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SET autocommit=1 while XA transaction is active may cause various side effects, including memory corruption and server crash. The problem is that SET autocommit=1 and further queries attempt to commit local transaction, whereas XA transaction is still active. As local and XA transactions are mutually exclusive, this patch forbids enabling autocommit mode while XA transaction is active.
146 lines
2.8 KiB
Plaintext
146 lines
2.8 KiB
Plaintext
#
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# WL#1756
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#
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-- source include/have_innodb.inc
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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create table t1 (a int) engine=innodb;
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xa start 'test1';
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insert t1 values (10);
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xa end 'test1';
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xa prepare 'test1';
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xa rollback 'test1';
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select * from t1;
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xa start 'test2';
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--error ER_XAER_RMFAIL
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xa start 'test-bad';
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insert t1 values (20);
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--error ER_XAER_RMFAIL
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xa prepare 'test2';
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xa end 'test2';
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xa prepare 'test2';
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xa commit 'test2';
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select * from t1;
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xa start 'testa','testb';
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insert t1 values (30);
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--error ER_XAER_RMFAIL
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commit;
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xa end 'testa','testb';
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--error ER_XAER_RMFAIL
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begin;
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--error ER_XAER_RMFAIL
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create table t2 (a int);
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connect (con1,localhost,root,,);
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connection con1;
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--error ER_XAER_DUPID
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xa start 'testa','testb';
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--error ER_XAER_DUPID
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xa start 'testa','testb', 123;
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# gtrid [ , bqual [ , formatID ] ]
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xa start 0x7465737462, 0x2030405060, 0xb;
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insert t1 values (40);
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xa end 'testb',' 0@P`',11;
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xa prepare 'testb',0x2030405060,11;
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--error ER_XAER_RMFAIL
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start transaction;
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xa recover;
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# uncomment the line below when binlog will be able to prepare
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#disconnect con1;
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connection default;
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xa prepare 'testa','testb';
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xa recover;
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--error ER_XAER_NOTA
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xa commit 'testb',0x2030405060,11;
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xa rollback 'testa','testb';
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--error ER_PARSE_ERROR
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xa start 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz';
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select * from t1;
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drop table t1;
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disconnect con1;
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#
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# Bug#28323: Server crashed in xid cache operations
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1(a int, b int, c varchar(20), primary key(a)) engine = innodb;
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insert into t1 values(1, 1, 'a');
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insert into t1 values(2, 2, 'b');
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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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--connection con1
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xa start 'a','b';
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update t1 set c = 'aa' where a = 1;
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--connection con2
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xa start 'a','c';
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update t1 set c = 'bb' where a = 2;
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--connection con1
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--send update t1 set c = 'bb' where a = 2
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--connection con2
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--sleep 1
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--error ER_LOCK_DEADLOCK
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update t1 set c = 'aa' where a = 1;
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select count(*) from t1;
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--error ER_XA_RBDEADLOCK
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xa end 'a','c';
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xa rollback 'a','c';
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--disconnect con2
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connect (con3,localhost,root,,);
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--connection con3
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xa start 'a','c';
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--disconnect con1
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--disconnect con3
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--connection default
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drop table t1;
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--echo #
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--echo # BUG#51342 - more xid crashing
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--echo #
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CREATE TABLE t1(a INT) ENGINE=InnoDB;
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XA START 'x';
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SET SESSION autocommit=0;
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INSERT INTO t1 VALUES(1);
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--error ER_XAER_RMFAIL
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SET SESSION autocommit=1;
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SELECT @@autocommit;
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INSERT INTO t1 VALUES(1);
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XA END 'x';
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XA COMMIT 'x' ONE PHASE;
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DROP TABLE t1;
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SET SESSION autocommit=DEFAULT;
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--echo End of 5.0 tests
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# Wait till all disconnects are completed
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--source include/wait_until_count_sessions.inc
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