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Enhance a LO Extractor - Questions

I have gone through the following blogs on LO cockpit extraction

/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it

/people/pradip.patil/blog/2006/06/07/how-to-retain-deltas-when-you-change-lo-extractor-in-production-system

/people/happy.tony/blog/2006/11/24/gist-of-lo-cockpit-delta

But I have the following questions:

1. I am working with 2LIS_17_I0NOTIF. I need the field AUSBS, which is available in the communication structure MCQMEL in se11, but it is not available on the right side of the “Maintain” window in LBWE. Why is this the case? I thought all the fields in the communication structure will be available in the “Maintain” window. How do I make AUSBS appear in LBWE “Maintain” window?

2. If I can’t make it appear in LBWE, then I have to append the extract structure in se11. When I append, why do I have to use the prefix ZZ in front of AUSBS instead of just AUSBS? In this particular case, if I use ZZAUSBS, then, I believe, I have to write user exit code, whereas if I use AUSBS then, I hope, the extract structure will map into the communication structure and I don’t need user exit code. Please let me know whether my understanding is correct here and if not why the use of prefix ZZ is ideal.

3. This is a general question for LO extractions. If I understood roberto’s blogs correctly then the “append” can be done to either the communication structure or the extract structure. In both the cases the “newly” added fields have to be populated using ABAP. In the former case, the enhancement is different for different application component [like LEINS001 for PO related], whereas in the latter case the enhancement for every datasource in R/3 is RSAP0001 and you just use the case statement for a given datasource. Again, in the former case the “newly” appended fields are available in the “Maintain” window in LBWE (Are they?), whereas in the latter case, they are only available in the datasource. Please comment

As always, I will assign points to all the helpful inputs.

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Sep 13, 2007 at 05:21 PM

    If you dont see the field, then you need to add the same in RSA6 and append the code to the exit for transaction data sources.

    Ravi Thothadri

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  • author's profile photo Former Member
    Former Member
    Posted on Sep 14, 2007 at 02:03 AM

    It is possible thru RSA6.

    Ravi Thothadri

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    • Former Member

      Ravi, my bad! I thought you were talking about enhancing LO extractors and not "appending". I know the append part and the user exit code.

      Reetu, the field visibility that I am talking about is between MCQMEL in se11 and the communication structure (MCQMEL) in LBWE, but not between OLTP and BW.

      I want to understand the background of LO extractors through the answers to my specific questions. Can someone share their thoughts?!

  • author's profile photo Former Member
    Former Member
    Posted on Sep 14, 2007 at 03:07 PM

    Hello,

    Please check the value of the field ROOSFIELD-selection for field of the extractor. Select a value so that the field is visible in OLTP and BW.

    Cheers,

    Reetu

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  • author's profile photo Former Member
    Former Member
    Posted on Sep 19, 2007 at 07:00 PM

    Sameer,

    1. As Reetu said, check in table ROOSFIELD for perticular datasource which fields are available and which fields are hidden. SAP intentionally hide some fields for certain datasources. you can search for sap note. If you want you can make it available by changing the table with abap program at your own risk(not suggested.)

    2. When you append new fields it should start with ZZ only. and you have to populate this field with user exit. In BW side you can use same infoobject in trasfer rules and update rules if relavant object is available.

    Hope it Helps

    Srini

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