obj_ptr_i);
    
    FilegroupPtr fg_ptr;
    ndbrequire(c_filegroup_hash.find(fg_ptr, f_ptr.p->m_filegroup_id));
    
    req->senderData = op->key;
    req->senderRef = reference();
    req->requestInfo = CreateFileImplReq::Abort;
    
    req->file_id = f_ptr.p->key;
    req->filegroup_id = f_ptr.p->m_filegroup_id;
    req->filegroup_version = fg_ptr.p->m_version;
    
    Uint32 ref= 0;
    switch(op->m_obj_type){
    case DictTabInfo::Datafile:
      ref = TSMAN_REF;
      break;
    case DictTabInfo::Undofile:
      ref = LGMAN_REF;
      break;
    default:
      ndbrequire(false);
    }
    
    sendSignal(ref, GSN_CREATE_FILE_REQ, signal, 
	       CreateFileImplReq::AbortLength, JBB);
    return;
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  }
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  execute(signal, op->m_callback, 0);
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}

void
Dbdict::create_file_abort_complete(Signal* signal, SchemaOp* op)
{
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  if (op->m_obj_ptr_i != RNIL)
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  {
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    FilePtr f_ptr;
    c_file_pool.getPtr(f_ptr, op->m_obj_ptr_i);
    
    FilegroupPtr fg_ptr;
    ndbrequire(c_filegroup_hash.find(fg_ptr, f_ptr.p->m_filegroup_id));
    
    switch(fg_ptr.p->m_type){
    case DictTabInfo::Tablespace:
      decrease_ref_count(fg_ptr.p->m_obj_ptr_i);
      break;
    case DictTabInfo::LogfileGroup:
    {
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      Local_file_list list(c_file_pool, fg_ptr.p->m_logfilegroup.m_files);
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      list.remove(f_ptr);
      break;
    }
    default:
      ndbrequire(false);
    }
    
    release_object(f_ptr.p->m_obj_ptr_i);
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    c_file_hash.release(f_ptr);
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  }
  
  execute(signal, op->m_callback, 0);
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}
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void
Dbdict::drop_file_prepare_start(Signal* signal, SchemaOp* op)
{
  send_drop_file(signal, op, DropFileImplReq::Prepare);
}

void
Dbdict::drop_undofile_prepare_start(Signal* signal, SchemaOp* op)
{
  op->m_errorCode = DropFileRef::DropUndoFileNotSupported;
  execute(signal, op->m_callback, 0);  
}

void
Dbdict::drop_file_commit_start(Signal* signal, SchemaOp* op)
{
  send_drop_file(signal, op, DropFileImplReq::Commit);
}

void
Dbdict::drop_file_commit_complete(Signal* signal, SchemaOp* op)
{
  FilePtr f_ptr;
  c_file_pool.getPtr(f_ptr, op->m_obj_ptr_i);
  
  FilegroupPtr fg_ptr;
  ndbrequire(c_filegroup_hash.find(fg_ptr, f_ptr.p->m_filegroup_id));

  decrease_ref_count(fg_ptr.p->m_obj_ptr_i);
  release_object(f_ptr.p->m_obj_ptr_i);
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  c_file_hash.release(f_ptr);
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  execute(signal, op->m_callback, 0);
}

void
Dbdict::drop_file_abort_start(Signal* signal, SchemaOp* op)
{
  send_drop_file(signal, op, DropFileImplReq::Abort);
}

void
Dbdict::send_drop_file(Signal* signal, SchemaOp* op, 
		       DropFileImplReq::RequestInfo type)
{
  DropFileImplReq* req = (DropFileImplReq*)signal->getDataPtrSend();
  
  FilePtr f_ptr;
  c_file_pool.getPtr(f_ptr, op->m_obj_ptr_i);
  
  FilegroupPtr fg_ptr;
  ndbrequire(c_filegroup_hash.find(fg_ptr, f_ptr.p->m_filegroup_id));
  
  req->senderData = op->key;
  req->senderRef = reference();
  req->requestInfo = type;
  
  req->file_id = f_ptr.p->key;
  req->filegroup_id = f_ptr.p->m_filegroup_id;
  req->filegroup_version = fg_ptr.p->m_version;
  
  Uint32 ref= 0;
  switch(op->m_obj_type){
  case DictTabInfo::Datafile:
    ref = TSMAN_REF;
    break;
  case DictTabInfo::Undofile:
    ref = LGMAN_REF;
    break;
  default:
    ndbrequire(false);
  }
  
  sendSignal(ref, GSN_DROP_FILE_REQ, signal, 
	     DropFileImplReq::SignalLength, JBB);
}

void
Dbdict::execDROP_OBJ_REF(Signal* signal){
  jamEntry();

  DropObjRef * const ref = (DropObjRef*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, ref->senderData));
  
  if(ref->errorCode != DropObjRef::NF_FakeErrorREF){
    trans_ptr.p->setErrorCode(ref->errorCode);
  }
  Uint32 node = refToNode(ref->senderRef);
  schemaOp_reply(signal, trans_ptr.p, node);
}

void
Dbdict::execDROP_OBJ_CONF(Signal* signal){
  jamEntry();

  DropObjConf * const conf = (DropObjConf*)signal->getDataPtr();
  
  Ptr<SchemaTransaction> trans_ptr;
  ndbrequire(c_Trans.find(trans_ptr, conf->senderData));
  schemaOp_reply(signal, trans_ptr.p, refToNode(conf->senderRef));
}

void
Dbdict::execDROP_FILE_REF(Signal* signal){
  jamEntry();

