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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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 HY000: Function or expression 'select ...' cannot be used in the CHECK clause of `a` 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(a0), 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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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=latin1 COLLATE=latin1_swedish_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-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 #