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set @save_check_constraint=@@check_constraint_checks;
create table t1 (a int check(a>10), b int check (b > 20), constraint `min` check (a+b > 100), constraint `max` check (a+b <500)) engine=myisam;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL CHECK (`a` > 10),
`b` int(11) DEFAULT NULL CHECK (`b` > 20),
CONSTRAINT `min` CHECK (`a` + `b` > 100),
CONSTRAINT `max` CHECK (`a` + `b` < 500)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values (100,100);
insert into t1 values (1,1);
ERROR 23000: CONSTRAINT `t1.a` failed for `test`.`t1`
insert into t1 values (20,1);
ERROR 23000: CONSTRAINT `t1.b` failed for `test`.`t1`
insert into t1 values (20,30);
ERROR 23000: CONSTRAINT `min` failed for `test`.`t1`
insert into t1 values (500,500);
ERROR 23000: CONSTRAINT `max` failed for `test`.`t1`
insert into t1 values (101,101),(102,102),(600,600),(103,103);
ERROR 23000: CONSTRAINT `max` failed for `test`.`t1`
select * from t1;
a b
100 100
101 101
102 102
truncate table t1;
insert ignore into t1 values (101,101),(102,102),(600,600),(103,103);
Warnings:
Warning 4025 CONSTRAINT `max` failed for `test`.`t1`
select * from t1;
a b
101 101
102 102
103 103
set check_constraint_checks=0;
truncate table t1;
insert into t1 values (101,101),(102,102),(600,600),(103,103);
select * from t1;
a b
101 101
102 102
600 600
103 103
set check_constraint_checks=@save_check_constraint;
alter table t1 add c int default 0 check (c < 10);
ERROR 23000: CONSTRAINT `max` failed for `test`.`t1`
set check_constraint_checks=0;
alter table t1 add c int default 0 check (c < 10);
alter table t1 add check (a+b+c < 500);
set check_constraint_checks=@save_check_constraint;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL CHECK (`a` > 10),
`b` int(11) DEFAULT NULL CHECK (`b` > 20),
`c` int(11) DEFAULT 0 CHECK (`c` < 10),
CONSTRAINT `min` CHECK (`a` + `b` > 100),
CONSTRAINT `max` CHECK (`a` + `b` < 500),
CONSTRAINT `CONSTRAINT_1` CHECK (`a` + `b` + `c` < 500)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values(105,105,105);
ERROR 23000: CONSTRAINT `t1.c` failed for `test`.`t1`
insert into t1 values(249,249,9);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
insert into t1 values(105,105,9);
select * from t1;
a b c
101 101 0
102 102 0
600 600 0
103 103 0
105 105 9
create table t2 like t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) DEFAULT NULL CHECK (`a` > 10),
`b` int(11) DEFAULT NULL CHECK (`b` > 20),
`c` int(11) DEFAULT 0 CHECK (`c` < 10),
CONSTRAINT `min` CHECK (`a` + `b` > 100),
CONSTRAINT `max` CHECK (`a` + `b` < 500),
CONSTRAINT `CONSTRAINT_1` CHECK (`a` + `b` + `c` < 500)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
alter table t2 drop constraint c;
ERROR 42000: Can't DROP CONSTRAINT `c`; check that it exists
alter table t2 drop constraint if exists c;
Warnings:
Note 1091 Can't DROP CONSTRAINT `c`; check that it exists
alter table t2 drop constraint min;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) DEFAULT NULL CHECK (`a` > 10),
`b` int(11) DEFAULT NULL CHECK (`b` > 20),
`c` int(11) DEFAULT 0 CHECK (`c` < 10),
CONSTRAINT `max` CHECK (`a` + `b` < 500),
CONSTRAINT `CONSTRAINT_1` CHECK (`a` + `b` + `c` < 500)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1,t2;
create or replace table t1 (a int, b int, constraint 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
create or replace table t1 (a int, b int,
constraint CONSTRAINT_1 check (a>1),
constraint check (b>1));
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` > 1),
CONSTRAINT `CONSTRAINT_2` CHECK (`b` > 1)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
create or replace table t1 (a int, b int,
constraint CONSTRAINT_1 check (a>1),
constraint check (b>1),
constraint CONSTRAINT_2 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` > 1),
CONSTRAINT `CONSTRAINT_3` CHECK (`b` > 1),
CONSTRAINT `CONSTRAINT_2` CHECK (`a` > `b`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1(c1 int, c2 int as (c1 + 1), check (c2 > 2));
insert into t1(c1) values(1);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
insert into t1(c1) values(2);
drop table t1;
create or replace table t1( c1 int auto_increment primary key, check( c1 > 0 or c1 is null ) );
ERROR HY000: Function or expression 'AUTO_INCREMENT' cannot be used in the CHECK clause of `c1`
create table t1 (a int check (@b in (select user from mysql.user)));
ERROR 42000: CHECK does not support subqueries or stored functions
create table t1 (a int check (a > @b));
