c# mysql分页存储过程_mysql 分页存储过程

  • Post author:
  • Post category:mysql


/*

–名称:MYSQL版查询分页存储过程 by peace 2013-8-14

–输入参数:@fields — 要查询的字段用逗号隔开

–输入参数:@tables — 要查询的表

–输入参数:@where — 查询条件

–输入参数:@orderby — 排序字段

–输出参数:@page — 当前页计数从1开始

–输出参数:@pagesize — 每页大小

–输出参数:@totalcount — 总记录数

–输出参数:@pagecount — 总页数

*/

DROP PROCEDURE IF EXISTS Query_Pagination;

CREATE PROCEDURE Query_Pagination

(

in _fields varchar(2000),

in _tables text,

in _where varchar(2000),

in _orderby varchar(200),

in _pageindex int,

in _pagesize int,

in _sumfields varchar(200),/*增加统计字段2013-5-8 peaceli*/

out _totalcount int ,

out _pagecount int

)

begin

set @startRow = _pageSize*(_pageIndex -1);

set @pageSize = _pageSize; set @rowindex = 0;

set @strsql = CONCAT(‘select sql_calc_found_rows @rowindex:=@rowindex+1 as rownumber,’,_fields,’ from ‘,_tables,case ifnull(_where,”) when ” then ” else concat(‘ where ‘,_where) end,’ order by ‘,_orderby,’ limit ‘,@startRow,’,’,@pageSize);

prepare strsql from @strsql;

execute strsql;

deallocate prepare strsql;

set _totalcount = found_rows();

if (_totalcount <= _pageSize) then

set _pagecount = 1;

else if (_totalcount % _pageSize > 0) then

set _pagecount = _totalcount / _pageSize + 1;

else

set _pagecount = _totalcount / _pageSize;

end if;

end if;

if(ifnull(_sumfields,”) <> ”) then set @sumsql = contact(‘select ‘,_sumfields,’ from ‘,_tables,case ifnull(_where,”) when ” then ” else concat(‘ where ‘,_where) end); prepare sumsql from @sumsql; execute sumsql; deallocate prepare sumsql; end if; end

转载:https://www.cnblogs.com/peaceli/archive/2013/08/14/MYSQL.html



版权声明:本文为weixin_29179583原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。