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changing child records

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    changing child records

    We have many databases linked to a main database called componen.dbf. They are all linked by the comp_id field. When I change the comp_id in the main database, all others will lose the linking field value (obviously). My question is: Is there a way to change this field in the master database and then automaticly change it in all of the others so the links are still preserved? I have "taken care" of the main database(I think-see below) but a little lost as to where to go for the next step. I can create a set that links all of them to the main database if it will help.

    let new=ui_get_text("enter","type entire component #","","")

    if new="" then
    end
    else

    change_begin(db_current())
    componen->old_id=(componen->comp_id)
    change_end(db_current(),.t.)
    card_resynch()


    change_begin(db_current())
    componen->comp_id=(new)
    componen->revchngdat=date()
    change_end(db_current(),.t.)
    card_resynch()

    end if
    end

    #2
    RE: changing child records

    a little more... I am able to change all of the records in the other databases using a field rule-post but only the first records in the other databases are changed. I would need all of the matching records to change, not just the first one

    Comment


      #3
      RE: changing child records

      Andy,
      Are you using "referential Integrity". In your set design, you can turn on/off referential integrity which should insure that all child records with a matching field get changed when the master field gets changed.

      Comment


        #4
        RE: changing child records

        No, I wasn't. It works very well now though. Keep it simple, I guess. And why not?!

        Thank you very much

        Comment

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