wl#3023 ndb to return correct tables for initial table maps

+ removed extra binlog events generated by drop table schema ops to produce predictable test cases


storage/ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
  ndb: dict use define for number of pages in table definition

mysql-test/r/ndb_binlog_basic.result

@@ -29,12 +29,6 @@ select inserts,updates,deletes from
 cluster.binlog_index where epoch > @max_epoch and updates > 0;
 inserts	updates	deletes
 2	1	1
-select schemaops from 
-cluster.binlog_index where epoch > @max_epoch and schemaops > 0;
-schemaops
-1
-1
-1
 flush logs;
 purge master logs before now();
 select count(*) from cluster.binlog_index;
@@ -55,8 +49,3 @@ select inserts,updates,deletes from
 cluster.binlog_index where epoch > @max_epoch and inserts > 0;
 inserts	updates	deletes
 2	0	0
-select schemaops from
-cluster.binlog_index where epoch > @max_epoch and schemaops > 0;
-schemaops
-1
-1

mysql-test/r/ndb_binlog_ddl_multi.result

@@ -23,10 +23,6 @@ reset master;
 alter table t2 add column (b int);
 show binlog events from <binlog_start>;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
-master-bin1.000001	#	Query	#	#	BEGIN
-master-bin1.000001	#	Table_map	#	#	cluster.apply_status
-master-bin1.000001	#	Write_rows	#	#	
-master-bin1.000001	#	Query	#	#	COMMIT
 master-bin1.000001	#	Query	#	#	use `test`; alter table t2 add column (b int)
 reset master;
 reset master;
@@ -35,10 +31,6 @@ drop table mysqltest.t1;
 show binlog events from <binlog_start>;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
 master-bin.000001	#	Query	#	#	ALTER DATABASE mysqltest CHARACTER SET latin1
-master-bin.000001	#	Query	#	#	BEGIN
-master-bin.000001	#	Table_map	#	#	cluster.apply_status
-master-bin.000001	#	Write_rows	#	#	
-master-bin.000001	#	Query	#	#	COMMIT
 master-bin.000001	#	Query	#	#	use `mysqltest`; drop table `t1`
 reset master;
 reset master;
@@ -118,10 +110,6 @@ master-bin1.000001	#	Query	#	#	DROP TABLESPACE ts1
 ENGINE = NDB
 master-bin1.000001	#	Query	#	#	DROP LOGFILE GROUP lg1 
 ENGINE =NDB
-master-bin1.000001	#	Query	#	#	BEGIN
-master-bin1.000001	#	Table_map	#	#	cluster.apply_status
-master-bin1.000001	#	Write_rows	#	#	
-master-bin1.000001	#	Query	#	#	COMMIT
 master-bin1.000001	#	Query	#	#	use `test`; drop table `t1`
 reset master;
 show tables;
@@ -138,25 +126,9 @@ Log_name	Pos	Event_type	Server_id	End_log_pos	Info
 master-bin1.000001	#	Query	#	#	use `test`; create table t1 (a int key) engine=ndb
 master-bin1.000001	#	Query	#	#	use `test`; create table t2 (a int key) engine=ndb
 master-bin1.000001	#	Query	#	#	use `test`; create table t3 (a int key) engine=ndb
-master-bin1.000001	#	Query	#	#	BEGIN
-master-bin1.000001	#	Table_map	#	#	cluster.apply_status
-master-bin1.000001	#	Write_rows	#	#	
-master-bin1.000001	#	Query	#	#	COMMIT
 master-bin1.000001	#	Query	#	#	use `test`; rename table `test.t3` to `test.t4`
-master-bin1.000001	#	Query	#	#	BEGIN
-master-bin1.000001	#	Table_map	#	#	cluster.apply_status
-master-bin1.000001	#	Write_rows	#	#	
-master-bin1.000001	#	Query	#	#	COMMIT
 master-bin1.000001	#	Query	#	#	use `test`; rename table `test.t2` to `test.t3`
-master-bin1.000001	#	Query	#	#	BEGIN
-master-bin1.000001	#	Table_map	#	#	cluster.apply_status
-master-bin1.000001	#	Write_rows	#	#	
-master-bin1.000001	#	Query	#	#	COMMIT
 master-bin1.000001	#	Query	#	#	use `test`; rename table `test.t1` to `test.t2`
-master-bin1.000001	#	Query	#	#	BEGIN
-master-bin1.000001	#	Table_map	#	#	cluster.apply_status
-master-bin1.000001	#	Write_rows	#	#	
-master-bin1.000001	#	Query	#	#	COMMIT
 master-bin1.000001	#	Query	#	#	use `test`; rename table `test.t4` to `test.t1`
 drop table t1;
 drop table t2;
@@ -171,6 +143,7 @@ create table t1 (a int key) engine=ndb;
 insert into t1 values(1);
 rename table t1 to t2;
 insert into t2 values(2);
+drop table t2;
 show binlog events from <binlog_start>;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
 master-bin1.000001	#	Query	#	#	use `test`; create table t1 (a int key) engine=ndb
@@ -187,4 +160,4 @@ master-bin1.000001	#	Write_rows	#	#
 master-bin1.000001	#	Table_map	#	#	test.t2
 master-bin1.000001	#	Write_rows	#	#	
 master-bin1.000001	#	Query	#	#	COMMIT
-drop table t2;
+master-bin1.000001	#	Query	#	#	use `test`; drop table `t2`

