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no such field message error on query filter

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  • no such field message error on query filter

    good afternoon:

    i've been away from alpha programming for a while and the cobwebs have piled up in my brain.


    when i run the following code i get an error "No Such Field" at the line qry3=tbl3.query_create()

    the file name is spelled correctly and it is in the correct directory. the table has a field "journal_num" and there is a dimensioned variable "trade_id."

    the error is probably obvious, but i can't seem to figure it out. any suggestions?


    debug(1)
    tbl3=table.open("d:\stockledger\adgldetail")
    query.filter="tbl3.journal_num=var->trade_id"
    query.order=""
    qry3=tbl3.query_create()
    tbl3.fetch_first()
    while .not. tbl3.fetch_eof()
    tacct_num=tbl3.account_num

    debug(0)


    thank you in advance


    best regards,

    ed

  • #2
    Re: no such field message error on query filter

    query.filter="tbl3.journal_num= "+var->trade_id
    IF NUMERIC
    query.filter="tbl3.journal_num="+QUOTE(var->trade_id)
    IF CHARACTER

    Inside the quotes var->trade_id is treated as the literal text var->trade_id.
    Last edited by Stan Mathews; 09-18-2012, 03:16 PM.
    There can be only one.

    Comment


    • #3
      Re: no such field message error on query filter

      hi stan:

      thank you very much! this must be a change from a5v8 which is where im migrating from. i'll have to do some reading.


      thanks again!!


      best regards,

      ed

      Comment


      • #4
        Re: no such field message error on query filter

        hi again

        i tried your approach and still get the error. the variable is type c and the field journal_num is also character. the error is shown at the line "qry3=tbl3.query_create()"

        tbl3=table.open("d:\stockledger\adgldetail")
        query.filter="tbl3.journal_num="+QUOTE(var->trade_id)
        query.order=""
        qry3=tbl3.query_create()
        tbl3.fetch_first()
        while .not. tbl3.fetch_eof()
        tacct_num=tbl3.account_num


        any other suggestions?


        thanks again. good to see the good ol' boys still on the forum.


        ed

        Comment


        • #5
          Re: no such field message error on query filter

          Sorry, didn't notice.

          You don't need/use the table pointer when you have that query construction.....

          query.filter="journal_num="+QUOTE(var->trade_id)

          The table being queried with .query_create() is "understood" when you properly establish the query.filter and query.order.
          There can be only one.

          Comment


          • #6
            Re: no such field message error on query filter

            hi stan:

            thanks again. i tried this and it worked. i'll have a read up on the QUOTE.

            query.filter=("journal_num=var->trade_id")


            thanks!!


            ed

            Comment


            • #7
              Re: no such field message error on query filter

              query.filter=("journal_num=var->trade_id")

              That works in certain cases.

              See Selwyn's comments in post 11 and 13 of this thread.
              There can be only one.

              Comment


              • #8
                Re: no such field message error on query filter

                thanks again, stan.

                now i seem too be getting back up to speed.


                best regards,

                ed

                Comment

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