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How do i create indexes??

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    How do i create indexes??

    I am running a Join Operation... it creates a table named JoinCPODetail.dbf

    The problem I'm having is that the two indexes that I need are deleted when the table is updated...
    so... I wrote the following script:

    'When the Joincpodetail table is updtaed / created the indexes are destroyed... this script saves the index definitions... runs the join... then recreaes the indexes

    'Consultnum All Ascending, DateToProcess All Decending

    'dim IndexDefs As C
    dim t As P

    'IndexDefs = Get_Index_Definitions("JoincpoDetail")

    'Run a saved 'Join' operation: 'JoinCPODetail'.
    query.filter = ""
    query.order = ""

    DIM operation_name as c
    operation_name = "JoinCPODetail"
    If operation_name <> "" then
    join.run(operation_name,query.filter , "")
    End if

    ui_msg_box("CONSULTNUM AND DtoP INDEXES WILL BE RECREATED","CONSULTNUM AND DtoP INDEXES WILL BE RECREATED",UI_ATTENTION_SYMBOL+UI_OK)

    'Result = CREATE_INDEXES("JoinCPODetail", "IndexDefs", .t. )
    t = Table.open("JoinCPODetail",FILE_RW_EXCLUSIVE)
    t.index_create_begin("Consultnum","Consultnum","","")
    t.index_create_end()
    t.index_create_begin("DtoP","Datetoprocess","","")
    t.index_create_end()
    t.close()

    ui_msg_box("Indexes Hve Been Re-Created", "Indexes Hve Been Re-Created",UI_INFORMATION_SYMBOL+UI_OK)

    The script creates the first index 'Consultants'... but not the second 'DtoP'
    Also I want the second index to be Descending All

    How can I do this?

    Thanks D

    #2
    Re: How do i create indexes??

    David, this is from memory, but have you set the option to preserve the data dictionary in the result table? I seem to recall that when this is set, your various definitions persist.
    Finian

    Comment


      #3
      Re: How do i create indexes??

      Try closing the table after the first index is created, reopen it and do the next one.
      If you want to use your code that is.
      See our Hybrid Option here;
      https://hybridapps.example-software.com/


      Apologies to anyone I haven't managed to upset yet.
      You are held in a queue and I will get to you soon.

      Comment


        #4
        Re: How do i create indexes??

        Thanks Finian... the Dictionary is preserved ie forms etc... but the indexes are not :-(

        Comment


          #5
          Re: How do i create indexes??

          Thanks Ted... I tried closing the table... now only the second index is created, not the first... also I can't get the Descending All spec to work... so I am using "" because <?D'A> and "?D'A" don't work

          Comment


            #6
            Re: How do i create indexes??

            Ok.
            Try it as 2 separate processes then from the Interactive pane.
            Do one, see if it sticks, then do the other.
            See our Hybrid Option here;
            https://hybridapps.example-software.com/


            Apologies to anyone I haven't managed to upset yet.
            You are held in a queue and I will get to you soon.

            Comment


              #7
              Re: How do i create indexes??

              Solved !!!… well almost... I still can't get the index to be in Descending order... I've tried "D", "<D>" and <D> it is always Ascending

              Here is the code that worked:
              query.filter = ""
              query.order = ""

              DIM operation_name as c
              operation_name = "JoinCPODetail"
              If operation_name <> "" then
              join.run(operation_name,query.filter , "",.t.)
              End if

              ui_msg_box("CONSULTNUM AND DtoP INDEXES WILL BE RECREATED","CONSULTNUM AND DtoP INDEXES WILL BE RECREATED",UI_ATTENTION_SYMBOL+UI_OK)

              'Result = CREATE_INDEXES("JoinCPODetail", "IndexDefs", .t. )
              t = Table.open("JoinCPODetail",FILE_RW_EXCLUSIVE)
              t.index_create_begin("Consultnum","Consultnum","","")
              t.index_add("DtoP","Datetoprocess","","")
              t.index_create_end()
              t.close()

              ui_msg_box("Indexes Hve Been Re-Created", "Indexes Hve Been Re-Created",UI_INFORMATION_SYMBOL+UI_OK)

              t.index_create_begin() can only be used once... additional tags must be specified using t.index_add()

              Comment

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