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A logical Rec# vs a Physical Rec#

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    A logical Rec# vs a Physical Rec#

    I call the RECNO(), the Physical Rec# because it always states the Records physical sequence in a Table.
    ie, the 300th record [Recno()] of a prev packed table will be 300, no matter if it is 1st in some sorted order.

    I call a Logical Rec# the rec# IF you just look at the 1st Record of a sorted order.
    Ex:
    Sort-by-Qty-Sold (Z-A)
    Qty RecNo() Logical Position
    400 __60 _______ 1
    300 __21 _______ 2
    200 ___9 _______ 3
    100 _101 _______ 4
    -------------------------
    In my old App I could use Precord = Recno()
    And, Record as the logical (sequential) position.
    -------------------------
    Is there a Func or whatever in A5 that will tell me the Logical Position of any record in a Sorted order?
    -------------------------
    so far, I have not found any.
    Last edited by SMARTII; 01-06-2011, 07:11 PM.
    First Love

    #2
    Re: A logical Rec# vs a Physical Rec#

    That's a new one on me. Haven't ever had the need to know that bit of information. I'm curious. Why do you need to know the logical position number?

    Comment


      #3
      Re: A logical Rec# vs a Physical Rec#

      I'm with Tom....never needed to know this. Adding a line number would allow you to do this whether in a browse (could even hide it if wanted) or in a table I imagine. No built-in function that I am aware of offhand.
      Mike
      __________________________________________
      It is only when we forget all our learning that we begin to know.
      It's not what you look at that matters, it's what you see.
      Henry David Thoreau
      __________________________________________



      Comment


        #4
        Re: A logical Rec# vs a Physical Rec#

        Purpose:
        Let's say you have a sales Contest based on Commission Earned:
        The Sales report will print who is 1st, 2nd, 3rd...... because you don't want to reveal their Commission Figures to others, just their "Ranking".
        So you want to print:
        #1. Garry
        #2. Jack
        #3. Mary
        .........
        where do you get the "1", "2", "3" ........ to print on the report?
        Last edited by SMARTII; 01-06-2011, 09:00 PM.
        First Love

        Comment


          #5
          Re: A logical Rec# vs a Physical Rec#

          RE:"Adding a line number "
          Could you expand on that a little?

          Originally posted by MikeC View Post
          I'm with Tom....never needed to know this. Adding a line number would allow you to do this whether in a browse (could even hide it if wanted) or in a table I imagine. No built-in function that I am aware of offhand.
          First Love

          Comment


            #6
            Re: A logical Rec# vs a Physical Rec#

            The only thing I could think of is: (pseudo)
            sNUM = 0
            ...fetch_first()
            While not(eof....)
            Change begin
            sNUM = sNUM + 1
            tbl.Rank = sNUM
            Change end
            ...fetch_next()
            End while
            Then it's in a field that can be printed.
            First Love

            Comment


              #7
              Re: A logical Rec# vs a Physical Rec#

              That would work so long as the table was queried prior to doing so to place the records in the correct order. I have some old code that I believe Peter Wayne produced that can be used for a browse as well and placed in the OnSave event I think of field rules. For your purpose, what you have indicated will work.
              Mike
              __________________________________________
              It is only when we forget all our learning that we begin to know.
              It's not what you look at that matters, it's what you see.
              Henry David Thoreau
              __________________________________________



              Comment


                #8
                Re: A logical Rec# vs a Physical Rec#

                Originally posted by SMARTII View Post
                -------------------------
                Is there a Func or whatever in A5 that will tell me the Logical Position of any record in a Sorted order?
                -------------------------
                so far, I have not found any.
                Funnily enough there is
                <TBL>.LOGICALRECORD_GET()

                EDIT: However in a child table it seems to still apply to the table as a whole and not the linked records only.
                Last edited by Tim Kiebert; 01-06-2011, 11:02 PM.
                Tim Kiebert
                Eagle Creek Citrus
                A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.

                Comment


                  #9
                  Re: A logical Rec# vs a Physical Rec#

                  Great Job Tim!
                  I tried this under <TBL>.LOGICALRECORD_SET() Instead of tbl.LogicalRecord_Get()
                  That's why I discarded it as useless.

                  Completely missed the Get() version.
                  The GET() Example Does the Job!

                  Once more: LITTLE things Mean a Lot
                  Last edited by SMARTII; 01-07-2011, 03:26 AM.
                  First Love

                  Comment


                    #10
                    Re: A logical Rec# vs a Physical Rec#

                    Tom,

                    If you're working in the context of a report I suggest you also take a look at the

                    mrecno() function.

                    -- tom

                    Comment


                      #11
                      Re: A logical Rec# vs a Physical Rec#

                      Let me guess; "m" is for "miracle"!
                      Tom,
                      I don't know how you find these little nuggets without knowing the function name or part thereof, but don't ever go blind on us!
                      This is perfect for several reports that I've added it to already.
                      Thanks to you and all the others for your help..actually, Solutions!

                      I chose Alpha 5, not because it's more perfect than anything else,
                      but because of this Message board.
                      That is probably true for 100's of others.
                      Thanks again.



                      Originally posted by Tom Cone Jr View Post
                      Tom,

                      If you're working in the context of a report I suggest you also take a look at the

                      mrecno() function.

                      -- tom
                      First Love

                      Comment


                        #12
                        Re: A logical Rec# vs a Physical Rec#

                        Originally posted by SMARTII View Post
                        Let me guess; "m" is for "miracle"!
                        Tom,
                        I don't know how you find these little nuggets without knowing the function name or part thereof, but don't ever go blind on us!
                        Well, Tom and a few others may have these things in their heads. The rest of us could save them some trouble (and ourselves some time) if we would just use the various HELP files. For example, go to References, Functions & Methods, where you will see "Xbasic Functions and Methods Listed by Type". Then just scroll down to Record Functions where lo and behold you will see mrecno(), amongst all kinds of other record functions. Or you could just search for "Record Functions" to find the same basic thing.

                        Raymond Lyons

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