EVOLUTION-MANAGER

Edit File: innodb-fk-virtual.test

--source include/have_innodb.inc

#
# MDEV-11850: Can't create foreign key referencing a virtual column
#

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;
show create table b;

alter table b add constraint `v_cola_fk`
foreign key (v_cola) references a (v_cola)
on delete restrict
on update restrict;

show warnings;
show create table b;

alter table b add constraint `c_cola_fk`
foreign key (c_cola) references a (cola)
on delete restrict
on update restrict;

show warnings;
show create table b;

#
# Test that fk really works
#

insert into a(cola) values (12);
select * from a;
insert into b(cola, v_cola, p_cola) values (10,2,2);
select * from b;
--error 1452
insert into b(cola, v_cola, p_cola) values (10,1,1);
--error 1451
delete from a;
select * from a;
select * from b;
drop table b, a;