mysql-test/r/ndb_binlog_multi.result

@@ -33,11 +33,9 @@ cluster.binlog_index ORDER BY epoch DESC LIMIT 1;
 SELECT inserts,updates,deletes,schemaops FROM
 cluster.binlog_index WHERE epoch > <the_epoch> AND epoch < <the_epoch2>;
 inserts	updates	deletes	schemaops
-0	0	0	1
 drop table t1;
 SHOW TABLES;
 Tables_in_test
 SELECT inserts,updates,deletes,schemaops FROM
 cluster.binlog_index WHERE epoch > <the_epoch> AND epoch < <the_epoch2>;
 inserts	updates	deletes	schemaops
-0	0	0	1

mysql-test/r/rpl_ndb_log.result

@@ -83,12 +83,12 @@ master-bin.000002	#	Write_rows	1	#
 master-bin.000002	#	Query	1	#	COMMIT
 show binary logs;
 Log_name	File_size
-master-bin.000001	1722
-master-bin.000002	603
+master-bin.000001	1698
+master-bin.000002	591
 start slave;
 show binary logs;
 Log_name	File_size
-slave-bin.000001	1817
+slave-bin.000001	1793
 slave-bin.000002	198
 show binlog events in 'slave-bin.000001' from 4;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
@@ -102,13 +102,13 @@ slave-bin.000001	#	Write_rows	2	#
 slave-bin.000001	#	Query	2	#	COMMIT
 slave-bin.000001	#	Query	1	#	use `test`; drop table t1
 slave-bin.000001	#	Query	1	#	use `test`; create table t1 (word char(20) not null)ENGINE=NDB
-slave-bin.000001	#	Query	1	#	use `test`; create table t3 (a int)ENGINE=NDB
 slave-bin.000001	#	Query	2	#	BEGIN
 slave-bin.000001	#	Table_map	2	#	cluster.apply_status
 slave-bin.000001	#	Write_rows	2	#	
 slave-bin.000001	#	Table_map	2	#	test.t1
 slave-bin.000001	#	Write_rows	2	#	
 slave-bin.000001	#	Query	2	#	COMMIT
+slave-bin.000001	#	Query	1	#	use `test`; create table t3 (a int)ENGINE=NDB
 slave-bin.000001	#	Rotate	2	#	slave-bin.000002;pos=4
 show binlog events in 'slave-bin.000002' from 4;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
@@ -122,7 +122,7 @@ slave-bin.000002	#	Write_rows	2	#
 slave-bin.000002	#	Query	2	#	COMMIT
 show slave status;
 Slave_IO_State	Master_Host	Master_User	Master_Port	Connect_Retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_Do_DB	Replicate_Ignore_DB	Replicate_Do_Table	Replicate_Ignore_Table	Replicate_Wild_Do_Table	Replicate_Wild_Ignore_Table	Last_Errno	Last_Error	Skip_Counter	Exec_Master_Log_Pos	Relay_Log_Space	Until_Condition	Until_Log_File	Until_Log_Pos	Master_SSL_Allowed	Master_SSL_CA_File	Master_SSL_CA_Path	Master_SSL_Cert	Master_SSL_Cipher	Master_SSL_Key	Seconds_Behind_Master
-#	127.0.0.1	root	MASTER_PORT	1	master-bin.000002	603	#	#	master-bin.000002	Yes	Yes				#			0		0	603	#	None		0	No						#
+#	127.0.0.1	root	MASTER_PORT	1	master-bin.000002	591	#	#	master-bin.000002	Yes	Yes				#			0		0	591	#	None		0	No						#
 show binlog events in 'slave-bin.000005' from 4;
 ERROR HY000: Error when executing command SHOW BINLOG EVENTS: Could not find target log
 DROP TABLE t1;

