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Auto Auto-Increment Field

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    Auto Auto-Increment Field

    I have created an auto-increment field into a table for use as an invoice number. When I enter a new record into the table, rather than using the previously entered record, then using the next increment, it keeps pulling a record from the middle of the table somewhere and insists on using that as the Invoice Number on which to base the next increment. No matter what I do in the field rules it will not allow me to start and maintain a new default.
    Any suggestion?

    Thank you

    #2
    RE: Auto Auto-Increment Field

    Hi Ken,
    Pack the table and update the indexes and see if you still have the same problem.

    Wanda

    Comment


      #3
      RE: Auto Auto-Increment Field

      Won't packing the table erase all of the records?
      Thanks you for your response.
      Ken

      Comment


        #4
        RE: Auto Auto-Increment Field

        Ken,

        The autoincrement field rule uses an ascending index for the autoincrement field to determine which field value is 'last'. The 'highest' field value will be considered 'last' and will be the value used to compute the next field value. I do not think you can 'override' this behavior by specifying a default field value once you have records in the table. So far as I know the default field value is of use in an autoincrement field only for the very first record entered in the table. After that since the index exists, I think the autoincrement field rule will use the index to determine the next field value regardless of what you may specify as the desired 'default' for new records.

        -- tom

        Comment


          #5
          RE: Auto Auto-Increment Field

          Ken,

          Packing a table will physically remove records that have been marked for deletion. It will not erase records that have not yet been marked for deletion.

          -- tom

          Comment


            #6
            RE: Auto Auto-Increment Field

            Ken,

            If you want to begin a new numbering sequence, and it's 'higher' than the last legit field value, you can do it by disabling the autoincrement field rule. Make the field user entered. Enter a dummy record. Specify the desired field value. Save the Record. This will update the index for the table. Then go back to field rules and enable the autoincrement field rule again.

            -- tom

            Comment


              #7
              RE: Auto Auto-Increment Field

              To clarify a bit more, the records "marked for deletion" are the one's you've already deleted. They're still lurking around, but you don't see them, so you assume they are really gone. Packing them does the literal deletion.

              There is another utility to completely empty the table of all data. Packing basically gets rid of non-visible blank spaces, if you will.

              Wanda

              Comment


                #8
                RE: Auto Auto-Increment Field

                Tom and Wanda:
                Thank you very much for the help.

                Ken

                Comment


                  #9
                  RE: Auto Auto-Increment Field

                  You're quite welcome...I wouldn't be where I am today without all the help I've received from this board :) I refer to the "regulars" on this board, as well as the entire Alpha staff as "my Alpha family"...cheers!

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