• SQL Server fn_dblog恢复被误操作删除的数据


    --------------------------===========我是华丽的分割线=======-------------------------------------
    Create PROCEDURE Recover_Deleted_Data_Proc
    @Database_Name NVARCHAR(MAX),
    @SchemaName_n_TableName NVARCHAR(Max),
    @Date_From DATETIME='1900/01/01',
    @Date_To DATETIME ='9999/12/31'
    AS
     
    DECLARE @RowLogContents VARBINARY(8000)
    DECLARE @TransactionID NVARCHAR(Max)
    DECLARE @AllocUnitID BIGINT
    DECLARE @AllocUnitName NVARCHAR(Max)
    DECLARE @SQL NVARCHAR(Max)
    DECLARE @Compatibility_Level INT
     
    SELECT @Compatibility_Level=dtb.compatibility_level
    FROM
    master.sys.databases AS dtb WHERE dtb.name=@Database_Name
     
    IF ISNULL(@Compatibility_Level,0)<=80
    BEGIN
        RAISERROR('The compatibility level should be equal to or greater SQL SERVER 2005 (90)',16,1)
        RETURN
    END
     
    IF (SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE [TABLE_SCHEMA]+'.'+[TABLE_NAME]=@SchemaName_n_TableName)=0
    BEGIN
        RAISERROR('Could not found the table in the defined database',16,1)
        RETURN
    END
     
    DECLARE @bitTable TABLE
    (
      [ID] INT,
      [Bitvalue] INT
    )
    --Create table to set the bit position of one byte.
     
    INSERT INTO @bitTable
    SELECT 0,2 UNION ALL
    SELECT 1,2 UNION ALL
    SELECT 2,4 UNION ALL
    SELECT 3,8 UNION ALL
    SELECT 4,16 UNION ALL
    SELECT 5,32 UNION ALL
    SELECT 6,64 UNION ALL
    SELECT 7,128
     
    --Create table to collect the row data.
    DECLARE @DeletedRecords TABLE
    (
        [Row ID]            INT IDENTITY(1,1),
        [RowLogContents]    VARBINARY(8000),
        [AllocUnitID]       BIGINT,
        [Transaction ID]    NVARCHAR(Max),
        [FixedLengthData]   SMALLINT,
        [TotalNoOfCols]     SMALLINT,
        [NullBitMapLength]  SMALLINT,
        [NullBytes]         VARBINARY(8000),
        [TotalNoofVarCols]  SMALLINT,
        [ColumnOffsetArray] VARBINARY(8000),
        [VarColumnStart]    SMALLINT,
        [Slot ID]           INT,
        [NullBitMap]        VARCHAR(MAX)
     
    )
    --Create a common table expression to get all the row data plus how many bytes we have for each row.
    ;WITH RowData AS (
    SELECT
     
    [RowLog Contents 0] AS [RowLogContents] 
     
    ,[AllocUnitID] AS [AllocUnitID] 
     
    ,[Transaction ID] AS [Transaction ID]  
     
    --[Fixed Length Data] = Substring (RowLog content 0, Status Bit A+ Status Bit B + 1,2 bytes)
    ,CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) AS [FixedLengthData]  --@FixedLengthData
     
    -- [TotalnoOfCols] =  Substring (RowLog content 0, [Fixed Length Data] + 1,2 bytes)
    ,CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2)))) as  [TotalNoOfCols]
     
    --[NullBitMapLength]=ceiling([Total No of Columns] /8.0)
    ,CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0)) as [NullBitMapLength] 
     
    --[Null Bytes] = Substring (RowLog content 0, Status Bit A+ Status Bit B + [Fixed Length Data] +1, [NullBitMapLength] )
    ,SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 3,
    CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0))) as [NullBytes]
     
    --[TotalNoofVarCols] = Substring (RowLog content 0, Status Bit A+ Status Bit B + [Fixed Length Data] +1, [Null Bitmap length] + 2 )
    ,(CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) In (0x10,0x30,0x70) THEN
    CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],
    CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 3
    + CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0)), 2))))  ELSE null  END) AS [TotalNoofVarCols] 
     
    --[ColumnOffsetArray]= Substring (RowLog content 0, Status Bit A+ Status Bit B + [Fixed Length Data] +1, [Null Bitmap length] + 2 , [TotalNoofVarCols]*2 )
    ,(CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) In (0x10,0x30,0x70) THEN
    SUBSTRING([RowLog Contents 0]
    , CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 3
    + CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0)) + 2
    , (CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) In (0x10,0x30,0x70) THEN
    CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],
    CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 3
    + CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0)), 2))))  ELSE null  END)
    * 2)  ELSE null  END) AS [ColumnOffsetArray] 
     
    --  Variable column Start = Status Bit A+ Status Bit B + [Fixed Length Data] + [Null Bitmap length] + 2+([TotalNoofVarCols]*2)
    ,CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1)In (0x10,0x30,0x70)
    THEN  (
    CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 4 
     
    + CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0)) 
     
    + ((CASE WHEN SUBSTRING([RowLog Contents 0], 1, 1) In (0x10,0x30,0x70) THEN
    CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0],
    CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 3
    + CONVERT(INT, ceiling(CONVERT(INT, CONVERT(BINARY(2), REVERSE(SUBSTRING([RowLog Contents 0], CONVERT(SMALLINT, CONVERT(BINARY(2)
    ,REVERSE(SUBSTRING([RowLog Contents 0], 2 + 1, 2)))) + 1, 2))))/8.0)), 2))))  ELSE null  END) * 2)) 
     
