# # Bug #19027905 ASSERT RET.SECOND DICT_CREATE_FOREIGN_CONSTRAINTS_LOW # DICT_CREATE_FOREIGN_CONSTR # create table t1 (f1 int primary key) engine=InnoDB; create table t2 (f1 int primary key, constraint c1 foreign key (f1) references t1(f1), constraint c1 foreign key (f1) references t1(f1)) engine=InnoDB; ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed") create table t2 (f1 int primary key, constraint c1 foreign key (f1) references t1(f1)) engine=innodb; alter table t2 add constraint c1 foreign key (f1) references t1(f1); ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 121 "Duplicate key on write or update") set foreign_key_checks = 0; alter table t2 add constraint c1 foreign key (f1) references t1(f1); ERROR HY000: Duplicate FOREIGN KEY constraint name 'test/c1' drop table t2, t1; # # Bug #20031243 CREATE TABLE FAILS TO CHECK IF FOREIGN KEY COLUMN # NULL/NOT NULL MISMATCH # set foreign_key_checks = 1; show variables like 'foreign_key_checks'; Variable_name Value foreign_key_checks ON CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, INDEX idx(a)) ENGINE=InnoDB; CREATE TABLE t2 (a INT KEY, b INT, INDEX ind(b), FOREIGN KEY (b) REFERENCES t1(a) ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` int(11) NOT NULL, KEY `idx` (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, PRIMARY KEY (`a`), KEY `ind` (`b`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`a`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=latin1 INSERT INTO t1 VALUES (1, 80); INSERT INTO t1 VALUES (2, 81); INSERT INTO t1 VALUES (3, 82); INSERT INTO t1 VALUES (4, 83); INSERT INTO t1 VALUES (5, 84); INSERT INTO t2 VALUES (51, 1); INSERT INTO t2 VALUES (52, 2); INSERT INTO t2 VALUES (53, 3); INSERT INTO t2 VALUES (54, 4); INSERT INTO t2 VALUES (55, 5); SELECT a, b FROM t1 ORDER BY a; a b 1 80 2 81 3 82 4 83 5 84 SELECT a, b FROM t2 ORDER BY a; a b 51 1 52 2 53 3 54 4 55 5 INSERT INTO t2 VALUES (56, 6); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`a`) ON DELETE CASCADE ON UPDATE CASCADE) ALTER TABLE t1 CHANGE a id INT; SELECT id, b FROM t1 ORDER BY id; id b 1 80 2 81 3 82 4 83 5 84 SELECT a, b FROM t2 ORDER BY a; a b 51 1 52 2 53 3 54 4 55 5 # Operations on child table INSERT INTO t2 VALUES (56, 6); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE) UPDATE t2 SET b = 99 WHERE a = 51; ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE) DELETE FROM t2 WHERE a = 53; SELECT id, b FROM t1 ORDER BY id; id b 1 80 2 81 3 82 4 83 5 84 SELECT a, b FROM t2 ORDER BY a; a b 51 1 52 2 54 4 55 5 # Operations on parent table DELETE FROM t1 WHERE id = 1; UPDATE t1 SET id = 50 WHERE id = 5; SELECT id, b FROM t1 ORDER BY id; id b 2 81 3 82 4 83 50 84 SELECT a, b FROM t2 ORDER BY a; a b 52 2 54 4 55 50 DROP TABLE t2, t1; # # bug#25126722 FOREIGN KEY CONSTRAINT NAME IS NULL AFTER RESTART # base bug#24818604 [GR] # CREATE TABLE t1 (c1 INT PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (c1 INT PRIMARY KEY, FOREIGN KEY (c1) REFERENCES t1(c1)) ENGINE=InnoDB; INSERT INTO t1 VALUES (1); INSERT INTO t2 VALUES (1); SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't2'; unique_constraint_name PRIMARY SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't2'; unique_constraint_name PRIMARY SELECT * FROM t1; c1 1 SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't2'; unique_constraint_name PRIMARY DROP TABLE t2; DROP TABLE t1; SET FOREIGN_KEY_CHECKS=0; CREATE TABLE staff ( staff_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, store_id TINYINT UNSIGNED NOT NULL, PRIMARY KEY (staff_id), KEY idx_fk_store_id (store_id), CONSTRAINT fk_staff_store FOREIGN KEY (store_id) REFERENCES store (store_id) ON DELETE RESTRICT ON UPDATE CASCADE ) ENGINE=InnoDB; CREATE