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Commit a2297506 authored by Sergei Golubchik's avatar Sergei Golubchik
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Fix connection thread handling to address MDEV-6282 MDEV-6345 and MDEV-6784 

Merge branch 'pastcomputer:10.0-oqgraph-6282-6345-6784-test' into 10.0
parents ef1eb9c6 a235504b
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Showing with 431 additions and 295 deletions
storage/oqgraph/graphcore-types.h
View file @ a2297506
......@@ -34,7 +34,9 @@ namespace open_query
}
// Forward defs from mariadb itself!
class Field;
typedef struct TABLE TABLE;
class THD;
#endif
storage/oqgraph/graphcore.cc
View file @ a2297506
......@@ -443,6 +443,9 @@ namespace open_query
return num_vertices(share->g);
}
THD* oqgraph::get_thd() { return share->g.get_table_thd(); }
void oqgraph::set_thd(THD* thd) { share->g.set_table_thd(thd); }
oqgraph* oqgraph::create(oqgraph_share *share) throw()
{
assert(share != NULL);
......
storage/oqgraph/graphcore.h
View file @ a2297506
......@@ -126,6 +126,9 @@ namespace open_query
static oqgraph* create(oqgraph_share*) throw();
static oqgraph_share *create(TABLE*,Field*,Field*,Field*) throw();
THD* get_thd();
void set_thd(THD*);
static void free(oqgraph*) throw();
static void free(oqgraph_share*) throw();
......
storage/oqgraph/ha_oqgraph.cc
View file @ a2297506
/* Copyright (C) 2007-2013 Arjen G Lentz & Antony T Curtis for Open Query
/* Copyright (C) 2007-2015 Arjen G Lentz & Antony T Curtis for Open Query
Copyright (C) 2013-2015 Andrew McDonnell
Portions of this file copyright (C) 2000-2006 MySQL AB
This program is free software; you can redistribute it and/or modify
......@@ -22,64 +23,48 @@
======================================================================
*/
/*
Changelog since 10.0.13
-----------------------
* Removed compatibility hacks for 5.5.32 and 10.0.4.
I expect no issues building oqgraph into Mariadb 5.5.40 but I think the better approach is maintain a separate fork / patches.
* Added status variable to report if verbose debug is on
* Fixed handling of connection thread changed, the apparent root cause of
MDEV-6282, MDEV-6345 and MDEV-6784
*/
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation // gcc: Class implementation
#endif
#include <my_config.h>
#define MYSQL_SERVER 1 // to have THD
/* For the moment, include code to deal with integer latches.
* I have wrapped it with this #ifdef to make it easier to find and remove in the future.
*/
#define RETAIN_INT_LATCH_COMPATIBILITY // for the time being, recognise integer latches to simplify upgrade.
#define MYSQL_SERVER // to have THD
#include <mysql/plugin.h>
#include "sql_class.h"
#include <stdarg.h>
#include <stdio.h>
#include <mysql_version.h>
#include "ha_oqgraph.h"
#include "graphcore.h"
#include <sql_error.h>
#if MYSQL_VERSION_ID >= 100004
// Interim workaround for rename in sql_error.h from this point
#define MYSQL_ERROR Sql_condition
#endif
#if MYSQL_VERSION_ID < 100000
// Allow compatibility with build for 5.5.32
#define user_defined_key_parts key_parts
#define open_table_error(a,b,c) open_table_error(a,b,c,0)
#define enum_open_frm_error int
#else
#define enum_open_frm_error enum open_frm_error
#endif
#include "table.h"
#include "field.h"
#include "key.h"
#include "unireg.h"
#include "sql_class.h"
#include "my_dbug.h"
#include <sql_class.h>
#include <table.h>
#include <field.h>
#include <key.h>
#include <unireg.h>
#include <my_dbug.h>
// Uncomment this for extra debug, but expect a performance hit in large queries
#define VERBOSE_DEBUG
//#define VERBOSE_DEBUG
#ifdef VERBOSE_DEBUG
#else
#undef DBUG_PRINT
#define DBUG_PRINT(x ...)
#endif
#define OQGRAPH_STATS_UPDATE_THRESHOLD 10
using namespace open_query;
/* For the moment, include code to deal with integer latches.
* I have wrapped it with this #ifdef to make it easier to find and remove
* in the future.
*/
#define RETAIN_INT_LATCH_COMPATIBILITY
#ifdef RETAIN_INT_LATCH_COMPATIBILITY
/* In normal operation, no new tables using an integer latch can be created,
* but they can still be used if they already exist, to allow for upgrades.
......@@ -90,12 +75,10 @@ using namespace open_query;
*/
static my_bool g_allow_create_integer_latch = FALSE;
static MYSQL_SYSVAR_BOOL(allow_create_integer_latch, g_allow_create_integer_latch,
PLUGIN_VAR_RQCMDARG, "Allow creation of integer latches "
"so the upgrade logic can be tested", NULL, NULL, FALSE);
#endif
using namespace open_query;
// Table of varchar latch operations.
