Delta extraction for COPA generic datasource

Hi,
I have created generic datasource for COPA with timestamp as delta.I have initialized the delta in BW and was able to extract the same number of records which I had in RSA3.To test the delta created couple of records and when tried to extract it was giving me 0 records with Info doc status 8 in the status tab.The processing is red and it does not drop down. I checked in the the roosource table in R3 and it shows delta process as AIE and safety interval is 120 for the timestamp(will change it later).

The safety interval is just 120 seconds. One more thing is when I initialized the delta on the R3 side in RSA7 I can find my datasource but under the status tab it shows some other datasource and also the delta field and current status are empty. So do u think I have to add the UPMOD field to my generic datasource or any of your suggestions for creating delta are welcome.
Regards,
Kal

Similar Messages

  • Delta extraction for a generic datasource

    Hi BWers,
    I want put in Delta the extraction of a generic datasource.
    Currently this generic datasource is based on the table VBPA (Sales Document: Partner). Any time field exists.
    We need a time field in order to converse to a Delta extraction. This time field exists in the table VBAP (Sales Document: Item data). In fact two time fields exist: one which is filled at the creation of the sales order (ERDAT), another at the change of the sales order (AEDAT).
    The fields VBELN, POSNR and MANDT are keys in the tables VBAP and VBPA.
    The table VBAP changes when partner functions is created or changed in a sales order (VBELN) :
    - When it is a creation of a new sales order (with new partner functions), a new record is created in VBAP and the field ERDAT (Created on) is filled. The field AEDAT (Changed on) is empty.
    - When is a change of an existing sales order, the corresponding record in VBAP changed, and the field AEDAT is filled. ERDAT stays unchanged.
    In order to converse to the Delta extraction, i need a only one time-field (calendar day) in RSO2 / Generic Delta.
    But there is 2 time-fields ERDAT and AEDAT. So i just need to get AEDAT if it is filled, else if AEDAT is empty I will get ERDAT.
    I would base my datasource on a view between VBPA and VBAP with one field which will be filled by AEDAT or ERDAT (with the conditions below). But it seems it is not possible.
    Can you give me other ideas ?
    Thanks a lot.
    Cheers,
    Vince.

