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SQL Server 2005通用分页存储函数及多表联接用

发布时间:2023-08-05 14:41:23 所属栏目:MsSql教程 来源:
导读:这是不久前写的一个分页存储过程,可应用于sql Server 2005上面:

<div class="codetitle"><a style="CURSOR: pointer" data="95197" class="copybut" id="copybut95197" onclick="doCopy(&#39;code95197&#39;)"
这是不久前写的一个分页存储过程,可应用于sql Server 2005上面:
 
<div class="codetitle"><a style="CURSOR: pointer" data="95197" class="copybut" id="copybut95197" onclick="doCopy('code95197')"> 代码如下:
 
<div class="codebody" id="code95197">
 
if object_ID('[proc_SelectForPager]') is not null
 
Drop Procedure [proc_SelectForPager]
 
Go
 
Create Proc proc_SelectForPager
 
(
 
@sql varchar(max),
 
@Order varchar(4000),
 
@CurrentPage int,
 
@PageSize int,
 
@TotalCount int output
 
)
 
As
 
/Andy 2012-2-28 /
 
Declare @Exec_sql nvarchar(max)
 
Set @Exec_sql='Set @TotalCount=(Select Count(1) From ('+@sql+') As a)'
 
Exec sp_executesql @Exec_sql,N'@TotalCount int output',@TotalCount output
 
Set @Order=isnull(' Order by '+nullif(@Order,''),' Order By getdate()')
 
if @CurrentPage=1 /经常会调用第1页,这里做特殊处理,少一层子查询/
 
Set @Exec_sql='
 
;With CTE_Exec As
 
(
 
'+@sql+'
 
)
 
Select Top(@pagesize) ,row_number() Over('+@Order+') As r From CTEExec Order By r
 
'
 
Else
 
Set @Execsql='
 
;With CTE_Exec As
 
(
 
Select ,row_number() Over('+@Order+') As r From ('+@sql+') As a
 
)
 
Select From CTE_Exec Where r Between (@CurrentPage-1)@pagesize+1 And @CurrentPage@pagesize Order By r
 
'
 
Exec sp_executesql @Exec_sql,N'@CurrentPage int,@PageSize int',@CurrentPage,@PageSize
 
Go
 
调用方法
 

 
1.单表
 

 
<div class="codetitle"><a style="CURSOR: pointer" data="86911" class="copybut" id="copybut86911" onclick="doCopy('code86911')"> 代码如下:
 
<div class="codebody" id="code86911">
 
Exec proc_SelectForPager @sql = 'Select from contacts a where a.ContactType=1',-- varchar(max)
 
@Order = '',-- varchar(4000)
 
@CurrentPage = 3,-- int
 
@PageSize = 20,-- int
 
@TotalCount = 0 -- int
 
2.多表联接
 

 
<div class="codetitle"><a style="CURSOR: pointer" data="64885" class="copybut" id="copybut64885" onclick="doCopy('code64885')"> 代码如下:
 
<div class="codebody" id="code64885">
 
Exec proc_SelectForPager @sql =
 
'Select a.Staff,a.OU,b.FName+b.FName as Name
 
from staffOUHIST a
 
inner join Staff b on b.ID=a.Staff and a.ExpiryDate=''30001231''
 
',-- int
 
@TotalCount = 0 -- int
 
 

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