一段优化排序的Sql语句

if exists (select * from dbo.sysobjects where id = object_id(N@#[dbo].[OrderOptimize]@#) and OBJECTPROPERTY(id, N@#IsProcedure@#) = 1)
drop procedure [dbo].[OrderOptimize]
GO

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS OFF
GO

CREATE Procedure OrderOptimize

(
@ID int,
@intOrder int,
@TableName varchar(50)
)
AS


BEGIN TRANSACTION TransOrderOptimize

Declare @SqlStr nvarchar(500)
Declare @i int
Declare @CursorSql nvarchar (500)
Declare @UpdateOrder nvarchar(500)
declare @TempId int
--declare @CursorName varchar(50)
--print(N@# update @#+cast(@TableName as varchar(50))+@#  set intOrder = @#@#@#+cast(@intOrder as int)+@#@#@#   where ID=@#@#@#+@ID+@#@#@#@#);
begin
 
 set @SqlStr=N@# update @#+cast(@TableName as varchar(50))+@# set intOrder = @#@#@#+cast(@intOrder as varchar(50))+@#@#@# where ID=@#@#@#+cast(@ID as varchar(10))+@#@#@#@#;

exec sp_executesql @SqlStr;
end

Begin
 set nocount on
 set @i=0;
 --set @CursorName=@#product@#;
 --set @SqlTemp=N@#select ID from @#+cast(@TableName as varchar(50))+@# ORDER BY intOrder@#;
 --declare Order_Cursor cursor for sp_executesql @SqlTemp

 declare @temp nvarchar(500)
 set @temp =N@#declare Order_Cursor cursor for select  ID from @#+cast(@TableName as varchar(50))+@#  ORDER BY intOrder@#
 exec sp_executesql  @temp

 open Order_Cursor
 fetch next from Order_Cursor into @TempId

 while @@FETCH_STATUS=0
 Begin
  --print @TempId;
  set @i=@i+1;
  set @UpdateOrder=N@#Update @#+cast(@TableName as varchar(50))+@#  Set intOrder=@#@#@#+cast(@i as varchar(10))+@#@#@# where ID=@#@#@#+cast(@TempId as varchar(10))+@#@#@#@#;
  --print @UpdateOrder;
  execute sp_executesql @UpdateOrder
  fetch next from Order_Cursor into @TempId
 End

 CLOSE Order_Cursor
 DEALLOCATE Order_Cursor
End


if @@error<>0
 Begin
 raiserror(@#排序优化失败，请与开发商联系！@#,16,1)
 RollBack Transaction TransOrderOptimize
 Return 99
end

Commit Transaction TransOrderOptimize
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

 

原文转自：http://www.ltesting.net