mysql-test/t/disabled.def

@@ -15,8 +15,8 @@ events                  : test case unstable. andrey will fix
 #ndb_alter_table_row    : sometimes wrong error 1015!=1046
 ndb_autodiscover        : Needs to be fixed w.r.t binlog
 ndb_autodiscover2       : Needs to be fixed w.r.t binlog
-ndb_binlog_basic        : Results are not deterministic, Tomas will fix
-ndb_binlog_ddl_multi    : Bug#17038 [PATCH PENDING]
+#ndb_binlog_basic        : Results are not deterministic, Tomas will fix
+#ndb_binlog_ddl_multi    : Bug#17038 [PATCH PENDING]
 ndb_load                : Bug#17233
 partition_03ndb         : Bug#16385
 ps_7ndb                 : dbug assert in RBR mode when executing test suite
@@ -31,7 +31,7 @@ rpl_ndb_delete_nowhere  : Bug#17400: delete & update of rows in table without pk
 rpl_ndb_innodb2ndb      : Bugs#17400: delete & update of rows in table without pk fails
 rpl_ndb_insert_ignore   : Bugs: #17431: INSERT IGNORE INTO returns failed: 1296
 rpl_ndb_myisam2ndb      : Bugs#17400: delete & update of rows in table without pk fails
-rpl_ndb_log             : result not deterministic
+#rpl_ndb_log             : result not deterministic
 rpl_ndb_relay_space     : Bug#16993
 rpl_ndb_multi_update2   : BUG#17738 In progress
 rpl_ndb_multi_update3   : Bug#17400: delete & update of rows in table without pk fails

mysql-test/t/ndb_binlog_basic.test

@@ -42,8 +42,6 @@ select inserts from cluster.binlog_index where epoch > @max_epoch and inserts >
 select deletes from cluster.binlog_index where epoch > @max_epoch and deletes > 5;
 select inserts,updates,deletes from 
   cluster.binlog_index where epoch > @max_epoch and updates > 0;
-select schemaops from 
-  cluster.binlog_index where epoch > @max_epoch and schemaops > 0;
 
 #
 # check that purge clears the binlog_index
@@ -72,5 +70,3 @@ drop table t1;
 drop database mysqltest;
 select inserts,updates,deletes from 
   cluster.binlog_index where epoch > @max_epoch and inserts > 0;
-select schemaops from
-  cluster.binlog_index where epoch > @max_epoch and schemaops > 0;

mysql-test/t/ndb_binlog_ddl_multi.test

@@ -174,10 +174,9 @@ create table t1 (a int key) engine=ndb;
 insert into t1 values(1);
 rename table t1 to t2;
 insert into t2 values(2);
+drop table t2;
 
 # now we should see data in table t1 _and_ t2
 # prior to bug fix, data was missing for t2
 --connection server2
 --source include/show_binlog_events.inc
-
-drop table t2;

mysql-test/t/ndb_binlog_multi.test

@@ -43,6 +43,7 @@ SELECT * FROM t2 ORDER BY a;
 eval SELECT inserts,updates,deletes,schemaops FROM 
   cluster.binlog_index WHERE epoch=$the_epoch;
 
+# single schema ops will not show
 # drop the table on server1
 DROP TABLE t2;
 CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE = NDB;

sql/ha_ndbcluster_binlog.cc

@@ -2651,7 +2651,8 @@ ndb_binlog_thread_handle_data_event(Ndb *ndb, NdbEventOperation *pOp,
     return 0;
   TABLE *table= share->table;
 
-  assert(table != 0);
+  DBUG_ASSERT(trans.good());
+  DBUG_ASSERT(table != 0);
 
   dbug_print_table("table", table);
 
@@ -3051,66 +3052,100 @@ pthread_handler_t ndb_binlog_thread_func(void *arg)
       Binlog_index_row row;
       while (pOp != NULL)
       {
+        gci= pOp->getGCI();
+        DBUG_PRINT("info", ("Handling gci: %d", (unsigned)gci));
         // sometimes get TE_ALTER with invalid table
         DBUG_ASSERT(pOp->getEventType() == NdbDictionary::Event::TE_ALTER ||
                     ! IS_NDB_BLOB_PREFIX(pOp->getEvent()->getTable()->getName()));
+        DBUG_ASSERT(gci <= ndb_latest_received_binlog_epoch);
+
         ndb->
           setReportThreshEventGCISlip(ndb_report_thresh_binlog_epoch_slip);
         ndb->setReportThreshEventFreeMem(ndb_report_thresh_binlog_mem_usage);
 
