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a5986fa220
ASSERTION THD->TRANSACTION.XID_STATE.XID.IS_NULL()
FAILED
The triggered assert checks that the previous XA transaction has
done proper cleanup before a new XA transaction is started.
The bug that caused it to be triggered was that XA COMMIT did not
clean up error state if XA COMMIT discovered that the current XA
transaction had to be rolled back.
This patch fixes the problem by resetting the XA error state
before XA COMMIT calls ha_rollback_trans(). This allows following
XA transactions to be started without triggering the assert.
Test case added to xa.test.
231 lines
7.1 KiB
Text
231 lines
7.1 KiB
Text
drop table if exists t1, t2;
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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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a
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xa start 'test2';
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xa start 'test-bad';
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the ACTIVE state
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insert t1 values (20);
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xa prepare 'test2';
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the ACTIVE state
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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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a
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20
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xa start 'testa','testb';
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insert t1 values (30);
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commit;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the ACTIVE state
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xa end 'testa','testb';
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begin;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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create table t2 (a int);
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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xa start 'testa','testb';
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ERROR XAE08: XAER_DUPID: The XID already exists
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xa start 'testa','testb', 123;
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ERROR XAE08: XAER_DUPID: The XID already exists
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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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start transaction;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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xa recover;
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formatID gtrid_length bqual_length data
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11 5 5 testb 0@P`
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xa prepare 'testa','testb';
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xa recover;
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formatID gtrid_length bqual_length data
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11 5 5 testb 0@P`
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1 5 5 testatestb
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xa commit 'testb',0x2030405060,11;
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ERROR XAE04: XAER_NOTA: Unknown XID
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xa rollback 'testa','testb';
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xa start 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz';
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
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select * from t1;
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a
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20
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drop table t1;
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drop table if exists t1;
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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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xa start 'a','b';
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update t1 set c = 'aa' where a = 1;
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xa start 'a','c';
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update t1 set c = 'bb' where a = 2;
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update t1 set c = 'bb' where a = 2;
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update t1 set c = 'aa' where a = 1;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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select count(*) from t1;
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count(*)
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2
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xa end 'a','c';
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ERROR XA102: XA_RBDEADLOCK: Transaction branch was rolled back: deadlock was detected
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xa rollback 'a','c';
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xa start 'a','c';
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drop table t1;
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#
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# BUG#51342 - more xid crashing
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#
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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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SET SESSION autocommit=1;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the ACTIVE state
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SELECT @@autocommit;
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@@autocommit
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0
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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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End of 5.0 tests
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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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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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CREATE TABLE t1(a INT, KEY(a)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES(1),(2);
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BEGIN;
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UPDATE t1 SET a=3 WHERE a=1;
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BEGIN;
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UPDATE t1 SET a=4 WHERE a=2;
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UPDATE t1 SET a=5 WHERE a=2;
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UPDATE t1 SET a=5 WHERE a=1;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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ROLLBACK;
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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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XA START 'xid1';
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UPDATE t1 SET a=4 WHERE a=2;
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UPDATE t1 SET a=5 WHERE a=2;
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UPDATE t1 SET a=5 WHERE a=1;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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XA END 'xid1';
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ERROR XA102: XA_RBDEADLOCK: Transaction branch was rolled back: deadlock was detected
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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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DROP TABLE t1;
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#
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# Bug#56448 Assertion failed: ! is_set() with second xa end
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#
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XA START 'x';
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XA END 'x';
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XA END 'x';
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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XA PREPARE 'x';
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XA PREPARE 'x';
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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XA ROLLBACK 'x';
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#
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# Bug#59986 Assert in Diagnostics_area::set_ok_status() for XA COMMIT
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#
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DROP TABLE IF EXISTS t1;
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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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# Connection con1
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XA START 'a';
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UPDATE t1 SET b= 3 WHERE a=1;
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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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# Sending:
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UPDATE t1 SET b=5 WHERE a=1;
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# Connection con1
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UPDATE t1 SET b=6 WHERE a=2;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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XA COMMIT 'a';
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ERROR XA102: XA_RBDEADLOCK: Transaction branch was rolled back: deadlock was detected
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# Connection default
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# Reaping: UPDATE t1 SET b=5 WHERE a=1
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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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#
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# Bug#11766752 59936: multiple xa assertions - transactional
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# statement fuzzer
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#
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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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SAVEPOINT savep;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the ACTIVE state
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XA END 'a';
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SELECT * FROM t1;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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INSERT INTO t1 VALUES (2);
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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SAVEPOINT savep;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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SET @a=(SELECT * FROM t1);
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the IDLE state
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XA PREPARE 'a';
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SELECT * FROM t1;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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INSERT INTO t1 VALUES (2);
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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SAVEPOINT savep;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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SET @a=(SELECT * FROM t1);
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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UPDATE t1 SET a=1 WHERE a=2;
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ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the PREPARED state
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XA COMMIT 'a';
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SELECT * FROM t1;
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a
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1
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DROP TABLE t1;
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#
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# Bug#12352846 - TRANS_XA_START(THD*):
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# ASSERTION THD->TRANSACTION.XID_STATE.XID.IS_NULL()
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# FAILED
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#
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DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1 (a INT);
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CREATE TABLE t2 (a INT);
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START TRANSACTION;
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INSERT INTO t1 VALUES (1);
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# Connection con2
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XA START 'xid1';
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# Sending:
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INSERT INTO t2 SELECT a FROM t1;
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# Connection default
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# Waiting until INSERT ... is blocked
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DELETE FROM t1;
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COMMIT;
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# Connection con2
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# Reaping: INSERT INTO t2 SELECT a FROM t1
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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XA COMMIT 'xid1';
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ERROR XA102: XA_RBDEADLOCK: Transaction branch was rolled back: deadlock was detected
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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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# Connection default
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DROP TABLE t1, t2;
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