// In the future this needs to be refactactored to live somewhere else
struct oqgraph_latch_op_table { const char *key; int latch; };
......@@ -126,16 +109,14 @@ const char *oqlatchToCode(int latch) {
return "unknown";
}
struct oqgraph_table_option_struct
struct ha_table_option_struct
{
const char *table_name;
const char *origid; // name of the origin id column
const char *destid; // name of the target id column
const char *weight; // name of the weight column (optional)
};
#define ha_table_option_struct oqgraph_table_option_struct
static const ha_create_table_option oqgraph_table_option_list[]=
{
HA_TOPTION_STRING("data_table", table_name),
......@@ -145,47 +126,6 @@ static const ha_create_table_option oqgraph_table_option_list[]=
HA_TOPTION_END
};
static const char oqgraph_description[]=
"Open Query Graph Computation Engine "
"(http://openquery.com/graph)";
#if MYSQL_VERSION_ID < 50100
static bool oqgraph_init();
handlerton oqgraph_hton= {
"OQGRAPH",
SHOW_OPTION_YES,
oqgraph_description,
DB_TYPE_OQGRAPH,
oqgraph_init,
0, /* slot */
0, /* savepoint size. */
NULL, /* close_connection */
NULL, /* savepoint */
NULL, /* rollback to savepoint */
NULL, /* release savepoint */
NULL, /* commit */
NULL, /* rollback */
NULL, /* prepare */
NULL, /* recover */
NULL, /* commit_by_xid */
NULL, /* rollback_by_xid */
NULL, /* create_cursor_read_view */
NULL, /* set_cursor_read_view */
NULL, /* close_cursor_read_view */
HTON_NO_FLAGS
};
#define STATISTIC_INCREMENT(X) \
statistic_increment(table->in_use->status_var.X, &LOCK_status)
#define MOVE(X) move_field(X)
#define RECORDS records
#else
#define STATISTIC_INCREMENT(X) /* nothing */
#define MOVE(X) move_field_offset(X)
#define RECORDS stats.records
#endif
static bool oqgraph_init_done= 0;
static handler* oqgraph_create_handler(handlerton *hton, TABLE_SHARE *table,
......@@ -195,20 +135,13 @@ static handler* oqgraph_create_handler(handlerton *hton, TABLE_SHARE *table,
return new (mem_root) ha_oqgraph(hton, table);
}
#if MYSQL_VERSION_ID >= 50100
static int oqgraph_init(handlerton *hton)
{
#else
static bool oqgraph_init()
{
if (have_oqgraph == SHOW_OPTION_DISABLED)
return 1;
#endif
int oqgraph_close_connection(handlerton *hton, THD *thd);
static int oqgraph_init(void *p)
{
handlerton *hton= (handlerton *)p;
DBUG_PRINT( "oq-debug", ("oqgraph_init"));
#if MYSQL_VERSION_ID >= 50100
hton->state= SHOW_OPTION_YES;
hton->db_type= DB_TYPE_AUTOASSIGN;
hton->create= oqgraph_create_handler;
......@@ -219,6 +152,9 @@ static bool oqgraph_init()
// HTON_NO_FLAGS;
hton->table_options= (ha_create_table_option*)oqgraph_table_option_list;
hton->close_connection = oqgraph_close_connection;
oqgraph_init_done= TRUE;
return 0;
}
......@@ -227,7 +163,6 @@ static int oqgraph_fini(void *)
{
DBUG_PRINT( "oq-debug", ("oqgraph_fini"));
oqgraph_init_done= FALSE;
#endif
return 0;
}
......@@ -335,7 +270,7 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
DBUG_PRINT( "oq-debug", ("Allowing integer latch anyway!"));
isStringLatch = false;
/* Make a warning */
push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
push_warning_printf(current_thd, Sql_condition::WARN_LEVEL_WARN,
ER_WARN_DEPRECATED_SYNTAX, ER(ER_WARN_DEPRECATED_SYNTAX),
"latch SMALLINT UNSIGNED NULL", "'latch VARCHAR(32) NULL'");
} else
......@@ -344,19 +279,19 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
{
DBUG_PRINT( "oq-debug", ("Allowing integer no more!"));
badColumn = true;
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Integer latch is not supported for new tables.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Integer latch is not supported for new tables.", i);
} else
/* Check Column Type */
if ((*field)->type() != skel[i].coltype) {
badColumn = true;
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d is wrong type.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d is wrong type.", i);
}
// Make sure latch column is large enough for all possible latch values
if (isLatchColumn && isStringLatch) {
if ((*field)->char_length() < findLongestLatch()) {
badColumn = true;
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d is too short.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d is too short.", i);
}
}
......@@ -364,18 +299,18 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
/* Check Is UNSIGNED */
if ( (!((*field)->flags & UNSIGNED_FLAG ))) {
badColumn = true;
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d must be UNSIGNED.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d must be UNSIGNED.", i);
}
}
/* Check THAT NOT NULL isn't set */
if (!badColumn) if ((*field)->flags & NOT_NULL_FLAG) {
badColumn = true;
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d must be NULL.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d must be NULL.", i);
}
/* Check the column name */
if (!badColumn) if (strcmp(skel[i].colname,(*field)->field_name)) {
badColumn = true;
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d must be named '%s'.", i, skel[i].colname);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Column %d must be named '%s'.", i, skel[i].colname);
}
if (badColumn) {
DBUG_RETURN(-1);
......@@ -383,16 +318,16 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
}
if (skel[i].colname) {
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Not enough columns.");
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Not enough columns.");
DBUG_RETURN(-1);
}
if (*field) {
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Too many columns.");
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Too many columns.");
DBUG_RETURN(-1);
}
if (!table_arg->key_info || !table_arg->s->keys) {
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "No vaild key specification.");
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "No valid key specification.");
DBUG_RETURN(-1);
}
......@@ -405,7 +340,7 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
/* check that the first key part is the latch and it is a hash key */
if (!(field[0] == key->key_part[0].field &&
HA_KEY_ALG_HASH == key->algorithm)) {
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Incorrect keys algorithm on key %d.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Incorrect keys algorithm on key %d.", i);
DBUG_RETURN(-1);
}
if (key->user_defined_key_parts == 3)
......@@ -417,12 +352,12 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
!(field[1] == key->key_part[2].field &&
field[2] == key->key_part[1].field))
{
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Keys parts mismatch on key %d.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Keys parts mismatch on key %d.", i);
DBUG_RETURN(-1);
}
}
else {
push_warning_printf( current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Too many key parts on key %d.", i);
push_warning_printf( current_thd, Sql_condition::WARN_LEVEL_WARN, HA_WRONG_CREATE_OPTION, "Too many key parts on key %d.", i);
DBUG_RETURN(-1);
}
}
......@@ -434,6 +369,14 @@ int ha_oqgraph::oqgraph_check_table_structure (TABLE *table_arg)
** OQGRAPH tables
*****************************************************************************/
int oqgraph_close_connection(handlerton *hton, THD *thd)
{
DBUG_PRINT( "oq-debug", ("thd: 0x%lx; oqgraph_close_connection.", (long) thd));
// close_thread_tables(thd); // maybe this?