-        assert(pOp->getGCI() <= ndb_latest_received_binlog_epoch);
         bzero((char*) &row, sizeof(row));
-        injector::transaction trans= inj->new_trans(thd);
-        { // pass table map before epoch
-          Uint32 iter=0;
-          const NdbEventOperation* gci_op;
+        injector::transaction trans;
+        // pass table map before epoch
+        {
+          Uint32 iter= 0;
+          const NdbEventOperation *gci_op;
           Uint32 event_types;
-          while ((gci_op=ndb->getGCIEventOperations(&iter, &event_types))
-              != NULL)
+          while ((gci_op= ndb->getGCIEventOperations(&iter, &event_types))
+                 != NULL)
           {
-            NDB_SHARE* share=(NDB_SHARE*)gci_op->getCustomData();
-            DBUG_PRINT("info", ("per gci op %p share %p event types 0x%x",
+            NDB_SHARE *share= (NDB_SHARE*)gci_op->getCustomData();
+            DBUG_PRINT("info", ("per gci_op: %p  share: %p  event_types: 0x%x",
                                 gci_op, share, event_types));
+            // workaround for interface returning TE_STOP events
+            // which are normally filtered out below in the nextEvent loop
+            if ((event_types & ~NdbDictionary::Event::TE_STOP) == 0)
+            {
+              DBUG_PRINT("info", ("Skipped TE_STOP on table %s",
+                                  gci_op->getEvent()->getTable()->getName()));
+              continue;
+            }
             // this should not happen
             if (share == NULL || share->table == NULL)
             {
-              DBUG_PRINT("info", ("no share or table !"));
+              DBUG_PRINT("info", ("no share or table %s!",
+                                  gci_op->getEvent()->getTable()->getName()));
               continue;
             }
-            TABLE* table=share->table;
-            const LEX_STRING& name=table->s->table_name;
+            if (share == apply_status_share)
+            {
+              // skip this table, it is handled specially
+              continue;
+            }
+            TABLE *table= share->table;
+            const LEX_STRING &name= table->s->table_name;
+            if ((event_types & (NdbDictionary::Event::TE_INSERT |
+                                NdbDictionary::Event::TE_UPDATE |
+                                NdbDictionary::Event::TE_DELETE)) == 0)
+            {
+              DBUG_PRINT("info", ("skipping non data event table: %.*s",
+                                  name.length, name.str));
+              continue;
+            }
+            if (!trans.good())
+            {
+              DBUG_PRINT("info",
+                         ("Found new data event, initializing transaction"));
+              inj->new_trans(thd, &trans);
+            }
             DBUG_PRINT("info", ("use_table: %.*s", name.length, name.str));
             injector::transaction::table tbl(table, true);
             // TODO enable when mats patch pushed
             //trans.use_table(::server_id, tbl);
           }
         }
-        gci= pOp->getGCI();
-        if (apply_status_share)
-        {
-          TABLE *table= apply_status_share->table;
-
-          const LEX_STRING& name=table->s->table_name;
-          DBUG_PRINT("info", ("use_table: %.*s", name.length, name.str));
-          injector::transaction::table tbl(table, true);
-          // TODO enable when mats patch pushed
-          //trans.use_table(::server_id, tbl);
-
-          MY_BITMAP b;
-          uint32 bitbuf;
-          DBUG_ASSERT(table->s->fields <= sizeof(bitbuf) * 8);
-          bitmap_init(&b, &bitbuf, table->s->fields, false);
-          bitmap_set_all(&b);
