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sorting a character type field

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  • sorting a character type field

    Hello, I'm wondering if there is a way to soft a field that is defined as character, that only have numbers in it in numeric order , like 1, 2, 3 etc , instead of 1, 10, 100, 101 etc. I tried using the val function on the Order field on the Sort Records To Print dialog box, but the records still did not sort properly. Any help would be greatly appreciated.

    Thank you
    Tracy

  • #2
    Re: sorting a character type field

    Try using val() and remspecial(), i.e., val(remspecial(your_field_name))

    Raymond Lyons

    Comment


    • #3
      Re: sorting a character type field

      I generally force the sort with

      padl(alltrim(fieldname),n,"0")

      where n is the defined width of the field.
      There can be only one.

      Comment


      • #4
        Re: sorting a character type field

        Originally posted by Stan Mathews View Post
        I generally force the sort with

        padl(alltrim(fieldname),n,"0")

        where n is the defined width of the field.
        Stan is "generally" far smarter than I am, but my method and his will give very different results if a field ever has something like "5g" in it instead of just "5". Test them and see. Then someone will probably show you how to strip out any "g"'s if something like that is likely, or keep them from getting into the field in the first place. Lots of ways to skin a cat in Alpha Five. For now, I have to go to dinner, which I hope won't include cat meat--or horse.

        Raymond Lyons

        Comment


        • #5
          Re: sorting a character type field

          Hello,

          I tried added the remspecial function to my formula, and it didn't work
          I also tried the padl(alltrim suggestion and that didn't work either
          The numbers still sorted like the 1, 100, . . . . .2 etc

          I looked for a function to convert a character field to a numeric filed, but could not find one. Does such a function exist?

          Thank you
          Tracy

          Comment


          • #6
            Re: sorting a character type field

            I looked for a function to convert a character field to a numeric filed, but could not find one. Does such a function exist?
            No. There is a function that that will convert a character value to a numeric value that was provided you in the first answer to your post.

            I tried added the remspecial function to my formula, and it didn't work
            I also tried the padl(alltrim suggestion and that didn't work either
            The numbers still sorted like the 1, 100, . . . . .2 etc
            Then you did something wrong in both attempts. Both will work if applied correctly.
            There can be only one.

            Comment


            • #7
              Re: sorting a character type field

              Tracy,

              As Stan said, you have to be doing something wrong. Unzip and take a look at the sample I am attaching. The sorting is done in the report layouts (Report, Select Records in design mode for the layouts).

              Raymond Lyons
              Attached Files

              Comment


              • #8
                Re: sorting a character type field

                Description

                VAL() converts a Character_String to a numeric value. If the Character_String contains leading non-numeric characters, then a value of 0 is returned.
                See our Hybrid Option here;
                https://hybridapps.example-software.com/


                There are 3 things you can do in any situation;
                Live with it, Change it or Walk away from it.

                Comment


                • #9
                  Re: sorting a character type field

                  Originally posted by Ted Giles View Post
                  Description

                  VAL() converts a Character_String to a numeric value. If the Character_String contains leading non-numeric characters, then a value of 0 is returned.
                  Ted,

                  While what you say is true (I think!), it does not seem to apply to trailing non-numeric characters, and the 2 ways given to Tracy do result in different orders. Below I give one way of dealing with a single leading non-digit, but there must be other, better ways to deal with sorting of this kind. It's just beyond me at the moment.

                  Raymond Lyons
                  Attached Files

                  Comment


                  • #10
                    Re: sorting a character type field

                    Hi Stan,

                    I went back and checked everything that I could think of.
                    The OrderNbr field is defined as character, width = 6

                    I typed the expression below on the Select Record to PRint dialog in the Order field.
                    padl(alltrim(OrderNbr),6,"0")

                    The rpt displays the records in this order 1, 10, 100, 101, 102

                    I was expecting to see this order 1, 2, 3,4 5, etc

                    I don't know what else to check to figure out why this isn't working for me.

                    Tracy


                    Originally posted by Stan Mathews View Post
                    I generally force the sort with

                    padl(alltrim(fieldname),n,"0")

                    where n is the defined width of the field.

                    Comment


                    • #11
                      Re: sorting a character type field

                      Hi Raymond,

                      After looking at the reports that you created, I quickly realized that the reason it wasn't working for me is because the field I'm sorting on is the group field, not a field in the details section of the report. when I pasted the val(remspecial expression on the group break field, the sort worked as you said it would.

                      I went back and looked at my original message and saw that I left out that I was doing this at the group.
                      I am so sorry that I caused so much drama over this issue.
                      I truly appreciate and am thankful that you and everyone else that posted a reply to this thread did not give up on me.

                      Thank you to everyone that posted a reply.
                      Tracy



                      Originally posted by Raymond Lyons View Post
                      Tracy,

                      As Stan said, you have to be doing something wrong. Unzip and take a look at the sample I am attaching. The sorting is done in the report layouts (Report, Select Records in design mode for the layouts).

                      Raymond Lyons

                      Comment


                      • #12
                        Re: sorting a character type field

                        Tracy

                        I haven't made a mistake since the last one and I vow not to make another one until the next one...
                        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


                        • #13
                          Re: sorting a character type field

                          LOL Al,

                          After I figured out what was wrong, I was able to fix it, and all is well.
                          Thank you
                          Tracy

                          Originally posted by Al Buchholz View Post
                          Tracy

                          I haven't made a mistake since the last one and I vow not to make another one until the next one...

                          Comment

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