TABLE store ( store_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, manager_staff_id TINYINT UNSIGNED NOT NULL, PRIMARY KEY (store_id), UNIQUE KEY idx_unique_manager (manager_staff_id), CONSTRAINT fk_store_staff FOREIGN KEY (manager_staff_id) REFERENCES staff (staff_id) ON DELETE RESTRICT ON UPDATE CASCADE ) ENGINE=InnoDB; SET FOREIGN_KEY_CHECKS=DEFAULT; LOCK TABLE staff WRITE; UNLOCK TABLES; DROP TABLES staff, store; SET FOREIGN_KEY_CHECKS=1; # # MDEV-17531 Crash in RENAME TABLE with FOREIGN KEY and FULLTEXT INDEX # CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB; CREATE DATABASE best; CREATE TABLE t3 (a INT PRIMARY KEY, CONSTRAINT t2_ibfk_1 FOREIGN KEY (a) REFERENCES t1(a)) ENGINE=InnoDB; CREATE TABLE best.t2 (a INT PRIMARY KEY, b TEXT, FULLTEXT INDEX(b), FOREIGN KEY (a) REFERENCES test.t1(a)) ENGINE=InnoDB; RENAME TABLE best.t2 TO test.t2; ERROR 42S01: Table 't2' already exists SHOW CREATE TABLE best.t2; Table Create Table t2 CREATE TABLE `t2` ( `a` int(11) NOT NULL, `b` text DEFAULT NULL, PRIMARY KEY (`a`), FULLTEXT KEY `b` (`b`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `test`.`t1` (`a`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 DROP DATABASE best; # # MDEV-17541 KILL QUERY during lock wait in FOREIGN KEY check hangs # connect fk, localhost, root,,; INSERT INTO t1 SET a=1; BEGIN; DELETE FROM t1; connection default; INSERT INTO t3 SET a=1; connection fk; kill query @id; connection default; ERROR 70100: Query execution was interrupted disconnect fk; DROP TABLE t3,t1; # Start of 10.2 tests # # MDEV-13246 Stale rows despite ON DELETE CASCADE constraint # CREATE TABLE users ( id int unsigned AUTO_INCREMENT PRIMARY KEY, name varchar(32) NOT NULL DEFAULT '' ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE matchmaking_groups ( id bigint unsigned AUTO_INCREMENT PRIMARY KEY, host_user_id int unsigned NOT NULL UNIQUE, CONSTRAINT FOREIGN KEY (host_user_id) REFERENCES users (id) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE matchmaking_group_users ( matchmaking_group_id bigint unsigned NOT NULL, user_id int unsigned NOT NULL, PRIMARY KEY (matchmaking_group_id,user_id), UNIQUE KEY user_id (user_id), CONSTRAINT FOREIGN KEY (matchmaking_group_id) REFERENCES matchmaking_groups (id) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE matchmaking_group_maps ( matchmaking_group_id bigint unsigned NOT NULL, map_id tinyint unsigned NOT NULL, PRIMARY KEY (matchmaking_group_id,map_id), CONSTRAINT FOREIGN KEY (matchmaking_group_id) REFERENCES matchmaking_groups (id) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO users VALUES (NULL,'foo'),(NULL,'bar'); INSERT INTO matchmaking_groups VALUES (10,1),(11,2); INSERT INTO matchmaking_group_users VALUES (10,1),(11,2); INSERT INTO matchmaking_group_maps VALUES (10,55),(11,66); BEGIN; UPDATE users SET name = 'qux' WHERE id = 1; connect con1,localhost,root,,; SET innodb_lock_wait_timeout= 1; DELETE FROM matchmaking_groups WHERE id = 10; connection default; COMMIT; SELECT * FROM matchmaking_group_users WHERE matchmaking_group_id NOT IN (SELECT id FROM matchmaking_groups); matchmaking_group_id user_id SELECT * FROM matchmaking_group_maps WHERE matchmaking_group_id NOT IN (SELECT id FROM matchmaking_groups); matchmaking_group_id map_id SELECT * FROM users; id name 1 qux 2 bar DROP TABLE matchmaking_group_maps, matchmaking_group_users, matchmaking_groups, users; # # MDEV-13331 FK DELETE CASCADE does not honor innodb_lock_wait_timeout # CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 ( id INT NOT NULL PRIMARY KEY, ref_id INT NOT NULL DEFAULT 0, f INT NULL, FOREIGN KEY (ref_id) REFERENCES t1 (id) ON DELETE CASCADE ) ENGINE=InnoDB; INSERT INTO t1 VALUES (1),(2); INSERT