SQL Server 2005通用分页存储过程及多表联接应用
SQL Server 2005通用分页存储过程及多表联接应用
发布时间:2016-12-28 来源:查字典编辑
摘要:这是不久前写的一个分页存储过程,可应用于SQLServer2005上面:复制代码代码如下:ifobject_ID('[proc_Select...

这是不久前写的一个分页存储过程,可应用于SQL Server 2005上面:

复制代码 代码如下:

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 CTE_Exec Order By r

'

Else

Set @Exec_sql='

;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:

复制代码 代码如下:

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:

复制代码 代码如下:

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''

', -- varchar(max)

@Order = '', -- varchar(4000)

@CurrentPage = 3, -- int

@PageSize = 20, -- int

@TotalCount = 0 -- int

注:在@Sql 中不能使用CTE。

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