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Updating time - cdhdr table

Hello all,

I have a job which checks the cdhdr table with several objectsclass like anla, banf and einkbeleg. I'm trying to get all the modifications of the objects with those classes.

The situation is, I think, the table cdhdr is not updated online (when a change is done on any of the requested objects). I tryed to find something on SDN and Google but I don't see anything interesting.

So, here my question: has anybody any idea about the updating process of the cdhdr table? is it updated online (at the same time than the change is done)? is there any job which stars this process?

Thanks for all!,


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  • Best Answer
    Posted on Sep 05, 2013 at 02:31 PM


    I think this table is updated whenever something happens. controlled by settings in SCDO.

    If you want to make something really specific I will advise you to use SWEC for customer specific event triggering and use a workflow as a receiver.

    What is the functional requirement which prompted you to ask this question?

    Kind regards, Rob Dielemans

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    • Hi JoaquĆ­n,

      If there is an inconsistency then in all probability you shouldn't use it to narrow down on relative data. If the only way to really know what has happened in one day is to select all the data from the various tables then you should probably do that.
      Unless someone has a better idea on this forum of course.

      Kind regards, Rob Dielemans

  • Posted on Sep 06, 2013 at 11:18 AM

    Change document are executed like update of data in the "update task", this background task is triggered by the COMMIT of the original transaction. They are usually executed just after the update of main database (V2 after V1) after the lock release. You can find information at Updates in the SAP System (BC-CST-UP), The SAP Lock Concept and Update Techniques.

    There can be some delay between end of V1 (the end of the WAIT options of COMMIT-WORK) and actual posting of change document (there is no urgency as those are not required by most application)



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