-- source include/have_ndb.inc

create table parent (
  a int primary key auto_increment,
  b int,
  c int,
  unique(b) using hash,
  index(c)) engine = ndb;

create table child (
  a int primary key auto_increment,
  b int,
  c int,
  unique(b) using hash,
  index(c)) engine = ndb;

###
### UK vs UK
###
alter table child add constraint fkname foreign key (b) references parent(b) on delete restrict on update cascade;

insert into parent values (1,1,1), (2,2,2);
insert into child values (1,1,1),(2,2,2);

begin;
update parent set b = 1 where a = 1;
select * from child order by 1,2,3;
rollback;

begin;
update parent set b = null where a = 1;
select * from child order by 1,2,3;
rollback;

begin;
update parent set b = 3 where a = 1;
select * from child order by 1,2,3;
rollback;

delete from child;
delete from parent;

alter table child drop foreign key fkname;

###
### UK vs OI
###
alter table child add constraint fkname foreign key (c) references parent(b) on delete restrict on update cascade;

insert into parent values (1,1,1),(2,2,2);
insert into child values (1,1,1),(2,2,2),(3,3,1),(4,4,2);

begin;
update parent set b = null where a = 1;
select * from child order by 1,2,3;
rollback;

begin;
update parent set b = 3 where a = 1;
select * from child order by 1,2,3;
rollback;

delete from child;
delete from parent;

alter table child drop foreign key fkname;

drop table parent, child;