mariadb/mysql-test/suite/innodb/t/add_constraint.test
2019-02-05 01:34:17 +01:00

20 lines
576 B
Text

--source include/have_innodb.inc
--echo #
--echo # Bug #20762798 FK DDL: CRASH IN DICT_FOREIGN_REMOVE_FROM_CACHE
--echo #
create table t1(a int, b int, key(a),key(b))engine=innodb;
create table t2(a int, b int, key(a),key(b))engine=innodb;
alter table t2 add constraint b foreign key (b) references t1(a);
alter table t1 add constraint b1 foreign key (b) references t2(a);
--error ER_CANT_CREATE_TABLE
alter table t2 add constraint b1 foreign key (b) references t1(a);
alter table t2 drop foreign key b;
alter table t1 drop foreign key b1;
drop table t2;
drop table t1;