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Check amounts

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    #1

    Check amounts

    Good Afternoon,

    I have a main table that has a field named "Amount". There is a child table associated in the same set that has a field "Amount" also, and has a one to many relationship.

    What I am trying to do is check the main table "Amount", against the "Amount" fields in the child records, that match the main record, and give an error message that they do not match.

    I was trying to make an index, using the TOTAL function, and check for dupes. But ALPHA5 says that I can not use TOTAL in that context. So I am not sure what to do from here. I assume TOTAL can only be used maybe with reports??

    My autoincrement field, is a calculated field, that combinds three fields in the main table, and makes it unique for each record. So that the records in the child table has the same autoincrement data in them, to match the main table record.

    Any ideas would be sincerely appreciated.


    Thanks Ed
    Tags: None
    #2
    RE: Check amounts

    Ed,

    Are you trying to get a total from the child records? or just match one record with one amount?

    If you want a total of all child records matching the current record ID use tablesum() or dbsum()

    If you want just one child record to match use one of the lookup() functions.

    If I knew more I would be more specific for you.

    Scott

    Comment

      #3
      RE: Check amounts

      Hi Scott,

      Yes, the amount in the one main table record("Amount" field), will equal one or many child records("Amount" fields).

      Then an error message, would let the operator know that the main table "amount" field(amount), did not match all of the related child records(amounts)in the "Amount" fields in the child records.

      Where the main table would be "10", and the child records would be "2", "3", "8". In this case ALPHA would let the operator know that the amounts did not match.

      I hope I explained it clearer.

      Ed

      Comment

        #4
        RE: Check amounts

        Ed

        I doubt that a summary function will do what you want because of the timing of the calculation places it after the selection is done.

        Therefore the solution that I suggest is that you add a field to the main table called child_total and sums the child records into that field.

        Since you may run this multiple times, you'll need to have an update operation that zeros out child_total, then sums up the child records, then run the report where you compare the two fields in the main table to see if they are the same.

        This type of problem has been posted many times before and the solution always gets back to this method.

        You will need to be careful in a multi user system. If you are using this for a validation check, just restrict who can run it by who has access to it.
        Al Buchholz
        Bookwood Systems, LTD
        Weekly QReportBuilder Webinars Thursday 1 pm CST

        Occam's Razor - KISS
        Normalize till it hurts - De-normalize till it works.
        Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
        When we triage a problem it is much easier to read sample systems than to read a mind.
        "Make it as simple as possible, but not simpler."
        Albert Einstein

        http://www.iadn.com/images/media/iadn_member.png

        Comment

          #5
          RE: Check amounts

          Hello Al,



          I was trying to make a calculated field as you suggest in the main table, but was not sure what function to use in this case to add up the child records correctly? Would appreciate a little help here.

          I will follow your suggestions, and give it a try.

          Thanks ED

          Comment

            #6
            RE: Check amounts

            Ed

            A calculated field won't do it. You'll need to have an operation of some type. Either a posting from the child to the main or or a summary of the child and then post the result to the main table.

            Depending on the quantity of data, you'll have to play with it to see what is more efficient.

            Remember that since this is a multi pass solution, any data entry that goes on from another user at the some time may cause an imbalance from main with child.
            Al Buchholz
            Bookwood Systems, LTD
            Weekly QReportBuilder Webinars Thursday 1 pm CST

            Occam's Razor - KISS
            Normalize till it hurts - De-normalize till it works.
            Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
            When we triage a problem it is much easier to read sample systems than to read a mind.
            "Make it as simple as possible, but not simpler."
            Albert Einstein

            http://www.iadn.com/images/media/iadn_member.png

            Comment

              #7
              RE: Check amounts

              Thanks,

              I understand now. I am pretty sure I can do that. And thanks for letting me know of the complications.

              Have a nice night.

              Ed

              Comment

                #8
                RE: Check amounts

                Ed

                You too. Glad to see that you made it through all the recent fire problems. Hope all is well with you and yours.
                Al Buchholz
                Bookwood Systems, LTD
                Weekly QReportBuilder Webinars Thursday 1 pm CST

                Occam's Razor - KISS
                Normalize till it hurts - De-normalize till it works.
                Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
                When we triage a problem it is much easier to read sample systems than to read a mind.
                "Make it as simple as possible, but not simpler."
                Albert Einstein

                http://www.iadn.com/images/media/iadn_member.png

                Comment

                  #9
                  RE: Check amounts

                  Thanks appreciate all your help in the past months.

                  I live on the coast, Los Angeles harbor area to be exact. The sky was black, and the sun looked like a dim red light bulb for a couple of days. The closest fire was probabley about 60 miles away. You would never believe it the way the sky looked.


                  Take care

                  Ed

                  Comment

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