--- foreign_sql_mode.result +++ foreign_sql_mode,INPLACE,NON-STRICT.rdiff @@ -3,14 +3,14 @@ CREATE TABLE t1(f1 INT, f2 INT, PRIMARY KEY(f1), KEY(f2))ENGINE=InnoDB; CREATE TABLE t2(f1 INT, FOREIGN KEY(f1) REFERENCES t1(f2) ON UPDATE CASCADE)ENGINE=InnoDB; ALTER TABLE t2 MODIFY COLUMN f1 INT NOT NULL; -ERROR HY000: Column 'f1' cannot be NOT NULL: needed in a foreign key constraint 't2_ibfk_1' SET NULL INSERT INTO t1 VALUES(1, 1); INSERT INTO t2 VALUES(1); UPDATE t1 SET f2= NULL; +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f1`) REFERENCES `t1` (`f2`) ON UPDATE CASCADE) DELETE FROM t2; SELECT * FROM t1; f1 f2 -1 NULL +1 1 UPDATE t1 SET f2 = NULL; SELECT * FROM t1; f1 f2 @@ -40,11 +40,10 @@ FOREIGN KEY(f1) REFERENCES `t#1`(f2) ON UPDATE CASCADE)ENGINE=InnoDB; ALTER TABLE `t#1` MODIFY COLUMN f2 INT; -ERROR HY000: Cannot change column 'f2': used in a foreign key constraint 't#2_ibfk_1' of table 'test.t#2' INSERT INTO `t#1` VALUES(1, 1); INSERT INTO `t#2` VALUES(1); UPDATE `t#1` SET f2= NULL; -ERROR 23000: Column 'f2' cannot be null +ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t#2`, CONSTRAINT `t#2_ibfk_1` FOREIGN KEY (`f1`) REFERENCES `t#1` (`f2`) ON UPDATE CASCADE) DELETE FROM `t#2`; SELECT * FROM `t#1`; f1 f2 @@ -60,6 +59,5 @@ PRIMARY KEY(f1, f2), FOREIGN KEY(f2, f3) REFERENCES t1(f2, f1) ON UPDATE CASCADE)ENGINE=InnoDB; -ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed") DROP TABLE IF EXISTS t2; DROP TABLE IF EXISTS t1;