剖析SQLSERVER2005的页面结构--行类型篇一

--------------------------------------------------------------------- -- Author : HappyFlyStone -- Date : 2009-11-30 -- Version: Microsoft SQL Server 2005 - 9.00.2047.00 (Intel X86) -- Apr 14 2006 01:12:25 -- Copyright (c) 1988-2005 Micros

---------------------------------------------------------------------

-- Author : HappyFlyStone

-- Date   : 2009-11-30

-- Version: Microsoft SQL Server 2005 - 9.00.2047.00 (Intel X86)

--      Apr 14 2006 01:12:25

--          Copyright (c) 1988-2005 Microsoft Corporation

--          Enterprise Edition on Windows NT 5.2 (Build 3790: SP2)

--     

---------------------------------------------------------------------

CREATE PROC sp_us_FPSinfo

@FORWARDING_STUB BINARY(8)

AS

SELECT

    CAST(

        CONVERT(INT,SUBSTRING(@FORWARDING_STUB,6,1)) * POWER(2,8)

       + CONVERT(INT,SUBSTRING(@FORWARDING_STUB,5,1))

       AS VARCHAR)+'       : ' --File_num

   +CAST(

        (CONVERT(INT,SUBSTRING(@FORWARDING_STUB,4,1)) * POWER(2,24))

      + (CONVERT(INT,SUBSTRING(@FORWARDING_STUB,3,1)) * POWER(2,16))

      + (CONVERT(INT,SUBSTRING(@FORWARDING_STUB,2,1)) * POWER(2,8 ))

      + (CONVERT(INT,SUBSTRING(@FORWARDING_STUB,1,1))) AS VARCHAR)

      +'   : '  --Page_id

   +CAST(CAST(SUBSTRING(@FORWARDING_STUB,8,1) * POWER(2,8 ) +

           + SUBSTRING(@FORWARDING_STUB,7,1) AS INT ) AS VARCHAR)

    AS 'FILE_NUM:PAGE_ID:SLOT_ID'

GO

 

EXEC  sp_us_FPSinfo 0xDD00000001000200 --

 

DROP PROC sp_us_FPSinfo

/*

FILE_NUM:PAGE_ID:SLOT

--------------------------

1       : 221    : 2

 

(1 行受影响)

*/