  DropFileImplRef * ref = (DropFileImplRef*)signal->getDataPtr();
  
  DropObjRecordPtr op_ptr;
  ndbrequire(c_opDropObj.find(op_ptr, ref->senderData));
  op_ptr.p->m_errorCode = ref->errorCode;

  execute(signal, op_ptr.p->m_callback, 0);  
}  

void
Dbdict::execDROP_FILE_CONF(Signal* signal){  
  jamEntry();

  DropFileImplConf * rep = 
    (DropFileImplConf*)signal->getDataPtr();
  
  DropObjRecordPtr op_ptr;
  ndbrequire(c_opDropObj.find(op_ptr, rep->senderData));
  
  execute(signal, op_ptr.p->m_callback, 0);  
}

void
Dbdict::execDROP_FILEGROUP_REF(Signal* signal){
  jamEntry();

  DropFilegroupImplRef * ref = (DropFilegroupImplRef*)signal->getDataPtr();
  
  DropObjRecordPtr op_ptr;
  ndbrequire(c_opDropObj.find(op_ptr, ref->senderData));
  op_ptr.p->m_errorCode = ref->errorCode;

  execute(signal, op_ptr.p->m_callback, 0);  
}  

void
Dbdict::execDROP_FILEGROUP_CONF(Signal* signal){  
  jamEntry();

  DropFilegroupImplConf * rep = 
    (DropFilegroupImplConf*)signal->getDataPtr();
  
  DropObjRecordPtr op_ptr;
  ndbrequire(c_opDropObj.find(op_ptr, rep->senderData));
  
  execute(signal, op_ptr.p->m_callback, 0);  
}

void
Dbdict::drop_fg_prepare_start(Signal* signal, SchemaOp* op)
{
  FilegroupPtr fg_ptr;
  c_filegroup_pool.getPtr(fg_ptr, op->m_obj_ptr_i);
  
  DictObject * obj = c_obj_pool.getPtr(fg_ptr.p->m_obj_ptr_i);
  if (obj->m_ref_count)
  {
    op->m_errorCode = DropFilegroupRef::FilegroupInUse;
    execute(signal, op->m_callback, 0);  
  }
  else
  {
    send_drop_fg(signal, op, DropFilegroupImplReq::Prepare);
  }
}

void
Dbdict::drop_fg_commit_start(Signal* signal, SchemaOp* op)
{
  FilegroupPtr fg_ptr;
  c_filegroup_pool.getPtr(fg_ptr, op->m_obj_ptr_i);
  if (op->m_obj_type == DictTabInfo::LogfileGroup)
  {
    
    /**
     * Mark all undofiles as dropped
     */
    Ptr<File> filePtr;
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    Local_file_list list(c_file_pool, fg_ptr.p->m_logfilegroup.m_files);
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    XSchemaFile * xsf = &c_schemaFile[c_schemaRecord.schemaPage != 0];
    for(list.first(filePtr); !filePtr.isNull(); list.next(filePtr))
    {
      Uint32 objId = filePtr.p->key;
      SchemaFile::TableEntry * tableEntry = getTableEntry(xsf, objId);
      tableEntry->m_tableState = SchemaFile::DROP_TABLE_COMMITTED;
      computeChecksum(xsf, objId / NDB_SF_PAGE_ENTRIES);
      release_object(filePtr.p->m_obj_ptr_i);
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      c_file_hash.remove(filePtr);
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    }
    list.release();
  }
  else if(op->m_obj_type == DictTabInfo::Tablespace)
  {
    FilegroupPtr lg_ptr;
    ndbrequire(c_filegroup_hash.
	       find(lg_ptr, 
		    fg_ptr.p->m_tablespace.m_default_logfile_group_id));
    
    decrease_ref_count(lg_ptr.p->m_obj_ptr_i);
  }
  
  send_drop_fg(signal, op, DropFilegroupImplReq::Commit);
}

void
Dbdict::drop_fg_commit_complete(Signal* signal, SchemaOp* op)
{
  FilegroupPtr fg_ptr;
  c_filegroup_pool.getPtr(fg_ptr, op->m_obj_ptr_i);
  
  release_object(fg_ptr.p->m_obj_ptr_i);
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  c_filegroup_hash.release(fg_ptr);

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  execute(signal, op->m_callback, 0);
}

void
Dbdict::drop_fg_abort_start(Signal* signal, SchemaOp* op)
{
  send_drop_fg(signal, op, DropFilegroupImplReq::Abort);
}

void
Dbdict::send_drop_fg(Signal* signal, SchemaOp* op, 
		     DropFilegroupImplReq::RequestInfo type)
{
  DropFilegroupImplReq* req = (DropFilegroupImplReq*)signal->getDataPtrSend();
  
  FilegroupPtr fg_ptr;
  c_filegroup_pool.getPtr(fg_ptr, op->m_obj_ptr_i);
  
  req->senderData = op->key;
  req->senderRef = reference();
  req->requestInfo = type;
  
  req->filegroup_id = fg_ptr.p->key;
  req->filegroup_version = fg_ptr.p->m_version;
  
  Uint32 ref= 0;
  switch(op->m_obj_type){
  case DictTabInfo::Tablespace:
    ref = TSMAN_REF;
    break;
  case DictTabInfo::LogfileGroup:
    ref = LGMAN_REF;
    break;
  default:
    ndbrequire(false);
  }
  
  sendSignal(ref, GSN_DROP_FILEGROUP_REQ, signal, 
	     DropFilegroupImplReq::SignalLength, JBB);
}