File: innodb-fk-virtual.test

package info (click to toggle)
mariadb-10.3 1%3A10.3.34-0%2Bdeb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 531,600 kB
  • sloc: cpp: 1,415,326; ansic: 917,243; perl: 58,570; sh: 43,538; pascal: 39,206; java: 33,919; yacc: 32,096; javascript: 15,655; python: 10,576; ruby: 8,684; xml: 5,957; makefile: 4,893; sql: 3,750; asm: 841; lex: 670; php: 22; awk: 20; sed: 16
file content (61 lines) | stat: -rw-r--r-- 1,247 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
--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;