94 lines
2.5 KiB
Plaintext
94 lines
2.5 KiB
Plaintext
-- source include/have_ndb.inc
|
|
|
|
###
|
|
### PK vs PK
|
|
###
|
|
create table parent (
|
|
a int primary key,
|
|
b int not null,
|
|
c int not null,
|
|
unique(b) using hash,
|
|
index(c)) engine = ndb;
|
|
|
|
create table child (
|
|
a int primary key,
|
|
b int not null,
|
|
c int not null,
|
|
unique(b) using hash,
|
|
index(c)) engine = ndb;
|
|
|
|
# Parent pk
|
|
# child pk, uk, oi
|
|
alter table child add constraint fk1 foreign key (a) references parent(a);
|
|
alter table child add constraint fk2 foreign key (b) references parent(a);
|
|
alter table child add constraint fk3 foreign key (c) references parent(a);
|
|
|
|
show create table child;
|
|
|
|
# Parent uk
|
|
# child pk, uk, oi
|
|
alter table child add constraint fk4 foreign key (a) references parent(b);
|
|
alter table child add constraint fk5 foreign key (b) references parent(b);
|
|
alter table child add constraint fk6 foreign key (c) references parent(b);
|
|
|
|
show create table child;
|
|
|
|
# Parent oi
|
|
# child pk, uk, oi
|
|
# not supported
|
|
|
|
# The failing alters spits out warnings, which include the
|
|
# name of the temporary table...which has a random name
|
|
# so disable_result_log :-(
|
|
--disable_result_log
|
|
|
|
--error ER_CANNOT_ADD_FOREIGN
|
|
alter table child algorithm=copy, add constraint fk7 foreign key (a) references parent(c);
|
|
--error ER_CANNOT_ADD_FOREIGN
|
|
alter table child algorithm=copy, add constraint fk8 foreign key (a) references parent(c);
|
|
--error ER_CANNOT_ADD_FOREIGN
|
|
alter table child algorithm=copy, add constraint fk9 foreign key (a) references parent(c);
|
|
|
|
--enable_result_log
|
|
|
|
--error ER_CANNOT_ADD_FOREIGN
|
|
alter table child algorithm=inplace, add constraint fk7 foreign key (a) references parent(c);
|
|
show warnings;
|
|
--error ER_CANNOT_ADD_FOREIGN
|
|
alter table child algorithm=inplace, add constraint fk8 foreign key (a) references parent(c);
|
|
show warnings;
|
|
--error ER_CANNOT_ADD_FOREIGN
|
|
alter table child algorithm=inplace, add constraint fk9 foreign key (a) references parent(c);
|
|
show warnings;
|
|
|
|
drop table child, parent;
|
|
|
|
#
|
|
# Test using SQL
|
|
#
|
|
create table parent (
|
|
a int primary key,
|
|
b int not null,
|
|
c int not null,
|
|
unique(b) using hash,
|
|
index(c)) engine = ndb;
|
|
|
|
create table child (
|
|
a int not null,
|
|
b int not null,
|
|
c int not null,
|
|
primary key (a),
|
|
unique key (b) using hash,
|
|
key (c),
|
|
constraint fk1 foreign key(a) references parent (a),
|
|
constraint fk2 foreign key(b) references parent (a),
|
|
constraint fk3 foreign key(c) references parent (a),
|
|
constraint fk4 foreign key(a) references parent (b),
|
|
constraint fk5 foreign key(b) references parent (b),
|
|
constraint fk6 foreign key(c) references parent (b)
|
|
) engine=ndbcluster;
|
|
|
|
show create table child;
|
|
drop table child, parent;
|
|
|