return 0;
}
ha_oqgraph::ha_oqgraph(handlerton *hton, TABLE_SHARE *table_arg)
: handler(hton, table_arg)
, have_table_share(false)
......@@ -443,7 +386,8 @@ ha_oqgraph::ha_oqgraph(handlerton *hton, TABLE_SHARE *table_arg)
, graph_share(0)
, graph(0)
, error_message("", 0, &my_charset_latin1)
{ }
{
}
ha_oqgraph::~ha_oqgraph()
{ }
......@@ -492,55 +436,91 @@ void ha_oqgraph::fprint_error(const char* fmt, ...)
va_end(ap);
}
/**
* Check that the currently referenced OQGRAPH table definition, on entry to open(), has sane OQGRAPH options.
* (This does not check the backing store, but the OQGRAPH virtual table options)
*
* @return true if OK, or false if an option is invalid.
*/
bool ha_oqgraph::validate_oqgraph_table_options()
{
// Note when called from open(), we should not expect this method to fail except in the case of bugs; the fact that it does is
// could be construed as a bug. I think in practice however, this is because CREATE TABLE calls both create() and open(),
// and it is possible to do something like ALTER TABLE x DESTID='y' to _change_ the options.
// Thus we need to sanity check from open() until and unless we get around to extending ha_oqgraph to properly handle ALTER TABLE,
// after which we could change things to call this method from create() and the ALTER TABLE handling code instead.
// It may still be sensible to call this from open() anyway, in case someone somewhere upgrades from a broken table definition...
ha_table_option_struct *options = table->s->option_struct;
// Catch cases where table was not constructed properly
// Note - need to return -1 so our error text gets reported
if (!options) {
// This should only happen if there is a bug elsewhere in the storage engine, because ENGINE itself is an attribute
fprint_error("Invalid OQGRAPH backing store (null attributes)");
}
else if (!options->table_name || !*options->table_name) {
// The first condition indicates no DATA_TABLE option, the second if the user specified DATA_TABLE=''
fprint_error("Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)");
// if table_name option is present but doesn't actually exist, we will fail later
}
else if (!options->origid || !*options->origid) {
// The first condition indicates no ORIGID option, the second if the user specified ORIGID=''
fprint_error("Invalid OQGRAPH backing store description (unspecified or empty origid attribute)");
// if ORIGID option is present but doesn't actually exist, we will fail later
}
else if (!options->destid || !*options->destid) {
// The first condition indicates no DESTID option, the second if the user specified DESTID=''
fprint_error("Invalid OQGRAPH backing store description (unspecified or empty destid attribute)");
// if DESTID option is present but doesn't actually exist, we will fail later
} else {
// weight is optional...
return true;
}
// Fault
return false;
}
/**
* Open the OQGRAPH engine 'table'.
*
* An OQGRAPH table is effectively similar to a view over the underlying backing table,
* attribute 'data_table', but where the result returned by a query depends on the
* value of the 'latch' column specified to the query. Therefore,
* when mysqld opens us, we need to open the corresponding backing table 'data_table'
* An OQGRAPH table is effectively similar to a view over the underlying backing table, attribute 'data_table', but where the
* result returned by a query depends on the value of the 'latch' column specified to the query.
* Therefore, when mysqld opens us, we need to open the corresponding backing table 'data_table'.
*
* Conceptually, the backing store could be any kind of object having queryable semantics, including a SQL VIEW.
* However, for that to work in practice would require us to hook into the right level of the MYSQL API.
* Presently, only objects that can be opened using the internal mechanisms can be used: INNODB, MYISAM, etc.
* The intention is to borrow from ha_connect and use the mysql client library to access the backing store.
*
*/
int ha_oqgraph::open(const char *name, int mode, uint test_if_locked)
{
DBUG_ENTER("ha_oqgraph::open");
DBUG_PRINT( "oq-debug", ("thd: 0x%lx; open(name=%s,mode=%d,test_if_locked=%u)", (long) current_thd, name, mode, test_if_locked));
DBUG_PRINT( "oq-debug", ("open(name=%s,mode=%d,test_if_locked=%u)", name, mode, test_if_locked));
// So, we took a peek inside handler::ha_open() and learned a few things:
// * this->table is set by handler::ha_open() before calling open().
