mysql 通用存储过程分页 海量数据分页

测试表

 

CREATE TABLE IF NOT EXISTS `test` (

  `id` int(11) NOT NULL auto_increment,

  `sort` int(11)

  `title` varchar(50),

  PRIMARY KEY  (`id`)

) ENGINE=InnoDB DEFAULT CHARSET=gb2312 AUTO_INCREMENT=1 ;

 

 

 

 

存储过程代码

 

DELIMITER $$;

DROP PROCEDURE IF EXISTS `sp_page`$$

CREATE PROCEDURE `sp_page`(

 in _pagecurrent int,/*当前页*/

 in _pagesize int,/*每页的记录数*/

 in _ifelse varchar(1000),/*显示字段*/

 in _where varchar(1000),/*条件*/

 in _order varchar(1000)/*排序*/

)

COMMENT '分页存储过程'

BEGIN

 if _pagesize<=1 then 

  set _pagesize=20;

 end if;

 if _pagecurrent < 1 then 

  set _pagecurrent = 1; 

 end if;

 

 set @strsql = concat('select ',_ifelse,' from ',_where,' ',_order,' limit ',_pagecurrent*_pagesize-_pagesize,',',_pagesize); 

 prepare stmtsql from @strsql; 

 execute stmtsql; 

 deallocate prepare stmtsql;

 set @strsqlcount=concat('select count(1) as count from ',_where);/*count(1) 这个字段最好是主键*/

 prepare stmtsqlcount from @strsqlcount; 

 execute stmtsqlcount; 

 deallocate prepare stmtsqlcount; 

END$$

DELIMITER ;$$

 

调用代码

调用例1  call sp_Page(1,3,'*','test','order by id desc');

调用例2  call sp_Page(1,3,'*','test where sort=1','order by id desc');

调用例3  call sp_Page(1,3,'id,title','test where sort=1','order by id desc');