CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,1),(2,2);
CREATE TABLE t2 (c INT, d INT) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,1), (2,2);
CREATE TABLE t3 (e INT) ENGINE=InnoDB;
CREATE TABLE t4 ENGINE=InnoDB AS SELECT * FROM t2;
BEGIN;
UPDATE t1 SET a = 0 WHERE a = ( SELECT e FROM t3 );
SET DEBUG_SYNC='srv_suspend_mysql_thread_enter SIGNAL waiting';
UPDATE t4 SET d = 1 WHERE d in ( SELECT a FROM t1 ) ORDER BY c LIMIT 6;
SET DEBUG_SYNC='now WAIT_FOR waiting';
SET DEBUG_SYNC='RESET';
UPDATE t4 SET d = 9;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
commit;
drop table t1,t2,t3,t4;
