Mysql分页查询通用存储过程

王朝mysql·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

前段时间没有给出SQLServer转到Mysql的通用存储过程,本着共享的精神,为大家奉献这段Mysql分页查询通用存储过程,假设所用数据库为guestbook:

use guestbook;

delimiter $$

drop procedure if exists prc_page_result $$

create procedure prc_page_result (

in currpage int,

in columns varchar(500),

in tablename varchar(500),

in sCondition varchar(500),

in order_field varchar(100),

in asc_field int,

in primary_field varchar(100),

in pagesize int

)

begin

declare sTemp varchar(1000);

declare sSql varchar(4000);

declare sOrder varchar(1000);

if asc_field = 1 then

set sOrder = concat(' order by ', order_field, ' desc ');

set sTemp = '<(select min';

else

set sOrder = concat(' order by ', order_field, ' asc ');

set sTemp = '>(select max';

end if;

if currpage = 1 then

if sCondition <> '' then

set sSql = concat('select ', columns, ' from ', tablename, ' where ');

set sSql = concat(sSql, sCondition, sOrder, ' limit ?');

else

set sSql = concat('select ', columns, ' from ', tablename, sOrder, ' limit ?');

end if;

else

if sCondition <> '' then

set sSql = concat('select ', columns, ' from ', tablename);

set sSql = concat(sSql, ' where ', sCondition, ' and ', primary_field, sTemp);

set sSql = concat(sSql, '(', primary_field, ')', ' from (select ');

set sSql = concat(sSql, ' ', primary_field, ' from ', tablename, sOrder);

set sSql = concat(sSql, ' limit ', (currpage-1)*pagesize, ') as tabtemp)', sOrder);

set sSql = concat(sSql, ' limit ?');

else

set sSql = concat('select ', columns, ' from ', tablename);

set sSql = concat(sSql, ' where ', primary_field, sTemp);

set sSql = concat(sSql, '(', primary_field, ')', ' from (select ');

set sSql = concat(sSql, ' ', primary_field, ' from ', tablename, sOrder);

set sSql = concat(sSql, ' limit ', (currpage-1)*pagesize, ') as tabtemp)', sOrder);

set sSql = concat(sSql, ' limit ?');

end if;

end if;

set @iPageSize = pagesize;

set @sQuery = sSql;

prepare stmt from @sQuery;

execute stmt using @iPageSize;

end;

$$

delimiter;

可以存储为数据库脚本,然后用命令导入:

mysql -u root -p < pageResult.sql;

调用:call prc_page_result(1, "*", "Tablename", "", "columnname", 1, "PKID", 25);

http://blog.csdn.net/fcrpg2005/archive/2007/03/07/1522713.aspx

 
 
 
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