ROWNUMBER/Max/top 방식으로 스토리지 프로세스에 캡슐화

1、ROWNUMBER(    )
 1 ALTER PROCEDURE [dbo].[Proc_SqlPageByRownumber]
 2 (
 3     @tbName VARCHAR(255),            --  
 4     @tbGetFields VARCHAR(1000)= '*',--    
 5     @OrderfldName VARCHAR(255),        --      
 6     @PageSize INT=20,               --   
 7     @PageIndex INT=1,               --  
 8     @OrderType bit = 0,                --0  ， 0  
 9     @strWhere VARCHAR(1000)='',     --    
10     --@TotalCount INT OUTPUT            --      
11 )
12 AS
13 -- =============================================
14 -- Author:      allen (liyuxin)
15 -- Create date: 2012-03-30
16 -- Description:       (        )
17 -- Modify [1]:  2012-03-30
18 -- =============================================
19 BEGIN
20     DECLARE @strSql VARCHAR(5000)    --   
21     DECLARE @strSqlCount NVARCHAR(500)--         
22     DECLARE @strOrder VARCHAR(300) --     
23 
24     --------------    ---------------
25     IF ISNULL(@strWhere,'') <>'' 
26          SET @strSqlCount='Select @TotalCout=count(*) from  ' + @tbName + ' where 1=1 '+ @strWhere
27     ELSE SET @strSqlCount='Select @TotalCout=count(*) from  ' + @tbName
28     
29     --exec sp_executesql @strSqlCount,N'@TotalCout int output',@TotalCount output
30     --------------  ------------
31     IF @PageIndex <= 0 SET @PageIndex = 1
32 
33     IF(@OrderType<>0) SET @strOrder=' ORDER BY '+@OrderfldName+' DESC '
34     ELSE SET @strOrder=' ORDER BY '+@OrderfldName+' ASC '
35 
36     SET @strSql='SELECT * FROM 
37     (SELECT ROW_NUMBER() OVER('+@strOrder+') RowNo,'+ @tbGetFields+' FROM ' + @tbName + ' WHERE 1=1 ' + @strWhere+' ) tb 
38     WHERE tb.RowNo BETWEEN '+str((@PageIndex-1)*@PageSize+1)+' AND ' +str(@PageIndex*@PageSize)
39 
40     exec(@strSql)
41     SELECT @TotalCount
42 END




2、Max/top    

create proc [dbo].[spSqlPageByMaxTop]
@tbName varchar(255),        --  
@tbFields varchar(1000),      --    
@PageSize int,                --   
@PageIndex int,                --  
@strWhere varchar(1000),    --    
@StrOrder varchar(255),  --    
@Total int output            --      
as
declare @strSql varchar(5000)    --   
declare @strSqlCount nvarchar(500)--         

--------------    ---------------
if @strWhere !=''
begin
set @strSqlCount='Select @TotalCout=count(*) from  ' + @tbName + ' where '+ @strWhere
end
else
begin
set @strSqlCount='Select @TotalCout=count(*) from  ' + @tbName
end
--------------  ------------
if @PageIndex <= 0
begin
  set @PageIndex = 1
end

set @strSql='select top '+str(@PageSize)+' * from ' + @tbName + '
where id>(select max(id) from (select top '+str((@PageIndex-1)*@PageSize)+' id from ' + @tbName + ''+@strOrder+')a)
'+@strOrder+''

exec sp_executesql @strSqlCount,N'@TotalCout int output',@Total output
exec(@strSql)