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Directory :  /www/server/mysql/mysql-test/t/

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Current File : /www/server/mysql/mysql-test/t/constraints.test
#
# 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);

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