    ELSE null End AS [VarColumnStart]
    ,[Slot ID]
    FROM sys.fn_dblog(NULL, NULL)
    WHERE
    AllocUnitId IN
    (SELECT [Allocation_unit_id] FROM sys.allocation_units allocunits
    INNER JOIN sys.partitions partitions ON (allocunits.type IN (1, 3)
    AND partitions.hobt_id = allocunits.container_id) OR (allocunits.type = 2
    AND partitions.partition_id = allocunits.container_id)
    WHERE object_id=object_ID('' + @SchemaName_n_TableName + ''))
     
    AND Context IN ('LCX_MARK_AS_GHOST', 'LCX_HEAP') AND Operation in ('LOP_DELETE_ROWS')
    And SUBSTRING([RowLog Contents 0], 1, 1)In (0x10,0x30,0x70)
     
    /*Use this subquery to filter the date*/
    AND [TRANSACTION ID] IN (SELECT DISTINCT [TRANSACTION ID] FROM    sys.fn_dblog(NULL, NULL)
    WHERE Context IN ('LCX_NULL') AND Operation in ('LOP_BEGIN_XACT')
    And [Transaction Name] In ('DELETE','user_transaction')
    And  CONVERT(NVARCHAR(11),[Begin Time]) BETWEEN @Date_From AND @Date_To)),
     
    --Use this technique to repeate the row till the no of bytes of the row.
    N1 (n) AS (SELECT 1 UNION ALL SELECT 1),
    N2 (n) AS (SELECT 1 FROM N1 AS X, N1 AS Y),
    N3 (n) AS (SELECT 1 FROM N2 AS X, N2 AS Y),
    N4 (n) AS (SELECT ROW_NUMBER() OVER(ORDER BY X.n)
               FROM N3 AS X, N3 AS Y)
     
    INSERT INTO @DeletedRecords
    SELECT  RowLogContents
            ,[AllocUnitID]
            ,[Transaction ID]
            ,[FixedLengthData]
            ,[TotalNoOfCols]
            ,[NullBitMapLength]
            ,[NullBytes]
            ,[TotalNoofVarCols]
            ,[ColumnOffsetArray]
            ,[VarColumnStart]
            ,[Slot ID]
             ---Get the Null value against each column (1 means null zero means not null)
            ,[NullBitMap]=(REPLACE(STUFF((SELECT ',' +
            (CASE WHEN [ID]=0 THEN CONVERT(NVARCHAR(1),(SUBSTRING(NullBytes, n, 1) % 2))  ELSE CONVERT(NVARCHAR(1),((SUBSTRING(NullBytes, n, 1) / [Bitvalue]) % 2)) END) --as [nullBitMap]
     
    FROM
    N4 AS Nums
    Join RowData AS C ON n<=NullBitMapLength
    Cross Join @bitTable WHERE C.[RowLogContents]=D.[RowLogContents] ORDER BY [RowLogContents],n ASC FOR XML PATH('')),1,1,''),',',''))
    FROM RowData D
     
    IF (SELECT COUNT(*) FROM @DeletedRecords)=0
    BEGIN
        RAISERROR('There is no data in the log as per the search criteria',16,1)
        RETURN
    END
     
    DECLARE @ColumnNameAndData TABLE
    (
     [Row ID]           int,
     [Rowlogcontents]   varbinary(Max),
     [NAME]             sysname,
     [nullbit]          smallint,
     [leaf_offset]      smallint,
     [length]           smallint,
     [system_type_id]   tinyint,
     [bitpos]           tinyint,
     [xprec]            tinyint,
     [xscale]           tinyint,
     [is_null]          int,
     [Column value Size]int,
     [Column Length]    int,
     [hex_Value]        varbinary(max),
     [Slot ID]          int,
     [Update]           int
    )
     
    --Create common table expression and join it with the rowdata table
    -- to get each column details
    /*This part is for variable data columns*/
    --@RowLogContents,
    --(col.columnOffValue - col.columnLength) + 1,
    --col.columnLength
    --)
    INSERT INTO @ColumnNameAndData
    SELECT
    [Row ID],
    Rowlogcontents,
    NAME ,
    cols.leaf_null_bit AS nullbit,
    leaf_offset,
    ISNULL(syscolumns.length, cols.max_length) AS [length],
    cols.system_type_id,
    cols.leaf_bit_position AS bitpos,
    ISNULL(syscolumns.xprec, cols.precision) AS xprec,
    ISNULL(syscolumns.xscale, cols.scale) AS xscale,
    SUBSTRING([nullBitMap], cols.leaf_null_bit, 1) AS is_null,
    (CASE WHEN leaf_offset<1 and SUBSTRING([nullBitMap], cols.leaf_null_bit, 1)=0
    THEN
    (Case When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000
    THEN
    CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) - POWER(2, 15)
    ELSE
    CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    END)
    END)  AS [Column value Size],
     
    (CASE WHEN leaf_offset<1 and SUBSTRING([nullBitMap], cols.leaf_null_bit, 1)=0  THEN
    (Case
     
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])<30000
    THEN  (Case When [System_type_id]In (35,34,99) Then 16 else 24  end)
     
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])>30000
    THEN  (Case When [System_type_id]In (35,34,99) Then 16 else 24  end) --24 
     
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) <30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])<30000
    THEN (CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    - ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart]))
     
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) <30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])>30000
     
    THEN POWER(2, 15) +CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    - ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])
     
    END)
     