-          table->field[0]->store((longlong)::server_id);
-          table->field[1]->store((longlong)gci);
-          trans.write_row(::server_id,
-                          injector::transaction::table(table, true),
-                          &b, table->s->fields,
-                          table->record[0]);
-        }
-        else
+        if (trans.good())
         {
-          sql_print_error("NDB: Could not get apply status share");
+          if (apply_status_share)
+          {
+            TABLE *table= apply_status_share->table;
+
+            const LEX_STRING& name=table->s->table_name;
+            DBUG_PRINT("info", ("use_table: %.*s", name.length, name.str));
+            injector::transaction::table tbl(table, true);
+            // TODO enable when mats patch pushed
+            //trans.use_table(::server_id, tbl);
+
+            MY_BITMAP b;
+            uint32 bitbuf;
+            DBUG_ASSERT(table->s->fields <= sizeof(bitbuf) * 8);
+            bitmap_init(&b, &bitbuf, table->s->fields, false);
+            bitmap_set_all(&b);
+            table->field[0]->store((longlong)::server_id);
+            table->field[1]->store((longlong)gci);
+            trans.write_row(::server_id,
+                            injector::transaction::table(table, true),
+                            &b, table->s->fields,
+                            table->record[0]);
+          }
+          else
+          {
+            sql_print_error("NDB: Could not get apply status share");
+          }
         }
 #ifdef RUN_NDB_BINLOG_TIMER
         write_timer.start();
@@ -3128,11 +3163,28 @@ pthread_handler_t ndb_binlog_thread_func(void *arg)
           {
             NDB_SHARE *share= (NDB_SHARE*) pOp->getCustomData();
             DBUG_PRINT("info",
-                       ("EVENT TYPE:%d  GCI:%lld  last applied: %lld  "
-                        "share: 0x%lx", pOp->getEventType(), gci,
-                        ndb_latest_applied_binlog_epoch, share));
+                       ("EVENT TYPE: %d  GCI: %lld  last applied: %lld  "
+                        "share: 0x%lx (%s.%s)", pOp->getEventType(), gci,
+                        ndb_latest_applied_binlog_epoch, share,
+                        share ? share->db :  "share == NULL",
+                        share ? share->table_name : ""));
             DBUG_ASSERT(share != 0);
           }
+          // assert that there is consistancy between gci op list
+          // and event list
+          {
+            Uint32 iter= 0;
+            const NdbEventOperation *gci_op;
+            Uint32 event_types;
+            while ((gci_op= ndb->getGCIEventOperations(&iter, &event_types))
+                   != NULL)
+            {
+              if (gci_op == pOp)
+                break;
+            }
+            DBUG_ASSERT(gci_op == pOp);
+            DBUG_ASSERT((event_types & pOp->getEventType()) != 0);
+          }
 #endif
           if ((unsigned) pOp->getEventType() <
               (unsigned) NDBEVENT::TE_FIRST_NON_DATA_EVENT)
@@ -3140,8 +3192,9 @@ pthread_handler_t ndb_binlog_thread_func(void *arg)
           else
           {
             // set injector_ndb database/schema from table internal name
-            int ret= ndb->setDatabaseAndSchemaName(pOp->getEvent()->getTable());
-            assert(ret == 0);
+            int ret=
+              ndb->setDatabaseAndSchemaName(pOp->getEvent()->getTable());
+            DBUG_ASSERT(ret == 0);
             ndb_binlog_thread_handle_non_data_event(ndb, pOp, row);
             // reset to catch errors
             ndb->setDatabaseName("");
@@ -3158,13 +3211,13 @@ pthread_handler_t ndb_binlog_thread_func(void *arg)
         write_timer.stop();
 #endif
 