// Note that from this we can only assume that MariaDB knows what it is doing and wont call open() other anything else
// relying on this-0>table, re-entrantly...
// * this->table_share should never be set back to NULL, an assertion checks for this in ha_open() after open()
// * this->table_share is initialised in the constructor of handler
// * this->table_share is only otherwise changed by this->change_table_ptr())
// We also discovered that an assertion is raised if table->s is not table_share before calling open())
DBUG_ASSERT(!have_table_share);
DBUG_ASSERT(graph == NULL);
THD* thd = current_thd;
oqgraph_table_option_struct *options=
reinterpret_cast<oqgraph_table_option_struct*>(table->s->option_struct);
// Before doing anything, make sure we have DATA_TABLE, ORIGID and DESTID not empty
if (!validate_oqgraph_table_options()) { DBUG_RETURN(-1); }
// Catch cases where table was not constructed properly
// Note - need to return -1 so our error text gets reported
if (!options) {
fprint_error("Invalid OQGRAPH backing store (null attributes)");
DBUG_RETURN(-1);
}
if (!options->table_name || !*options->table_name) {
fprint_error("Invalid OQGRAPH backing store (unspecified or empty data_table attribute)");
// if table_name if present but doesnt actually exist, we will fail out below
// when we call open_table_def(). same probably applies for the id fields
DBUG_RETURN(-1);
}
if (!options->origid || !*options->origid) {
fprint_error("Invalid OQGRAPH backing store (unspecified or empty origid attribute)");
DBUG_RETURN(-1);
}
if (!options->destid || !*options->destid) {
fprint_error("Invalid OQGRAPH backing store (unspecified or empty destid attribute)");
DBUG_RETURN(-1);
}
// weight is optional
ha_table_option_struct *options= table->s->option_struct;
error_message.length(0);
error_message.length(0);
origid= destid= weight= 0;
// Here we're abusing init_tmp_table_share() which is normally only works for thread-local shares.
THD* thd = current_thd;
init_tmp_table_share( thd, share, table->s->db.str, table->s->db.length, options->table_name, "");
// because of that, we need to reinitialize the memroot (to reset MY_THREAD_SPECIFIC flag)
DBUG_ASSERT(share->mem_root.used == NULL); // it's still empty
......@@ -571,9 +551,8 @@ int ha_oqgraph::open(const char *name, int mode, uint test_if_locked)
share->normalized_path.str, share->path.length));
int open_def_flags = 0;
#if MYSQL_VERSION_ID >= 100002
open_def_flags = GTS_TABLE;
#endif
// We want to open the definition for the given backing table
// Once can assume this loop exists because sometimes open_table_def() fails for a reason other than not exist
// and not 'exist' is valid, because we use ha_create_table_from_engine() to force it to 'exist'
......@@ -583,28 +562,11 @@ int ha_oqgraph::open(const char *name, int mode, uint test_if_locked)
// Lets try without this, and see if all the tests pass...
while (open_table_def(thd, share, open_def_flags))
{
#if MYSQL_VERSION_ID < 100002
if (thd->is_error() && thd->stmt_da->sql_errno() != ER_NO_SUCH_TABLE)
{
free_table_share(share);
DBUG_RETURN(thd->stmt_da->sql_errno());
}
if (ha_create_table_from_engine(thd, table->s->db.str, options->table_name))
{
free_table_share(share);
DBUG_RETURN(thd->stmt_da->sql_errno());
}
/*mysql_reset_errors(thd, 1);*/
thd->clear_error();
continue;
#else
open_table_error(share, OPEN_FRM_OPEN_ERROR, ENOENT);
free_table_share(share);
if (thd->is_error())
DBUG_RETURN(thd->get_stmt_da()->sql_errno());
DBUG_RETURN(HA_ERR_NO_SUCH_TABLE);
#endif
}
......@@ -622,7 +584,7 @@ int ha_oqgraph::open(const char *name, int mode, uint test_if_locked)
DBUG_RETURN(-1);
}
if (enum_open_frm_error err= open_table_from_share(thd, share, "",
if (enum open_frm_error err= open_table_from_share(thd, share, "",
(uint) (HA_OPEN_KEYFILE | HA_OPEN_RNDFILE |
HA_GET_INDEX | HA_TRY_READ_ONLY),
READ_KEYINFO | COMPUTE_TYPES | EXTRA_RECORD,
......@@ -752,6 +714,7 @@ int ha_oqgraph::open(const char *name, int mode, uint test_if_locked)
int ha_oqgraph::close(void)
{
DBUG_PRINT( "oq-debug", ("close()"));
oqgraph::free(graph); graph= 0;
oqgraph::free(graph_share); graph_share= 0;
......@@ -767,6 +730,7 @@ int ha_oqgraph::close(void)
void ha_oqgraph::update_key_stats()
{
DBUG_PRINT( "oq-debug", ("update_key_stats()"));
for (uint i= 0; i < table->s->keys; i++)
{
KEY *key=table->key_info+i;
......@@ -808,8 +772,7 @@ int ha_oqgraph::delete_row(const byte * buf)
return HA_ERR_TABLE_READONLY;
}
int ha_oqgraph::index_read(byte * buf, const byte * key, uint key_len,
enum ha_rkey_function find_flag)
