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# # Bug#13688248 CRASH IN DIAGNOSTICS_AREA::SET_OK_STATUS WHEN USING DEBUG_SYNC # SET SESSION DEBUG_SYNC= 'RESET'; CREATE TABLE t1 (pk INT, PRIMARY KEY(pk)); SET SESSION sql_mode=TRADITIONAL; SET SESSION autocommit=1; INSERT INTO t1 VALUES(1); SET SESSION debug_sync='write_row_replace SIGNAL go_ahead1 WAIT_FOR comes_never '; REPLACE INTO t1 ( pk ) VALUES ( 1 ); Warnings: Warning 1639 debug sync point wait timed out DROP TABLE t1; # # Bug#19670163 : ASSERT AFTER MISSING ERROR CHECK IN SUBQUERY # CREATE TABLE t1(a INT); CREATE TABLE t2(a INT); INSERT INTO t1 VALUES (0); INSERT INTO t2 VALUES (0); START TRANSACTION; DELETE FROM t1; connection default; SET DEBUG_SYNC= 'lock_wait_suspend_thread_enter SIGNAL blocked WAIT_FOR delete'; # Sending: SET @b= (SELECT(SELECT a FROM t1 FOR UPDATE) FROM t2 FOR UPDATE); connection con1; SET DEBUG_SYNC= 'now WAIT_FOR blocked'; SET DEBUG_SYNC= 'lock_wait_suspend_thread_enter SIGNAL delete'; DELETE FROM t2; COMMIT; connection default; #Reaping "SET @b ..." ERROR 40001: Deadlock found when trying to get lock; try restarting transaction connection con1; disconnect con1; connection default; DROP TABLE t1,t2; SET DEBUG_SYNC= 'RESET';