create table t1 (a int check (a>0));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL CHECK (`a` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values (1);
insert into t1 values (0);
ERROR 23000: CONSTRAINT `t1.a` failed for `test`.`t1`
drop table t1;
create table t1 (a int, b int, check (a>b));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `CONSTRAINT_1` CHECK (`a` > `b`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values (1,0);
insert into t1 values (0,1);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
drop table t1;
create table t1 (a int ,b int, constraint abc check (a>b));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `abc` CHECK (`a` > `b`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values (1,0);
insert into t1 values (0,1);
ERROR 23000: CONSTRAINT `abc` failed for `test`.`t1`
drop table t1;
create table t1 (a int null);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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);
Warnings:
Note	1831	Duplicate index `key_1`. This is deprecated and will be disallowed in a future release
alter table t1 add constraint constraint_2 unique key_2(a);
Warnings:
Note	1831	Duplicate index `key_2`. This is deprecated and will be disallowed in a future release
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  UNIQUE KEY `constraint_1` (`a`),
  UNIQUE KEY `key_1` (`a`),
  UNIQUE KEY `key_2` (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
drop table if exists t_illegal;
create table t_illegal (a int, b int, check a>b);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a>b)' at line 1
create table t_illegal (a int, b int, constraint abc check a>b);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a>b)' at line 1
create table t_illegal (a int, b int, constraint abc);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1
drop table if exists t_11714;
create table t_11714(a int, b int);
alter table t_11714 add constraint cons1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
drop table t_11714;
CREATE TABLE t_illegal (col_1 INT CHECK something (whatever));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'something (whatever))' at line 1
CREATE TABLE t_illegal (col_1 INT CHECK something);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'something)' at line 1
CREATE TABLE long_enough_name (
pk int(11) NOT NULL,
f1 int(11) DEFAULT NULL,
f2 int(11) NOT NULL,
f3 int(11) DEFAULT NULL,
f4 timestamp NOT NULL DEFAULT current_timestamp(),
f5 varchar(32) COLLATE utf8_bin NOT NULL DEFAULT 'foo',
f6 smallint(6) NOT NULL DEFAULT 1,
f7 int(11) DEFAULT NULL,
PRIMARY KEY (pk),
KEY idx1 (f7),
KEY idx2 (f1),
KEY idx3 (f2),
KEY idx4 (f3),
CONSTRAINT constr CHECK (f6 >= 0)
);
SELECT * FROM long_enough_name AS tbl;
pk	f1	f2	f3	f4	f5	f6	f7
SHOW CREATE TABLE long_enough_name;
Table	Create Table
long_enough_name	CREATE TABLE `long_enough_name` (
  `pk` int(11) NOT NULL,
  `f1` int(11) DEFAULT NULL,
  `f2` int(11) NOT NULL,
  `f3` int(11) DEFAULT NULL,
  `f4` timestamp NOT NULL DEFAULT current_timestamp(),
  `f5` varchar(32) CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NOT NULL DEFAULT 'foo',
  `f6` smallint(6) NOT NULL DEFAULT 1,
  `f7` int(11) DEFAULT NULL,
  PRIMARY KEY (`pk`),
  KEY `idx1` (`f7`),
  KEY `idx2` (`f1`),
  KEY `idx3` (`f2`),
  KEY `idx4` (`f3`),
  CONSTRAINT `constr` CHECK (`f6` >= 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE long_enough_name;
CREATE TABLE test.t(t int COMMENT 't_comment' CHECK(t>0));
SHOW CREATE TABLE test.t;
Table	Create Table
t	CREATE TABLE `t` (
  `t` int(11) DEFAULT NULL COMMENT 't_comment' CHECK (`t` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP table test.t;
SET @OLD_SQL_MODE=@@SQL_MODE;
SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS';
CREATE TABLE test.t (f int foo=bar check(f>0));
Warnings:
Warning	1911	Unknown option 'foo'
SHOW CREATE TABLE t;
Table	Create Table
t	CREATE TABLE `t` (
  `f` int(11) DEFAULT NULL `foo`=bar CHECK (`f` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP table test.t;
SET @@SQL_MODE=@OLD_SQL_MODE;
#
# MDEV-16932 - ASAN heap-use-after-free in my_charlen_utf8 /
# my_well_formed_char_length_utf8 on 2nd execution of SP with
# ALTER trying to add bad CHECK
#
CREATE TABLE t1 (a INT);
CREATE PROCEDURE sp() ALTER TABLE t1 ADD CONSTRAINT CHECK (b > 0);
CALL sp;
ERROR 42S22: Unknown column 'b' in 'CHECK'
CALL sp;
ERROR 42S22: Unknown column 'b' in 'CHECK'
CALL sp;
ERROR 42S22: Unknown column 'b' in 'CHECK'
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
alter table t1 add column b int;
CALL sp;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `CONSTRAINT_1` CHECK (`b` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
CALL sp;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `CONSTRAINT_1` CHECK (`b` > 0),
  CONSTRAINT `CONSTRAINT_2` CHECK (`b` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP PROCEDURE sp;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
CREATE PROCEDURE sp() ALTER TABLE t1 ADD CONSTRAINT CHECK (b > 0);
CALL sp;
ERROR 42S22: Unknown column 'b' in 'CHECK'
alter table t1 add column b int, add constraint check (b < 10);
CALL sp;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `CONSTRAINT_1` CHECK (`b` < 10),
  CONSTRAINT `CONSTRAINT_2` CHECK (`b` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP PROCEDURE sp;
DROP TABLE t1;
#
# End of 10.2 tests
#
create table t1 (a int check (a>10)) select 100 as 'a';
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL CHECK (`a` > 10)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 (a text default(length(now())) check (length(a) > 1));
insert into t1 values ();
insert into t1 values ("ccc");
insert into t1 values ("");
ERROR 23000: CONSTRAINT `t1.a` failed for `test`.`t1`
select * from t1;
a
19
ccc
drop table t1;
create table t1 (a int, b int);
create procedure sp() alter table t1 add constraint if not exists foo check (b > 0);
call sp;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `foo` CHECK (`b` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
call sp;
Warnings:
Note	1826	Duplicate CHECK constraint name 'foo'
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `foo` CHECK (`b` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
call sp;
Warnings:
Note	1826	Duplicate CHECK constraint name 'foo'
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  CONSTRAINT `foo` CHECK (`b` > 0)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop procedure sp;
drop table t1;
#
# MDEV-33768: Memory leak found in the test main.constraints run with --ps-protocol against a server built with the option -DWITH_PROTECT_STATEMENT_MEMROOT
# This test case was added by reviewer's request.
#
PREPARE stmt FROM 'CREATE TABLE t1 (a INT)';
EXECUTE stmt;
DROP TABLE t1;
EXECUTE stmt;
EXECUTE stmt;
ERROR 42S01: Table 't1' already exists
# Clean up
DROP TABLE t1;
DEALLOCATE PREPARE stmt;