int ha_oqgraph::index_read(byte * buf, const byte * key, uint key_len, enum ha_rkey_function find_flag)
{
DBUG_ASSERT(inited==INDEX);
// reset before we have a cursor, so the memory is not junk, avoiding the sefgault in position() when select with order by (bug #1133093)
......@@ -819,6 +782,10 @@ int ha_oqgraph::index_read(byte * buf, const byte * key, uint key_len,
int ha_oqgraph::index_next_same(byte *buf, const byte *key, uint key_len)
{
if (graph->get_thd() != current_thd) {
DBUG_PRINT( "oq-debug", ("index_next_same g->table->in_use: 0x%lx <-- current_thd 0x%lx", (long) graph->get_thd(), (long) current_thd));
graph->set_thd(current_thd);
}
int res;
open_query::row row;
DBUG_ASSERT(inited==INDEX);
......@@ -881,6 +848,11 @@ static int parse_latch_string_to_legacy_int(const String& value, int &latch)
int ha_oqgraph::index_read_idx(byte * buf, uint index, const byte * key,
uint key_len, enum ha_rkey_function find_flag)
{
if (graph->get_thd() != current_thd) {
DBUG_PRINT( "oq-debug", ("index_read_idx g->table->in_use: 0x%lx <-- current_thd 0x%lx", (long) graph->get_thd(), (long) current_thd));
graph->set_thd(current_thd);
}
Field **field= table->field;
KEY *key_info= table->key_info + index;
int res;
......@@ -890,6 +862,8 @@ int ha_oqgraph::index_read_idx(byte * buf, uint index, const byte * key,
int* latchp=0;
open_query::row row;
DBUG_PRINT("oq-debug", ("thd: 0x%lx; index_read_idx()", (long) current_thd));
bmove_align(buf, table->s->default_values, table->s->reclength);
key_restore(buf, (byte*) key, key_info, key_len);
......@@ -915,7 +889,7 @@ int ha_oqgraph::index_read_idx(byte * buf, uint index, const byte * key,
field[0]->val_str(&latchFieldValue, &latchFieldValue);
if (!parse_latch_string_to_legacy_int(latchFieldValue, latch)) {
// Invalid, so warn & fail
push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_WRONG_ARGUMENTS, ER(ER_WRONG_ARGUMENTS), "OQGRAPH latch");
push_warning_printf(current_thd, Sql_condition::WARN_LEVEL_WARN, ER_WRONG_ARGUMENTS, ER(ER_WRONG_ARGUMENTS), "OQGRAPH latch");
table->status = STATUS_NOT_FOUND;
if (ptrdiff) /* fixes debug build assert - should be a tidier way to do this */
{
......@@ -1072,6 +1046,10 @@ int ha_oqgraph::rnd_init(bool scan)
int ha_oqgraph::rnd_next(byte *buf)
{
if (graph->get_thd() != current_thd) {
DBUG_PRINT( "oq-debug", ("rnd_next g->table->in_use: 0x%lx <-- current_thd 0x%lx", (long) graph->get_thd(), (long) current_thd));
graph->set_thd(current_thd);
}
int res;
open_query::row row = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
......@@ -1083,6 +1061,10 @@ int ha_oqgraph::rnd_next(byte *buf)
int ha_oqgraph::rnd_pos(byte * buf, byte *pos)
{
if (graph->get_thd() != current_thd) {
DBUG_PRINT( "oq-debug", ("rnd_pos g->table->in_use: 0x%lx <-- current_thd 0x%lx", (long) graph->get_thd(), (long) current_thd));
graph->set_thd(current_thd);
}
int res;
open_query::row row;
if (!(res= graph->fetch_row(row, pos)))
......@@ -1103,7 +1085,7 @@ int ha_oqgraph::cmp_ref(const byte *ref1, const byte *ref2)
int ha_oqgraph::info(uint flag)
{
RECORDS= graph->edges_count();
stats.records = graph->edges_count();
/*
If info() is called for the first time after open(), we will still
......@@ -1140,9 +1122,7 @@ int ha_oqgraph::external_lock(THD *thd, int lock_type)
}
THR_LOCK_DATA **ha_oqgraph::store_lock(THD *thd,
THR_LOCK_DATA **to,
enum thr_lock_type lock_type)
THR_LOCK_DATA **ha_oqgraph::store_lock(THD *thd, THR_LOCK_DATA **to, enum thr_lock_type lock_type)
{
return edges->file->store_lock(thd, to, lock_type);
}
......@@ -1154,11 +1134,13 @@ THR_LOCK_DATA **ha_oqgraph::store_lock(THD *thd,
int ha_oqgraph::delete_table(const char *)
{
DBUG_PRINT( "oq-debug", ("delete_table()"));
return 0;
}
int ha_oqgraph::rename_table(const char *, const char *)
{
DBUG_PRINT( "oq-debug", ("rename_table()"));
return 0;
}
......@@ -1166,13 +1148,18 @@ int ha_oqgraph::rename_table(const char *, const char *)
ha_rows ha_oqgraph::records_in_range(uint inx, key_range *min_key,
key_range *max_key)
{
if (graph->get_thd() != current_thd) {
DBUG_PRINT( "oq-debug", ("g->table->in_use: 0x%lx <-- current_thd 0x%lx", (long) graph->get_thd(), (long) current_thd));
graph->set_thd(current_thd);
}
KEY *key=table->key_info+inx;
#ifdef VERBOSE_DEBUG
{
String temp;
key->key_part[0].field->val_str(&temp);
temp.c_ptr_safe();
DBUG_PRINT( "oq-debug", ("records_in_range ::>> inx=%u", inx));
DBUG_PRINT( "oq-debug", ("thd: 0x%lx; records_in_range ::>> inx=%u", (long) current_thd, inx));
DBUG_PRINT( "oq-debug", ("records_in_range ::>> key0=%s.", temp.c_ptr())); // for some reason when I had ...inx=%u key=%s", inx, temp.c_ptr_safe()) it printed nothing ...
