drop table if exists t1,t2; drop procedure if exists p1; # #MDEV-6985: MariaDB crashes on stored procedure call # CREATE TABLE `t1` ( `ID` int(11) NOT NULL, PRIMARY KEY (`ID`) ) ENGINE=InnoDB; CREATE TABLE `t2` ( `ID` int(11) NOT NULL, `DATE` datetime DEFAULT NULL, PRIMARY KEY (`ID`) ) ENGINE=InnoDB; CREATE PROCEDURE `p1`() BEGIN DECLARE _mySelect CURSOR FOR SELECT DISTINCT t1.ID FROM t1 LEFT JOIN t2 AS t2 ON t2.ID = t1.ID AND t2.DATE = ( SELECT MAX(T3.DATE) FROM t2 AS T3 WHERE T3.ID = t2.ID AND T3.DATE<=NOW() ) WHERE t1.ID = 1; OPEN _mySelect; CLOSE _mySelect; END ;; CALL p1(); CALL p1(); drop procedure p1; drop table t1,t2; # # BUG 16041903: CONTINUE HANDLER NOT INVOKED # IN A STORED FUNCTION AFTER A LOCK WAIT TIMEOUT # # Save and set lock wait timeout SET @lock_wait_timeout_saved= @@lock_wait_timeout; SET @innodb_lock_wait_timeout_saved= @@innodb_lock_wait_timeout; SET @@lock_wait_timeout= 1; SET @@innodb_lock_wait_timeout= 1; # Create a function with exit handler: CREATE FUNCTION f1() RETURNS VARCHAR(20) BEGIN DECLARE EXIT HANDLER FOR SQLSTATE '42S02' RETURN 'No such table'; INSERT INTO no_such_table VALUES (1); END// # Create a function calling f1(): CREATE FUNCTION f2() RETURNS VARCHAR(20) BEGIN RETURN f1(); END// # Create a function provoking deadlock: CREATE FUNCTION f3() RETURNS VARCHAR(20) BEGIN UPDATE t1 SET i= 1 WHERE i= 1; RETURN 'Will never get here'; END// # Create a function calling f3, to create # a deadlock indirectly: CREATE FUNCTION f4() RETURNS VARCHAR(20) BEGIN RETURN f3(); END// # Open another connection, create and initialize a table # to be used for provoking deadlock, put a lock on the table: CREATE TABLE t1 (i INT) ENGINE=InnoDB; INSERT INTO t1 VALUES (1); SET AUTOCOMMIT= 0; UPDATE t1 SET i=1 WHERE i=1; # On the default connection, do an update to provoke a # deadlock, then call the function with handler. This case # fails without the patch (with error ER_NO_SUCH_TABLE): SET AUTOCOMMIT= 0; UPDATE t1 SET i=1 WHERE i=1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT f1() AS 'f1():'; f1(): No such table # Provoke another deadlock, then call the function with # handler indirectly. This case fails without the patch # (with error ER_NO_SUCH_TABLE): UPDATE t1 SET i= 1 WHERE i= 1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT f2() AS 'f2():'; f2(): No such table # Provoke yet another deadlock, but now from within a function, # then call the function with handler. This succeeds even # without the patch because is_fatal_sub_stmt_error is reset # in restore_sub_stmt after the failing function has been # executed. The test case is included anyway for better coverage: SELECT f3() AS 'f3():'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT f1() AS 'f1():'; f1(): No such table # Provoke yet another deadlock, but now from within a function, # calling another function, then call the function with handler. # This succeeds even without the patch because # is_fatal_sub_stmt_error is reset in restore_sub_stmt after # the failing function has been executed. The test case is # included anyway for better coverage: SELECT f4() AS 'f4():'; ERROR HY000: Lock wait timeout exceeded; try restarting transaction SELECT f1() AS 'f1():'; f1(): No such table # Disconnect, drop functions and table: DROP FUNCTION f4; DROP FUNCTION f3; DROP FUNCTION f2; DROP FUNCTION f1; DROP TABLE t1; # Reset lock wait timeouts SET @@lock_wait_timeout= @lock_wait_timeout_saved; SET @@innodb_lock_wait_timeout= @innodb_lock_wait_timeout_saved; # # BUG 16041903: End of test case #