# # 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`.`t2` (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 # restart SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency; SET GLOBAL innodb_purge_rseg_truncate_frequency = 1; 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 default character set latin1; 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 con1, localhost, root,,; INSERT INTO t1 SET a=1; BEGIN; DELETE FROM t1; connection default; INSERT INTO t3 SET a=1; connection con1; kill query @id; connection default; ERROR 70100: Query execution was interrupted connection con1; ROLLBACK; connection default; disconnect con1; DROP TABLE t3,t1; # # MDEV-18222 InnoDB: Failing assertion: heap->magic_n == MEM_BLOCK_MAGIC_N # or ASAN heap-use-after-free in dict_foreign_remove_from_cache upon CHANGE COLUMN # CREATE TABLE t1 (a INT, UNIQUE(a), KEY(a)) ENGINE=InnoDB; ALTER TABLE t1 ADD FOREIGN KEY (a) REFERENCES t1 (a); SET SESSION FOREIGN_KEY_CHECKS = OFF; ALTER TABLE t1 CHANGE COLUMN a a TIME NOT NULL; ALTER TABLE t1 ADD pk INT NOT NULL AUTO_INCREMENT PRIMARY KEY; ALTER TABLE t1 CHANGE COLUMN a b TIME; SET SESSION FOREIGN_KEY_CHECKS = ON; DROP TABLE t1; # # MDEV-18256 InnoDB: Failing assertion: heap->magic_n == MEM_BLOCK_MAGIC_N # upon DROP FOREIGN KEY # CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE t2 (b INT PRIMARY KEY, FOREIGN KEY fk1 (b) REFERENCES t1 (a)) ENGINE=InnoDB; ALTER TABLE t2 DROP FOREIGN KEY fk1, DROP FOREIGN KEY fk1; DROP TABLE t2, t1; CREATE TABLE t1 (f VARCHAR(256)) ENGINE=InnoDB; SET SESSION FOREIGN_KEY_CHECKS = OFF; ALTER TABLE t1 ADD FOREIGN KEY (f) REFERENCES non_existing_table (x); SET SESSION FOREIGN_KEY_CHECKS = ON; ALTER TABLE t1 ADD FULLTEXT INDEX ft1 (f); ALTER TABLE t1 ADD FULLTEXT INDEX ft2 (f); DROP TABLE t1; CREATE TABLE t1 (f VARCHAR(256), FTS_DOC_ID BIGINT UNSIGNED PRIMARY KEY) ENGINE=InnoDB; SET SESSION FOREIGN_KEY_CHECKS = OFF; ALTER TABLE t1 ADD FOREIGN KEY (f) REFERENCES non_existing_table (x); SET SESSION FOREIGN_KEY_CHECKS = ON; ALTER TABLE t1 ADD FULLTEXT INDEX ft1 (f); Warnings: Warning 1088 failed to load FOREIGN KEY constraints ALTER TABLE t1 ADD FULLTEXT INDEX ft2 (f); DROP TABLE t1; # # MDEV-18630 Conditional jump or move depends on uninitialised value # in ib_push_warning / dict_create_foreign_constraints_low # CREATE TABLE t1 (a INT) ENGINE=InnoDB; ALTER IGNORE TABLE t1 ADD FOREIGN KEY (a) REFERENCES t2 (b); ERROR HY000: Can't create table `test`.`t1` (errno: 150 "Foreign key constraint is incorrectly formed") SHOW WARNINGS; Level Code Message Warning 150 Alter table `test`.`t1` with foreign key (a) constraint failed. Referenced table `test`.`t2` not found in the data dictionary. Error 1005 Can't create table `test`.`t1` (errno: 150 "Foreign key constraint is incorrectly formed") Warning 1215 Cannot add foreign key constraint for `t1` DROP TABLE t1; # # MDEV-18139 ALTER IGNORE ... ADD FOREIGN KEY causes bogus error # CREATE TABLE t1 (f1 INT, f2 INT, f3 INT, KEY(f1)) ENGINE=InnoDB; CREATE TABLE t2 (f INT, KEY(f)) ENGINE=InnoDB; ALTER TABLE t1 ADD FOREIGN KEY (f2) REFERENCES t2 (f); ALTER IGNORE TABLE t1 ADD FOREIGN KEY (f3) REFERENCES t1 (f1); DROP TABLE t1, t2; CREATE TABLE t1 (a INT, b INT, KEY idx(a)) ENGINE=InnoDB; SET FOREIGN_KEY_CHECKS= OFF; ALTER TABLE t1 ADD FOREIGN KEY (a) REFERENCES