    END) AS [Column Length]
     
    ,(CASE WHEN SUBSTRING([nullBitMap], cols.leaf_null_bit, 1)=1 THEN  NULL ELSE
     SUBSTRING
     (
     Rowlogcontents,
     (
     
    (Case When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000
    THEN
    CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) - POWER(2, 15)
    ELSE
    CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    END)
     
     -
    (Case When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])<30000
     
    THEN  (Case When [System_type_id]In (35,34,99) Then 16 else 24  end) --24
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])>30000
     
    THEN  (Case When [System_type_id]In (35,34,99) Then 16 else 24  end) --24
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) <30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])<30000
     
    THEN CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    - ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])
     
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) <30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])>30000
     
    THEN POWER(2, 15) +CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    - ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])
     
    END)
     
    ) + 1,
    (Case When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])<30000
     
    THEN  (Case When [System_type_id] In (35,34,99) Then 16 else 24  end) --24
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) >30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])>30000
     
    THEN  (Case When [System_type_id] In (35,34,99) Then 16 else 24  end) --24
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) <30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])<30000
     
    THEN ABS(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    - ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart]))
     
    When CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2)))) <30000 And
    ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])>30000
     
    THEN POWER(2, 15) +CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * leaf_offset*-1) - 1, 2))))
    - ISNULL(NULLIF(CONVERT(INT, CONVERT(BINARY(2), REVERSE (SUBSTRING ([ColumnOffsetArray], (2 * ((leaf_offset*-1) - 1)) - 1, 2)))), 0), [varColumnStart])
     
    END)
    )
     
    END) AS hex_Value
    ,[Slot ID]
    ,0
    FROM @DeletedRecords A
    Inner Join sys.allocation_units allocunits On A.[AllocUnitId]=allocunits.[Allocation_Unit_Id]
    INNER JOIN sys.partitions partitions ON (allocunits.type IN (1, 3)
    AND partitions.hobt_id = allocunits.container_id) OR (allocunits.type = 2 AND partitions.partition_id = allocunits.container_id)
    INNER JOIN sys.system_internals_partition_columns cols ON cols.partition_id = partitions.partition_id
    LEFT OUTER JOIN syscolumns ON syscolumns.id = partitions.object_id AND syscolumns.colid = cols.partition_column_id
    WHERE leaf_offset<0
    UNION
    /*This part is for fixed data columns*/
    SELECT
    [Row ID],
    Rowlogcontents,
    NAME ,
    cols.leaf_null_bit AS nullbit,
    leaf_offset,
    ISNULL(syscolumns.length, cols.max_length) AS [length],
    cols.system_type_id,
    cols.leaf_bit_position AS bitpos,
    ISNULL(syscolumns.xprec, cols.precision) AS xprec,
    ISNULL(syscolumns.xscale, cols.scale) AS xscale,
    SUBSTRING([nullBitMap], cols.leaf_null_bit, 1) AS is_null,
    (SELECT TOP 1 ISNULL(SUM(CASE WHEN C.leaf_offset >1 THEN max_length ELSE 0 END),0) FROM
    sys.system_internals_partition_columns C WHERE cols.partition_id =C.partition_id And C.leaf_null_bit<cols.leaf_null_bit)+5 AS [Column value Size],
    syscolumns.length AS [Column Length]
     
    ,CASE WHEN SUBSTRING([nullBitMap], cols.leaf_null_bit, 1)=1 THEN NULL ELSE
    SUBSTRING
    (
    Rowlogcontents,(SELECT TOP 1 ISNULL(SUM(CASE WHEN C.leaf_offset >1 And C.leaf_bit_position=0 THEN max_length ELSE 0 END),0) FROM
    sys.system_internals_partition_columns C where cols.partition_id =C.partition_id And C.leaf_null_bit<cols.leaf_null_bit)+5
    ,syscolumns.length) END AS hex_Value
    ,[Slot ID]
    ,0
    FROM @DeletedRecords A
    Inner Join sys.allocation_units allocunits ON A.[AllocUnitId]=allocunits.[Allocation_Unit_Id]
    INNER JOIN sys.partitions partitions ON (allocunits.type IN (1, 3)
    AND partitions.hobt_id = allocunits.container_id) OR (allocunits.type = 2 AND partitions.partition_id = allocunits.container_id)
    INNER JOIN sys.system_internals_partition_columns cols ON cols.partition_id = partitions.partition_id
    LEFT OUTER JOIN syscolumns ON syscolumns.id = partitions.object_id AND syscolumns.colid = cols.partition_column_id
    WHERE leaf_offset>0
    Order By nullbit
     
    Declare @BitColumnByte as int
    Select @BitColumnByte=CONVERT(INT, ceiling( Count(*)/8.0)) from @ColumnNameAndData Where [System_Type_id]=104
     
    ;With N1 (n) AS (SELECT 1 UNION ALL SELECT 1),
    N2 (n) AS (SELECT 1 FROM N1 AS X, N1 AS Y),
    N3 (n) AS (SELECT 1 FROM N2 AS X, N2 AS Y),
    N4 (n) AS (SELECT ROW_NUMBER() OVER(ORDER BY X.n)
               FROM N3 AS X, N3 AS Y),
    CTE As(
    Select RowLogContents,[nullbit]
            ,[BitMap]=Convert(varbinary(1),Convert(int,Substring((REPLACE(STUFF((SELECT ',' +
            (CASE WHEN [ID]=0 THEN CONVERT(NVARCHAR(1),(SUBSTRING(hex_Value, n, 1) % 2))  ELSE CONVERT(NVARCHAR(1),((SUBSTRING(hex_Value, n, 1) / [Bitvalue]) % 2)) END) --as [nullBitMap]
     
    from N4 AS Nums
    Join @ColumnNameAndData AS C ON n<=@BitColumnByte And [System_Type_id]=104 And bitpos=0
    Cross Join @bitTable WHERE C.[RowLogContents]=D.[RowLogContents] ORDER BY [RowLogContents],n ASC FOR XML PATH('')),1,1,''),',','')),bitpos+1,1)))
    FROM @ColumnNameAndData D Where  [System_Type_id]=104)
     