    In order to create a generic delta from two source fields, ERDAT and AEDAT in this case, you're going to have to create your generic extractor from a Function Module. Otherwise you'll only have the standard functionality available to you for creating the generic delta, which allows you to base it on only one column.
    Here's a sample you can use, that was created for VBFA, and change for your DataSource.
    FUNCTION y_docu_flow.
    *"*"Local interface:
    *"  IMPORTING
    *"     VALUE(I_REQUNR) TYPE  SRSC_S_IF_SIMPLE-REQUNR
    *"     VALUE(I_DSOURCE) TYPE  SRSC_S_IF_SIMPLE-DSOURCE OPTIONAL
    *"     VALUE(I_MAXSIZE) TYPE  SRSC_S_IF_SIMPLE-MAXSIZE OPTIONAL
    *"     VALUE(I_INITFLAG) TYPE  SRSC_S_IF_SIMPLE-INITFLAG OPTIONAL
    *"     VALUE(I_READ_ONLY) TYPE  SRSC_S_IF_SIMPLE-READONLY OPTIONAL
    *"     VALUE(I_REMOTE_CALL) TYPE  SBIWA_FLAG DEFAULT SBIWA_C_FLAG_OFF
    *"  TABLES
    *"      I_T_SELECT TYPE  SRSC_S_IF_SIMPLE-T_SELECT OPTIONAL
    *"      I_T_FIELDS TYPE  SRSC_S_IF_SIMPLE-T_FIELDS OPTIONAL
    *"      E_T_DATA STRUCTURE  YSDS_DOCU_FLOW OPTIONAL
    *"  EXCEPTIONS
    *"      NO_MORE_DATA
    *"      ERROR_PASSED_TO_MESS_HANDLER
    *& Global Data Declarations
    * Type for VBFA Data
      TYPES : BEGIN OF ty_vbfa            ,
                mandt   TYPE vbfa-mandt   ,
                vbelv   TYPE vbfa-vbelv   ,
                posnv   TYPE vbfa-posnv   ,
                vbeln   TYPE vbfa-vbeln   ,
                posnn   TYPE vbfa-posnn   ,
                vbtyp_n TYPE vbfa-vbtyp_n ,
                rfmng   TYPE vbfa-rfmng   ,
                meins   TYPE vbfa-meins   ,
                rfwrt   TYPE vbfa-rfwrt   ,
                waers   TYPE vbfa-waers   ,
                vbtyp_v TYPE vbfa-vbtyp_v ,
                plmin   TYPE vbfa-plmin   ,
                erdat   TYPE vbfa-erdat   ,
                aedat   TYPE vbfa-aedat   ,
              END   OF ty_vbfa            .
    * Internal Tables and Selection Criteria Structure
      DATA : t_vbfa     TYPE STANDARD TABLE OF ty_vbfa ,
             l_s_select TYPE srsc_s_select             .
    * Field Symbols
      FIELD-SYMBOLS : <fs_fields> TYPE rsfieldsel.
    * Constants
      CONSTANTS : c_error_msgty TYPE rslogparms-msgty VALUE 'E'            ,
                  c_error_msgid TYPE rslogparms-msgid VALUE 'YAERO_WTY_VSR',
                  c_error_msgv1 TYPE rslogparms-msgv1 VALUE ' MESSAGE_V1 ' ,
                  c_error_msgv2 TYPE rslogparms-msgv1 VALUE ' MESSAGE_V2 ' ,
                  c_error_msgv3 TYPE rslogparms-msgv1 VALUE ' MESSAGE_V3 ' ,
                  c_error_msgv4 TYPE rslogparms-msgv1 VALUE ' MESSAGE_V4 ' ,
                  c_error_msgno TYPE rslogparms-msgno VALUE 999            ,
                  c_alias(2)    TYPE c                VALUE 'A~'           ,
                  c_vbfa        TYPE dntab-tabname    VALUE 'VBFA'         .
    * Maximum Database Lines, Data Package Counter and Cursor
      STATICS : s_s_if              TYPE srsc_s_if_simple ,
                s_counter_datapakid TYPE sy-tabix         ,
                s_cursor            TYPE cursor           .
    * Select Ranges
      RANGES : r_erdat FOR vbfa-erdat ,
               r_aedat FOR vbfa-aedat ,
               r_vbelv FOR vbfa-vbelv ,
               r_posnv FOR vbfa-posnv ,
               r_vbeln FOR vbfa-vbeln ,
               r_posnn FOR vbfa-posnn .
    *& Processing Logic
    * Refresh Internal Table and Clear work area
      REFRESH: t_vbfa   ,
               e_t_data .
    * Check the Extraction Mode (Delta Initialization Or Delta)
      IF i_initflag EQ sbiwa_c_flag_on.
    *   Determine DataSource Validity
        IF i_dsource NE 'YSDDS_DOCU_FLOW'.
    *     Call Function to Write Log
          CALL FUNCTION 'RSAL_LOG_WRITE'
            EXPORTING
              i_msgty = c_error_msgty
              i_msgid = c_error_msgid
              i_msgno = c_error_msgno
              i_msgv1 = c_error_msgv1
              i_msgv2 = c_error_msgv2
              i_msgv3 = c_error_msgv3
              i_msgv4 = c_error_msgv4.
    *     Raise Exception
          RAISE error_passed_to_mess_handler.
        ENDIF.                  " IF i_dsource NE 'YSDDS_DOCU_FLOW'.
    *   Append the Selection Criteria
        APPEND LINES OF i_t_select TO s_s_if-t_select.
    *   Fill parameter buffer for data extraction calls
        MOVE : i_requnr  TO s_s_if-requnr  ,
               i_dsource TO s_s_if-dsource ,
               i_maxsize TO s_s_if-maxsize .
    *   Append Fields to be Selected
        APPEND LINES OF i_t_fields TO s_s_if-t_fields.
    *   Add the Alias to Fields
        LOOP AT s_s_if-t_fields
          ASSIGNING <fs_fields>.
          CONCATENATE c_alias
                      <fs_fields>-fieldnm
                 INTO <fs_fields>-fieldnm.
          CONDENSE <fs_fields>-fieldnm NO-GAPS.
        ENDLOOP.                " LOOP AT s_s_if-t_fields..
      ELSE.                     " IF i_initflag EQ sbiwa_c_flag_on
    *   For First Data Package, Open Cursor
        IF s_counter_datapakid EQ 0.
