DROP DATABASE IF EXISTS mcs74_db;
CREATE DATABASE mcs74_db;
USE mcs74_db;
CREATE TABLE t1(t1_int INT, t1_char CHAR(5), CHECK (t1_int > 0))ENGINE=Columnstore;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `t1_int` int(11) DEFAULT NULL,
  `t1_char` char(5) DEFAULT NULL,
  CONSTRAINT `CONSTRAINT_1` CHECK (`t1_int` > 0)
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
INSERT INTO t1 VALUES(NULL, NULL);
INSERT INTO t1 VALUES(1, 'a');
INSERT INTO t1 VALUES(0, 'b');
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `mcs74_db`.`t1`
INSERT INTO t1 VALUES(-1, 'c');
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `mcs74_db`.`t1`
SELECT * FROM t1;
t1_int	t1_char
NULL	NULL
1	a
CREATE TABLE t2(t1_char CHAR(10), CONSTRAINT c1 CHECK(t1_char = ''))ENGINE=Columnstore;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `t1_char` char(10) DEFAULT NULL,
  CONSTRAINT `c1` CHECK (`t1_char` = '')
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
INSERT INTO t2 VALUES();
INSERT INTO t2 VALUES('');
INSERT INTO t2 VALUES('aaaa');
ERROR 23000: CONSTRAINT `c1` failed for `mcs74_db`.`t2`
SELECT * FROM t2;
t1_char
NULL

CREATE TABLE t3(
t3_decimal DECIMAL(5,2),
t3_blob BLOB,
t3_datetime DATETIME,
CONSTRAINT t3_check_date CHECK(t3_datetime >= '1212-12-12 12:12:12'),
CONSTRAINT t3_check_decimal CHECK(t3_decimal < 888.88),
CONSTRAINT t3_check_blob CHECK(t3_blob = 'aaaa')
)ENGINE=Columnstore;
SHOW CREATE TABLE t3;
Table	Create Table
t3	CREATE TABLE `t3` (
  `t3_decimal` decimal(5,2) DEFAULT NULL,
  `t3_blob` blob DEFAULT NULL,
  `t3_datetime` datetime DEFAULT NULL,
  CONSTRAINT `t3_check_date` CHECK (`t3_datetime` >= '1212-12-12 12:12:12'),
  CONSTRAINT `t3_check_decimal` CHECK (`t3_decimal` < 888.88),
  CONSTRAINT `t3_check_blob` CHECK (`t3_blob` = 'aaaa')
) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
INSERT INTO t3(t3_decimal) VALUES(NULL);
INSERT INTO t3(t3_decimal) VALUES(888.87);
INSERT INTO t3(t3_decimal) VALUES(888.88);
ERROR 23000: CONSTRAINT `t3_check_decimal` failed for `mcs74_db`.`t3`
INSERT INTO t3(t3_decimal) VALUES(888.89);
ERROR 23000: CONSTRAINT `t3_check_decimal` failed for `mcs74_db`.`t3`
INSERT INTO t3(t3_blob) VALUES('');
ERROR 23000: CONSTRAINT `t3_check_blob` failed for `mcs74_db`.`t3`
INSERT INTO t3(t3_blob) VALUES('aaaa');
INSERT INTO t3(t3_blob) VALUES('aaaaa');
ERROR 23000: CONSTRAINT `t3_check_blob` failed for `mcs74_db`.`t3`
INSERT INTO t3(t3_blob) VALUES('aaa');
ERROR 23000: CONSTRAINT `t3_check_blob` failed for `mcs74_db`.`t3`
INSERT INTO t3(t3_datetime) VALUES(NULL);
INSERT INTO t3(t3_datetime) VALUES('0:0:0');
ERROR 23000: CONSTRAINT `t3_check_date` failed for `mcs74_db`.`t3`
INSERT INTO t3(t3_datetime) VALUES('1212-12-12 12:12:12');
INSERT INTO t3(t3_datetime) VALUES('1212-12-12 12:12:13');
INSERT INTO t3(t3_datetime) VALUES('1212-12-12 12:12:11');
ERROR 23000: CONSTRAINT `t3_check_date` failed for `mcs74_db`.`t3`
SELECT * FROM t3;
t3_decimal	t3_blob	t3_datetime
NULL	NULL	NULL
888.87	NULL	NULL
NULL	aaaa	NULL
NULL	NULL	NULL
NULL	NULL	1212-12-12 12:12:12
NULL	NULL	1212-12-12 12:12:13
DROP DATABASE mcs74_db;