ERROR HY000: Function or expression '@b' cannot be used in the CHECK clause of `a`
create table t1 (a int check (a = 1));
insert t1 values (1);
insert t1 values (2);
ERROR 23000: CONSTRAINT `t1.a` failed for `test`.`t1`
insert t1 values (NULL);
select * from t1;
a
1
NULL
drop table t1;
create table t1 (id int auto_increment primary key, datecol datetime, check (datecol>'0001-01-01 00:00:00'));
insert into t1 (datecol) values (now());
insert into t1 (datecol) values (now());
drop table t1;
CREATE TABLE t1 (
EmployeeID SMALLINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
FirstName VARCHAR(30) NOT NULL CHECK (CHAR_LENGTH(FirstName > 2))
);
INSERT INTO t1 VALUES (NULL, 'Ken');
ERROR 22007: Truncated incorrect DECIMAL value: 'Ken'
SHOW WARNINGS;
Level Code Message
Error 1292 Truncated incorrect DECIMAL value: 'Ken'
Error 4025 CONSTRAINT `t1.FirstName` failed for `test`.`t1`
INSERT INTO t1 VALUES (NULL, 'Ken'),(NULL, 'Brian');
ERROR 22007: Truncated incorrect DECIMAL value: 'Ken'
SHOW WARNINGS;
Level Code Message
Error 1292 Truncated incorrect DECIMAL value: 'Ken'
Error 4025 CONSTRAINT `t1.FirstName` failed for `test`.`t1`
INSERT IGNORE INTO t1 VALUES (NULL, 'Ken');
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'Ken'
INSERT IGNORE INTO t1 VALUES (NULL, 'Ken'),(NULL, 'Brian');
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'Ken'
Warning 1292 Truncated incorrect DECIMAL value: 'Brian'
set sql_mode="";
INSERT INTO t1 VALUES (NULL, 'Ken');
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'Ken'
INSERT INTO t1 VALUES (NULL, 'Ken'),(NULL, 'Brian');
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'Ken'
Warning 1292 Truncated incorrect DECIMAL value: 'Brian'
set sql_mode=default;
select * from t1;
EmployeeID FirstName
1 Ken
2 Ken
3 Brian
4 Ken
5 Ken
6 Brian
drop table t1;
#
# MDEV-16630: Ambiguous error message when check constraint
# matches table name
#
use test;
drop table if exists t;
create table t(a int, b int check(b>0),
constraint b check(a<b), constraint a check(a>0),
constraint x check (a>10));
show create table t;
Table Create Table
t CREATE TABLE `t` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL CHECK (`b` > 0),
CONSTRAINT `b` CHECK (`a` < `b`),
CONSTRAINT `a` CHECK (`a` > 0),
CONSTRAINT `x` CHECK (`a` > 10)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
# Field constraint 'b' will fail
insert into t values (-1, 0);
ERROR 23000: CONSTRAINT `t.b` failed for `test`.`t`
# Table constraint 'b' will fail
insert into t values (1,1);
ERROR 23000: CONSTRAINT `b` failed for `test`.`t`
drop table t;
create table t1 (a int auto_increment primary key, b int, check (b > 5));
insert t1 (b) values (1);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
insert t1 (b) values (10);
select * from t1 where a is null;
a b
set sql_auto_is_null=1;
select * from t1 where a is null;
a b
1 10
insert t1 (b) values (1);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
drop table t1;
#
# MDEV-25638 Assertion `!result' failed in convert_const_to_int
#
create table t1 (v1 bigint check (v1 not in ('x' , 'x111'))) ;
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'x'
Warning 1292 Truncated incorrect DECIMAL value: 'x111'
select * from t1;
v1
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'x'
Warning 1292 Truncated incorrect DECIMAL value: 'x111'
select v1 from t1;
v1
select * from t1;
v1
prepare stmt from "select * from t1";
execute stmt;
v1
execute stmt;
v1
flush tables;
select * from t1;
v1
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'x'
Warning 1292 Truncated incorrect DECIMAL value: 'x111'
select * from t1;
v1
deallocate prepare stmt;
drop table t1;
#
# MDEV-26061 MariaDB server crash at Field::set_default
#
create table t1 (v2 date check (v1 like default (v1)), v1 date default (from_days ('x')));
Warnings:
Warning 1292 Truncated incorrect INTEGER value: 'x'
insert ignore into t1 values ( 'x' , 'x' ) ;
Warnings:
Warning 1265 Data truncated for column 'v2' at row 1
Warning 1265 Data truncated for column 'v1' at row 1
Warning 1292 Truncated incorrect INTEGER value: 'x'
drop table t1;
#
# End of 10.2 tests
#
#
# MDEV-26061 MariaDB server crash at Field::set_default
#
create table t1 (d timestamp not null default now() check (default (d) is true)) as select 1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`d` timestamp NOT NULL DEFAULT current_timestamp() CHECK (default(`d`) is true),
`1` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
#
# End of 10.3 tests
#
#
# MDEV-24274 ALTER TABLE with CHECK CONSTRAINTS gives "Out of Memory" error
#
create table t1 (id varchar(2), constraint id check (id regexp '[a-z]'));
