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Duplicating Records

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    #1

    Duplicating Records

    I have several tables linked all on the same key field in a set.

    Quote -> Item data
    -> Summary data
    -> Subcon data

    If I duplicate the record in the Quote table what happens to the records linked in the set. Is the record also duplicated in all the tables or just the Quote table?

    Or do I have to open each table, locate the record, duplicate it and then update the key field I am interested in? Then ofcourse update the index.

    I hope this makes sense.

    Paul
    Tags: None
    #2
    Re: Duplicating Records

    If I understand what you are trying to do. Just as long as the LINK is the same in all the tables, then when you duplicate a Quote, then if you are displaying the summary and subcon on a form within the set then then data from all 3 tables will be displayed. However, if you change the LINK in the Quote table, then the data from the other two tables will not be displayed.

    Comment

      #3
      Re: Duplicating Records

      Originally posted by Phil Rolf View Post
      If I understand what you are trying to do. Just as long as the LINK is the same in all the tables, then when you duplicate a Quote, then if you are displaying the summary and subcon on a form within the set then then data from all 3 tables will be displayed. However, if you change the LINK in the Quote table, then the data from the other two tables will not be displayed.
      Ok, Say for argument sake the structure of the three tables all have "QuoteNo" as the link field and the table "Quote" has the "QuoteNo" as an autoincrement field. Duplicating the record in the Quote table will produce a new record with a different "QuoteNo" but the linked tables will have what in the "QuoteNo" field???? How do I get all the tables to stay in synchronization.

      I suppose another way of putting it is. Four tables all with a with a common field (QuoteNo), which is linked on that field. Need to be duplicated with the common field (QuoteNo) being updated in all tables to the same value. So the link stays in sync.

      Paul

      Comment

        #4
        Re: Duplicating Records

        You didn't mention (or I missed it) about the auto increment. But once you do the autoincrement then the other 3 tables would not be linked.

        If you are starting a NEW QUOTE, you should not have any data in the other tables that are related to the New Quote. When you enter info in the other tables then they would be begin to be linked together.

        Comment

          #5
          Re: Duplicating Records

          Originally posted by Paul Main View Post
          I have several tables linked all on the same key field in a set.

          Quote -> Item data
          -> Summary data
          -> Subcon data

          If I duplicate the record in the Quote table(parent) what happens to the records linked in the set.Nothing Is the record also duplicated in all the (child)tables... No ...or just the Quote table?Yes

          Or do I have to open each table, locate the record, duplicate it and then update the key field I am interested in? YesThen of course update the index. The indexes should update themselves.

          I hope this makes sense.

          Paul
          The inserted comments I hope answer your questions directly. However having said that you need to go into each child table and specifically duplicate the records there does not mean the process can't be automated/scripted. you should be able to do the whole thing with the right combination of action scripts/or xbasic if you prefer.

          You basically need to first get the linking key value from the original parent record and store it in a variable. Then duplicate the parent record and store the new linking key value into a second variable. Then one child table at a time filter the table using the original linking value, loop through the records duplicating them and inserting the new linking key.

          Should be a piece of cake;)
          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

            #6
            Re: Duplicating Records

            Originally posted by Tim Kiebert View Post
            The inserted comments I hope answer your questions directly. However having said that you need to go into each child table and specifically duplicate the records there does not mean the process can't be automated/scripted. you should be able to do the whole thing with the right combination of action scripts/or xbasic if you prefer.

            You basically need to first get the linking key value from the original parent record and store it in a variable. Then duplicate the parent record and store the new linking key value into a second variable. Then one child table at a time filter the table using the original linking value, loop through the records duplicating them and inserting the new linking key.

            Should be a piece of cake;)
            Tim,

            Yes, that all makes sense to me. I will give it a go and see how I get on. I am not sure it will be a piece of cake for me though.

            One issue. I want to duplicate the record in the child table so I have the same data but the key field reflecting the new record in the parent table.

            Thanks

            Paul
            Last edited by Paul Main; 06-14-2007, 02:17 PM. Reason: Thought of something else

            Comment

              #7
              Re: Duplicating Records

              Paul, my example in the following thread may help:

              http://msgboard.alphasoftware.com/al...ad.php?t=67763

              Comment

                #8
                Re: Duplicating Records

                Paul

                I have an application with the same requirement. My solution involves action scripting, x-dialog and saved operations. Have requested a "Set" based copy operation from the folks at Alpha but I quess its a low priority.

                A/S 1:
                Display an x-dialog box to request the existing "Key" & the "New Key" for the records to be copied. Store in variables.

                A/S 2: Using saved copy operations, 1 per table
                Copy "Key" records from each table to temporary tables.

                A/S 3: Using saved update operations, 1 per table
                Update the "Key" field with "New Key" in the temporary tables.

                A/S 4: Using saved Append operations 1 per table.
                Append Temporary tables to Master tables.

                Note: Attempting to run as 1 A/S does not work. Timing issue ?

                John

                Comment

                  #9
                  Re: Duplicating Records

                  Tom,

                  I have gone through the examples you directed me to. Yes, I can see how they work and as usual the circumstances are slightly different. The main problem I have is understanding the control of which record has focus. I have :

                  vgDupKey1 = 52200, this is the original quote number
                  vgDupKey2 = 52238, this is the new quote number.

                  These I get from the parent table record before and after the duplication of the record.

                  I then use a hidden form to base the processing on. I think this is the right way to do it and use "On Activate"

                  The record data in the child table is:-

                  Child table
                  QuoteNo, ItemNo,etc
                  52200, 52200-1
                  52200, 52200-2
                  52200, 52200-3

                  for example

                  I need to duplicate these records and change the QuoteNo and ItemNo to:-

                  Child table
                  QuoteNo, ItemNo,etc
                  52238, 52238-1
                  52238, 52238-2
                  52238, 52238-3

                  How can I do this. I can't seem to work out the code I need. I think I should use a do while loop. I have thought of using the folowing sequence.

                  1) Query the child table to select the records to duplicate.
                  2) Duplicate the first record and change the QuoteNo and ItemNo fields, save
                  3) got to the next record
                  4) Got to 2) or end if eof()

                  Any help would be more than appreciated.

                  Paul

                  Comment

                    #10
                    Re: Duplicating Records

                    Paul,

                    I took Tom's example and worked it in a sample I have that is for Quotes that involves a parent and a child, not two child tables as in Tom's example. When the Database opens to the main menu, select blue button - br Clients. The duplicate button is there. It runs a script named 'duplicate' that used the record_data_get() and record_data_set() functions.

                    Hope this helps
                    Mike W
                    __________________________
                    "I rebel in at least small things to express to the world that I have not completely surrendered"

                    Comment

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