    Update A Set [hex_Value]=[BitMap]
    from @ColumnNameAndData  A
    Inner Join CTE B On A.[RowLogContents]=B.[RowLogContents]
    And A.[nullbit]=B.[nullbit]
     
    /**************Check for BLOB DATA TYPES******************************/
    DECLARE @Fileid INT
    DECLARE @Pageid INT
    DECLARE @Slotid INT
    DECLARE @CurrentLSN INT
    DECLARE @LinkID INT
    DECLARE @Context VARCHAR(50)
    DECLARE @ConsolidatedPageID VARCHAR(MAX)
    DECLARE @LCX_TEXT_MIX VARBINARY(MAX)
     
    declare @temppagedata table
    (
    [ParentObject] sysname,
    [Object] sysname,
    [Field] sysname,
    [Value] sysname)
     
    declare @pagedata table
    (
    [Page ID] sysname,
    [File IDS] int,
    [Page IDS] int,
    [AllocUnitId] bigint,
    [ParentObject] sysname,
    [Object] sysname,
    [Field] sysname,
    [Value] sysname)
     
    DECLARE @ModifiedRawData TABLE
    (
      [ID] INT IDENTITY(1,1),
      [PAGE ID] VARCHAR(MAX),
      [FILE IDS] INT,
      [PAGE IDS] INT,
      [Slot ID]  INT,
      [AllocUnitId] BIGINT,
      [RowLog Contents 0_var] VARCHAR(Max),
      [RowLog Length] VARCHAR(50),
      [RowLog Len] INT,
      [RowLog Contents 0] VARBINARY(Max),
      [Link ID] INT default (0),
      [Update] INT
    )
     
                DECLARE Page_Data_Cursor CURSOR FOR
                /*We need to filter LOP_MODIFY_ROW,LOP_MODIFY_COLUMNS from log for deleted records of BLOB data type& Get its Slot No, Page ID & AllocUnit ID*/
                SELECT LTRIM(RTRIM(Replace([Description],'Deallocated',''))) AS [PAGE ID]
                ,[Slot ID],[AllocUnitId],NULL AS [RowLog Contents 0],NULL AS [RowLog Contents 0],Context
                FROM    sys.fn_dblog(NULL, NULL)
                WHERE
                AllocUnitId IN
                (SELECT [Allocation_unit_id] FROM sys.allocation_units allocunits
                INNER JOIN sys.partitions partitions ON (allocunits.type IN (1, 3)
                AND partitions.hobt_id = allocunits.container_id) OR (allocunits.type = 2
                AND partitions.partition_id = allocunits.container_id)
                WHERE object_id=object_ID('' + @SchemaName_n_TableName + ''))
                AND Operation IN ('LOP_MODIFY_ROW') AND [Context] IN ('LCX_PFS')
                AND Description Like '%Deallocated%'
                /*Use this subquery to filter the date*/
                AND [TRANSACTION ID] IN (SELECT DISTINCT [TRANSACTION ID] FROM    sys.fn_dblog(NULL, NULL)
                WHERE Context IN ('LCX_NULL') AND Operation in ('LOP_BEGIN_XACT')
                AND [Transaction Name]='DELETE'
                AND  CONVERT(NVARCHAR(11),[Begin Time]) BETWEEN @Date_From AND @Date_To)
                GROUP BY [Description],[Slot ID],[AllocUnitId],Context
     
                UNION
     
                SELECT [PAGE ID],[Slot ID],[AllocUnitId]
                ,Substring([RowLog Contents 0],15,LEN([RowLog Contents 0])) AS [RowLog Contents 0]
                ,CONVERT(INT,Substring([RowLog Contents 0],7,2)),Context --,CAST(RIGHT([Current LSN],4) AS INT) AS [Current LSN]
                FROM    sys.fn_dblog(NULL, NULL)
                WHERE
                 AllocUnitId IN
                (SELECT [Allocation_unit_id] FROM sys.allocation_units allocunits
                INNER JOIN sys.partitions partitions ON (allocunits.type IN (1, 3)
                AND partitions.hobt_id = allocunits.container_id) OR (allocunits.type = 2
                AND partitions.partition_id = allocunits.container_id)
                WHERE object_id=object_ID('' + @SchemaName_n_TableName + ''))
                AND Context IN ('LCX_TEXT_MIX') AND Operation in ('LOP_DELETE_ROWS')
                /*Use this subquery to filter the date*/
                AND [TRANSACTION ID] IN (SELECT DISTINCT [TRANSACTION ID] FROM    sys.fn_dblog(NULL, NULL)
                WHERE Context IN ('LCX_NULL') AND Operation in ('LOP_BEGIN_XACT')
                And [Transaction Name]='DELETE'
                And  CONVERT(NVARCHAR(11),[Begin Time]) BETWEEN @Date_From AND @Date_To)
     