alter table t1 force;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` varchar(2) DEFAULT NULL,
CONSTRAINT `id` CHECK (`id` regexp '[a-z]')
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
#
# MDEV-32586 incorrect error about cyclic reference about JSON type virtual column
#
create table t1 (a int, b json as (a));
drop table t1;
create table t1 (a int, b int as (a) check (b > 0));
insert t1 (a) values (1);
insert t1 (a) values (-1);
ERROR 23000: CONSTRAINT `t1.b` failed for `test`.`t1`
drop table t1;
# End of 10.4 tests
#
# MDEV-36662 CHECK constraint does not repeat in case of error
#
create table t1 (d date check (d > 2020-01-01));
insert into t1 values ('2023-12-05');
ERROR 22007: Truncated incorrect datetime value: '2018'
INSERT into t1 values ('2024-12-05');
ERROR 22007: Truncated incorrect datetime value: '2018'
create or replace table t1 (d time check (d > "a"));
insert into t1 values ('22:30');
ERROR 22007: Truncated incorrect time value: 'a'
insert into t1 values ('23:30');
ERROR 22007: Truncated incorrect time value: 'a'
create or replace table t1 (d datetime check (d > "a"));
insert into t1 values ('2023-12-05');
ERROR 22007: Truncated incorrect datetime value: 'a'
insert into t1 values ('2024-12-05');
ERROR 22007: Truncated incorrect datetime value: 'a'
create or replace table t1 (d timestamp check (d > "a"));
insert into t1 values ('2023-12-05');
ERROR 22007: Truncated incorrect datetime value: 'a'
insert into t1 values ('2024-12-05');
ERROR 22007: Truncated incorrect datetime value: 'a'
create or replace table t1 (d year check (d > "a"));
insert into t1 values ('2023');
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
insert into t1 values ('2024');
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
create or replace table t1 (d int check (d > "a"));
insert into t1 values (0);
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
insert into t1 values (1);
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
create or replace table t1 (d real check (d > "a"));
insert into t1 values (0.1);
ERROR 22007: Truncated incorrect DOUBLE value: 'a'
insert into t1 values (1.1);
ERROR 22007: Truncated incorrect DOUBLE value: 'a'
create or replace table t1 (d decimal check (d > "a"));
insert into t1 values (0);
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
insert into t1 values (1);
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
create or replace table t1 (d bool check (d != "a"));
insert into t1 values (0);
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
insert into t1 values (1);
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
drop table t1;
create or replace table t1 (d varchar(30) check (d != 1));
insert into t1 values ("a");
ERROR 22007: Truncated incorrect DECIMAL value: 'a'
insert into t1 values ("b");
ERROR 22007: Truncated incorrect DECIMAL value: 'b'
drop table t1;
# End of 10.11 tests
#
# MDEV-32439 INSERT IGNORE VALUES (one row) errors on constraint
#
CREATE TABLE t1 (v1 varchar(10), v2 varchar(10), constraint unequal check (v1 != v2));
INSERT IGNORE INTO t1 VALUES (1,1);
Warnings:
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SHOW WARNINGS;
Level Code Message
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
INSERT IGNORE INTO t1 VALUES (1,2),(2,2);
Warnings:
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SHOW WARNINGS;
Level Code Message
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
INSERT IGNORE INTO t1 VALUES (3,3),(4,4);
Warnings:
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SHOW WARNINGS;
Level Code Message
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SELECT * FROM t1;
v1 v2
1 2
DROP TABLE t1;
#
# MDEV-32439 INSERT IGNORE VALUES (one row) errors on constraint
#
CREATE TABLE t1 (v1 varchar(10), v2 varchar(10), constraint unequal check (v1 != v2));
INSERT IGNORE INTO t1 VALUES (1,1);
Warnings:
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SHOW WARNINGS;
Level Code Message
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
INSERT IGNORE INTO t1 VALUES (1,2),(2,2);
Warnings:
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SHOW WARNINGS;
Level Code Message
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
INSERT IGNORE INTO t1 VALUES (3,3),(4,4);
Warnings:
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SHOW WARNINGS;
Level Code Message
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
Warning 4025 CONSTRAINT `unequal` failed for `test`.`t1`
SELECT * FROM t1;
v1 v2
1 2
DROP TABLE t1;
# End of 11.4 tests
|