-        if (row.n_inserts || row.n_updates
-            || row.n_deletes || row.n_schemaops)
+        if (trans.good())
         {
+          DBUG_ASSERT(row.n_inserts || row.n_updates || row.n_deletes);
           injector::transaction::binlog_pos start= trans.start_pos();
           if (int r= trans.commit())
           {
-            sql_print_error("NDB binlog:"
+            sql_print_error("NDB binlog: "
                             "Error during COMMIT of GCI. Error: %d",
                             r);
             /* TODO: Further handling? */
@@ -3173,13 +3226,11 @@ pthread_handler_t ndb_binlog_thread_func(void *arg)
           row.master_log_file= start.file_name();
           row.master_log_pos= start.file_pos();
 
-          DBUG_PRINT("info",("COMMIT gci %lld",gci));
+          DBUG_PRINT("info", ("COMMIT gci: %lld", gci));
           if (ndb_update_binlog_index)
             ndb_add_binlog_index(thd, &row);
           ndb_latest_applied_binlog_epoch= gci;
         }
-        else
-          trans.commit();
         ndb_latest_handled_binlog_epoch= gci;
 #ifdef RUN_NDB_BINLOG_TIMER
         gci_timer.stop();

sql/rpl_injector.cc

@@ -43,6 +43,9 @@ injector::transaction::transaction(MYSQL_LOG *log, THD *thd)
 
 injector::transaction::~transaction()
 {
+  if (!good())
+    return;
+
   /* Needed since my_free expects a 'char*' (instead of 'void*'). */
   char* const the_memory= const_cast<char*>(m_start_pos.m_file_name);
 

storage/ndb/src/kernel/blocks/dbdict/Dbdict.cpp

@@ -348,7 +348,7 @@ void Dbdict::packTableIntoPages(Signal* signal)
 
   memset(&pagePtr.p->word[0], 0, 4 * ZPAGE_HEADER_SIZE);
   LinearWriter w(&pagePtr.p->word[ZPAGE_HEADER_SIZE], 
-		 8 * ZSIZE_OF_PAGES_IN_WORDS);
+		 ZMAX_PAGES_OF_TABLE_DEFINITION * ZSIZE_OF_PAGES_IN_WORDS);
   w.first();
   switch((DictTabInfo::TableType)type) {
   case DictTabInfo::SystemTable:

storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp

@@ -1173,15 +1173,17 @@ NdbEventBuffer::nextEvent()
 NdbEventOperationImpl*
 NdbEventBuffer::getGCIEventOperations(Uint32* iter, Uint32* event_types)
 {
+  DBUG_ENTER("NdbEventBuffer::getGCIEventOperations");
   EventBufData_list::Gci_ops *gci_ops = m_available_data.first_gci_ops();
   if (*iter < gci_ops->m_gci_op_count)
   {
     EventBufData_list::Gci_op g = gci_ops->m_gci_op_list[(*iter)++];
     if (event_types != NULL)
       *event_types = g.event_types;
-    return g.op;
+    DBUG_PRINT("info", ("gci: %d", (unsigned)gci_ops->m_gci));
+    DBUG_RETURN(g.op);
   }
-  return NULL;
+  DBUG_RETURN(NULL);
 }
 
 void
@@ -1647,11 +1649,19 @@ NdbEventBuffer::insertDataL(NdbEventOperationImpl *op,
     else
     {
       // event with same op, PK found, merge into old buffer
+      Uint32 old_op = data->sdata->operation;
       if (unlikely(merge_data(sdata, ptr, data)))
       {
         op->m_has_error = 3;
         DBUG_RETURN_EVENT(-1);
       }
+      Uint32 new_op = data->sdata->operation;
+
+      // make Gci_ops reflect the merge by delete old and add new
+      EventBufData_list::Gci_op g = { op, (1 << old_op) };
+      // bucket->m_data.del_gci_op(g); // XXX whats wrong? fix later
+      g.event_types = (1 << new_op);
+      bucket->m_data.add_gci_op(g);
     }
     DBUG_RETURN_EVENT(0);
   }
@@ -2184,7 +2194,7 @@ void EventBufData_list::append_list(EventBufData_list *list, Uint64 gci)
 }
 
 void
-EventBufData_list::add_gci_op(Gci_op g)
+EventBufData_list::add_gci_op(Gci_op g, bool del)
 {
   assert(g.op != NULL);
   Uint32 i;
@@ -2193,7 +2203,10 @@ EventBufData_list::add_gci_op(Gci_op g)
       break;
   }
   if (i < m_gci_op_count) {
-    m_gci_op_list[i].event_types |= g.event_types;
+    if (! del)
+      m_gci_op_list[i].event_types |= g.event_types;
+    else
+      m_gci_op_list[i].event_types &= ~ g.event_types;
   } else {
     if (m_gci_op_count == m_gci_op_alloc) {
       Uint32 n = 1 + 2 * m_gci_op_alloc;
@@ -2207,6 +2220,7 @@ EventBufData_list::add_gci_op(Gci_op g)
       m_gci_op_alloc = n;
     }
     assert(m_gci_op_count < m_gci_op_alloc);
+    assert(! del);
     m_gci_op_list[m_gci_op_count++] = g;
   }
 }

storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp

@@ -129,9 +129,11 @@ public:
   };
   Gci_ops *first_gci_ops();
   Gci_ops *next_gci_ops();
-private:
   // case 1 above; add Gci_op to single list
-  void add_gci_op(Gci_op g);
+  void add_gci_op(Gci_op g, bool del = false);
+  // delete bit from existing flags
+  void del_gci_op(Gci_op g) { add_gci_op(g, true); }
+private:
   // case 2 above; move single list or multi list from
   // one list to another
   void move_gci_ops(EventBufData_list *list, Uint64 gci);