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# # Bug #21143276 HANGING DUE TO ASYNC_ROLLBACK # CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; INSERT INTO t1 VALUES (0); START TRANSACTION; insert into t1 values(1); UPDATE t1 SET c1=2 WHERE c1=0; SET DEBUG_SYNC='ha_innobase_info_low SIGNAL update_cmd WAIT_FOR enter_innodb'; select * from t1; # On connection 1 include/start_transaction_high_prio.inc START TRANSACTION /* HIGH PRIORITY */; set debug_sync='now WAIT_FOR update_cmd'; select * from t1; c1 0 SET DEBUG_SYNC='trx_kill_blocking_enter SIGNAL enter_innodb'; UPDATE t1 SET c1=2 WHERE c1=0; commit; ERROR 40001: Deadlock found when trying to get lock; try restarting transaction commit; select * from t1; c1 2 DROP TABLE t1; # # Bug #25032066: PREPARED TRANSACTION SHOULD NOT BE ROLLED BACK # CREATE TABLE t1(col1 int PRIMARY KEY, col2 int); INSERT INTO t1 VALUES(1, 10); XA START 'xid1'; UPDATE t1 SET col2 = 20; XA END 'xid1'; XA PREPARE 'xid1'; include/start_transaction_high_prio.inc START TRANSACTION /* HIGH PRIORITY */; UPDATE t1 SET col2 = 30 WHERE col2 = 10;; XA COMMIT 'xid1'; COMMIT; SELECT * FROM t1; col1 col2 1 20 DROP TABLE t1;