                /****************************************/
     
            OPEN Page_Data_Cursor
     
            FETCH NEXT FROM Page_Data_Cursor INTO @ConsolidatedPageID, @Slotid,@AllocUnitID,@LCX_TEXT_MIX,@LinkID,@Context
     
            WHILE @@FETCH_STATUS = 0
            BEGIN
                DECLARE @hex_pageid AS VARCHAR(Max)
                /*Page ID contains File Number and page number It looks like 0001:00000130.
                  In this example 0001 is file Number &  00000130 is Page Number & These numbers are in Hex format*/
                SET @Fileid=SUBSTRING(@ConsolidatedPageID,0,CHARINDEX(':',@ConsolidatedPageID)) -- Seperate File ID from Page ID
     
                SET @hex_pageid ='0x'+ SUBSTRING(@ConsolidatedPageID,CHARINDEX(':',@ConsolidatedPageID)+1,Len(@ConsolidatedPageID))  ---Seperate the page ID
                SELECT @Pageid=Convert(INT,cast('' AS XML).value('xs:hexBinary(substring(sql:variable("@hex_pageid"),sql:column("t.pos")) )', 'varbinary(max)')) -- Convert Page ID from hex to integer
                FROM (SELECT CASE substring(@hex_pageid, 1, 2) WHEN '0x' THEN 3 ELSE 0 END) AS t(pos) 
     
                IF @Context='LCX_PFS'
                  BEGIN
                            DELETE @temppagedata
                            INSERT INTO @temppagedata EXEC( 'DBCC PAGE(' + @DataBase_Name + ', ' + @fileid + ', ' + @pageid + ', 1) with tableresults,no_infomsgs;');
                            INSERT INTO @pagedata SELECT @ConsolidatedPageID,@fileid,@pageid,@AllocUnitID,[ParentObject],[Object],[Field] ,[Value] FROM @temppagedata
                  END
                ELSE IF @Context='LCX_TEXT_MIX'
                  BEGIN
                            INSERT INTO  @ModifiedRawData SELECT @ConsolidatedPageID,@fileid,@pageid,@Slotid,@AllocUnitID,NULL,0,CONVERT(INT,CONVERT(VARBINARY,REVERSE(SUBSTRING(@LCX_TEXT_MIX,11,2)))),@LCX_TEXT_MIX,@LinkID,0
                  END
                FETCH NEXT FROM Page_Data_Cursor INTO  @ConsolidatedPageID, @Slotid,@AllocUnitID,@LCX_TEXT_MIX,@LinkID,@Context
            END
     
        CLOSE Page_Data_Cursor
        DEALLOCATE Page_Data_Cursor
     
        DECLARE @Newhexstring VARCHAR(MAX);
     
        --The data is in multiple rows in the page, so we need to convert it into one row as a single hex value.
        --This hex value is in string format
        INSERT INTO @ModifiedRawData ([PAGE ID],[FILE IDS],[PAGE IDS],[Slot ID],[AllocUnitId]
        ,[RowLog Contents 0_var]
        , [RowLog Length])
        SELECT [Page ID],[FILE IDS],[PAGE IDS],Substring([ParentObject],CHARINDEX('Slot', [ParentObject])+4, (CHARINDEX('Offset', [ParentObject])-(CHARINDEX('Slot', [ParentObject])+4))-2 ) as [Slot ID]
        ,[AllocUnitId]
        ,Substring((
        SELECT
        REPLACE(STUFF((SELECT REPLACE(SUBSTRING([Value],CHARINDEX(':',[Value])+1,CHARINDEX('+',[Value])-CHARINDEX(':',[Value])),'+','')
        FROM @pagedata C  WHERE B.[Page ID]= C.[Page ID] And Substring(B.[ParentObject],CHARINDEX('Slot', B.[ParentObject])+4, (CHARINDEX('Offset', B.[ParentObject])-(CHARINDEX('Slot', B.[ParentObject])+4)) )=Substring(C.[ParentObject],CHARINDEX('Slot', C.[ParentObject])+4, (CHARINDEX('Offset', C.[ParentObject])-(CHARINDEX('Slot', C.[ParentObject])+4)) ) And
        [Object] Like '%Memory Dump%'  Order By '0x'+ LEFT([Value],CHARINDEX(':',[Value])-1)
        FOR XML PATH('') ),1,1,'') ,' ','')
        ),1,20000) AS [Value]
     
        ,
         Substring((
        SELECT '0x' +REPLACE(STUFF((SELECT REPLACE(SUBSTRING([Value],CHARINDEX(':',[Value])+1,CHARINDEX('+',[Value])-CHARINDEX(':',[Value])),'+','')
        FROM @pagedata C  WHERE B.[Page ID]= C.[Page ID] And Substring(B.[ParentObject],CHARINDEX('Slot', B.[ParentObject])+4, (CHARINDEX('Offset', B.[ParentObject])-(CHARINDEX('Slot', B.[ParentObject])+4)) )=Substring(C.[ParentObject],CHARINDEX('Slot', C.[ParentObject])+4, (CHARINDEX('Offset', C.[ParentObject])-(CHARINDEX('Slot', C.[ParentObject])+4)) ) And
        [Object] Like '%Memory Dump%'  Order By '0x'+ LEFT([Value],CHARINDEX(':',[Value])-1)
        FOR XML PATH('') ),1,1,'') ,' ','')
        ),7,4) AS [Length]
     
        From @pagedata B
        Where [Object] Like '%Memory Dump%'
        Group By [Page ID],[FILE IDS],[PAGE IDS],[ParentObject],[AllocUnitId]--,[Current LSN]
        Order By [Slot ID]
     