INTO t2 VALUES (1,1,10),(2,2,20); SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `id` int(11) NOT NULL, `ref_id` int(11) NOT NULL DEFAULT 0, `f` int(11) DEFAULT NULL, PRIMARY KEY (`id`), KEY `ref_id` (`ref_id`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`ref_id`) REFERENCES `t1` (`id`) ON DELETE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=latin1 connection con1; BEGIN; UPDATE t2 SET f = 11 WHERE id = 1; connection default; SET innodb_lock_wait_timeout= 1; DELETE FROM t1 WHERE id = 1; ERROR HY000: Lock wait timeout exceeded; try restarting transaction connection con1; COMMIT; connection default; SELECT * FROM t2; id ref_id f 1 1 11 2 2 20 DELETE FROM t1 WHERE id = 1; SELECT * FROM t2; id ref_id f 2 2 20 DROP TABLE t2, t1; # # MDEV-15199 Referential integrity broken in ON DELETE CASCADE # CREATE TABLE member (id int AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB; INSERT INTO member VALUES (1); CREATE TABLE address ( id int AUTO_INCREMENT PRIMARY KEY, member_id int NOT NULL, KEY address_FI_1 (member_id), CONSTRAINT address_FK_1 FOREIGN KEY (member_id) REFERENCES member (id) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB; INSERT INTO address VALUES (2,1); CREATE TABLE payment_method ( id int AUTO_INCREMENT PRIMARY KEY, member_id int NOT NULL, cardholder_address_id int DEFAULT NULL, KEY payment_method_FI_1 (member_id), KEY payment_method_FI_2 (cardholder_address_id), CONSTRAINT payment_method_FK_1 FOREIGN KEY (member_id) REFERENCES member (id) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT payment_method_FK_2 FOREIGN KEY (cardholder_address_id) REFERENCES address (id) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB; INSERT INTO payment_method VALUES (3,1,2); BEGIN; UPDATE member SET id=42; SELECT * FROM member; id 42 SELECT * FROM address; id member_id 2 42 SELECT * FROM payment_method; id member_id cardholder_address_id 3 42 2 DELETE FROM member; COMMIT; SELECT * FROM member; id SELECT * FROM address; id member_id SELECT * FROM payment_method; id member_id cardholder_address_id DROP TABLE payment_method,address,member; # # Bug #26958695 INNODB NESTED STORED FIELD WITH CONSTRAINT KEY # PRODUCE BROKEN TABLE (no bug in MariaDB) # create table t1(f1 int,f2 int, primary key(f1), key(f2, f1))engine=innodb; create table t2(f1 int, f2 int as (2) stored, f3 int as (f2) stored, foreign key(f1) references t1(f2) on update set NULL) engine=innodb; insert into t1 values(1, 1); insert into t2(f1) values(1); drop table t2, t1; SET FOREIGN_KEY_CHECKS=0; CREATE TABLE staff ( staff_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, store_id TINYINT UNSIGNED NOT NULL, PRIMARY KEY (staff_id), KEY idx_fk_store_id (store_id), CONSTRAINT fk_staff_store FOREIGN KEY (store_id) REFERENCES store (store_id) ON DELETE RESTRICT ON UPDATE CASCADE ) ENGINE=InnoDB; CREATE TABLE store ( store_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT, manager_staff_id TINYINT UNSIGNED NOT NULL, PRIMARY KEY (store_id), UNIQUE KEY idx_unique_manager (manager_staff_id), CONSTRAINT fk_store_staff FOREIGN KEY (manager_staff_id) REFERENCES staff (staff_id) ON DELETE RESTRICT ON UPDATE CASCADE ) ENGINE=InnoDB; LOCK TABLE staff WRITE; UNLOCK TABLES; DROP TABLES staff, store; SET FOREIGN_KEY_CHECKS=1; # # MDEV-17541 KILL QUERY during lock wait in FOREIGN KEY check hangs # CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (a INT PRIMARY KEY, FOREIGN KEY (a) REFERENCES t1(a)) ENGINE=InnoDB; connection con1; INSERT INTO t1 SET a=1; BEGIN; DELETE FROM t1; connection default; INSERT INTO t2 SET a=1; connection con1; kill query @id; connection default; ERROR 70100: Query execution was interrupted disconnect con1; DROP TABLE t2,t1; # End of 10.2 tests