foreign_key.result

#
# 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
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;
#
# 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);
Warnings:
Warning	124	InnoDB rebuilding table to add column FTS_DOC_ID
Warning	1088	failed to load FOREIGN KEY constraints
ALTER TABLE t1 ADD FULLTEXT INDEX ft2 (f);
Warnings:
Warning	1088	failed to load FOREIGN KEY constraints
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/#sql-temporary with foreign key constraint failed. Referenced table `test`.`t2` not found in the data dictionary near 'FOREIGN KEY (a) REFERENCES t2 (b)'.
Error	1005	Can't create table `test`.`t1` (errno: 150 "Foreign key constraint is incorrectly formed")
Warning	1215	Cannot add foreign key constraint
DROP TABLE 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