首页 > 代码库 > 数据库中数据DELETE了怎样恢复

数据库中数据DELETE了怎样恢复

USE [BBDAS_FP_DATA]GO/****** Object:  StoredProcedure [dbo].[Recover_Deleted_Data_Proc]    Script Date: 07/12/2014 15:09:44 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOALTER PROCEDURE [dbo].[Recover_Deleted_Data_Proc]    @Database_Name NVARCHAR(MAX) ,    @SchemaName_n_TableName NVARCHAR(MAX) ,    @Date_From DATETIME = 2014/07/11 ,    @Date_To DATETIME = 2014/07/12AS    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 24END ) --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] = 0UPDATE  @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]+1FROM    @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            --恢复数据,不加时间段条件  参数:数据库名,表名--EXAMPLE #1 : FOR ALL DELETED RECORDSEXEC Recover_Deleted_Data_Proc BBDAS_FP_DATA,dbo.T_DATAGO--恢复数据,加时间段条件--EXAMPLE #2 : FOR ANY SPECIFIC DATE RANGEEXEC Recover_Deleted_Data_Proc test,dbo.aa,2014-04-23,2014-04-23
View Code

不说了,直接上代码了