CREATE TABLE t1(id INT PRIMARY key, val VARCHAR(16000)) ENGINE=InnoDB STATS_PERSISTENT=0; INSERT INTO t1 (id,val) SELECT 2*seq,'x' FROM seq_0_to_1023; connect con1,localhost,root,,; InnoDB 0 transactions not purged START TRANSACTION WITH CONSISTENT SNAPSHOT; connection default; DELETE FROM t1 WHERE id=1788; SET @saved_dbug = @@GLOBAL.debug_dbug; SET @@GLOBAL.debug_dbug="d,enable_row_purge_del_mark_exit_sync_point"; BEGIN; SELECT * FROM t1 WHERE id=1788 FOR UPDATE; id val connection con1; COMMIT; SET DEBUG_SYNC = 'now WAIT_FOR row_purge_del_mark_finished'; SET @@GLOBAL.debug_dbug = @saved_dbug; connection default; INSERT INTO t1 (id,val) VALUES (1787, REPEAT('x',2000)); connection con1; SET innodb_lock_wait_timeout=0; INSERT INTO t1 (id,val) VALUES (1788, 'x'); ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT * FROM t1 WHERE id=1788 FOR UPDATE; id val disconnect con1; connection default; COMMIT; DROP TABLE t1;