mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 13:32:33 +01:00
45f451c769
Both dict_foreign_find_index and dict_foreign_qualify_index did not consider virtual columns as possible foreign key columns and there was assertion to disable virtual columns. Fixed by also looking referencing and referenced column from virtual columns if needed.
86 lines
2.8 KiB
Text
86 lines
2.8 KiB
Text
create or replace table a (
|
|
cola int(10) primary key,
|
|
v_cola int(10) as (cola mod 10) virtual,
|
|
p_cola int(10) as (cola mod 10) persistent
|
|
) engine=innodb;
|
|
create index v_cola on a (v_cola);
|
|
create index p_cola on a (p_cola);
|
|
create or replace table b(
|
|
cola int(10),
|
|
v_cola int(10),
|
|
p_cola int(10),
|
|
c_cola int(10) as (cola + 2) virtual
|
|
) engine=innodb;
|
|
alter table b add constraint `p_cola_fk`
|
|
foreign key (p_cola) references a (p_cola)
|
|
on delete restrict
|
|
on update restrict;
|
|
show warnings;
|
|
Level Code Message
|
|
show create table b;
|
|
Table Create Table
|
|
b CREATE TABLE `b` (
|
|
`cola` int(10) DEFAULT NULL,
|
|
`v_cola` int(10) DEFAULT NULL,
|
|
`p_cola` int(10) DEFAULT NULL,
|
|
`c_cola` int(10) GENERATED ALWAYS AS (`cola` + 2) VIRTUAL,
|
|
KEY `p_cola_fk` (`p_cola`),
|
|
CONSTRAINT `p_cola_fk` FOREIGN KEY (`p_cola`) REFERENCES `a` (`p_cola`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
alter table b add constraint `v_cola_fk`
|
|
foreign key (v_cola) references a (v_cola)
|
|
on delete restrict
|
|
on update restrict;
|
|
show warnings;
|
|
Level Code Message
|
|
show create table b;
|
|
Table Create Table
|
|
b CREATE TABLE `b` (
|
|
`cola` int(10) DEFAULT NULL,
|
|
`v_cola` int(10) DEFAULT NULL,
|
|
`p_cola` int(10) DEFAULT NULL,
|
|
`c_cola` int(10) GENERATED ALWAYS AS (`cola` + 2) VIRTUAL,
|
|
KEY `p_cola_fk` (`p_cola`),
|
|
KEY `v_cola_fk` (`v_cola`),
|
|
CONSTRAINT `p_cola_fk` FOREIGN KEY (`p_cola`) REFERENCES `a` (`p_cola`),
|
|
CONSTRAINT `v_cola_fk` FOREIGN KEY (`v_cola`) REFERENCES `a` (`v_cola`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
alter table b add constraint `c_cola_fk`
|
|
foreign key (c_cola) references a (cola)
|
|
on delete restrict
|
|
on update restrict;
|
|
show warnings;
|
|
Level Code Message
|
|
show create table b;
|
|
Table Create Table
|
|
b CREATE TABLE `b` (
|
|
`cola` int(10) DEFAULT NULL,
|
|
`v_cola` int(10) DEFAULT NULL,
|
|
`p_cola` int(10) DEFAULT NULL,
|
|
`c_cola` int(10) GENERATED ALWAYS AS (`cola` + 2) VIRTUAL,
|
|
KEY `p_cola_fk` (`p_cola`),
|
|
KEY `v_cola_fk` (`v_cola`),
|
|
KEY `c_cola_fk` (`c_cola`),
|
|
CONSTRAINT `c_cola_fk` FOREIGN KEY (`c_cola`) REFERENCES `a` (`cola`),
|
|
CONSTRAINT `p_cola_fk` FOREIGN KEY (`p_cola`) REFERENCES `a` (`p_cola`),
|
|
CONSTRAINT `v_cola_fk` FOREIGN KEY (`v_cola`) REFERENCES `a` (`v_cola`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
|
insert into a(cola) values (12);
|
|
select * from a;
|
|
cola v_cola p_cola
|
|
12 2 2
|
|
insert into b(cola, v_cola, p_cola) values (10,2,2);
|
|
select * from b;
|
|
cola v_cola p_cola c_cola
|
|
10 2 2 12
|
|
insert into b(cola, v_cola, p_cola) values (10,1,1);
|
|
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`b`, CONSTRAINT `p_cola_fk` FOREIGN KEY (`p_cola`) REFERENCES `a` (`p_cola`))
|
|
delete from a;
|
|
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`b`, CONSTRAINT `c_cola_fk` FOREIGN KEY (`c_cola`) REFERENCES `a` (`cola`))
|
|
select * from a;
|
|
cola v_cola p_cola
|
|
12 2 2
|
|
select * from b;
|
|
cola v_cola p_cola c_cola
|
|
10 2 2 12
|
|
drop table b, a;
|