        UPDATE @ModifiedRawData  SET [RowLog Len] = CONVERT(VARBINARY(8000),REVERSE(cast('' AS XML).value('xs:hexBinary(substring(sql:column("[RowLog Length]"),0))', 'varbinary(Max)')))
        FROM @ModifiedRawData Where [LINK ID]=0
     
        UPDATE @ModifiedRawData  SET [RowLog Contents 0] =cast('' AS XML).value('xs:hexBinary(substring(sql:column("[RowLog Contents 0_var]"),0))', 'varbinary(Max)')
        FROM @ModifiedRawData Where [LINK ID]=0
     
        Update B Set B.[RowLog Contents 0] =
        (CASE WHEN A.[RowLog Contents 0] IS NOT NULL AND C.[RowLog Contents 0] IS NOT NULL THEN  A.[RowLog Contents 0]+C.[RowLog Contents 0]
            WHEN A.[RowLog Contents 0] IS NULL AND C.[RowLog Contents 0] IS NOT NULL THEN  C.[RowLog Contents 0]
            WHEN A.[RowLog Contents 0] IS NOT NULL AND C.[RowLog Contents 0] IS NULL THEN  A.[RowLog Contents 0]
            END)
        ,B.[Update]=ISNULL(B.[Update],0)+1
        from @ModifiedRawData B
        LEFT Join @ModifiedRawData A On A.[Page IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],15+14,2))))
        And A.[File IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],19+14,2))))
        And A.[Link ID]=B.[Link ID]
        LEFT Join @ModifiedRawData C On C.[Page IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],27+14,2))))
        And C.[File IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],31+14,2))))
        And C.[Link ID]=B.[Link ID]
        Where  (A.[RowLog Contents 0] IS NOT NULL OR C.[RowLog Contents 0] IS NOT NULL)
     
        Update B Set B.[RowLog Contents 0] =
        (CASE WHEN A.[RowLog Contents 0] IS NOT NULL AND C.[RowLog Contents 0] IS NOT NULL THEN  A.[RowLog Contents 0]+C.[RowLog Contents 0]
            WHEN A.[RowLog Contents 0] IS NULL AND C.[RowLog Contents 0] IS NOT NULL THEN  C.[RowLog Contents 0]
            WHEN A.[RowLog Contents 0] IS NOT NULL AND C.[RowLog Contents 0] IS NULL THEN  A.[RowLog Contents 0]
            END)
        --,B.[Update]=ISNULL(B.[Update],0)+1
        from @ModifiedRawData B
        LEFT Join @ModifiedRawData A On A.[Page IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],15+14,2))))
        And A.[File IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],19+14,2))))
        And A.[Link ID]<>B.[Link ID] And B.[Update]=0
        LEFT Join @ModifiedRawData C On C.[Page IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],27+14,2))))
        And C.[File IDS]=Convert(int,Convert(Varbinary(Max),Reverse(Substring(B.[RowLog Contents 0],31+14,2))))
        And C.[Link ID]<>B.[Link ID] And B.[Update]=0
        Where  (A.[RowLog Contents 0] IS NOT NULL OR C.[RowLog Contents 0] IS NOT NULL)
     
        UPDATE @ModifiedRawData  SET [RowLog Contents 0] =
        (Case When [RowLog Len]>=8000 Then
        Substring([RowLog Contents 0] ,15,[RowLog Len])
        When [RowLog Len]<8000 Then
        SUBSTRING([RowLog Contents 0],15+6,Convert(int,Convert(varbinary(max),REVERSE(Substring([RowLog Contents 0],15,6)))))
        End)
        FROM @ModifiedRawData Where [LINK ID]=0
     
        UPDATE @ColumnNameAndData SET [hex_Value]=[RowLog Contents 0]
        --,A.[Update]=A.[Update]+1
        FROM @ColumnNameAndData A
        INNER JOIN @ModifiedRawData B ON
        Convert(int,Convert(Varbinary(Max),Reverse(Substring([hex_value],17,4))))=[PAGE IDS]
        AND  Convert(int,Substring([hex_value],9,2)) =B.[Link ID]
        Where [System_Type_Id] In (99,167,175,231,239,241,165,98) And [Link ID] <>0 
     
        UPDATE @ColumnNameAndData SET [hex_Value]=
        (CASE WHEN B.[RowLog Contents 0] IS NOT NULL AND C.[RowLog Contents 0] IS NOT NULL THEN  B.[RowLog Contents 0]+C.[RowLog Contents 0]
        WHEN B.[RowLog Contents 0] IS NULL AND C.[RowLog Contents 0] IS NOT NULL THEN  C.[RowLog Contents 0]
        WHEN B.[RowLog Contents 0] IS NOT NULL AND C.[RowLog Contents 0] IS NULL THEN  B.[RowLog Contents 0]
        END)
        --,A.[Update]=A.[Update]+1
        FROM @ColumnNameAndData A
        LEFT JOIN @ModifiedRawData B ON
        Convert(int,Convert(Varbinary(Max),Reverse(Substring([hex_value],5,4))))=B.[PAGE IDS]  And B.[Link ID] =0
        LEFT JOIN @ModifiedRawData C ON
        Convert(int,Convert(Varbinary(Max),Reverse(Substring([hex_value],17,4))))=C.[PAGE IDS]  And C.[Link ID] =0
        Where [System_Type_Id] In (99,167,175,231,239,241,165,98)  And (B.[RowLog Contents 0] IS NOT NULL OR C.[RowLog Contents 0] IS NOT NULL)
     