    *     Clear Ranges
          CLEAR : r_erdat ,
                  r_aedat ,
                  r_vbelv ,
                  r_posnv ,
                  r_vbeln ,
                  r_posnn .
    *     Fill Selection Ranges
          LOOP AT s_s_if-t_select
            INTO l_s_select.
    *       Determine Selection Range Field Name
            CASE l_s_select-fieldnm.
    *         Created On Date
              WHEN 'ERDAT'.
                MOVE : l_s_select-sign   TO r_erdat-sign   ,
                       l_s_select-option TO r_erdat-option ,
                       l_s_select-low    TO r_erdat-low    ,
                       l_s_select-high   TO r_erdat-high   .
                APPEND r_erdat.
    *           Fill the change date too
                MOVE r_erdat[] TO r_aedat[].
    *         Predecessor Document Number
              WHEN 'VBELV'.
                MOVE : l_s_select-sign   TO r_vbelv-sign   ,
                       l_s_select-option TO r_vbelv-option ,
                       l_s_select-low    TO r_vbelv-low    ,
                       l_s_select-high   TO r_vbelv-high   .
                APPEND r_vbelv.
    *         Predecessor Document Line Item
              WHEN 'POSNV'.
                MOVE : l_s_select-sign   TO r_posnv-sign   ,
                       l_s_select-option TO r_posnv-option ,
                       l_s_select-low    TO r_posnv-low    ,
                       l_s_select-high   TO r_posnv-high   .
                APPEND r_posnv.
    *         Successor Document Number
              WHEN 'VBELN'.
                MOVE : l_s_select-sign   TO r_vbeln-sign   ,
                       l_s_select-option TO r_vbeln-option ,
                       l_s_select-low    TO r_vbeln-low    ,
                       l_s_select-high   TO r_vbeln-high   .
                APPEND r_vbeln.
    *         Successor Document Line Item
              WHEN 'POSNN'.
                MOVE : l_s_select-sign   TO r_posnn-sign   ,
                       l_s_select-option TO r_posnn-option ,
                       l_s_select-low    TO r_posnn-low    ,
                       l_s_select-high   TO r_posnn-high   .
                APPEND r_posnn.
            ENDCASE.            " CASE l_s_select-fieldnm.
          ENDLOOP.              " LOOP AT s_s_if-t_select..
    *     Open Cursor on View to Fetch data
    *     If full load with Selection on Fiscal Year
          IF r_aedat[] IS INITIAL.
    *       Full Extraction
            OPEN CURSOR
            WITH HOLD s_cursor FOR
          SELECT (s_s_if-t_fields)
            FROM vbfa      AS a
            JOIN pnwtyv    AS b
              ON a~vbelv   EQ b~sdvbeln
           WHERE a~vbelv   IN r_vbelv
             AND a~posnv   IN r_posnv
             AND a~vbeln   IN r_vbeln
             AND a~posnn   IN r_posnn
             AND a~rfmng   NE 0
             AND a~erdat   IN r_erdat
             AND b~sdvbeln NE space.
          ELSE.
    *       Delta Extraction Using ERDAT and AEDAT
            OPEN   CURSOR
            WITH   HOLD s_cursor FOR
          SELECT   (s_s_if-t_fields)
            FROM   vbfa      AS a
            JOIN   pnwtyv    AS b
              ON   a~vbelv   EQ b~sdvbeln
           WHERE   a~vbelv   IN r_vbelv
             AND   a~posnv   IN r_posnv
             AND   a~vbeln   IN r_vbeln
             AND   a~posnn   IN r_posnn
             AND   a~rfmng   NE 0
             AND ( a~erdat   IN r_erdat
              OR   a~aedat   IN r_aedat )
             AND   b~sdvbeln NE space.
          ENDIF.                " IF r_aedat[] IS INITIAL
        ENDIF.                  " IF s_counter_datapakid..
    *   Fetch Records into Interface Table
        FETCH NEXT CURSOR s_cursor
             APPENDING CORRESPONDING FIELDS
              OF TABLE t_vbfa
          PACKAGE SIZE s_s_if-maxsize.
    *   No More Data, Raise Exception
        IF sy-subrc NE 0.
    *     Close the Cursor
          CLOSE CURSOR s_cursor.
    *     Raise Exception
          RAISE no_more_data.
        ELSE.
    *     Move Extracted Data to Output Structure
          MOVE t_vbfa[] TO e_t_data[].
    *     Release Memory
          FREE t_vbfa.
    *     Sort Output Structure
          SORT e_t_data BY vbelv
                           posnv
                           vbeln
                           posnn
                           vbtyp_n.
    *     Delete Duplicate Records from Output Structure
          DELETE ADJACENT DUPLICATES
            FROM e_t_data
       COMPARING vbelv
                 posnv
                 vbeln
                 posnn
                 vbtyp_n.
    *     Increment Data Package Number
          s_counter_datapakid = s_counter_datapakid + 1.
        ENDIF.                  " IF sy-subrc NE 0
      ENDIF.                    " IF i_initflag EQ sbiwa_c_flag_on
    ENDFUNCTION.              
    Edited by: Dennis Scoville on Jul 16, 2009 8:29 AM
    Edited by: Dennis Scoville on Jul 16, 2009 8:29 AM

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    Thanks,
    Sonu

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