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This assert could be triggered during two phase commit if binary log was used as transaction coordinator log. The triggered assert checks that the same number of transaction IDs are processed in the prepare and commit phases. The reason it was triggered, was that the transaction consisted of an INSERT/UPDATE IGNORE that had an ignorable error. Since it had an error, no row log events were made and therefore prepared_xids was 0. However, since it was an IGNORE statement, the statement started a read/write statement transaction, committed it and completed successfully. This patch fixes the problem by adjusting the assert to take this possibility into account. Test case added to binlog.binlog_innodb_row.test.
78 lines
3 KiB
Text
78 lines
3 KiB
Text
CREATE TABLE t1 (i int unique) ENGINE=innodb;
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reset master;
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begin;
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insert into t1 values (1),(2);
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*** the following UPDATE query wont generate any updates for the binlog ***
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update t1 set i = 3 where i < 3;
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ERROR 23000: Duplicate entry '3' for key 'i'
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commit;
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*** Results of the test: the binlog must have only Write_rows events not any Update_rows ***
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show binlog events from <binlog_start>;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 # Query # # BEGIN
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master-bin.000001 # Table_map # # table_id: # (test.t1)
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master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
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master-bin.000001 # Xid # # COMMIT /* XID */
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delete from t1;
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reset master;
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begin;
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insert into t1 values (1),(2);
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*** the following UPDATE query wont generate any updates for the binlog ***
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insert into t1 values (3),(4),(1),(2);
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ERROR 23000: Duplicate entry '1' for key 'i'
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commit;
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*** Results of the test: the binlog must have only one Write_rows event not two ***
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show binlog events from <binlog_start>;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 # Query # # BEGIN
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master-bin.000001 # Table_map # # table_id: # (test.t1)
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master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
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master-bin.000001 # Xid # # COMMIT /* XID */
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drop table t1;
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RESET MASTER;
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CREATE TABLE t1 ( c1 int , primary key (c1)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1), (2), (3);
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CREATE TEMPORARY TABLE IF NOT EXISTS t2 LIKE t1;
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TRUNCATE TABLE t2;
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DROP TABLE t1;
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###############################################
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### assertion: No event for 'TRUNCATE TABLE t2'
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###############################################
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show binlog events from <binlog_start>;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 # Query # # use `test`; CREATE TABLE t1 ( c1 int , primary key (c1)) ENGINE=InnoDB
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master-bin.000001 # Query # # BEGIN
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master-bin.000001 # Table_map # # table_id: # (test.t1)
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master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
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master-bin.000001 # Xid # # COMMIT /* XID */
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master-bin.000001 # Query # # use `test`; DROP TABLE `t1` /* generated by server */
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###############################################
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RESET MASTER;
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CREATE TEMPORARY TABLE t1 (c1 int) Engine=InnoDB;
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INSERT INTO t1 VALUES (1), (2), (3);
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TRUNCATE t1;
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DROP TEMPORARY TABLE t1;
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###############################################
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### assertion: No event for 'TRUNCATE TABLE t1'
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###############################################
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show binlog events from <binlog_start>;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 # Query # # use `test`; DROP TEMPORARY TABLE IF EXISTS `t1` /* generated by server */
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###############################################
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#
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# Bug#12346411 SQL/LOG.CC:6509: ASSERTION `PREPARED_XIDS > 0' FAILED
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#
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DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1(a INT PRIMARY KEY) engine=innodb;
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CREATE TABLE t2(a INT) engine=myisam;
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INSERT INTO t1 VALUES (1);
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START TRANSACTION;
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INSERT INTO t2 VALUES (1);
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INSERT IGNORE INTO t1 VALUES (1);
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COMMIT;
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INSERT INTO t1 VALUES (2);
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START TRANSACTION;
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INSERT INTO t2 VALUES (2);
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UPDATE IGNORE t1 SET a=1 WHERE a=2;
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COMMIT;
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DROP TABLE t1, t2;
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