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https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
1748a31ae8
In InnoDB, an INSERT will not create an explicit lock object. Instead, the inserted record is initially implicitly locked by the transaction that wrote its trx_t::id to the hidden system column DB_TRX_ID. (Other transactions would check if DB_TRX_ID is referring to a transaction that has not been committed.) If a record was inserted in the current transaction, it would be implicitly locked by that transaction. Only if some other transaction is requesting access to the record, the implicit lock should be converted to an explicit one, so that the waits-for graph can be constructed for detecting deadlocks and lock wait timeouts. Before this fix, InnoDB would convert implicit locks to explicit ones, even if no conflict exists. lock_rec_convert_impl_to_expl(): Return whether caller_trx already holds an explicit lock that covers the record. row_vers_impl_x_locked_low(): Avoid a lookup if the record matches caller_trx->id. lock_trx_has_expl_x_lock(): Renamed from lock_trx_has_rec_x_lock(). row_upd_clust_step(): In a debug assertion, check for implicit lock before invoking lock_trx_has_expl_x_lock(). rw_trx_hash_t::find(): Make do_ref_count a mandatory parameter. Assert that trx_id is not 0 (the caller should check it). trx_sys_t::is_registered(): Only invoke find() if id != 0. trx_sys_t::find(): Add the optional parameter do_ref_count. lock_rec_queue_validate(): Avoid lookup for trx_id == 0.
347 lines
9.8 KiB
Text
347 lines
9.8 KiB
Text
call mtr.add_suppression("Deadlock found when trying to get lock; try restarting transaction");
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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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connect con1,localhost,root,,;
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connection con1;
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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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connection default;
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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 MariaDB 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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disconnect con1;
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connection default;
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xa start 'tr1';
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insert t1 values (40);
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xa end 'tr1';
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xa prepare 'tr1';
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xa recover format='SQL';
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formatID gtrid_length bqual_length data
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1 3 0 'tr1'
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xa rollback 'tr1';
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xa start 'tr1', 'bq';
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insert t1 values (40);
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xa end 'tr1', 'bq';
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xa prepare 'tr1', 'bq';
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xa recover format='SQL';
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formatID gtrid_length bqual_length data
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1 3 2 'tr1','bq'
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xa rollback 'tr1', 'bq';
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xa start 'tr1', 'bq', 3;
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insert t1 values (40);
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xa end 'tr1', 'bq', 3;
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xa prepare 'tr1', 'bq', 3;
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xa recover format='SQL';
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formatID gtrid_length bqual_length data
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3 3 2 'tr1','bq',3
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xa rollback 'tr1', 'bq', 3;
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xa start 'tr1#$';
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insert t1 values (40);
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xa end 'tr1#$';
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xa prepare 'tr1#$';
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xa recover format='SQL';
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formatID gtrid_length bqual_length data
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1 5 0 X'7472312324'
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xa rollback 'tr1#$';
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xa start 'tr1#$', 'bq';
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insert t1 values (40);
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xa end 'tr1#$', 'bq';
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xa prepare 'tr1#$', 'bq';
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xa recover format='SQL';
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formatID gtrid_length bqual_length data
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1 5 2 X'7472312324',X'6271'
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xa rollback 'tr1#$', 'bq';
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xa start 'tr1#$', 'bq', 3;
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insert t1 values (40);
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xa end 'tr1#$', 'bq', 3;
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xa prepare 'tr1#$', 'bq', 3;
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xa recover format='RAW';
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formatID gtrid_length bqual_length data
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3 5 2 tr1#$bq
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xa recover format='PLAIN';
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ERROR HY000: Unknown XA RECOVER format name: 'PLAIN'
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xa recover format='SQL';
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formatID gtrid_length bqual_length data
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3 5 2 X'7472312324',X'6271',3
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xa rollback 'tr1#$', 'bq', 3;
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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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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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update t1 set c = 'bb' where a = 2;
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connection con2;
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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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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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#
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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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connect con1,localhost,root,,;
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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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UPDATE t1 SET a=5 WHERE a=2;
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connection default;
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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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connection con1;
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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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UPDATE t1 SET a=5 WHERE a=2;
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connection default;
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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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disconnect con1;
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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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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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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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disconnect con1;
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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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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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# MDEV-14609 XA Transction unable to ROLLBACK TO SAVEPOINT
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#
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CREATE TABLE t1 (c1 INT) ENGINE=INNODB;
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XA START 'xa1';
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SAVEPOINT savepoint1;
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INSERT INTO t1 (c1) VALUES (1),(2),(3),(4);
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ROLLBACK TO SAVEPOINT savepoint1;
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XA END 'xa1';
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XA ROLLBACK 'xa1';
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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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CREATE TABLE t1 (a INT) ENGINE=InnoDB;
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CREATE TABLE t2 (a INT) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (1);
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COMMIT;
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BEGIN;
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INSERT INTO t2 VALUES (2);
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UPDATE t2 SET a=a+1;
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connect con2,localhost,root;
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XA START 'xid1';
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INSERT INTO t1 VALUES (1);
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# Sending:
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DELETE FROM t2;
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connection default;
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DELETE FROM t1;
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connection con2;
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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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connection default;
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COMMIT;
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connection con2;
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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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disconnect con2;
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CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=InnoDB;
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CREATE TABLE t2 (pk INT PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (1),(2);
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CREATE TABLE t3 (i INT) ENGINE=InnoDB;
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XA BEGIN 'xid1';
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REPLACE INTO t1 SELECT * FROM t2;
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connect con1,localhost,root,,test;
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XA BEGIN 'xid2';
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INSERT INTO t1 SELECT * FROM t2;
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connection default;
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REPLACE INTO t2 SELECT * FROM t2;
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connection con1;
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disconnect con1;
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connect con2,localhost,root,,test;
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INSERT INTO t3 VALUES (1);
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XA BEGIN 'xid3';
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disconnect con2;
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connection default;
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XA END 'xid1';
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XA ROLLBACK 'xid1';
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DROP TABLE t1, t2, t3;
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