        UPDATE @ColumnNameAndData SET [hex_Value]=[RowLog Contents 0]
        --,A.[Update]=A.[Update]+1
        FROM @ColumnNameAndData A
        INNER JOIN @ModifiedRawData B ON
        Convert(int,Convert(Varbinary(Max),Reverse(Substring([hex_value],9,4))))=[PAGE IDS]
        And Convert(int,Substring([hex_value],3,2))=[Link ID]
        Where [System_Type_Id] In (35,34,99) And [Link ID] <>0 
     
        UPDATE @ColumnNameAndData SET [hex_Value]=[RowLog Contents 0]
        --,A.[Update]=A.[Update]+10
        FROM @ColumnNameAndData A
        INNER JOIN @ModifiedRawData B ON
        Convert(int,Convert(Varbinary(Max),Reverse(Substring([hex_value],9,4))))=[PAGE IDS]
        Where [System_Type_Id] In (35,34,99) And [Link ID] =0
     
        UPDATE @ColumnNameAndData SET [hex_Value]=[RowLog Contents 0]
        --,A.[Update]=A.[Update]+1
        FROM @ColumnNameAndData A
        INNER JOIN @ModifiedRawData B ON
        Convert(int,Convert(Varbinary(Max),Reverse(Substring([hex_value],15,4))))=[PAGE IDS]
        Where [System_Type_Id] In (35,34,99) And [Link ID] =0
     
        Update @ColumnNameAndData set [hex_value]= 0xFFFE + Substring([hex_value],9,LEN([hex_value]))
        --,[Update]=[Update]+1
        Where [system_type_id]=241
     
    CREATE TABLE [#temp_Data]
    (
        [FieldName]  VARCHAR(MAX),
        [FieldValue] NVARCHAR(MAX),
        [Rowlogcontents] VARBINARY(8000),
        [Row ID] int
    )
     
    INSERT INTO #temp_Data
    SELECT NAME,
    CASE
     WHEN system_type_id IN (231, 239) THEN  LTRIM(RTRIM(CONVERT(NVARCHAR(max),hex_Value)))  --NVARCHAR ,NCHAR
     WHEN system_type_id IN (167,175) THEN  LTRIM(RTRIM(CONVERT(VARCHAR(max),hex_Value)))  --VARCHAR,CHAR
     WHEN system_type_id IN (35) THEN  LTRIM(RTRIM(CONVERT(VARCHAR(max),hex_Value))) --Text
     WHEN system_type_id IN (99) THEN  LTRIM(RTRIM(CONVERT(NVARCHAR(max),hex_Value))) --nText
     WHEN system_type_id = 48 THEN CONVERT(VARCHAR(MAX), CONVERT(TINYINT, CONVERT(BINARY(1), REVERSE (hex_Value)))) --TINY INTEGER
     WHEN system_type_id = 52 THEN CONVERT(VARCHAR(MAX), CONVERT(SMALLINT, CONVERT(BINARY(2), REVERSE (hex_Value)))) --SMALL INTEGER
     WHEN system_type_id = 56 THEN CONVERT(VARCHAR(MAX), CONVERT(INT, CONVERT(BINARY(4), REVERSE(hex_Value)))) -- INTEGER
     WHEN system_type_id = 127 THEN CONVERT(VARCHAR(MAX), CONVERT(BIGINT, CONVERT(BINARY(8), REVERSE(hex_Value))))-- BIG INTEGER
     WHEN system_type_id = 61 Then CONVERT(VARCHAR(MAX),CONVERT(DATETIME,CONVERT(VARBINARY(8000),REVERSE (hex_Value))),100) --DATETIME
     WHEN system_type_id =58 Then CONVERT(VARCHAR(MAX),CONVERT(SMALLDATETIME,CONVERT(VARBINARY(8000),REVERSE(hex_Value))),100) --SMALL DATETIME
     WHEN system_type_id = 108 THEN CONVERT(VARCHAR(MAX),CONVERT(NUMERIC(38,20), CONVERT(VARBINARY,CONVERT(VARBINARY(1),xprec)+CONVERT(VARBINARY(1),xscale))+CONVERT(VARBINARY(1),0) + hex_Value)) --- NUMERIC
     WHEN system_type_id =106 THEN CONVERT(VARCHAR(MAX), CONVERT(DECIMAL(38,20), CONVERT(VARBINARY,Convert(VARBINARY(1),xprec)+CONVERT(VARBINARY(1),xscale))+CONVERT(VARBINARY(1),0) + hex_Value)) --- DECIMAL
     WHEN system_type_id In(60,122) THEN CONVERT(VARCHAR(MAX),Convert(MONEY,Convert(VARBINARY(8000),Reverse(hex_Value))),2) --MONEY,SMALLMONEY
     WHEN system_type_id = 104 THEN CONVERT(VARCHAR(MAX),CONVERT (BIT,CONVERT(BINARY(1), hex_Value)%2))  -- BIT
     WHEN system_type_id =62 THEN  RTRIM(LTRIM(STR(CONVERT(FLOAT,SIGN(CAST(CONVERT(VARBINARY(8000),Reverse(hex_Value)) AS BIGINT)) * (1.0 + (CAST(CONVERT(VARBINARY(8000),Reverse(hex_Value)) AS BIGINT) & 0x000FFFFFFFFFFFFF) * POWER(CAST(2 AS FLOAT), -52)) * POWER(CAST(2 AS FLOAT),((CAST(CONVERT(VARBINARY(8000),Reverse(hex_Value)) AS BIGINT) & 0x7ff0000000000000) / EXP(52 * LOG(2))-1023))),53,LEN(hex_Value)))) --- FLOAT
     When system_type_id =59 THEN  Left(LTRIM(STR(CAST(SIGN(CAST(Convert(VARBINARY(8000),REVERSE(hex_Value)) AS BIGINT))* (1.0 + (CAST(CONVERT(VARBINARY(8000),Reverse(hex_Value)) AS BIGINT) & 0x007FFFFF) * POWER(CAST(2 AS Real), -23)) * POWER(CAST(2 AS Real),(((CAST(CONVERT(VARBINARY(8000),Reverse(hex_Value)) AS INT) )& 0x7f800000)/ EXP(23 * LOG(2))-127))AS REAL),23,23)),8) --Real
     WHEN system_type_id In (165,173) THEN (CASE WHEN CHARINDEX(0x,cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'VARBINARY(8000)')) = 0 THEN '0x' ELSE '' END) +cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'varchar(max)') -- BINARY,VARBINARY
     WHEN system_type_id =34 THEN (CASE WHEN CHARINDEX(0x,cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'VARBINARY(8000)')) = 0 THEN '0x' ELSE '' END) +cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'varchar(max)')  --IMAGE
     WHEN system_type_id =36 THEN CONVERT(VARCHAR(MAX),CONVERT(UNIQUEIDENTIFIER,hex_Value)) --UNIQUEIDENTIFIER
     WHEN system_type_id =231 THEN CONVERT(VARCHAR(MAX),CONVERT(sysname,hex_Value)) --SYSNAME
     WHEN system_type_id =241 THEN CONVERT(VARCHAR(MAX),CONVERT(xml,hex_Value)) --XML
     
