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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));
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`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50500 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);
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));
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`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50500 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);
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
/*!50100 PARTITION BY HASH (id_2)
(PARTITION p01 ENGINE = MyISAM,
PARTITION p02 ENGINE = MyISAM,
PARTITION p03 ENGINE = MyISAM) */
drop table t1;
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