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Updating table takes 5 sec in a local PC setup.

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    Updating table takes 5 sec in a local PC setup.

    Is this normal times?
    I have 2 tables
    Table A 235,000 records 26 fields type mixed and I will fill in the posting process about 8 of those fields. It takes about 5 sec to do it in a local PC, in the networks, 7and up to 12 sec.
    Table B 48,000 records 34 fields type mixed and I will fill in the posting process about 12 of those fields. It takes about 5 sec to do it in a local PC, in the networks, 8and up to 15 sec.

    Like I said, just add 1 record to each table.
    Using windows 7 and windows server12 --Alpha Ver 11 and in runtime version, using shadow process.
    Any advise?

    #2
    Re: Updating table takes 5 sec in a local PC setup.

    I guess the starting point would be indexing and looking at your code.
    Depending on what you are trying to do I think I would try:
    Table.open(mytable)
    Table.order(keyfield, filter the records that need to be updated)
    table.change_begin()
    my code to write the changes
    probably fetch first etc...
    table.change_end()
    Table.close()
    Alpha 5 Version 11
    AA Build 2999, Build 4269, Current Build
    DBF's and MySql
    Desktop, Web on the Desktop and WEB

    Ron Anusiewicz

    Comment


      #3
      Re: Updating table takes 5 sec in a local PC setup.

      Thanks for the response, I see that other factors could come to play.
      Actually, I am not modifying, I am entering a new record in both table.

      Comment


        #4
        Re: Updating table takes 5 sec in a local PC setup.

        Revising based on Ronalds Idea
        I created script :
        DIM Append as P

        a_tbl = table.open("tableA")
        append.t_db = "tablex"

        append.m_key = ""
        append.t_key = ""
        append.m_filter = ""
        append.t_filter = "Acc=Var->gHx"
        append.type = "All"
        append.m_count = 8
        append.m_field1 = "name"
        append.m_exp1 = "@Ttablex->nameidLID"
        append.m_field2 = "Age"
        append.m_exp2 = "@tablex->Age1"
        ........to 8

        append.t_count = 0

        a_tbl.append()

        It took the same time.

        Comment


          #5
          Re: Updating table takes 5 sec in a local PC setup.

          Are you doing this from a form where both tables are open and you can apply a filter? Or are you updating all those records?
          Robin

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

          Comment


            #6
            Re: Updating table takes 5 sec in a local PC setup.

            from a form using Tablex that is open(the source.)
            Tables A and B are not.

            Comment


              #7
              Re: Updating table takes 5 sec in a local PC setup.

              Mike,

              Why not go back to the beginning and describe what you are doing? Your thread title mentions updating (a kind of Alpha operation) but you aren't updating anything. Your initial description mentions posting (a kind of Alpha operation) but you aren't posting anything.

              So try to describe the situation where you do something on the form which adds a new record to two other tables. Do you have a script which adds the records? If so, show it to us.
              There can be only one.

              Comment


                #8
                Re: Updating table takes 5 sec in a local PC setup.

                There's no reason to do an append when all you want is to add a record. The query required by the filter in append.t_filter is what is slowing things down.

                Originally posted by MikeData View Post
                Revising based on Ronalds Idea
                I created script :
                DIM Append as P

                a_tbl = table.open("tableA")
                append.t_db = "tablex"

                append.m_key = ""
                append.t_key = ""
                append.m_filter = ""
                append.t_filter = "Acc=Var->gHx"
                append.type = "All"
                append.m_count = 8
                append.m_field1 = "name"
                append.m_exp1 = "@Ttablex->nameidLID"
                append.m_field2 = "Age"
                append.m_exp2 = "@tablex->Age1"
                ........to 8

                append.t_count = 0

                a_tbl.append()

                It took the same time.
                Try

                Code:
                a_tbl = table.open("tableA")
                b_tbl = table.current()
                a_tbl.enter_begin()
                a_tbl.name = b_tbl.nameidLID
                a_tbl.age = b_tbl.age1
                '''''' up to 8
                a_tbl.enter_end()
                a_tbl.close()
                There can be only one.

                Comment


                  #9
                  Re: Updating table takes 5 sec in a local PC setup.

                  Untimeable!!!
                  It is now less than a second.
                  Thanks Stan
                  Time to revise all the others....
                  Originally it was started using as an operation.
                  In 'Operation' you only have append, post or import to add records.
                  I have been using append all this time. Hell of improvement today.

                  Comment


                    #10
                    Re: Updating table takes 5 sec in a local PC setup.

                    The script was designed to create a new record in another table based on the currently selected record in an already open table. As written it is not suitable to any other purpose so beware trying to adapt it to something else.
                    There can be only one.

                    Comment


                      #11
                      Re: Updating table takes 5 sec in a local PC setup.

                      Here's another alternative using pointer dot variables:

                      dim ra as p
                      dim rb as p
                      dim tbla as p
                      dim tblb as p
                      dim tblx as p

                      tblx = table.current()

                      'map all the field values you need first
                      ra.afield1 = tblx.field1
                      ...
                      ra.afield8 = tblx.field8

                      rb.bfield1 = tblx.field1
                      ...
                      rb.bfield12 = tblx.field12

                      tbla = table.open(tablea)
                      tbla.enter_record(ra)
                      tbla.close()

                      tblb = table.open(tableb)
                      tblb.enter_record(rb)
                      tblb.close()

                      I would add a ui_beep() to it since it goes so fast you will think nothing happened!
                      Last edited by MoGrace; 01-15-2017, 12:55 AM.
                      Robin

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

                      Comment


                        #12
                        Re: Updating table takes 5 sec in a local PC setup.

                        I will try it. Thanks
                        After this experience, I wonder how many other newer programmers out there, as I recall wondering how to make their network faster, as they complaint they had an slow network.
                        Perhaps this was one of their issues; This would have help them.
                        In my case in just one click, I was doing 2 tables record entry. Each one in the network using 12 to 15 seconds each. Now the 2 are a second or less.
                        I have to try Robins code. As I am sure there will be use for that different code.
                        Again thanks to all.

                        Comment


                          #13
                          Re: Updating table takes 5 sec in a local PC setup.

                          It does the same as Stan's code it is just easier to use when you have the form's field values available.

                          Edit: I tried to find the Wiki page for these methods with no luck (there is also a change_record() table method.
                          In the legacy documentation if you have it, I found it under:

                          What's New in V10 - Field Rules Now Honored During Xbasic Data Entry v10

                          I did find a Record_Add() function in the Wiki but the page has weird chars on it so the syntax example wasn't much help.
                          Last edited by MoGrace; 01-15-2017, 01:14 PM.
                          Robin

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

                          Comment


                            #14
                            Re: Updating table takes 5 sec in a local PC setup.

                            I have used the method MoGrace describes to append large numbers of records, over 100,000 and it is slightly faster. However when used for this number of appends the A5 enviroment became unstable started throwing wierd errors, stack space etc. that required a restart of Alpha5. The speed gain wasn't enought to warrent investigating the error messages further so I have no more details on the errors sorry.

                            Comment


                              #15
                              Re: Updating table takes 5 sec in a local PC setup.

                              Record_Add in the Alpha documentation there is method of use. It could use mode details.
                              It probably has benefits too.

                              Comment

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