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Consecutive Operations

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  • Consecutive Operations

    I have a small number of Consecutive Operations in a Global Script running Append followed by Export 4 times. The second Append fails with the following:-
    Capture.PNG
    Capture2.PNG
    It does not matter how i change the operations around the second Append always fails.
    This has only started happening since updating to latest patch.
    Any assistance please
    Thanks
    Terry

  • #2
    Re: Consecutive Operations

    Do you close the table after each individual append and reopen it?

    Latest patch? In V11?
    Ted Giles
    Example Consulting - UK
    .

    sigpichttp://ec12.example-software.com//
    See our site for Alpha Support, Conversion and Upgrade.

    Comment


    • #3
      Re: Consecutive Operations

      Can we see your script? It may help to wrap each operation into its own UDF inside the script, then your script can control the flow & timing of the ops , etc.
      Robin

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

      Comment


      • #4
        Re: Consecutive Operations

        I am running pre-defined operations rather than ones written in xbasic so the code behind these includes both opening & closing tables. I also thought of this & had put in a test immediately before the append to make sure the table is closed.
        I appear to have added this message to the wrong forum as it should be under v12 desktop - so it can be moved if you are watching moderator
        Thanks

        Comment


        • #5
          Re: Consecutive Operations

          Moved.

          Are you using an Action Script to control the flow?

          If so, the follow Robin's idea and make a UDF for each operation that calls a single step.

          Then take each UDF and call them one by one from a master single UDF.

          I'd suggest each operation use something like:

          APPEND.RUN_SILENT()
          or
          APPEND.RUN()

          depending if you want the confirmations and messages or not.
          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

          Comment


          • #6
            Re: Consecutive Operations

            I am using an action script, so the action script uses append.run_silent as the code behind the action to run the pre-defined operation
            Additionally immediately before the Append that fails is a table zap but I have tested this is completed & the table is closed before the append is run.
            Ho do I save a global script to post here?
            Thanks

            Comment


            • #7
              Re: Consecutive Operations

              Originally posted by Terrymorgan View Post
              How do I save a global script to post here?
              Thanks
              Right Click the Action Script in the code tab and export to a text file.

              Attach the text file to a messageboard post.

              The issue you are having is that Action Scripting multi threads the steps. Good for some things, not for what you are doing.

              To control that you need to use UDF's.
              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

              Comment


              • #8
                Re: Consecutive Operations

                Global Script attached.
                This has worked for many years.
                Thanks
                Terry
                Attached Files

                Comment


                • #9
                  Re: Consecutive Operations

                  Looks like they busted the Logic , Terry.
                  Ted Giles
                  Example Consulting - UK
                  .

                  sigpichttp://ec12.example-software.com//
                  See our site for Alpha Support, Conversion and Upgrade.

                  Comment


                  • #10
                    Re: Consecutive Operations

                    I'd try something easy first.

                    1. open the script in design mode
                    2. right click one of the steps and choose View Xbasic
                    3. Move from Current Action to All Actions tab
                    4. Click Copy code to the clipboard button then Close
                    5. Create a new script using Xbasic editor
                    6. Paste the clipboard code and save as another name.

                    Run that script and see if it has issues.

                    IF it does, then you'll need to start breaking the steps into separate functions and calling those functions in sequence.
                    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

                    Comment


                    • #11
                      Re: Consecutive Operations

                      All individual actions run fine it’s only when the second append runs that it fails, whatever is set as the second append.
                      I will try putting the second append in a function & see what happens
                      Thanks
                      Terry

                      Comment


                      • #12
                        Re: Consecutive Operations

                        Followed your instructions made no difference - Same Error.
                        Created following:
                        FUNCTION RunAppend AS V (Apppendname AS C )
                        query.filter = ""
                        query.order = ""
                        If Apppendname <> "" then
                        append.run_silent(Apppendname,query.filter)
                        End if
                        END FUNCTION
                        to run the second Append and still no difference.
                        Thanks
                        Terry

                        Comment


                        • #13
                          Re: Consecutive Operations

                          FYI I have tried splitting the Global Script into 3 so each append & export is in a separate script, each of the 3 being spawned sequentially.
                          Thanks
                          Terry

                          Comment


                          • #14
                            Re: Consecutive Operations

                            I am not understanding this section that appears 3 (?) times in the script:
                            'Empty Sagedd.dbf
                            delete tbl9
                            DIM tbl9 as p
                            if table.isopen("sagedd") = .t.
                            tbl9 = table.open("sagedd",FILE_RO_SHARED)
                            tbl9.close()
                            end if
                            tbl9 = table.open("sagedd",FILE_RW_EXCLUSIVE)
                            tbl9.zap(.T.)
                            tbl9.close()
                            If sagedd is already open there is nothing here that would close it, although it should trigger an error in the zap.

                            Also if query.filter has been set to "" then the append doesn't need to include a filter parameter, which would need to be set to ".t." to have any meaning for the op. Which is also assuming there is not an existing filter defined in the saved op...
                            Last edited by MoGrace; 09-19-2019, 10:56 AM.
                            Robin

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

                            Comment


                            • #15
                              Re: Consecutive Operations

                              You can ignore the parts before the zap as these were added during testing the error, not the cause.
                              There is a filter in the saved op, but I am not at my pc to see what you are referring to, although I suspect you are referring to the bit of code that runs the saved op.
                              Thanks
                              Terry

                              Comment

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