tx(x); ALTER TABLE t1 DROP KEY idx; ALTER TABLE t1 CHANGE a c INT; DROP TABLE t1; CREATE TABLE t1 (f1 INT, f2 INT, f3 INT, KEY idx(f1)) ENGINE=InnoDB; ALTER TABLE t1 ADD FOREIGN KEY (f2) REFERENCES t1 (f1); ALTER TABLE t1 ADD COLUMN f INT; SET FOREIGN_KEY_CHECKS= OFF; ALTER TABLE t1 DROP KEY idx; ALTER TABLE t1 ADD KEY idx (f1); SET FOREIGN_KEY_CHECKS= ON; ALTER TABLE t1 DROP f3; ALTER TABLE t1 CHANGE f f3 INT; DROP TABLE t1; SET FOREIGN_KEY_CHECKS=1; # # Bug #19471516 SERVER CRASHES WHEN EXECUTING ALTER TABLE # ADD FOREIGN KEY # CREATE TABLE `department` (`department_id` INT, `department_people_fk` INT, PRIMARY KEY (`department_id`)) engine=innodb; CREATE TABLE `title` (`title_id` INT, `title_manager_fk` INT, `title_reporter_fk` INT, PRIMARY KEY (`title_id`)) engine=innodb; CREATE TABLE `people` (`people_id` INT, PRIMARY KEY (`people_id`)) engine=innodb; ALTER TABLE `department` ADD FOREIGN KEY (`department_people_fk`) REFERENCES `people` (`people_id`); ALTER TABLE `title` ADD FOREIGN KEY (`title_manager_fk`) REFERENCES `people` (`people_id`); ALTER TABLE `title` ADD FOREIGN KEY (`title_reporter_fk`) REFERENCES `people` (`people_id`); drop table title, department, people; create table t1 (a int primary key, b int) engine=innodb; create table t2 (c int primary key, d int, foreign key (d) references t1 (a) on update cascade) engine=innodb; insert t1 values (1,1),(2,2),(3,3); insert t2 values (4,1),(5,2),(6,3); flush table t2 with read lock; connect con1,localhost,root; delete from t1 where a=2; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`d`) REFERENCES `t1` (`a`) ON UPDATE CASCADE) update t1 set a=10 where a=1; connection default; unlock tables; connection con1; connection default; lock table t2 write; connection con1; delete from t1 where a=2; connection default; unlock tables; connection con1; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`d`) REFERENCES `t1` (`a`) ON UPDATE CASCADE) connection default; unlock tables; disconnect con1; create user foo; grant select,update on test.t1 to foo; connect foo,localhost,foo; update t1 set a=30 where a=3; disconnect foo; connection default; select * from t2; c d 5 2 4 10 6 30 drop table t2, t1; drop user foo; # # MDEV-17595 - Server crashes in copy_data_between_tables or # Assertion `thd->transaction.stmt.is_empty() || # (thd->state_flags & Open_tables_state::BACKUPS_AVAIL)' # fails in close_tables_for_reopen upon concurrent # ALTER TABLE and FLUSH # CREATE TABLE t1 (a INT, KEY(a)) ENGINE=InnoDB; INSERT INTO t1 VALUES(1),(2); CREATE TABLE t2 (b INT, KEY(b)) ENGINE=InnoDB; INSERT INTO t2 VALUES(2); ALTER TABLE t2 ADD FOREIGN KEY(b) REFERENCES t1(a), LOCK=EXCLUSIVE; DROP TABLE t2, t1; create table t1 (pk int primary key, data int) engine=innodb; insert t1 values (1,1),(2,2),(3,3); create table t2 (t1_pk int, foreign key (t1_pk) references t1 (pk)) engine=innodb; insert t2 values (1),(2); insert t2 values (10); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`t1_pk`) REFERENCES `t1` (`pk`)) flush tables; flush status; update t1 set data=10 where pk+1>10; show status like '%opened_tab%'; Variable_name Value Opened_table_definitions 4 Opened_tables 4 flush tables; flush status; update t2 set t1_pk=11 where t1_pk+1>10; show status like '%opened_tab%'; Variable_name Value Opened_table_definitions 4 Opened_tables 