     WHEN system_type_id =189 THEN (CASE WHEN CHARINDEX(0x,cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'VARBINARY(8000)')) = 0 THEN '0x' ELSE '' END) +cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'varchar(max)') --TIMESTAMP
     WHEN system_type_id=98 THEN (CASE
     WHEN CONVERT(INT,SUBSTRING(hex_Value,1,1))=56 THEN CONVERT(VARCHAR(MAX), CONVERT(INT, CONVERT(BINARY(4), REVERSE(Substring(hex_Value,3,Len(hex_Value))))))  -- INTEGER
     WHEN CONVERT(INT,SUBSTRING(hex_Value,1,1))=108 THEN CONVERT(VARCHAR(MAX),CONVERT(numeric(38,20),CONVERT(VARBINARY(1),Substring(hex_Value,3,1)) +CONVERT(VARBINARY(1),Substring(hex_Value,4,1))+CONVERT(VARBINARY(1),0) + Substring(hex_Value,5,Len(hex_Value)))) --- NUMERIC
     WHEN CONVERT(INT,SUBSTRING(hex_Value,1,1))=167 THEN LTRIM(RTRIM(CONVERT(VARCHAR(max),Substring(hex_Value,9,Len(hex_Value))))) --VARCHAR,CHAR
     WHEN CONVERT(INT,SUBSTRING(hex_Value,1,1))=36 THEN CONVERT(VARCHAR(MAX),CONVERT(UNIQUEIDENTIFIER,Substring((hex_Value),3,20))) --UNIQUEIDENTIFIER
     WHEN CONVERT(INT,SUBSTRING(hex_Value,1,1))=61 THEN CONVERT(VARCHAR(MAX),CONVERT(DATETIME,CONVERT(VARBINARY(8000),REVERSE (Substring(hex_Value,3,LEN(hex_Value)) ))),100) --DATETIME
     WHEN CONVERT(INT,SUBSTRING(hex_Value,1,1))=165 THEN '0x'+ SUBSTRING((CASE WHEN CHARINDEX(0x,cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'VARBINARY(8000)')) = 0 THEN '0x' ELSE '' END) +cast('' AS XML).value('xs:hexBinary(sql:column("hex_Value"))', 'varchar(max)'),11,LEN(hex_Value)) -- BINARY,VARBINARY
     END)
     
    END AS FieldValue
    ,[Rowlogcontents]
    ,[Row ID]
    FROM @ColumnNameAndData ORDER BY nullbit
     
    --Create the column name in the same order to do pivot table.
     
    DECLARE @FieldName VARCHAR(max)
    SET @FieldName = STUFF(
    (
        SELECT ',' + CAST(QUOTENAME([Name]) AS VARCHAR(MAX)) FROM syscolumns WHERE id=object_id('' + @SchemaName_n_TableName + '')
        FOR XML PATH('')), 1, 1, '')
     
    --Finally did pivot table and get the data back in the same format.
     
    SET @sql = 'SELECT ' + @FieldName  + ' FROM #temp_Data PIVOT (Min([FieldValue]) FOR FieldName IN (' + @FieldName  + ')) AS pvt'
    EXEC sp_executesql @sql
     
    GO
  • 相关阅读:
    frp穿透.md
    6_模板与渲染.md
    4_多数据格式返回请求结果.md
    3_请求参数绑定与多数据格式处理.md
    5_中间件.md
    1_go_gin介绍.md
    2_Gin网络请求与路由处理.md
    14_文件.md
    firefox油猴脚本编写.md
    js 四舍五入
  • 原文地址:https://www.cnblogs.com/VicLiu/p/14987153.html
Copyright © 2020-2023  润新知