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When does Alpha create a table automatically?

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    When does Alpha create a table automatically?

    I have a really odd event.
    The application has 30 tables.
    Some tables are Lookups.
    The main Form had 4 tabs, Tab 2 was redundant and Tab 3 had complex image presentation actions. Tabs 2 and 3 were removed.
    Tab 1 is the main data entry tab.
    Field 10 has a lookup from a lookup table with a filter (Active = Yes, for example, which changes to No if the value has been used via an Update operation ). Any data can be entered here so it's not forcing a closest match.

    Problem. Field 10 had been working and updating the lookup table. Then it stopped working.
    On examining the tables, I found that there were 2 tables with the same structure;
    Content and Content0 - the 0 is significant.
    Content0 now had the Operation processing attached to it as I verified by dropping that table and seeing the operation disappear. On replacing the table, the operation returned, as expected.
    Content has no Operation processing attached to it now.

    Question. Under what circumstances does Alpha duplicate or rename and duplicate a table and also under what circumstances does the code get moved to the duplicated table?

    On the face of it, it appears that the original table was renamed to Content0 while keeping the Content table with no processing.

    My solution pending further comment from the Forum was to use the Content0 as the primary lookup and source of the update operation.
    Now it works as before but I have the two tables Content and Content0. If this happened big style, it would wreck the application.
    See our Hybrid Option here;
    https://hybridapps.example-software.com/


    Apologies to anyone I haven't managed to upset yet.
    You are held in a queue and I will get to you soon.

    #2
    Re: When does Alpha create a table automatically?

    Gremlins
    Robin

    Discernment is not needed in things that differ, but in those things that appear to be the same. - Miles Sanford

    Comment


      #3
      Re: When does Alpha create a table automatically?

      Nah! Cat ate 'em.
      Could be users?
      See our Hybrid Option here;
      https://hybridapps.example-software.com/


      Apologies to anyone I haven't managed to upset yet.
      You are held in a queue and I will get to you soon.

      Comment


        #4
        Re: When does Alpha create a table automatically?

        Unless the table was open and the update was run on an alias? Which would make more sense if it was a copy or summary op - or one of the the ones that DOES create a table. Perhaps the table was dropped from the adb but still in the directory? Who knows...but if you have the same table open more than once (like in the lookup) and are doing some processing, you'll likely need a separate pointer to the table - try using table.open_session()

        You wouldn't be using a Linux server by any chance? Because if you copy over a table and the capitalization is different you will get 2 copies of the table. Just ran into that one myself. Alpha doesn't differentiate for capitalization and sees both tables as the same. Which of course causes indexing problems...
        Last edited by MoGrace; 10-19-2018, 03:49 PM.
        Robin

        Discernment is not needed in things that differ, but in those things that appear to be the same. - Miles Sanford

        Comment


          #5
          Re: When does Alpha create a table automatically?

          I don't ever remember alpha creating a table like that in any version.
          I have had them rename a field on a form but not in a table. Not sure "content" is a good choice for a table or field name.
          Generally, my lookup tables are preceded by "lk", as in "lknames.dbf".
          Dave Mason
          [email protected]
          Skype is dave.mason46

          Comment


            #6
            Re: When does Alpha create a table automatically?

            Thanks Dave, CONTENT was an example, the actual name is "insdocno".

            I have never seen this activity either. It is possible that the client added it by mistake or for a different reason - it is a collaborative development so sausage fingers might be involved.
            See our Hybrid Option here;
            https://hybridapps.example-software.com/


            Apologies to anyone I haven't managed to upset yet.
            You are held in a queue and I will get to you soon.

            Comment


              #7
              Re: When does Alpha create a table automatically?

              I did find that creating an email account does create a new email table in the same folder
              Dave Mason
              [email protected]
              Skype is dave.mason46

              Comment


                #8
                Re: When does Alpha create a table automatically?

                Also when using the Custom Help.
                See our Hybrid Option here;
                https://hybridapps.example-software.com/


                Apologies to anyone I haven't managed to upset yet.
                You are held in a queue and I will get to you soon.

                Comment


                  #9
                  Re: When does Alpha create a table automatically?

                  "insdocno". Is that a field name?
                  Dave Mason
                  [email protected]
                  Skype is dave.mason46

                  Comment

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