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Merge 10.2 into 10.3

This commit is contained in:
Marko Mäkelä
2019-08-21 15:23:45 +03:00
50 changed files with 1382 additions and 334 deletions

View File

@ -161,3 +161,62 @@ c d
6 30
drop table t2, t1;
drop user foo;
#
# 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'