}
#endif
......@@ -1270,12 +1257,8 @@ ha_rows ha_oqgraph::records_in_range(uint inx, key_range *min_key,
}
int ha_oqgraph::create(const char *name, TABLE *table_arg,
HA_CREATE_INFO *create_info)
int ha_oqgraph::create(const char *name, TABLE *table_arg, HA_CREATE_INFO *create_info)
{
oqgraph_table_option_struct *options=
reinterpret_cast<oqgraph_table_option_struct*>(table_arg->s->option_struct);
DBUG_ENTER("ha_oqgraph::create");
DBUG_PRINT( "oq-debug", ("create(name=%s)", name));
......@@ -1283,7 +1266,6 @@ int ha_oqgraph::create(const char *name, TABLE *table_arg,
DBUG_RETURN(HA_WRONG_CREATE_OPTION);
}
(void)(options);
DBUG_RETURN(0);
}
......@@ -1293,25 +1275,55 @@ void ha_oqgraph::update_create_info(HA_CREATE_INFO *create_info)
table->file->info(HA_STATUS_AUTO);
}
// --------------------
// Handler description.
// --------------------
static const char oqgraph_description[]=
"Open Query Graph Computation Engine "
"(http://openquery.com/graph)";
struct st_mysql_storage_engine oqgraph_storage_engine=
{ MYSQL_HANDLERTON_INTERFACE_VERSION };
extern "C" const char* const oqgraph_boost_version;
extern "C" const char* const oqgraph_judy_version;
static const char *oqgraph_status_verbose_debug =
#ifdef VERBOSE_DEBUG
"Verbose Debug is enabled. Performance may be adversely impacted.";
#else
"Verbose Debug is not enabled.";
#endif
static const char *oqgraph_status_latch_compat_mode =
#ifdef RETAIN_INT_LATCH_COMPATIBILITY
"Legacy tables with integer latches are supported.";
#else
"Legacy tables with integer latches are not supported.";
#endif
static struct st_mysql_show_var oqgraph_status[]=
{
{ "OQGraph_Boost_Version", (char*) &oqgraph_boost_version, SHOW_CHAR_PTR },
/*{ "OQGraph_Judy_Version", (char*) &oqgraph_judy_version, SHOW_CHAR_PTR },*/
/* We thought about reporting the Judy version, but there seems to be no way to get that from code in the first place. */
{ "OQGraph_Verbose_Debug", (char*) &oqgraph_status_verbose_debug, SHOW_CHAR_PTR },
{ "OQGraph_Compat_mode", (char*) &oqgraph_status_latch_compat_mode, SHOW_CHAR_PTR },
{ 0, 0, SHOW_UNDEF }
};
#ifdef RETAIN_INT_LATCH_COMPATIBILITY
static MYSQL_SYSVAR_BOOL( allow_create_integer_latch, g_allow_create_integer_latch, PLUGIN_VAR_RQCMDARG,
"Allow creation of integer latches so the upgrade logic can be tested. Not for normal use.",
NULL, NULL, FALSE);
#endif
static struct st_mysql_sys_var* oqgraph_sysvars[]= {
#ifdef RETAIN_INT_LATCH_COMPATIBILITY
MYSQL_SYSVAR(allow_create_integer_latch),
#endif
0
};
#endif
maria_declare_plugin(oqgraph)
{
......@@ -1321,15 +1333,11 @@ maria_declare_plugin(oqgraph)
"Arjen Lentz & Antony T Curtis, Open Query, and Andrew McDonnell",
oqgraph_description,
PLUGIN_LICENSE_GPL,
(int (*)(void*)) oqgraph_init, /* Plugin Init */
oqgraph_init, /* Plugin Init */
oqgraph_fini, /* Plugin Deinit */
0x0300, /* Version: 3s.0 */
oqgraph_status, /* status variables */
#ifdef RETAIN_INT_LATCH_COMPATIBILITY
oqgraph_sysvars, /* system variables */
#else
NULL,
#endif
"3.0",
MariaDB_PLUGIN_MATURITY_BETA
}
......
storage/oqgraph/ha_oqgraph.h
View file @ a2297506
......@@ -78,6 +78,9 @@ public:
double read_time(uint index, uint ranges, ha_rows rows)
{ return 1; }
// Doesn't make sense to change the engine on a virtual table.
