--source include/have_innodb.inc
--echo #
--echo # MDEV-14474: Create INFORMATION_SCHEMA.CHECK_CONSTRAINTS
--echo #

set check_constraint_checks=1;

use test;
create table t0
(
 t int, check (t>32) # table constraint
) ENGINE=myisam;

--vertical_results
SELECT * from information_schema.check_constraints order by check_clause;

ALTER TABLE t0
ADD CONSTRAINT CHK_t0_t CHECK(t<100);

SELECT * from information_schema.check_constraints order by check_clause;

ALTER TABLE t0
DROP CONSTRAINT CHK_t0_t;

SELECT * from information_schema.check_constraints order by check_clause;

CREATE TABLE t1
( t int CHECK(t>2), # field constraint
 tt int, CONSTRAINT CHK_tt CHECK(tt<100) # table constraint
) ENGINE=InnoDB;

SELECT * from information_schema.check_constraints order by check_clause;

ALTER TABLE t1
DROP CONSTRAINT CHK_tt;

SELECT * from information_schema.check_constraints order by check_clause;

create table t2
(
name VARCHAR(30) CHECK(CHAR_LENGTH(name)>2), #field constraint
start_date DATE,
end_date DATE,
CONSTRAINT CHK_dates CHECK(start_date IS NULL) #table constraint
)ENGINE=Innodb;

SELECT * from information_schema.check_constraints order by check_clause;

ALTER TABLE t1
ADD CONSTRAINT CHK_new_ CHECK(t>tt);

SELECT * from information_schema.check_constraints order by check_clause;


# Create table with same field and table check constraint name
create table t3
(
a int,
b int check (b>0), # field constraint named 'b'
CONSTRAINT b check (b>10) # table constraint
) ENGINE=InnoDB;

--horizontal_results
select * from information_schema.check_constraints order by check_clause;

drop table t0;
drop table t1;
drop table t2;
drop table t3;