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set default_storage_engine=innodb;
create table t1 (id int primary key, id2 int as (id) virtual, key id2 (id2));
create table t2 (id int key, constraint fk_id foreign key (id) references t1 (id) on delete cascade);
insert into t1 (id) values (1), (2);
insert into t2 (id) values (1), (2);
delete from t1;
select * from t1;
id id2
select * from t2;
id
drop table t2;
drop table t1;
#
# End of 10.2 tests
#
#
# MDEV-18114 Foreign Key Constraint actions don't affect Virtual Column
#
create table t1 (id int primary key);
create or replace table t2 (id int, id2 int as (id) virtual, key(id2), foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int as (id) virtual, key(id2), foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int as (id) virtual, key(id2), foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int as (id) virtual, key(id2), foreign key (id) references t1 (id) on update cascade);
create or replace table t2 (id int, id2 int as (id) virtual, key(id2), foreign key (id) references t1 (id) on delete set null);
create or replace table t2 (id int, id2 int as (id) virtual, key(id2), foreign key (id) references t1 (id) on update set null);
create or replace table t2 (id int, id2 int as (id) stored, foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int as (id) stored, foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int as (id) stored, foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int as (id) stored, foreign key (id) references t1 (id) on update cascade);
ERROR HY000: Function or expression 'id' cannot be used in the GENERATED ALWAYS AS clause of `id2`
create or replace table t2 (id int, id2 int as (id) stored, foreign key (id) references t1 (id) on delete set null);
ERROR HY000: Function or expression 'id' cannot be used in the GENERATED ALWAYS AS clause of `id2`
create or replace table t2 (id int, id2 int as (id) stored, foreign key (id) references t1 (id) on update set null);
ERROR HY000: Function or expression 'id' cannot be used in the GENERATED ALWAYS AS clause of `id2`
create or replace table t2 (id int, id2 int as (id) virtual, id3 int as (id2) stored, foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int as (id) virtual, id3 int as (id2) stored, foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int as (id) virtual, id3 int as (id2) stored, foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int as (id) virtual, id3 int as (id2) stored, foreign key (id) references t1 (id) on update cascade);
ERROR HY000: Function or expression 'id2' cannot be used in the GENERATED ALWAYS AS clause of `id3`
create or replace table t2 (id int, id2 int as (id) virtual, id3 int as (id2) stored, foreign key (id) references t1 (id) on delete set null);
ERROR HY000: Function or expression 'id2' cannot be used in the GENERATED ALWAYS AS clause of `id3`
create or replace table t2 (id int, id2 int as (id) virtual, id3 int as (id2) stored, foreign key (id) references t1 (id) on update set null);
ERROR HY000: Function or expression 'id2' cannot be used in the GENERATED ALWAYS AS clause of `id3`
create or replace table t2 (id int, id2 int default (id), foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int default (id), foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int default (id), foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int default (id), foreign key (id) references t1 (id) on update cascade);
create or replace table t2 (id int, id2 int default (id), foreign key (id) references t1 (id) on delete set null);
create or replace table t2 (id int, id2 int default (id), foreign key (id) references t1 (id) on update set null);
create or replace table t2 (id int, id2 int check (id), foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int check (id), foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int check (id), foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int check (id), foreign key (id) references t1 (id) on update cascade);
ERROR HY000: Function or expression 'id' cannot be used in the CHECK clause of `id2`
create or replace table t2 (id int, id2 int check (id), foreign key (id) references t1 (id) on delete set null);
ERROR HY000: Function or expression 'id' cannot be used in the CHECK clause of `id2`
create or replace table t2 (id int, id2 int check (id), foreign key (id) references t1 (id) on update set null);
ERROR HY000: Function or expression 'id' cannot be used in the CHECK clause of `id2`
create or replace table t2 (id int, id2 int, check (id), foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int, check (id), foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int, check (id), foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int, check (id), foreign key (id) references t1 (id) on update cascade);
ERROR HY000: Function or expression 'id' cannot be used in the CHECK clause of `CONSTRAINT_1`
create or replace table t2 (id int, id2 int, check (id), foreign key (id) references t1 (id) on delete set null);
ERROR HY000: Function or expression 'id' cannot be used in the CHECK clause of `CONSTRAINT_1`
create or replace table t2 (id int, id2 int, check (id), foreign key (id) references t1 (id) on update set null);
ERROR HY000: Function or expression 'id' cannot be used in the CHECK clause of `CONSTRAINT_1`
create or replace table t2 (id int, id2 int as (id) virtual, check (id2), foreign key (id) references t1 (id) on update restrict);
create or replace table t2 (id int, id2 int as (id) virtual, check (id2), foreign key (id) references t1 (id) on update no action);
create or replace table t2 (id int, id2 int as (id) virtual, check (id2), foreign key (id) references t1 (id) on delete cascade);
create or replace table t2 (id int, id2 int as (id) virtual, check (id2), foreign key (id) references t1 (id) on update cascade);
ERROR HY000: Function or expression 'id2' cannot be used in the CHECK clause of `CONSTRAINT_1`
create or replace table t2 (id int, id2 int as (id) virtual, check (id2), foreign key (id) references t1 (id) on delete set null);
ERROR HY000: Function or expression 'id2' cannot be used in the CHECK clause of `CONSTRAINT_1`
create or replace table t2 (id int, id2 int as (id) virtual, check (id2), foreign key (id) references t1 (id) on update set null);
ERROR HY000: Function or expression 'id2' cannot be used in the CHECK clause of `CONSTRAINT_1`
drop table if exists t2, t1;
Warnings:
Note 1051 Unknown table 'test.t2'
#
# MDEV-31853 Assertion failure in Column_definition::check_vcol_for_key upon adding FK
#
create table t (a int, b int, c int generated always as (a), key(b), key(c));
alter table t add foreign key (a) references t (b) on update set null, algorithm=nocopy;
ERROR 0A000: ALGORITHM=NOCOPY is not supported. Reason: Adding foreign keys needs foreign_key_checks=OFF. Try ALGORITHM=COPY
alter table t add foreign key (a) references t (b);
show create table t;
Table Create Table
t CREATE TABLE `t` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) GENERATED ALWAYS AS (`a`) VIRTUAL,
KEY `b` (`b`),
KEY `c` (`c`),
KEY `a` (`a`),
CONSTRAINT `t_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t` (`b`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t;
#
# End of 10.5 tests
#
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