virtual bool can_switch_engines() { return false; }
int open(const char *name, int mode, uint test_if_locked);
int close(void);
int write_row(byte * buf);
......@@ -130,8 +133,10 @@ public:
}
private:
int oqgraph_check_table_structure (TABLE *table_arg);
// Various helper functions
int oqgraph_check_table_structure (TABLE *table_arg);
bool validate_oqgraph_table_options();
void update_key_stats();
String error_message;
};
storage/oqgraph/mysql-test/oqgraph/create_attr.result
View file @ a2297506
......@@ -19,29 +19,29 @@ PRIMARY KEY (id),
KEY name (info)
) DEFAULT CHARSET=latin1;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH;
# Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
# Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, ORIGID='id', DESTID='id2';
# Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
# Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='', ORIGID='id', DESTID='id2';
# Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
# Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='', ORIGID='id';
# Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
# Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='', DESTID='id2';
# Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
# Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='bogus', ORIGID='id', DESTID='id2';
# Expect: 'Table 'test.bogus' doesn't exist''
......@@ -49,19 +49,19 @@ DESCRIBE oqtable;
ERROR 42S02: Table 'test.bogus' doesn't exist
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='not_backing';
# Expect 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)'
# Expect 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing', DESTID='id2';
# Expect 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)'
# Expect 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='', DESTID='id2';
# Expect 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)'
# Expect 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='bogus', DESTID='id2';
# Expect Invalid OQGRAPH backing store ('/oqtable'.origid attribute not set to a valid column of 'backing')'
......@@ -74,14 +74,14 @@ DESCRIBE oqtable;
ERROR HY000: Got error -1 'Column 'backing.not_id_type' (origid) is not a not-null integer type' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id';
# Expect 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)'
# Expect 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id',DESTID='';
# Expect 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)'
# Expect 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)'
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id',DESTID='bogus';
# Expect Invalid OQGRAPH backing store ('/oqtable'.destid attribute not set to a valid column of 'backing')'
......
storage/oqgraph/mysql-test/oqgraph/create_attr.test
View file @ a2297506
......@@ -27,7 +27,7 @@ CREATE TABLE backing (
# oqgraph v2 create table should fail (missing attributes)
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH;
--echo # Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
--echo # Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -37,7 +37,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, ORIGID='id', DESTID='id2';
--echo # Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
--echo # Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -46,7 +46,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='', ORIGID='id', DESTID='id2';
--echo # Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
--echo # Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -55,7 +55,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='', ORIGID='id';
--echo # Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
--echo # Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -65,7 +65,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='', DESTID='id2';
--echo # Expect: 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)'
--echo # Expect: 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -85,7 +85,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='not_backing';
--echo # Expect 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)'
--echo # Expect 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -94,7 +94,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing', DESTID='id2';
--echo # Expect 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)'
--echo # Expect 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -103,7 +103,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='', DESTID='id2';
--echo # Expect 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)'
--echo # Expect 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -130,7 +130,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id';
--echo # Expect 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)'
--echo # Expect 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)'
--error 1296
DESCRIBE oqtable;
......@@ -139,7 +139,7 @@ DESCRIBE oqtable;
DROP TABLE IF EXISTS oqtable;
--enable_warnings
CREATE TABLE oqtable ( latch varchar(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id',DESTID='';
--echo # Expect 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)'
--echo # Expect 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)'
--error 1296
DESCRIBE oqtable;
......
storage/oqgraph/mysql-test/oqgraph/create_attr_legacy.result
View file @ a2297506
......@@ -23,61 +23,61 @@ CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty data_table attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty data_table attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='bogus';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='Ω Ohms Tennis Ball 〄';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='not_backing', ORIGID='id';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty origid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty origid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='bogus';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='not_id_type';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id',DESTID='';
Warnings:
Warning 1287 'latch SMALLINT UNSIGNED NULL' is deprecated and will be removed in a future release. Please use 'latch VARCHAR(32) NULL' instead
DESCRIBE oqtable;
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store (unspecified or empty destid attribute)' from OQGRAPH
