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752496999e
The issue is that xa.test failed sporadically on some platforms. The reason for the test failure is a race condition in xa.test. The race condition occures between connection that executes statement INSERT INTO t2 SELECT FROM t1 and other connection that tries to run statements DELETE FROM t1 and COMMIT. If COMMIT statement had been executed before the statement INSERT INTO t2 SELECT FROM t1 was locked by lock on table t1 (as a result of query from table t1) then the INSERT statement is executed successfully and a following test for deadlock would failed. This patch fixes this race condition by moving COMMIT statement after commit of distributed transaction from concurrent session.
393 lines
7.7 KiB
Text
393 lines
7.7 KiB
Text
#
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# WL#1756
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#
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-- source include/have_innodb.inc
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--source include/not_embedded.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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disconnect con1;
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connection default;
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drop table t1;
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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=1;
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--echo End of 5.0 tests
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#
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# Bug#44672: Assertion failed: thd->transaction.xid_state.xid.is_null()
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#
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xa start 'a';
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xa end 'a';
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xa rollback 'a';
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xa start 'a';
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xa end 'a';
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xa rollback 'a';
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#
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# Bug#45548: XA transaction without access to InnoDB tables crashes the server
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#
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xa start 'a';
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xa end 'a';
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xa prepare 'a';
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xa commit 'a';
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xa start 'a';
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xa end 'a';
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xa prepare 'a';
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xa commit 'a';
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#
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# BUG#43171 - Assertion failed: thd->transaction.xid_state.xid.is_null()
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#
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CREATE TABLE t1(a INT, KEY(a)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES(1),(2);
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connect(con1,localhost,root,,);
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# Part 1: Prepare to test XA START after regular transaction deadlock
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BEGIN;
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UPDATE t1 SET a=3 WHERE a=1;
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connection default;
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BEGIN;
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UPDATE t1 SET a=4 WHERE a=2;
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connection con1;
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let $conn_id= `SELECT CONNECTION_ID()`;
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SEND UPDATE t1 SET a=5 WHERE a=2;
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connection default;
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let $wait_timeout= 2;
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let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
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WHERE ID=$conn_id AND STATE='Searching rows for update';
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--source include/wait_condition.inc
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--error ER_LOCK_DEADLOCK
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UPDATE t1 SET a=5 WHERE a=1;
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ROLLBACK;
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# Part 2: Prepare to test XA START after XA transaction deadlock
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connection con1;
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REAP;
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ROLLBACK;
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BEGIN;
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UPDATE t1 SET a=3 WHERE a=1;
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connection default;
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XA START 'xid1';
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UPDATE t1 SET a=4 WHERE a=2;
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connection con1;
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SEND UPDATE t1 SET a=5 WHERE a=2;
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connection default;
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let $wait_timeout= 2;
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let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
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WHERE ID=$conn_id AND STATE='Searching rows for update';
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--source include/wait_condition.inc
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--error ER_LOCK_DEADLOCK
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UPDATE t1 SET a=5 WHERE a=1;
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--error ER_XA_RBDEADLOCK
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XA END 'xid1';
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XA ROLLBACK 'xid1';
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XA START 'xid1';
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XA END 'xid1';
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XA ROLLBACK 'xid1';
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disconnect con1;
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DROP TABLE t1;
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--echo #
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--echo # Bug#56448 Assertion failed: ! is_set() with second xa end
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--echo #
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XA START 'x';
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XA END 'x';
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# Second XA END caused an assertion.
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--error ER_XAER_RMFAIL
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XA END 'x';
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XA PREPARE 'x';
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# Second XA PREPARE also caused an assertion.
