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Sorting negative numbers do not sort right

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    Sorting negative numbers do not sort right

    I am producing a ranking report with values from high to low, of course the low number will be negative(-450.00 -600.00 -0.50 -3.00 and so on). They are numeric fields and they are not calculated fields.
    The positive number sorts perfectly, not the negatives as they show in a erratic way.
    I saw this mentioned back in 2004 and it was said to be reported to Mr Selwyn.
    No further details after.
    I tried some of the workarounds mentioned in another thread, but still reports inacurately.
    Any advice?

    #2
    Re: Sorting negative numbers do not sort right

    Hi, Mike.

    As usual sample data would permit us to confirm your observations and possibly spot things you may be overlooking.

    Comment


      #3
      Re: Sorting negative numbers do not sort right

      I am unable to load a zip file.
      Going "advance" and selecting attachment them selecting the file that is 17k zip (it opens in my computer)
      Give the error "failed to upload"
      Suggestions?
      Attached Files

      Comment


        #4
        Re: Sorting negative numbers do not sort right

        Mike

        A few people are having issues with uploads to the msgboard.

        email your sample to me and I'll attach it to your post.
        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: Sorting negative numbers do not sort right

          The way I get around this type of issue is to have a large numeric calculated field in the table record that holds the result of the maximum largest number that could result (say 99999999) less the value of the actual rank field. I then include the calculated field in my ranking index descending or ascending depending on the report sequence I want.

          Comment


            #6
            Re: Sorting negative numbers do not sort right

            I am not seeing this behavior nor heard of such an issue.
            Are these numbers in a field in a table?

            Comment


              #7
              Re: Sorting negative numbers do not sort right

              I can confirm this behavior.

              Attached is a table with about 7000 random numbers from -250.0000 to +250.00000

              There are three simple reports, one sorted in ascending order - this one does not work, it shows the values in record order.

              Second report is descending, this works as expected.

              Third is with the order set as str(value), this works - it sorts the list in ascending value.

              I tried this indexed and non-indexed, same result either way.

              Unless I'm missing something really obvious (wouldn't be the first time), it does seem like a bug.
              Attached Files

              Comment


                #8
                Re: Sorting negative numbers do not sort right

                Experimenting with this a little more it seems the bug only appears when the decimal specification is greater than zero.

                Comment


                  #9
                  Re: Sorting negative numbers do not sort right

                  Works fine in v8.
                  Unable to open your reports, but the sorting works fine in the table.

                  Comment


                    #10
                    Re: Sorting negative numbers do not sort right

                    Originally posted by G Gabriel View Post
                    Unable to open your reports, but the sorting works fine in the table.
                    Table sorting works fine, it's the reports that aren't sorting correctly.

                    Comment


                      #11
                      Re: Sorting negative numbers do not sort right

                      Jacobs description is correct, That is what I get.
                      Tha table sorting is correct. As Alpha sorts numeric in the table. In the reports is OK. It must convert the numbers to character, I think.
                      I tried to post a simple sample, but I am having problems posting zip filess
                      Attached Files

                      Comment


                        #12
                        Re: Sorting negative numbers do not sort right

                        Yes. I see that behavior and it looks like a bug but I do not have v11 to test.

                        Comment


                          #13
                          Re: Sorting negative numbers do not sort right

                          This problem is not new, as it was reported in 2004

                          https://forum.alphasoftware.com/show...rting+negative

                          So your version must have the same results in reports. If not, them we need to know why?

                          Thanks for looking into this.

                          Comment


                            #14
                            Re: Sorting negative numbers do not sort right

                            Mike,

                            I submitted a formal bug report and have received word that this has been addressed. I'm told the fix will be in the next prerelease build.

                            Comment


                              #15
                              Re: Sorting negative numbers do not sort right

                              Thanks for helping Tom.
                              Question if I understand you right
                              I'm told the fix will be in the next prerelease build
                              meaning that it will be for V12, not for V11?

                              Comment

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