ERROR HY000: Got error -1 'Invalid OQGRAPH backing store description (unspecified or empty destid attribute)' from OQGRAPH
DROP TABLE IF EXISTS oqtable;
CREATE TABLE oqtable ( latch SMALLINT UNSIGNED NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH ) ENGINE=OQGRAPH, DATA_TABLE='backing',ORIGID='id',DESTID='bogus';
Warnings:
......
storage/oqgraph/mysql-test/oqgraph/regression_mdev6282.result 0 → 100644
View file @ a2297506
CREATE TABLE `db_history` (
`version` VARCHAR(10) NOT NULL,
`updateJSON` MEDIUMTEXT,
`prevVersion` VARCHAR(10) NOT NULL,
`nodeID` BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
`prevNodeID` BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
PRIMARY KEY (`prevNodeID`,`nodeID`),
KEY `version` (`version`) USING BTREE,
KEY `prevVersion` (`prevVersion`) USING BTREE,
KEY `nodeID` (`nodeID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
INSERT INTO `db_history` VALUES
('0.0.1','{}','0.0.0',1,0),
('0.0.2','{\"data\":{\"add\":{},\"update\":{},\"delete\":{}}}','0.0.1',2,1),
('0.0.3','{\"data\":{\"add\":{},\"update\":{},\"delete\":{}}}','0.0.2',3,2);
CREATE TABLE IF NOT EXISTS version_history (
latch VARCHAR(32) NULL,
origid BIGINT UNSIGNED NULL,
destid BIGINT UNSIGNED NULL,
weight DOUBLE NULL,
seq BIGINT UNSIGNED NULL,
linkid BIGINT UNSIGNED NULL,
KEY (latch, origid, destid) USING HASH,
KEY (latch, destid, origid) USING HASH
) ENGINE=OQGRAPH DATA_TABLE='db_history' ORIGID='prevNodeID' DESTID='nodeID';
SELECT `db`.`version`, `db`.`nodeID`
FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid`
WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1;
version nodeID
0.0.3 3
SELECT `db`.`version`, `db`.`nodeID`
FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid`
WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1;
version nodeID
0.0.3 3
DROP TABLE db_history;
DROP TABLE version_history;
storage/oqgraph/mysql-test/oqgraph/regression_mdev6282.test 0 → 100644
View file @ a2297506
--connect (con1,localhost,root,,test)
CREATE TABLE `db_history` (
`version` VARCHAR(10) NOT NULL,
`updateJSON` MEDIUMTEXT,
`prevVersion` VARCHAR(10) NOT NULL,
`nodeID` BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
`prevNodeID` BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
PRIMARY KEY (`prevNodeID`,`nodeID`),
KEY `version` (`version`) USING BTREE,
KEY `prevVersion` (`prevVersion`) USING BTREE,
KEY `nodeID` (`nodeID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
INSERT INTO `db_history` VALUES
('0.0.1','{}','0.0.0',1,0),
('0.0.2','{\"data\":{\"add\":{},\"update\":{},\"delete\":{}}}','0.0.1',2,1),
('0.0.3','{\"data\":{\"add\":{},\"update\":{},\"delete\":{}}}','0.0.2',3,2);
CREATE TABLE IF NOT EXISTS version_history (
latch VARCHAR(32) NULL,
origid BIGINT UNSIGNED NULL,
destid BIGINT UNSIGNED NULL,
weight DOUBLE NULL,
seq BIGINT UNSIGNED NULL,
linkid BIGINT UNSIGNED NULL,
KEY (latch, origid, destid) USING HASH,
KEY (latch, destid, origid) USING HASH
) ENGINE=OQGRAPH DATA_TABLE='db_history' ORIGID='prevNodeID' DESTID='nodeID';
SELECT `db`.`version`, `db`.`nodeID`
FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid`
WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1;
--disconnect con1
--connect (con2,localhost,root,,test)
SELECT `db`.`version`, `db`.`nodeID`
FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid`
WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1;
--disconnect con2
--connect (con3,localhost,root,,test)
DROP TABLE db_history;
DROP TABLE version_history;
--disconnect con3
storage/oqgraph/mysql-test/oqgraph/regression_mdev6345.result 0 → 100644
View file @ a2297506
DROP TABLE IF EXISTS oq_backing;
DROP TABLE IF EXISTS oq_graph;
CREATE TABLE oq_backing (origid INT UNSIGNED NOT NULL, destid INT UNSIGNED NOT NULL, PRIMARY KEY (origid, destid), KEY (destid));
INSERT INTO oq_backing(origid, destid) VALUES (1,2), (2,3), (3,4), (4,5), (2,6), (5,6);
CREATE TABLE oq_graph (latch VARCHAR(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH) ENGINE=OQGRAPH data_table='oq_backing' origid='origid' destid='destid';
SELECT * FROM oq_graph WHERE latch='breadth_first' AND origid=1 AND destid=6;
latch origid destid weight seq linkid
breadth_first 1 6 NULL 0 1
breadth_first 1 6 1 1 2
breadth_first 1 6 1 2 6
DROP TABLE IF EXISTS oq_backing;
DROP TABLE IF EXISTS oq_graph;
storage/oqgraph/mysql-test/oqgraph/regression_mdev6345.test 0 → 100644
View file @ a2297506
#-- This test is probably not right, because the real bug manifested over a network connection on a busy server.
--disable_warnings
DROP TABLE IF EXISTS oq_backing;
DROP TABLE IF EXISTS oq_graph;
--enable_warnings
CREATE TABLE oq_backing (origid INT UNSIGNED NOT NULL, destid INT UNSIGNED NOT NULL, PRIMARY KEY (origid, destid), KEY (destid));
INSERT INTO oq_backing(origid, destid) VALUES (1,2), (2,3), (3,4), (4,5), (2,6), (5,6);
CREATE TABLE oq_graph (latch VARCHAR(32) NULL, origid BIGINT UNSIGNED NULL, destid BIGINT UNSIGNED NULL, weight DOUBLE NULL, seq BIGINT UNSIGNED NULL, linkid BIGINT UNSIGNED NULL, KEY (latch, origid, destid) USING HASH, KEY (latch, destid, origid) USING HASH) ENGINE=OQGRAPH data_table='oq_backing' origid='origid' destid='destid';
SELECT * FROM oq_graph WHERE latch='breadth_first' AND origid=1 AND destid=6;
DROP TABLE IF EXISTS oq_backing;
DROP TABLE IF EXISTS oq_graph;
storage/oqgraph/oqgraph_judy.cc
View file @ a2297506
......@@ -25,12 +25,6 @@
#include "oqgraph_judy.h"
#include <Judy.h>
#ifndef JUDY_LIB_VERSION
#define JUDY_LIB_VERSION "(unknown)"
#endif
extern "C" const char* const oqgraph_judy_version= JUDY_LIB_VERSION;
void open_query::judy_bitset::clear()
{
int rc;
......
storage/oqgraph/oqgraph_thunk.cc
View file @ a2297506
......@@ -547,6 +547,9 @@ bool oqgraph3::cursor::operator!=(const cursor& x) const
return record_position() != x._position;
}
::THD* oqgraph3::graph::get_table_thd() { return _table->in_use; }
void oqgraph3::graph::set_table_thd(::THD* thd) { _table->in_use = thd; }
oqgraph3::graph::graph(
::TABLE* table,
::Field* source,
......
storage/oqgraph/oqgraph_thunk.h
View file @ a2297506
......@@ -146,6 +146,9 @@ namespace oqgraph3
::Field* _target;
::Field* _weight;
::THD* get_table_thd();
void set_table_thd(::THD* thd);
graph(
::TABLE* table,
::Field* source,
......
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