当前位置:Gxlcms > 数据库问题 > mysql 分区

mysql 分区

时间:2021-07-01 10:21:17 帮助过:9人阅读

TABLE `tb_pub_app_income` MODIFY COLUMN `end_date` datetime NOT NULL COMMENT 结束日期 AFTER `start_date`, DROP PRIMARY KEY, ADD PRIMARY KEY (`id`, `end_date`); alter table tb_pub_app_income PARTITION BY RANGE COLUMNS(end_date)( PARTITION p0 VALUES LESS THAN (2017-4-1) , PARTITION p201704 VALUES LESS THAN (2017-5-1) , PARTITION p201705 VALUES LESS THAN (2017-6-1) , PARTITION p201706 VALUES LESS THAN (2017-7-1) , PARTITION p201707 VALUES LESS THAN (2017-8-1) , PARTITION p201708 VALUES LESS THAN (2017-9-1) , PARTITION p201709 VALUES LESS THAN (2017-10-1) , PARTITION p201710 VALUES LESS THAN (2017-11-1) , PARTITION p201711 VALUES LESS THAN (2017-12-1) , PARTITION p201712 VALUES LESS THAN (2018-1-1) );

 

追加分区

alter table tb_pub_app_income add PARTITION(
    PARTITION p201801 VALUES LESS THAN (2018-2-1)
);

 

追加分区时报 VALUES LESS THAN value must be strictly increasing for each partition 错的原因是 最后分区太大了 ,将对应分区删除即可

/*!50500 PARTITION BY RANGE  COLUMNS(end_date)
(PARTITION p0 VALUES LESS THAN (‘2016-10-1‘) ENGINE = InnoDB,
 PARTITION p201610 VALUES LESS THAN (‘2016-11-1‘) ENGINE = InnoDB,
 PARTITION p201611 VALUES LESS THAN (‘2016-12-1‘) ENGINE = InnoDB,
 PARTITION p201612 VALUES LESS THAN (‘2017-1-1‘) ENGINE = InnoDB,
 PARTITION p201701 VALUES LESS THAN (‘2017-2-1‘) ENGINE = InnoDB,
 PARTITION p201702 VALUES LESS THAN (‘2017-3-1‘) ENGINE = InnoDB,
 PARTITION p201703 VALUES LESS THAN (‘2017-4-1‘) ENGINE = InnoDB,
 PARTITION p201704 VALUES LESS THAN (‘2017-5-1‘) ENGINE = InnoDB,
 PARTITION p201705 VALUES LESS THAN (‘2017-6-1‘) ENGINE = InnoDB,
 PARTITION p201706 VALUES LESS THAN (‘2017-7-1‘) ENGINE = InnoDB,
 PARTITION p201707 VALUES LESS THAN (‘2017-8-1‘) ENGINE = InnoDB,
 PARTITION p201708 VALUES LESS THAN (‘2017-9-1‘) ENGINE = InnoDB,
 PARTITION p201709 VALUES LESS THAN (‘2017-10-1‘) ENGINE = InnoDB,
 PARTITION p201710 VALUES LESS THAN (‘2017-11-1‘) ENGINE = InnoDB,
 PARTITION p201711 VALUES LESS THAN (‘2017-12-1‘) ENGINE = InnoDB,
 PARTITION p201712 VALUES LESS THAN (‘2018-1-1‘) ENGINE = InnoDB,
 PARTITION p1 VALUES LESS THAN (MAXVALUE) ENGINE = InnoDB) */;

 

删除分区

alter table tb_pub_app_income drop PARTITION p1;

 

参考资料:

1、http://blog.csdn.net/tjcyjd/article/details/11194489

2、 http://bbs.csdn.net/topics/390121058

 

mysql 分区

标签:ict   partition   innodb   inno   log   tail   sql   bsp   add   

人气教程排行