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所属分类:数据库
MySQL动态创建表,数据分表的存储过程,需要的朋友可以参考下。
- BEGIN
- DECLARE `@i` int(11);
- DECLARE `@siteCount` int(11);
- DECLARE `@sqlstr` VARCHAR(2560);
- DECLARE `@sqlinsert` VARCHAR(2560); //以上声明变量
- SELECT COUNT(0) into `@siteCount` FROM tbl_base_site; //计算表tbl_base_site的记录总条数
- set `@i`=1;
- WHILE (`@i`-1)*300<`@siteCount` DO //while循环执行
- SET @sqlstr = CONCAT('CREATE TABLE tbl_base_syslog',`@i`,'(syslog_id INT(11) AUTO_INCREMENT PRIMARY KEY,
- create_user VARCHAR(32),
- description text,
- create_time datetime,
- site_id INT(11),
- ip VARCHAR(64),
- version_id SMALLINT(2),
- module_identity VARCHAR(64),
- right_name VARCHAR(64)
- )');
- prepare stmt from @sqlstr;
- execute stmt;
- //以上实现动态创建表
- SET @sqlinsert = CONCAT('INSERT INTO tbl_base_syslog',`@i`,'(
- syslog_id,
- create_user,
- description,
- create_time,
- site_id,
- ip,
- version_id,
- module_identity,
- right_name)
- SELECT syslog_id,
- create_user,
- description,
- create_time,
- site_id,
- ip,
- version_id,
- module_identity,
- right_name
- FROM tbl_base_syslog
- WHERE site_id IN (select tbs.site_id from (select site_id from tbl_base_site limit ',`@i`*300,',300) as tbs)
- ORDER BY syslog_id');
- prepare stmt from @sqlinsert;
- execute stmt;
- //以上实现从一张表查询记录插入到动态创建的新表中
- SET `@i`= `@i`+1;
- END WHILE;
- END