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Fix bug #3443, better foreign key error messsages.

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osku@127.(none)
2005-09-23 16:22:27 +03:00
parent f5c00b0dbd
commit d61708d1c9
15 changed files with 274 additions and 25 deletions
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29
mysql-test/r/innodb.result
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@ -1378,9 +1378,9 @@ insert into `t2`values ( 1 ) ;
create table `t3` (`id` int( 11 ) not null default '0',key `id` ( `id` ) ,constraint `t2_id_fk` foreign key ( `id` ) references `t2` (`id` )) engine = innodb;
insert into `t3`values ( 1 ) ;
delete t3,t2,t1 from t1,t2,t3 where t1.id =1 and t2.id = t1.id and t3.id = t2.id;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test/t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`))
update t1,t2,t3 set t3.id=5, t2.id=6, t1.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test/t2`, CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`))
update t3 set t3.id=7 where t1.id =1 and t2.id = t1.id and t3.id = t2.id;
ERROR 42S22: Unknown column 't1.id' in 'where clause'
drop table t3,t2,t1;
@ -1392,7 +1392,7 @@ foreign key(pid) references t1(id) on delete cascade) engine=innodb;
insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6),
(8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14);
delete from t1 where id=0;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test/t1`, CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `t1` (`id`) ON DELETE CASCADE)
delete from t1 where id=15;
delete from t1 where id=0;
drop table t1;
@ -2559,3 +2559,26 @@ FOREIGN KEY (b) REFERENCES test.t1(id)
) ENGINE=InnoDB;
Got one of the listed errors
DROP TABLE t1;
CREATE TABLE t1
(
id INT PRIMARY KEY
) ENGINE=InnoDB;
CREATE TABLE t2
(
v INT,
CONSTRAINT c1 FOREIGN KEY (v) REFERENCES t1(id)
) ENGINE=InnoDB;
INSERT INTO t2 VALUES(2);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test/t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`))
INSERT INTO t1 VALUES(1);
INSERT INTO t2 VALUES(1);
DELETE FROM t1 WHERE id = 1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test/t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`))
DROP TABLE t1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE t1;
SET FOREIGN_KEY_CHECKS=1;
INSERT INTO t2 VALUES(3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test/t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`))
DROP TABLE t2;