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Getting a record count

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  • Getting a record count

    Hi

    Hope someone can help. Having a problem with getting a record count back into a variable. All I want to do is query a table for a value, return a count pop that into a variable and then update a text field on the form. No pop up queries.

    i.e
    RecCount = count(select * from transaction where collected = false)

    Nice & easy in SQL & it probably is in Alpha!

    Thanks
    Steve.

  • #2
    RE: Getting a record count

    tbl = table.current()
    query.description = ""
    query.order = ""
    query.filter = "collected = 'false'"
    'or query.filter = ".not. collected"
    'depends whether collected is character or logical field
    query.options = "I"
    i = tbl.query_create()
    RecCount = i.records_get()
    end
    There can be only one.

    Comment


    • #3
      RE: Getting a record count

      Steve,

      Assuming your running the script from the form you want to update, there is no need for a variable.

      Try this:

      textfield.value = dbcount("yourtable.dbf","collected",".f.")

      This will put the result of dbcount() directly into your field called "textfield"

      Hope this helps.

      Scott

      Comment


      • #4
        RE: Getting a record count

        As another option you can use "A5_Get_Records_In_Query()"

        It provides a one stop query & count.

        -Barry

        Comment


        • #5
          RE: Getting a record count

          After a little side discussion, Scott and I might suggest

          tablecount("yourtable.dbf",".not. collected")

          or

          tablecount("yourtable.dbf","collected = 'false'")

          if the answer is required in an area where a script cannot be run, such as field rules. Tablecount() does not require that an index be present for the field in the filter.
          There can be only one.

          Comment


          • #6
            RE: Getting a record count

            Good one Barry, I'm still assimilating the new functions into my memory banks.
            There can be only one.

            Comment


            • #7
              RE: Getting a record count

              IAII

              Not over a network, table of 4,781,102 records, complex query filter of five character string contained in thirteen character string field.

              Using tablecount() returned 60,179 records in 36 seconds
              Using A5_get_records_in_query() returned 60,179 records in 34 seconds.

              Over a network, same table and query, three passes with tablecount() yielded times of 134, 117, and 140 seconds.
              Three passes with a_get_records_in_query() yielded times of 143, 172, and 155 seconds.

              Go figure.
              There can be only one.

              Comment


              • #8
                RE: Getting a record count

                Thanks guys!
                Very helpful. I did get this to work with a query using the silent option. But it did seem a little OTT for such a simple task.

                Thanks again for your help.

                Steve.

                Comment

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