sqlserver 千万数量级分页存储过程代码
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<div class="codetitle"><a style="CURSOR: pointer" data="52303" class="copybut" id="copybut52303" onclick="doCopy('code52303')"> 代码如下:
<div class="codebody" id="code52303">
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go Create PROCEDURE [dbo].[SP_Pagination]
/
//*
***** 千万数量级分页存储过程
参数说明:
1.Tables :表名称,视图
2.PrimaryKey :主关键字
3.Sort :排序语句，不带Order By 比如：NewsID Desc,OrderRows Asc
4.CurrentPage :当前页码
5.PageSize :分页尺寸
6.Filter :过滤语句，不带Where
7.Group :Group语句,不带Group By
/
(
@Tables varchar(2000),
@PrimaryKey varchar(500),
@Sort varchar(500) = NULL,
@CurrentPage int = 1,
@PageSize int,
@Fields varchar(2000) = '*',
@Filter varchar(1000) = NULL,
@Group varchar(1000) = NULL
)
AS
/
//默认排序/
IF @Sort IS NULL OR @Sort = ''
SET @Sort = @PrimaryKey
DECLARE @SortTable varchar(1000)
DECLARE @SortName varchar(1000)
DECLARE @strSortColumn varchar(1000)
DECLARE @operator char(2)
DECLARE @type varchar(1000)
DECLARE @prec int
///
设定排序语句./
IF CHARINDEX('DESC',@Sort)>0
BEGIN
SET @strSortColumn = REPLACE(@Sort,'DESC','')
SET @operator = '<='
END
ELSE
BEGIN
IF CHARINDEX('ASC',@Sort) = 0
SET @strSortColumn = REPLACE(@Sort,'ASC','')
SET @operator = '>='
END
IF CHARINDEX('.',@strSortColumn) > 0
BEGIN
SET @SortTable = SUBSTRING(@strSortColumn,CHARINDEX('.',@strSortColumn))
SET @SortName = SUBSTRING(@strSortColumn,@strSortColumn) + 1,LEN(@strSortColumn))
END
ELSE
BEGIN
SET @SortTable = @Tables
SET @SortName = @strSortColumn
END
SELECT @type=t.name,@prec=c.prec
FROM sysobjects o
JOIN syscolumns c on o.id=c.id
JOIN systypes t on c.xusertype=t.xusertype
WHERE o.name = @SortTable AND c.name = @SortName
IF CHARINDEX('char',@type) > 0
SET @type = @type + '(' + CAST(@prec AS varchar) + ')'
DECLARE @strPageSize varchar(500)
DECLARE @strStartRow varchar(500)
DECLARE @strFilter varchar(1000)
DECLARE @strSimpleFilter varchar(1000)
DECLARE @strGroup varchar(1000)
/
//默认当前页/
IF @CurrentPage < 1
SET @CurrentPage = 1
///
设置分页参数./
SET @strPageSize = CAST(@PageSize AS varchar(500))
SET @strStartRow = CAST(((@CurrentPage - 1)*@PageSize + 1) AS varchar(500))
/
//筛选以及分组语句./
IF @Filter IS NOT NULL AND @Filter != ''
BEGIN
SET @strFilter = ' WHERE ' + @Filter + ' '
SET @strSimpleFilter = ' AND ' + @Filter + ' '
END
ELSE
BEGIN
SET @strSimpleFilter = ''
SET @strFilter = ''
END
IF @Group IS NOT NULL AND @Group != ''
SET @strGroup = ' GROUP BY ' + @Group + ' '
ELSE
SET @strGroup = ''
///
执行查询语句/
EXEC(
'
DECLARE @SortColumn ' + @type + '
SET ROWCOUNT ' + @strStartRow + '
SELECT @SortColumn=' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + '
SET ROWCOUNT ' + @strPageSize + '
SELECT ' + @Fields + ' FROM ' + @Tables + ' WHERE ' + @strSortColumn + @operator + ' @SortColumn ' + @strSimpleFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + '
'
)
