-- source include/have_ndb.inc

connect (con1,localhost,root,,test);
connect (con2,localhost,root,,test);

###
### PK vs PK
###
create table parent (
  a int not null,
  b int not null,
  c int not null,
  primary key (a,b),
  unique(b,c) using hash,
  index(c,a)) engine = ndb;

create table child (
  a int not null,
  b int not null,
  c int not null,
  primary key (b,a),
  unique(c,b) using hash,
  index(c,a)) engine = ndb;

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

alter table child add constraint fkname foreign key (c,a) references parent(a,b) on delete restrict on update restrict;

--error ER_NO_REFERENCED_ROW_2
insert into child values (2,1,2);
--error ER_NO_REFERENCED_ROW_2
insert into child values (1,1,1);

insert into child values (2,1,1);
--error ER_ROW_IS_REFERENCED_2
delete from parent;

delete from child;
alter table child drop foreign key fkname;

alter table child add constraint fkname foreign key (b,a) references parent(a,b) on delete restrict on update restrict;

--error ER_NO_REFERENCED_ROW_2
insert into child values (1,2,2);
--error ER_NO_REFERENCED_ROW_2
insert into child values (2,3,1);

insert into child values (2,1,1);
--error ER_ROW_IS_REFERENCED_2
delete from parent;

delete from child;
alter table child drop foreign key fkname;

alter table child add constraint fkname foreign key (c,b) references parent(a,b) on delete restrict on update restrict;

--error ER_NO_REFERENCED_ROW_2
insert into child values (1,2,2);
--error ER_NO_REFERENCED_ROW_2
insert into child values (2,3,1);

insert into child values (2,2,1);
--error ER_ROW_IS_REFERENCED_2
delete from parent;

drop table child, parent;

--echo #
--echo # Bug#21664899 : FAILURE CREATING COMPOSITE FKS REFERENCING COMPOSITE PKS OF PARENT
--echo #

--echo #create table t1
create table t1 (
  a int not null,
  b int not null,
  c int not null,
  primary key pk1(a,b)
) engine=ndbcluster;

--echo #create t2 with a unique key on single column
create table t2 (
  a int not null,
  b int not null,
  c int not null,
  unique key uniquet2a(a),
  constraint fkt2ab foreign key (a,b) references t1(a,b)
) engine=ndbcluster;

--echo #verify the presence of uniquet2a, fkt2ab & and an extra key for fkt2ab
--disable_warnings
show create table t2;
--enable_warnings
alter table t2 drop key uniquet2a;

--echo #alter add a unique constraint on single key
alter table t2 add constraint uniquet2a unique (a);
--echo #verify the presence of uniquet2a, fkt2ab & and an extra key for fkt2ab
--disable_warnings
show create table t2;
--enable_warnings

--echo #alter add a unique constraint on all cols in fk
alter table t2 add constraint uniquet2ab unique (a,b);
--echo #verify the presence of uniquet2a, uniquet2ab, fkt2ab. no extra key for fkt2ab
--disable_warnings
show create table t2;
--enable_warnings

--echo #try adding fk(a,b,c) referring t1(a,b,c), it should fail without parent index.
--error ER_FK_NO_INDEX_PARENT
alter table t2 add constraint fkt2abc foreign key (a,b,c) references t1(a,b,c);

--echo #now add a unique key but on a different column order and try again
alter table t1 add constraint uniquet1abc unique (c,a,b);
alter table t2 add constraint fkt2abc foreign key (a,b,c) references t1(a,b,c);
--echo #verify the presence of new fk
--disable_warnings
show create table t2;
--enable_warnings

--echo #cleanup
drop table t2, t1;