CREATE TABLE `test_data` (
`hid` bigint(20) unsigned NOT NULL,
`itid` bigint(20) unsigned NOT NULL,
`clocktime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`values` double(16,4) NOT NULL,
PRIMARY KEY (`hid`,`itid`,`clocktime`)
) ;
INSERT INTO `test_data` (`hid`, `itid`, `clocktime`, `values`) VALUES
(1, 1, '2015-03-10 06:25:16', 0.0000),
(1, 1, '2015-03-10 06:26:24', 0.0000),
(1, 1, '2015-03-10 06:27:32', 0.0000),
(1, 1, '2015-03-10 06:28:40', 0.0000),
(1, 1, '2015-03-10 06:29:49', 0.0000),
(1, 1, '2015-03-10 06:30:57', 0.0000),
(1, 1, '2015-03-10 06:32:05', 0.0000),
(1, 1, '2015-03-10 06:33:14', 0.0000),
(1, 1, '2015-03-10 06:34:22', 0.0000),
(1, 1, '2015-03-10 06:35:30', 0.0000),
(1, 1, '2015-03-10 06:36:39', 0.0000),
(1, 1, '2015-03-10 06:37:47', 0.0000),
(1, 1, '2015-03-10 06:38:55', 0.0000),
(1, 1, '2015-03-10 06:40:03', 0.0000),
(1, 1, '2015-03-10 06:41:09', 0.0000),
(1, 1, '2015-03-10 06:42:21', 0.0000),
(1, 1, '2015-03-10 06:43:29', 0.0000),
(1, 1, '2015-03-10 06:44:37', 0.0000),
(1, 1, '2015-03-10 06:45:46', 0.0000),
(1, 1, '2015-03-10 06:47:05', 0.0000),
(1, 1, '2015-03-10 06:48:21', 0.0000),
(1, 1, '2015-03-10 06:49:41', 0.0000),
(1, 1, '2015-03-10 06:50:58', 0.0000),
(1, 1, '2015-03-10 06:52:08', 0.0000),
(1, 1, '2015-03-10 06:53:17', 0.0000),
(1, 1, '2015-03-10 06:54:25', 0.0000),
(563, 1, '2015-03-17 14:28:28', 0.3125),
(563, 1, '2015-03-17 14:29:39', 0.2775),
(563, 1, '2015-03-17 14:30:49', 0.2675);
CREATE PROCEDURE `create_part_max`()
alter table `test_data`
     partition by range(unix_timestamp(clocktime)) (
partition partMAX values less than MAXVALUE
);
call create_part_max();
call create_part_max();
drop procedure create_part_max;
prepare stmt from "alter table `test_data`
     partition by range(unix_timestamp(clocktime)) (
     partition partMAX values less than MAXVALUE
     )";
execute stmt;
execute stmt;
deallocate prepare stmt;
drop table test_data;
create table t1(id int, d date not null, b bool not null default 0, primary key(id,d))
engine=innodb
partition by range columns (d) (
partition p1 values less than ('2016-10-18'),
partition p2 values less than ('2020-10-19'));
insert t1 values (0, '2000-01-02', 0);
insert t1 values (1, '2020-01-02', 10);
alter table t1 add check (b in (0, 1));
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`#sql-temporary`
alter table t1 add check (b in (0, 10));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `d` date NOT NULL,
  `b` tinyint(1) NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`,`d`),
  CONSTRAINT `CONSTRAINT_1` CHECK (`b` in (0,10))
) ENGINE=InnoDB DEFAULT CHARSET=latin1
 PARTITION BY RANGE  COLUMNS(`d`)
(PARTITION `p1` VALUES LESS THAN ('2016-10-18') ENGINE = InnoDB,
 PARTITION `p2` VALUES LESS THAN ('2020-10-19') ENGINE = InnoDB)
insert t1 values (2, '2020-01-03', 20);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
drop table t1;
create table t1(id int, d date not null, b bool not null default 0, primary key(id,d))
partition by range columns (d) (
partition p1 values less than ('2016-10-18'),
partition p2 values less than ('2020-10-19'));
insert t1 values (0, '2000-01-02', 0);
insert t1 values (1, '2020-01-02', 10);
alter table t1 add check (b in (0, 1));
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`#sql-temporary`
alter table t1 add check (b in (0, 10));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `d` date NOT NULL,
  `b` tinyint(1) NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`,`d`),
  CONSTRAINT `CONSTRAINT_1` CHECK (`b` in (0,10))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
 PARTITION BY RANGE  COLUMNS(`d`)
(PARTITION `p1` VALUES LESS THAN ('2016-10-18') ENGINE = MyISAM,
 PARTITION `p2` VALUES LESS THAN ('2020-10-19') ENGINE = MyISAM)
insert t1 values (2, '2020-01-03', 20);
ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
drop table t1;
create table t1 (id_1 int auto_increment, id_2 int, id_3 int, d1 date, dt1 datetime default current_timestamp, dt2 datetime default current_timestamp on update current_timestamp, primary key (id_2, id_3), key(id_1)) partition by hash(id_2) partitions 3 (partition p01, partition p02, partition p03);
insert into t1 values(0, 1, 1, NULL, now(), now());
alter online table t1 delay_key_write=1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id_1` int(11) NOT NULL AUTO_INCREMENT,
  `id_2` int(11) NOT NULL,
  `id_3` int(11) NOT NULL,
  `d1` date DEFAULT NULL,
  `dt1` datetime DEFAULT current_timestamp(),
  `dt2` datetime DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  PRIMARY KEY (`id_2`,`id_3`),
  KEY `id_1` (`id_1`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 DELAY_KEY_WRITE=1
 PARTITION BY HASH (`id_2`)
(PARTITION `p01` ENGINE = MyISAM,
 PARTITION `p02` ENGINE = MyISAM,
 PARTITION `p03` ENGINE = MyISAM)
drop table t1;
create or replace table t1 (x int) partition by hash (x) (partition p1, partition p2);
lock table t1 write;
alter table t1 add partition (partition p1);
ERROR HY000: Duplicate partition name p1
alter table t1 add partition (partition p1);
ERROR HY000: Duplicate partition name p1
drop table t1;