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https://github.com/MariaDB/server.git
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110 lines
5.3 KiB
Text
110 lines
5.3 KiB
Text
drop table if exists t1,t2;
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create table t1 (
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a int not null references t2,
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b int not null constraint t2_c references t2 (c),
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primary key (a,b),
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foreign key (a) references t3 match full,
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foreign key (a) references t3 match partial,
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foreign key (a,b) references t3 (c,d) on delete no action
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on update no action,
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foreign key (a,b) references t3 (c,d) on update cascade,
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foreign key (a,b) references t3 (c,d) on delete set default,
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foreign key (a,b) references t3 (c,d) on update set null);
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create index a on t1 (a);
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create unique index b on t1 (a,b);
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drop table t1;
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create table t1 (id int primary key) engine = innodb;
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create table t2 (id int PRIMARY KEY, FOREIGN KEY (id) REFERENCES t1(id)) engine=innodb;
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insert into t1 values (1), (2), (3), (4), (5), (6);
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insert into t2 values (3), (5);
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delete from t1;
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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`))
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select * from t1;
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id
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1
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2
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3
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4
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5
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6
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delete ignore from t1;
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Warnings:
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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`))
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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`))
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select row_count();
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row_count()
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-1
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select * from t1;
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id
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3
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5
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drop table t2;
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drop table t1;
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drop table if exists t_34455;
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create table t_34455 (
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a int not null,
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foreign key (a) references t3 (a) match full match partial);
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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
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create table t_34455 (
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a int not null,
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foreign key (a) references t3 (a) on delete set default match full);
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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
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create table t_34455 (
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a int not null,
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foreign key (a) references t3 (a) on update set default match full);
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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
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create table t_34455 (
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a int not null,
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foreign key (a) references t3 (a)
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on delete set default on delete set default);
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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
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create table t_34455 (
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a int not null,
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foreign key (a) references t3 (a)
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on update set default on update set default);
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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
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create table t_34455 (a int not null);
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alter table t_34455
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add foreign key (a) references t3 (a) match full match partial);
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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
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alter table t_34455
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add foreign key (a) references t3 (a) on delete set default match full);
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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
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alter table t_34455
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add foreign key (a) references t3 (a) on update set default match full);
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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
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alter table t_34455
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add foreign key (a) references t3 (a)
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on delete set default on delete set default);
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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
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alter table t_34455
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add foreign key (a) references t3 (a)
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on update set default on update set default);
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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
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drop table t_34455;
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#
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# MDEV-18460 Don't allow multiple table CONSTRAINTs with the same name.
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#
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CREATE TABLE tpk (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,name VARCHAR(100) NOT NULL) ENGINE=Innodb;
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CREATE TABLE tfk (c1 INT, c2 INT, CONSTRAINT sid UNIQUE (c1), CONSTRAINT sid CHECK (c2>15));
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ERROR HY000: Duplicate CHECK constraint name 'sid'
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CREATE TABLE tfk (c1 INT, c2 INT, CONSTRAINT sid UNIQUE (c1));
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ALTER TABLE tfk ADD CONSTRAINT sid CHECK (c2>15);
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ERROR HY000: Duplicate CHECK constraint name 'sid'
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DROP TABLE tfk;
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CREATE TABLE tfk (c1 INT, c2 INT,
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CONSTRAINT sid FOREIGN KEY (c1) REFERENCES tpk (id)) ENGINE=Innodb;
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show create table tfk;
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Table Create Table
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tfk CREATE TABLE `tfk` (
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`c1` int(11) DEFAULT NULL,
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`c2` int(11) DEFAULT NULL,
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KEY `sid` (`c1`),
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CONSTRAINT `sid` FOREIGN KEY (`c1`) REFERENCES `tpk` (`id`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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ALTER TABLE tfk ADD CONSTRAINT sid CHECK (c2>15);
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ERROR HY000: Duplicate CHECK constraint name 'sid'
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ALTER TABLE tfk ADD CONSTRAINT sid UNIQUE(c2);
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ERROR 42000: Duplicate key name 'sid'
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DROP TABLE tfk;
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DROP TABLE tpk;
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