4 flush tables; flush status; lock tables t1 write; show status like '%opened_tab%'; Variable_name Value Opened_table_definitions 2 Opened_tables 2 insert t1 values (4,4); show status like '%opened_tab%'; Variable_name Value Opened_table_definitions 5 Opened_tables 5 unlock tables; create function foo() returns int begin insert t1 values (5,5); return 5; end| flush tables; flush status; select foo(); foo() 5 show status like '%opened_tab%'; Variable_name Value Opened_table_definitions 5 Opened_tables 5 drop function foo; drop table t2, 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; connection con1; 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 connection con1; ROLLBACK; connection default; DROP TABLE t2,t1; # # MDEV-18272 InnoDB index corruption after failed DELETE CASCADE # CREATE TABLE t1 ( pk TINYINT UNSIGNED AUTO_INCREMENT PRIMARY KEY, a TINYINT UNSIGNED NOT NULL, b TINYINT UNSIGNED NOT NULL, KEY(b), CONSTRAINT FOREIGN KEY (a) REFERENCES t1 (b) ON DELETE CASCADE ) ENGINE=InnoDB; INSERT INTO t1 (a,b) VALUES (0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0), (0,1),(0,1),(1,0); connection con1; START TRANSACTION WITH CONSISTENT SNAPSHOT; connection default; DELETE IGNORE FROM t1 WHERE b = 1; Warnings: Warning 152 InnoDB: Cannot delete/update rows with cascading foreign key constraints that exceed max depth of 20. Please drop extra constraints and try again Warning 1296 Got error 193 '`test`.`t1`, CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`b`) ON DELETE CASCADE' from InnoDB Warning 152 InnoDB: Cannot delete/update rows with cascading foreign key constraints that exceed max depth of 20. Please drop extra constraints and try again Warning 1296 Got error 193 '`test`.`t1`, CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`b`) ON DELETE CASCADE' from InnoDB SELECT a FROM t1 FORCE INDEX(a); a 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 SELECT * FROM t1; pk a b 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 8 0 0 9 0 0 10 0 0 11 0 0 12 0 0 13 0 1 14 0 1 15 1 0 disconnect con1; InnoDB 0 transactions not purged CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK DROP TABLE t1; SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency; # # MDEV-17187 table doesn't exist in engine after ALTER other tables # with CONSTRAINTs # set foreign_key_checks=on; create table t1 (id int not null primary key) engine=innodb; create table t2 (id int not null primary key, fid int not null, CONSTRAINT fk_fid FOREIGN KEY (fid) REFERENCES t1 (id))engine=innodb; insert into t1 values (1), (2), (3); insert into t2 values (1, 1), (2, 1), (3, 2); set foreign_key_checks=off; alter table t2 drop index fk_fid; set foreign_key_checks=on; delete from t1 where id=2; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_fid` FOREIGN KEY (`fid`) REFERENCES `t1` (`id`)) insert into t2 values(4, 99); ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk_fid` FOREIGN KEY (`fid`) REFERENCES `t1` (`id`)) select * from t1; id 1 2 3 select * from t2; id fid 1 1 2 1 3 2 set foreign_key_checks=off; delete from t1 where id=2; insert into t2 values(4, 99); set foreign_key_checks=on; select * from t1; id 1 3 select * from t2; id fid 1 1 2 1 3 2 4 99 show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `id` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `id` int(11) NOT NULL, `fid` int(11) NOT NULL, PRIMARY KEY (`id`), CONSTRAINT `fk_fid` FOREIGN KEY (`fid`) REFERENCES `t1` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 drop table t1,t2; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails drop table t1,t2; ERROR 42S02: Unknown table 'test.t2' # End of 10.2 tests CREATE TABLE t1 (a GEOMETRY, INDEX(a(8)), FOREIGN KEY (a) REFERENCES x (xx)) ENGINE=InnoDB; ERROR HY000: Can't create table `test`.