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Directory :  /www/server/mysql/src/mysql-test/suite/ndb/r/

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Current File : /www/server/mysql/src/mysql-test/suite/ndb/r/ndb_fk_cascade_delete.result
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;
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);
insert into child values (3,3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
begin;
delete from parent where a = 1;
select * from child order by 1,2,3;
a	b	c
2	2	2
commit;
delete from child;
delete from parent;
alter table child drop foreign key fkname;
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);
insert into child values (3,3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
update child set b = 3 where a = 1;
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
begin;
delete from parent where a = 1;
select * from child order by 1,2,3;
a	b	c
2	2	2
commit;
delete from child;
delete from parent;
alter table child drop foreign key fkname;
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);
insert into child values (3,3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
update parent set b = 3 where a = 1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (Unknown error code)
begin;
delete from parent where a = 1;
select * from child order by 1,2,3;
a	b	c
2	2	2
commit;
delete from child;
delete from parent;
alter table child drop foreign key fkname;
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);
update child set b = 3 where a = 1;
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
insert into child values (3,3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
update parent set b = 3 where a = 1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (Unknown error code)
begin;
delete from parent where a = 1;
select * from child order by 1,2,3;
a	b	c
2	2	2
commit;
delete from child;
delete from parent;
alter table child drop foreign key fkname;
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);
update child set c = 3 where a = 1;
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
insert into child values (3,3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
begin;
delete from parent where a = 1;
select * from child order by 1,2,3;
a	b	c
2	2	2
commit;
delete from child;
delete from parent;
alter table child drop foreign key fkname;
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);
update child set c = 3 where a = 1;
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
insert into child values (3,3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
update parent set b = 3 where a = 1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (Unknown error code)
begin;
delete from parent where a = 1;
select * from child order by 1,2,3;
a	b	c
2	2	2
commit;
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;
c	count(*)
1	64
2	64
delete from parent where a = 1;
select c, count(*) from child
group by c
order by 1,2;
c	count(*)
2	64
delete from parent where a = 2;
delete from child;
delete from parent;
alter table child drop foreign key fkname;
drop table parent, child;

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