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转SQL Server 存储过程的经典分页

阅读更多

转自:http://www.iteye.com/topic/230211

 

平台与环境:
CPU:Intel(R) Pentium(R) Dual T2390 1.86GHz
内存:1G(系统正常启动后约占300M空间)
硬盘:SATA 160G 8M Cache
系统:windowsxp+Sql Server 2005 sp2
测试数据:共100万条



分页测试代码:
1)row_number的两种分页方式:分别用top和between过滤
2)包含子查询结果的三种分页方式
共5种方式。



方式1:

每页显示200条
分页至10万条之后的第两百条记录

Java代码 复制代码
  1. PROCEDURE [dbo].[proc_select_moauser1]   
  2. AS   
  3. BEGIN   
  4.  SET NOCOUNT ON;   
  5.     declare @tdiff datetime   
  6.     set @tdiff=getdate()   
  7.     select top 200 * from(select row_number() over(order by uid asc) as rownumber,* from moa_user ) as tb where rownumber>100000  
  8.     select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'  
  9. END  
PROCEDURE [dbo].[proc_select_moauser1]
AS
BEGIN
 SET NOCOUNT ON;
    declare @tdiff datetime
    set @tdiff=getdate()
    select top 200 * from(select row_number() over(order by uid asc) as rownumber,* from moa_user ) as tb where rownumber>100000
    select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'
END


响应时间:156ms-210ms



方式2:

每页显示200条
分页至10万条之后的第两百条记录

Java代码 复制代码
  1. PROCEDURE [dbo].[proc_select_moauser2]   
  2. AS   
  3. BEGIN   
  4.  -- SET NOCOUNT ON added to prevent extra result sets from   
  5.  -- interfering with SELECT statements.   
  6.  SET NOCOUNT ON;   
  7.   
  8.     -- Insert statements for procedure here   
  9.  declare @tdiff datetime   
  10.     set @tdiff=getdate()   
  11.     select * from(select row_number() over(order by uid asc) as rownumber,* from moa_user ) as tb where rownumber between 100000 and 100200  
  12.     select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'  
  13. END  
PROCEDURE [dbo].[proc_select_moauser2]
AS
BEGIN
 -- SET NOCOUNT ON added to prevent extra result sets from
 -- interfering with SELECT statements.
 SET NOCOUNT ON;

    -- Insert statements for procedure here
 declare @tdiff datetime
    set @tdiff=getdate()
    select * from(select row_number() over(order by uid asc) as rownumber,* from moa_user ) as tb where rownumber between 100000 and 100200
    select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'
END


响应时间:153ms-176ms



方式3

每页显示200条
分页至10万条之后的第两百条记录

Java代码 复制代码
  1. PROCEDURE [dbo].[proc_select_moauser3]   
  2. AS   
  3. BEGIN   
  4.  -- SET NOCOUNT ON added to prevent extra result sets from   
  5.  -- interfering with SELECT statements.   
  6.  SET NOCOUNT ON;   
  7.    declare @tdiff datetime   
  8.     set @tdiff=getdate()   
  9.     select top 200  * from moa_user a  where uid  not in(select top 100000  uid  from moa_user  b order by uid)   
  10.     select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'  
  11. END  
PROCEDURE [dbo].[proc_select_moauser3]
AS
BEGIN
 -- SET NOCOUNT ON added to prevent extra result sets from
 -- interfering with SELECT statements.
 SET NOCOUNT ON;
   declare @tdiff datetime
    set @tdiff=getdate()
    select top 200  * from moa_user a  where uid  not in(select top 100000  uid  from moa_user  b order by uid)
    select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'
END



响应时间:270ms-290ms


方式4:

每页显示200条
分页至10万条之后的第两百条记录

Java代码 复制代码
  1. PROCEDURE [dbo].[proc_select_moauser4]   
  2. AS   
  3. BEGIN   
  4.  -- SET NOCOUNT ON added to prevent extra result sets from   
  5.  -- interfering with SELECT statements.   
  6.  SET NOCOUNT ON;   
  7.     declare @tdiff datetime   
  8.     set @tdiff=getdate()   
  9.     -- Insert statements for procedure here   
  10.    select * from ( select TOP 200 * FROM ( SELECT TOP 100000 * from moa_user ORDER BY uid ASC ) as amoaUser ORDER BY uid DESC ) as bmoaUser ORDER BY uid ASC   
  11.     select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'      
  12. END  
PROCEDURE [dbo].[proc_select_moauser4]
AS
BEGIN
 -- SET NOCOUNT ON added to prevent extra result sets from
 -- interfering with SELECT statements.
 SET NOCOUNT ON;
    declare @tdiff datetime
    set @tdiff=getdate()
    -- Insert statements for procedure here
   select * from ( select TOP 200 * FROM ( SELECT TOP 100000 * from moa_user ORDER BY uid ASC ) as amoaUser ORDER BY uid DESC ) as bmoaUser ORDER BY uid ASC
    select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'   
END

响应时间:950ms



方式5:
每页显示200条
分页至10万条之后的第两百条记录

Java代码 复制代码
  1. PROCEDURE [dbo].[proc_select_moauser5]   
  2.     
  3. AS   
  4. BEGIN   
  5.  -- SET NOCOUNT ON added to prevent extra result sets from   
  6.  -- interfering with SELECT statements.   
  7.  SET NOCOUNT ON;   
  8.   
  9.     -- Insert statements for procedure here   
  10.  declare @tdiff datetime   
  11.     set @tdiff=getdate()   
  12.     -- Insert statements for procedure here   
  13.    SELECT TOP 200 * FROM moa_user WHERE (uid > (SELECT MAX(uid) FROM (SELECT TOP 100000 uid FROM moa_user ORDER BY uid) AS temp_moa_user)) ORDER BY uid   
  14.     select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'      
  15. END  
PROCEDURE [dbo].[proc_select_moauser5]
 
AS
BEGIN
 -- SET NOCOUNT ON added to prevent extra result sets from
 -- interfering with SELECT statements.
 SET NOCOUNT ON;

    -- Insert statements for procedure here
 declare @tdiff datetime
    set @tdiff=getdate()
    -- Insert statements for procedure here
   SELECT TOP 200 * FROM moa_user WHERE (uid > (SELECT MAX(uid) FROM (SELECT TOP 100000 uid FROM moa_user ORDER BY uid) AS temp_moa_user)) ORDER BY uid
    select datediff(ms,@tdiff,getdate()) as '耗时(毫秒)'   
END


响应时间:135ms

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