`t1` (errno: 150 "Foreign key constraint is incorrectly formed") # End of 10.4 tests # # MDEV-20729 Fix REFERENCES constraint in column definition # set default_storage_engine= innodb; create table t1 (x int primary key, y int unique); create table t2 (x int references t1(x), y int constraint fk references t1(y)); show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `x` int(11) DEFAULT NULL, `y` int(11) DEFAULT NULL, KEY `x` (`x`), KEY `fk` (`y`), CONSTRAINT `fk` FOREIGN KEY (`y`) REFERENCES `t1` (`y`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`x`) REFERENCES `t1` (`x`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 create table t3 (z int); alter table t3 add x int references t1(x), add y int constraint fk2 references t1(y); show create table t3; Table Create Table t3 CREATE TABLE `t3` ( `z` int(11) DEFAULT NULL, `x` int(11) DEFAULT NULL, `y` int(11) DEFAULT NULL, KEY `x` (`x`), KEY `fk2` (`y`), CONSTRAINT `fk2` FOREIGN KEY (`y`) REFERENCES `t1` (`y`), CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`x`) REFERENCES `t1` (`x`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 drop tables t3, t2, t1; create table t1 (id int primary key); create table t2 (id2 int references t1); ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed") create table t2 (id int references t1); show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `id` int(11) DEFAULT NULL, KEY `id` (`id`), CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 drop tables t2, t1; set default_storage_engine= default; # # MDEV-21690 LeakSanitizer: detected memory leaks in mem_heap_create_block_func # CREATE TABLE t1 (a TEXT, b TEXT) ENGINE=InnoDB; ALTER TABLE t1 ADD FOREIGN KEY (a) REFERENCES t1 (b); ERROR HY000: Can't create table `test`.`t1` (errno: 150 "Foreign key constraint is incorrectly formed") DROP TABLE t1; # End of 10.5 tests # # MDEV-22602 Disable UPDATE CASCADE for SQL constraints # # TODO: enable them after MDEV-16417 is finished create or replace table t1 (a int primary key) engine=innodb; create or replace table t2 (a int, check(a > 0), foreign key(a) references t1(a) on update cascade) engine=innodb; ERROR HY000: Function or expression 'a' cannot be used in the CHECK clause of `CONSTRAINT_1` create or replace table t1 (f1 int, f2 date, f3 date, key(f1,f3,f2)) engine=innodb; create or replace table t2 ( a int, s date, e date, period for p (s, e), primary key (a, p without overlaps), foreign key (a, e, s) references t1 (f1, f3, f2) on delete cascade on update cascade) engine=innodb; ERROR HY000: Key `PRIMARY` cannot have WITHOUT OVERLAPS create or replace table t1 (a varchar(4096) unique) engine=innodb; create or replace table t2 (pk int primary key, a varchar(4096) unique, foreign key(a) references t1(a) on update cascade) engine=innodb; ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed") drop table t1;