217 lines
4.9 KiB
Plaintext
217 lines
4.9 KiB
Plaintext
-- source include/have_ndb.inc
|
|
|
|
###
|
|
### PK vs PK
|
|
###
|
|
create table parent (
|
|
a int primary key auto_increment,
|
|
b int not null,
|
|
c int not null,
|
|
unique(b) using hash,
|
|
index(c)) engine = ndb;
|
|
|
|
create table child (
|
|
a int primary key auto_increment,
|
|
b int not null,
|
|
c int not null,
|
|
unique(b) using hash,
|
|
index(c)) engine = ndb;
|
|
|
|
create table blobchild (
|
|
a int primary key auto_increment,
|
|
b int not null,
|
|
c int not null,
|
|
d text,
|
|
unique(b) using hash,
|
|
index(c)) engine = ndb;
|
|
|
|
--error 1215
|
|
alter table blobchild add constraint fkbad foreign key(a) references parent (a) on delete cascade on update restrict;
|
|
show warnings;
|
|
|
|
alter table child add constraint fkname foreign key (a) references parent (a) on delete cascade on update restrict;
|
|
|
|
insert into parent values (1,1,1),(2,2,2);
|
|
insert into child values (1,1,1),(2,2,2);
|
|
|
|
--error 1452
|
|
insert into child values (3,3,3);
|
|
|
|
begin;
|
|
delete from parent where a = 1;
|
|
select * from child order by 1,2,3;
|
|
commit;
|
|
|
|
delete from child;
|
|
delete from parent;
|
|
|
|
alter table child drop foreign key fkname;
|
|
|
|
###
|
|
### PK vs UK
|
|
###
|
|
--error 1215
|
|
alter table blobchild add constraint fkbad foreign key(b) references parent (a) on delete cascade on update restrict;
|
|
show warnings;
|
|
|
|
alter table child add constraint fkname foreign key (b) references parent (a) on delete cascade on update restrict;
|
|
|
|
insert into parent values (1,1,1),(2,2,2);
|
|
insert into child values (1,1,1),(2,2,2);
|
|
|
|
--error 1452
|
|
insert into child values (3,3,3);
|
|
|
|
--error 1452
|
|
update child set b = 3 where a = 1;
|
|
|
|
begin;
|
|
delete from parent where a = 1;
|
|
select * from child order by 1,2,3;
|
|
commit;
|
|
|
|
delete from child;
|
|
delete from parent;
|
|
|
|
alter table child drop foreign key fkname;
|
|
|
|
###
|
|
### UK vs PK
|
|
###
|
|
--error 1215
|
|
alter table blobchild add constraint fkbad foreign key(a) references parent (b) on delete cascade on update restrict;
|
|
show warnings;
|
|
|
|
alter table child add constraint fkname foreign key (a) references parent (b) on delete cascade on update restrict;
|
|
|
|
insert into parent values (1,1,1),(2,2,2);
|
|
insert into child values (1,1,1),(2,2,2);
|
|
|
|
--error 1452
|
|
insert into child values (3,3,3);
|
|
|
|
--error 1451
|
|
update parent set b = 3 where a = 1;
|
|
|
|
begin;
|
|
delete from parent where a = 1;
|
|
select * from child order by 1,2,3;
|
|
commit;
|
|
|
|
delete from child;
|
|
delete from parent;
|
|
|
|
alter table child drop foreign key fkname;
|
|
|
|
###
|
|
### UK vs UK
|
|
###
|
|
--error 1215
|
|
alter table blobchild add constraint fkbad foreign key(b) references parent (b) on delete cascade on update restrict;
|
|
show warnings;
|
|
|
|
alter table child add constraint fkname foreign key (b) references parent (b) on delete cascade on update restrict;
|
|
|
|
insert into parent values (1,1,1),(2,2,2);
|
|
insert into child values (1,1,1),(2,2,2);
|
|
|
|
--error 1452
|
|
update child set b = 3 where a = 1;
|
|
|
|
--error 1452
|
|
insert into child values (3,3,3);
|
|
|
|
--error 1451
|
|
update parent set b = 3 where a = 1;
|
|
|
|
begin;
|
|
delete from parent where a = 1;
|
|
select * from child order by 1,2,3;
|
|
commit;
|
|
|
|
delete from child;
|
|
delete from parent;
|
|
|
|
alter table child drop foreign key fkname;
|
|
|
|
###
|
|
### PK vs OI
|
|
###
|
|
--error 1215
|
|
alter table blobchild add constraint fkbad foreign key(c) references parent (a) on delete cascade on update restrict;
|
|
show warnings;
|
|
|
|
alter table child add constraint fkname foreign key (c) references parent (a) on delete cascade on update restrict;
|
|
|
|
insert into parent values (1,1,1),(2,2,2);
|
|
insert into child values (1,1,1),(2,2,2);
|
|
|
|
--error 1452
|
|
update child set c = 3 where a = 1;
|
|
|
|
--error 1452
|
|
insert into child values (3,3,3);
|
|
|
|
begin;
|
|
delete from parent where a = 1;
|
|
select * from child order by 1,2,3;
|
|
commit;
|
|
|
|
delete from child;
|
|
delete from parent;
|
|
|
|
alter table child drop foreign key fkname;
|
|
|
|
###
|
|
### UK vs OI
|
|
###
|
|
--error 1215
|
|
alter table blobchild add constraint fkbad foreign key(c) references parent (b) on delete cascade on update restrict;
|
|
show warnings;
|
|
|
|
alter table child add constraint fkname foreign key (c) references parent (b) on delete cascade on update restrict;
|
|
|
|
insert into parent values (1,1,1),(2,2,2);
|
|
insert into child values (1,1,1),(2,2,2);
|
|
|
|
--error 1452
|
|
update child set c = 3 where a = 1;
|
|
|
|
--error 1452
|
|
insert into child values (3,3,3);
|
|
|
|
--error 1451
|
|
update parent set b = 3 where a = 1;
|
|
|
|
begin;
|
|
delete from parent where a = 1;
|
|
select * from child order by 1,2,3;
|
|
commit;
|
|
|
|
###
|
|
#
|
|
# test with a few more rows
|
|
insert into parent values (1,1,1);
|
|
insert into child values (1,1,1);
|
|
insert into child select a+2,a+2,1+(a % 2) from child;
|
|
insert into child select a+4,a+4,1+(a % 2) from child;
|
|
insert into child select a+8,a+8,1+(a % 2) from child;
|
|
insert into child select a+16,a+16,1+(a % 2) from child;
|
|
insert into child select a+32,a+32,1+(a % 2) from child;
|
|
insert into child select a+64,a+64,1+(a % 2) from child;
|
|
select c, count(*) from child
|
|
group by c
|
|
order by 1,2;
|
|
delete from parent where a = 1;
|
|
select c, count(*) from child
|
|
group by c
|
|
order by 1,2;
|
|
delete from parent where a = 2;
|
|
|
|
delete from child;
|
|
delete from parent;
|
|
|
|
alter table child drop foreign key fkname;
|
|
|
|
drop table parent, child, blobchild;
|