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Queries

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  • Queries

    Trying to put a query on a button with a varible. I created the query using the query toolbar icon and used the script recorder. Transferred it to my button and it works fine. Below is the query.

    tbl = table.current()
    query.description = ""
    query.order = ""
    query.filter = "SMATCH((VOLUNTER->CODES),("*bull*"))"
    query.options = "I"
    tbl.query_create()
    :Vol1.fetch_first()

    I am trying to sub ("*bull*") with a varible. If I use xbasic code toolbar button it uses "*bull*" ( all it does is remove the back slashes). When it run my form and use the button it errors and says incorrect data type. If the backslashes are left in it works.

    Any help would be appreciated.

    Thanks

  • #2
    RE: Queries

    John,

    I really don't understand your example but one problem sticks right out. A query filter must be a logical expression, one which is true or false for each record, such as
    "Lastname='Jones' "
    and yours
    query.filter = "SMATCH((VOLUNTER->CODES),("*bull*"))"
    is not (unless there is a typo).

    "I am trying to sub ("*bull*") with a varible. If I use xbasic code toolbar button it uses "*bull*" ( all it does is remove the back slashes)."

    I find this passage opaque. Is "bull" a variable? Is the "*" character being used as a wildcard? What removes the backslashes from where?

    Bill
    Bill Hanigsberg

    Comment


    • #3
      RE: Queries

      Bill,
      Thanks for your reply.

      My field name is CODES and in some of the records it will contain the phrase "em,bull,choir". I am searching the field for the expression bull.

      Using the script recorder it gave me the following result,

      :Vol1.activate()
      tbl = table.current()
      query.description = ""
      query.order = ""
      query.filter = "SMATCH((VOLUNTER->CODES),("*bull*"))"
      query.options = "I"
      tbl.query_create()

      When I put this code into my button and looked at the code in xbasic it had removed the two back slashes.

      My intention is to replace *bull* with a varible. The problem with replacing it with a varible is the usage of quotes.

      Thanks

      Comment


      • #4
        RE: Queries

        Bill,
        I forgot to tell you that the "*" is being used as a wildcard.

        thanks

        Comment


        • #5
          RE: Queries

          Well John,

          I've just managed to show everyone that I forgot how smatch works. The expression you quote (from the genie) is logical after all which is why it works.

          So all you want to do is replace the literal "*bull*" with a variable (e.g. vString). There are two issues here
          -the quotes
          -get the variable to work correctly in this context

          as for the quotes
          "+vString+"
          is probably right and if it isn't Tom Cone will tell us.

          Getting the variable to work might require some experimentation. You do not want to search for the literal "*bull*" so you may need to use the eval() function:
          eval("+vString+")

          If we're lucky someone has already worked this out. If not you'll have to fiddle with it.

          Bill
          Bill Hanigsberg

          Comment


          • #6
            RE: Queries

            Bill,
            This query filter works (see above e-mails.
            query.filter = "SMATCH((VOLUNTER->CODES),("*bull*"))"

            This query filter does not work
            query.filter = "SMATCH((VOLUNTER->CODES),("*bull*"))"

            The error that I get is
            Argument is incorrect data type.

            Thanks again!

            Comment


            • #7
              RE: Queries

              here is a snippet that I use acting on user data

              dim temp as c
              temp=upper(ui_get_text("Enter any portion of Serial Number",""))
              if temp=""
              end
              end if
              temp="*"+temp+"*"
              ha=table.open("hearing aids")
              query.filter="smatch(serial_number,var->temp)"

              I could also add temp="*"+temp+"bull"+"*"

              ps:did you get your smatch filter from the script recorder? Thats where I got mine about, 3 years ago.
              Cole Custom Programming - Terrell, Texas
              972 524 8714
              martin_w_cole@msn.com

              ____________________
              "A young man who is not liberal has no heart, but an old man who is not conservative has no mind." GB Shaw

              Comment


              • #8
                RE: Queries

                Hi John
                If you are using smatch on a button, try

                query.filter = "SMATCH((VOLUNTER->CODES),'*bull*')"
                Note the apostrophies before and after BULL

                I use smatch all the time, just have to use apostrophies instead of quotation marks. Substitute them in scripts where in other operations would require quotation marks.

                for variables with smatch

                "SMATCH((VOLUNTER->CODES),'*'+ALLTRIM(VAR->VARNAME)+'*')"

                Mick

                Comment


                • #9
                  RE: Queries

                  Bill, Martin, Mick,

                  After trying what you had suggested this is the result,

                  "SMATCH((VOLUNTER->CODES),('*'+var->qry+'*'))"

                  This works. qry is the name of my varible. The problem seemed to be using "var->qry", I was not familiar with the "var->" concept.

                  Thanks for all the help.

                  Is there a step below newbie?

                  Thanks

                  Comment

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