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--error ER_XAER_RMFAIL
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XA PREPARE 'x';
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XA ROLLBACK 'x';
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--echo #
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--echo # Bug#59986 Assert in Diagnostics_area::set_ok_status() for XA COMMIT
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--echo #
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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, PRIMARY KEY(a)) engine=InnoDB;
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INSERT INTO t1 VALUES (1, 1), (2, 2);
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--echo # Connection con1
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connect (con1, localhost, root);
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XA START 'a';
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UPDATE t1 SET b= 3 WHERE a=1;
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--echo # Connection default
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connection default;
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XA START 'b';
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UPDATE t1 SET b=4 WHERE a=2;
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--echo # Sending:
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--send UPDATE t1 SET b=5 WHERE a=1
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--echo # Connection con1
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connection con1;
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--sleep 1
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--error ER_LOCK_DEADLOCK
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UPDATE t1 SET b=6 WHERE a=2;
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# This used to trigger the assert
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--error ER_XA_RBDEADLOCK
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XA COMMIT 'a';
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--echo # Connection default
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connection default;
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--echo # Reaping: UPDATE t1 SET b=5 WHERE a=1
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--reap
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XA END 'b';
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XA ROLLBACK 'b';
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DROP TABLE t1;
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disconnect con1;
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--echo #
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--echo # Bug#11766752 59936: multiple xa assertions - transactional
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--echo # statement fuzzer
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--echo #
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CREATE TABLE t1 (a INT) engine=InnoDB;
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XA START 'a';
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INSERT INTO t1 VALUES (1);
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--error ER_XAER_RMFAIL
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SAVEPOINT savep;
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XA END 'a';
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--error ER_XAER_RMFAIL
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SELECT * FROM t1;
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--error ER_XAER_RMFAIL
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INSERT INTO t1 VALUES (2);
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--error ER_XAER_RMFAIL
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SAVEPOINT savep;
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--error ER_XAER_RMFAIL
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SET @a=(SELECT * FROM t1);
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XA PREPARE 'a';
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--error ER_XAER_RMFAIL
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SELECT * FROM t1; # used to cause InnoDB assert
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--error ER_XAER_RMFAIL
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INSERT INTO t1 VALUES (2); # used to cause InnoDB assert
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--error ER_XAER_RMFAIL
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SAVEPOINT savep;
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--error ER_XAER_RMFAIL
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SET @a=(SELECT * FROM t1); # used to cause InnoDB assert
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--error ER_XAER_RMFAIL
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UPDATE t1 SET a=1 WHERE a=2;
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XA COMMIT 'a';
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SELECT * FROM t1;
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DROP TABLE t1;
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--echo #
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--echo # Bug#12352846 - TRANS_XA_START(THD*):
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--echo # ASSERTION THD->TRANSACTION.XID_STATE.XID.IS_NULL()
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--echo # FAILED
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--echo #
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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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CREATE TABLE t2 (a INT) ENGINE=InnoDB;
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START TRANSACTION;
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INSERT INTO t1 VALUES (1);
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--echo # Connection con2
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--connect (con2,localhost,root)
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XA START 'xid1';
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--echo # Sending:
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--send INSERT INTO t2 SELECT a FROM t1
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--echo # Connection default
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--connection default
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let $wait_condition=
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SELECT COUNT(*) = 1 FROM information_schema.processlist
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WHERE state = "Sending data"
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AND info = "INSERT INTO t2 SELECT a FROM t1";
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--echo # Waiting until INSERT ... is blocked
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--source include/wait_condition.inc
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DELETE FROM t1;
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--echo # Connection con2
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--connection con2
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--echo # Reaping: INSERT INTO t2 SELECT a FROM t1
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--error ER_LOCK_DEADLOCK
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--reap
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--error ER_XA_RBDEADLOCK
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XA COMMIT 'xid1';
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--echo # Connection default
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connection default;
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COMMIT;
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--echo # Connection con2
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connection con2;
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# This caused the assert to be triggered
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XA START 'xid1';
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XA END 'xid1';
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XA PREPARE 'xid1';
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XA ROLLBACK 'xid1';
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--echo # Connection default
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connection default;
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DROP TABLE t1, t2;
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disconnect con2;
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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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