mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
119 lines
5.7 KiB
Text
119 lines
5.7 KiB
Text
drop table if exists t1,t2;
|
|
create table t1 (
|
|
a int not null references t2,
|
|
b int not null constraint t2_c references t2 (c),
|
|
primary key (a,b),
|
|
foreign key (a) references t3 match full,
|
|
foreign key (a) references t3 match partial,
|
|
foreign key (a,b) references t3 (c,d) on delete no action
|
|
on update no action,
|
|
foreign key (a,b) references t3 (c,d) on update cascade,
|
|
foreign key (a,b) references t3 (c,d) on delete set default,
|
|
foreign key (a,b) references t3 (c,d) on update set null);
|
|
create index a on t1 (a);
|
|
create unique index b on t1 (a,b);
|
|
drop table t1;
|
|
create table t1 (id int primary key) engine = innodb;
|
|
create table t2 (id int PRIMARY KEY, FOREIGN KEY (id) REFERENCES t1(id)) engine=innodb;
|
|
insert into t1 values (1), (2), (3), (4), (5), (6);
|
|
insert into t2 values (3), (5);
|
|
delete from t1;
|
|
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`))
|
|
select * from t1;
|
|
id
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
delete ignore from t1;
|
|
Warnings:
|
|
Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`))
|
|
Warning 1451 Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`id`) REFERENCES `t1` (`id`))
|
|
select row_count();
|
|
row_count()
|
|
-1
|
|
select * from t1;
|
|
id
|
|
3
|
|
5
|
|
drop table t2;
|
|
drop table t1;
|
|
drop table if exists t_34455;
|
|
create table t_34455 (
|
|
a int not null,
|
|
foreign key (a) references t3 (a) match full match partial);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'match partial)' at line 3
|
|
create table t_34455 (
|
|
a int not null,
|
|
foreign key (a) references t3 (a) on delete set default match full);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'match full)' at line 3
|
|
create table t_34455 (
|
|
a int not null,
|
|
foreign key (a) references t3 (a) on update set default match full);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'match full)' at line 3
|
|
create table t_34455 (
|
|
a int not null,
|
|
foreign key (a) references t3 (a)
|
|
on delete set default on delete set default);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'delete set default)' at line 4
|
|
create table t_34455 (
|
|
a int not null,
|
|
foreign key (a) references t3 (a)
|
|
on update set default on update set default);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'update set default)' at line 4
|
|
create table t_34455 (a int not null);
|
|
alter table t_34455
|
|
add foreign key (a) references t3 (a) match full match partial);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'match partial)' at line 2
|
|
alter table t_34455
|
|
add foreign key (a) references t3 (a) on delete set default match full);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'match full)' at line 2
|
|
alter table t_34455
|
|
add foreign key (a) references t3 (a) on update set default match full);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'match full)' at line 2
|
|
alter table t_34455
|
|
add foreign key (a) references t3 (a)
|
|
on delete set default on delete set default);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'delete set default)' at line 3
|
|
alter table t_34455
|
|
add foreign key (a) references t3 (a)
|
|
on update set default on update set default);
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'update set default)' at line 3
|
|
drop table t_34455;
|
|
#
|
|
# MDEV-18460 Don't allow multiple table CONSTRAINTs with the same name.
|
|
#
|
|
CREATE TABLE tpk (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,name VARCHAR(100) NOT NULL) ENGINE=Innodb;
|
|
CREATE TABLE tfk (c1 INT, c2 INT, CONSTRAINT sid UNIQUE (c1), CONSTRAINT sid CHECK (c2>15));
|
|
ERROR HY000: Duplicate CHECK constraint name 'sid'
|
|
CREATE TABLE tfk (c1 INT, c2 INT, CONSTRAINT sid UNIQUE (c1));
|
|
ALTER TABLE tfk ADD CONSTRAINT sid CHECK (c2>15);
|
|
ERROR HY000: Duplicate CHECK constraint name 'sid'
|
|
DROP TABLE tfk;
|
|
CREATE TABLE tfk (c1 INT, c2 INT,
|
|
CONSTRAINT sid FOREIGN KEY (c1) REFERENCES tpk (id)) ENGINE=Innodb;
|
|
show create table tfk;
|
|
Table Create Table
|
|
tfk CREATE TABLE `tfk` (
|
|
`c1` int(11) DEFAULT NULL,
|
|
`c2` int(11) DEFAULT NULL,
|
|
KEY `sid` (`c1`),
|
|
CONSTRAINT `sid` FOREIGN KEY (`c1`) REFERENCES `tpk` (`id`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
|
|
ALTER TABLE tfk ADD CONSTRAINT sid CHECK (c2>15);
|
|
ERROR HY000: Duplicate CHECK constraint name 'sid'
|
|
ALTER TABLE tfk ADD CONSTRAINT sid UNIQUE(c2);
|
|
ERROR 42000: Duplicate key name 'sid'
|
|
DROP TABLE tfk;
|
|
DROP TABLE tpk;
|
|
#
|
|
# MDEV-33223 Assertion `dst_size > 4' failed in size_t Identifier_chain2::make_sep_name_opt_casedn(char*, size_t, int, bool) const
|
|
#
|
|
CREATE DATABASE x;
|
|
USE x;
|
|
CREATE TABLE t (i INT, j INT, CONSTRAINT fk2 FOREIGN KEY(i) REFERENCES p (i)) ENGINE=InnoDB;
|
|
ERROR HY000: Can't create table `x`.`t` (errno: 150 "Foreign key constraint is incorrectly formed")
|
|
DROP DATABASE x;
|
|
USE test;
|