# # Bug #40113: Embedded SELECT inside UPDATE or DELETE can timeout # without error # CREATE TABLE t1 (a int, b int, PRIMARY KEY (a,b)) ENGINE=InnoDB; INSERT INTO t1 (a,b) VALUES (1070109,99); CREATE TABLE t2 (b int, a int, PRIMARY KEY (b)) ENGINE=InnoDB; INSERT INTO t2 (b,a) VALUES (7,1070109); SELECT * FROM t1; a b 1070109 99 BEGIN; SELECT b FROM t2 WHERE b=7 FOR UPDATE; b 7 BEGIN; SELECT b FROM t2 WHERE b=7 FOR UPDATE; ERROR HY000: Lock wait timeout exceeded; try restarting transaction INSERT INTO t1 (a) VALUES ((SELECT a FROM t2 WHERE b=7)); ERROR HY000: Lock wait timeout exceeded; try restarting transaction UPDATE t1 SET a='7000000' WHERE a=(SELECT a FROM t2 WHERE b=7); ERROR HY000: Lock wait timeout exceeded; try restarting transaction DELETE FROM t1 WHERE a=(SELECT a FROM t2 WHERE b=7); ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT * FROM t1; a b 1070109 99 DROP TABLE t2, t1; # End of 5.0 tests # # Bug#46539 Various crashes on INSERT IGNORE SELECT + SELECT # FOR UPDATE # drop table if exists t1; create table t1 (a int primary key auto_increment, b int, index(b)) engine=innodb; insert into t1 (b) values (1), (2), (3), (4), (5), (6), (7), (8), (9), (10); set autocommit=0; begin; select * from t1 where b=5 for update; a b 5 5 insert ignore into t1 (b) select a as b from t1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction # Cleanup # commit; set autocommit=default; drop table t1; # # End of 5.1 tests #