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Create 'main' test directory and move 't' and 'r' there
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Michael Widenius
158
mysql-test/main/check_constraint.result
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158
mysql-test/main/check_constraint.result
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@ -0,0 +1,158 @@
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set @save_check_constraint=@@check_constraint_checks;
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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;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL CHECK (`a` > 10),
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`b` int(11) DEFAULT NULL CHECK (`b` > 20),
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CONSTRAINT `min` CHECK (`a` + `b` > 100),
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CONSTRAINT `max` CHECK (`a` + `b` < 500)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t1 values (100,100);
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insert into t1 values (1,1);
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ERROR 23000: CONSTRAINT `a` failed for `test`.`t1`
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insert into t1 values (20,1);
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ERROR 23000: CONSTRAINT `b` failed for `test`.`t1`
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insert into t1 values (20,30);
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ERROR 23000: CONSTRAINT `min` failed for `test`.`t1`
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insert into t1 values (500,500);
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ERROR 23000: CONSTRAINT `max` failed for `test`.`t1`
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insert into t1 values (101,101),(102,102),(600,600),(103,103);
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ERROR 23000: CONSTRAINT `max` failed for `test`.`t1`
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select * from t1;
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a b
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100 100
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101 101
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102 102
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truncate table t1;
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insert ignore into t1 values (101,101),(102,102),(600,600),(103,103);
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Warnings:
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Warning 4025 CONSTRAINT `max` failed for `test`.`t1`
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select * from t1;
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a b
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101 101
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102 102
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103 103
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set check_constraint_checks=0;
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truncate table t1;
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insert into t1 values (101,101),(102,102),(600,600),(103,103);
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select * from t1;
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a b
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101 101
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102 102
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600 600
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103 103
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set check_constraint_checks=@save_check_constraint;
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alter table t1 add c int default 0 check (c < 10);
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ERROR 23000: CONSTRAINT `max` failed for table
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set check_constraint_checks=0;
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alter table t1 add c int default 0 check (c < 10);
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alter table t1 add check (a+b+c < 500);
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set check_constraint_checks=@save_check_constraint;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL CHECK (`a` > 10),
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`b` int(11) DEFAULT NULL CHECK (`b` > 20),
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`c` int(11) DEFAULT 0 CHECK (`c` < 10),
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CONSTRAINT `min` CHECK (`a` + `b` > 100),
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CONSTRAINT `max` CHECK (`a` + `b` < 500),
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CONSTRAINT `CONSTRAINT_1` CHECK (`a` + `b` + `c` < 500)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t1 values(105,105,105);
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ERROR 23000: CONSTRAINT `c` failed for `test`.`t1`
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insert into t1 values(249,249,9);
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ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
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insert into t1 values(105,105,9);
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select * from t1;
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a b c
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101 101 0
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102 102 0
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600 600 0
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103 103 0
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105 105 9
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create table t2 like t1;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` int(11) DEFAULT NULL CHECK (`a` > 10),
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`b` int(11) DEFAULT NULL CHECK (`b` > 20),
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`c` int(11) DEFAULT 0 CHECK (`c` < 10),
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CONSTRAINT `min` CHECK (`a` + `b` > 100),
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CONSTRAINT `max` CHECK (`a` + `b` < 500),
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CONSTRAINT `CONSTRAINT_1` CHECK (`a` + `b` + `c` < 500)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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alter table t2 drop constraint c;
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ERROR 42000: Can't DROP CONSTRAINT `c`; check that it exists
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alter table t2 drop constraint if exists c;
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Warnings:
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Note 1091 Can't DROP CONSTRAINT `c`; check that it exists
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alter table t2 drop constraint min;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` int(11) DEFAULT NULL CHECK (`a` > 10),
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`b` int(11) DEFAULT NULL CHECK (`b` > 20),
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`c` int(11) DEFAULT 0 CHECK (`c` < 10),
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CONSTRAINT `max` CHECK (`a` + `b` < 500),
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CONSTRAINT `CONSTRAINT_1` CHECK (`a` + `b` + `c` < 500)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1,t2;
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create or replace table t1 (a int, b int, constraint check (a>b));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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CONSTRAINT `CONSTRAINT_1` CHECK (`a` > `b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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create or replace table t1 (a int, b int,
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constraint CONSTRAINT_1 check (a>1),
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constraint check (b>1));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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CONSTRAINT `CONSTRAINT_1` CHECK (`a` > 1),
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CONSTRAINT `CONSTRAINT_2` CHECK (`b` > 1)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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create or replace table t1 (a int, b int,
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constraint CONSTRAINT_1 check (a>1),
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constraint check (b>1),
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constraint CONSTRAINT_2 check (a>b));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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CONSTRAINT `CONSTRAINT_1` CHECK (`a` > 1),
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CONSTRAINT `CONSTRAINT_3` CHECK (`b` > 1),
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CONSTRAINT `CONSTRAINT_2` CHECK (`a` > `b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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create table t1(c1 int, c2 int as (c1 + 1), check (c2 > 2));
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insert into t1(c1) values(1);
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ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
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insert into t1(c1) values(2);
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drop table t1;
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create or replace table t1( c1 int auto_increment primary key, check( c1 > 0 or c1 is null ) );
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ERROR HY000: Function or expression 'AUTO_INCREMENT' cannot be used in the CHECK clause of `c1`
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create table t1 (a int check (@b in (select user from mysql.user)));
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ERROR HY000: Function or expression 'select ...' cannot be used in the CHECK clause of `a`
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create table t1 (a int check (a > @b));
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ERROR HY000: Function or expression '@b' cannot be used in the CHECK clause of `a`
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create table t1 (a int check (a = 1));
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insert t1 values (1);
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insert t1 values (2);
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ERROR 23000: CONSTRAINT `a` failed for `test`.`t1`
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insert t1 values (NULL);
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select * from t1;
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a
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1
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NULL
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drop table t1;
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create table t1 (id int auto_increment primary key, datecol datetime, check (datecol>'0001-01-01 00:00:00'));
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insert into t1 (datecol) values (now());
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insert into t1 (datecol) values (now());
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drop table t1;
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