mariadb/mysql-test/t/constraints.test
Marc Alff dba07c7396 Bug#11714 Non-sensical ALTER TABLE ADD CONSTRAINT allowed
Bug#35578 Parser allows useless/illegal CREATE TABLE syntax
Bug#38696 CREATE TABLE ... CHECK ... allows illegal syntax

Backport from 6.0 to mysql-next-mr.
2010-01-22 19:00:19 -07:00

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1.7 KiB
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#
# Testing of constraints
# Currently MySQL only ignores the syntax.
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (a int check (a>0));
insert into t1 values (1);
insert into t1 values (0);
drop table t1;
create table t1 (a int, b int, check (a>b));
insert into t1 values (1,0);
insert into t1 values (0,1);
drop table t1;
create table t1 (a int ,b int, constraint abc check (a>b));
insert into t1 values (1,0);
insert into t1 values (0,1);
drop table t1;
create table t1 (a int null);
insert into t1 values (1),(NULL);
drop table t1;
create table t1 (a int null);
alter table t1 add constraint constraint_1 unique (a);
alter table t1 add constraint unique key_1(a);
alter table t1 add constraint constraint_2 unique key_2(a);
show create table t1;
drop table t1;
# End of 4.1 tests
#
# Bug#35578 (Parser allows useless/illegal CREATE TABLE syntax)
#
--disable_warnings
drop table if exists t_illegal;
--enable_warnings
--error ER_PARSE_ERROR
create table t_illegal (a int, b int, check a>b);
--error ER_PARSE_ERROR
create table t_illegal (a int, b int, constraint abc check a>b);
--error ER_PARSE_ERROR
create table t_illegal (a int, b int, constraint abc);
#
# Bug#11714 (Non-sensical ALTER TABLE ADD CONSTRAINT allowed)
#
--disable_warnings
drop table if exists t_11714;
--enable_warnings
create table t_11714(a int, b int);
--error ER_PARSE_ERROR
alter table t_11714 add constraint cons1;
drop table t_11714;
#
# Bug#38696 (CREATE TABLE ... CHECK ... allows illegal syntax)
--error ER_PARSE_ERROR
CREATE TABLE t_illegal (col_1 INT CHECK something (whatever));
--error ER_PARSE_ERROR
CREATE TABLE t_illegal (col_1 INT CHECK something);