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Former Member

Updating Extrators-- EXIT_SAPLRSAP_001

Posted on Dec 07, 2004 at 04:58 PM 20 Views

What development constructs are people using to update custom fields in extractors? I can think of three here. Each has pluses and minues:

1)

CASE I_DATASOURCE.

WHEN '2LIS_11_VAHDR'.

include zvahdr. "has code directly

WHEN '2LIS_11_VAITM'.

include zvaitm.

etc.

2)

CASE I_DATASOURCE.

WHEN '2LIS_11_VAHDR'.

  • where the "form" routine is part of function group

PERFORM FILL_VAHDR TABLES C_T_DATA.

3)

CASE I_DATASOURCE.

WHEN '2LIS_11_VAHDR'.

  • where the "form" routine is in a separate ABAP

PERFORM FILL_VAHDR TABLES C_T_DATA IN PROGRAM ZFILLHD.

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2 Answers

  • author's profile photo Marc Bernard
    Marc Bernard
    Posted on Dec 07, 2004 at 09:02 PM
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    Hello Kenneth,

    this is a good question. Most of the time I have seen option 1. However, the disadvantage of options 1 and 2 is that you share (global) variables. A clean solution is option 3 but using CALL FUNCTION. It's better than PERFORM since parameters are defined and checked much thoroughly and you have a clean separation of the code.

    Regards,

    Marc

    SAP NetWeaver RIG, US BI

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 08, 2004 at 07:30 AM
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    Hi Kenneth,

    Marc is right, the best solution is to create fm for the enhancement of each extractor.

    regards

    Siggi

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    • Former Member Former Member
      Dec 09, 2004 at 01:32 PM

      By the way the biggest reason to use 3) or a FM instead of 1 or 2 is that you don't have problems with transports because different projects and maintenance can transport their exits independent of each other.

      Best regards

      Dirk

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