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What to do with multiple SQL arguments

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  • What to do with multiple SQL arguments

    Hi all
    I keep getting "One or more argument values referenced in SQL query, but were not found" I can not see anything wrong with the following code: Any advice on this one would be appreciated.

    dim conn as SQL::Connection
    dim args as SQL::Arguments
    dim connString as C
    dim query as C
    dim tbl as P
    dim StartDate as d
    dim EndDate As d

    StartDate = "03/03/2009"
    EndDate = "04/03/2009"

    query = "SELECT * FROM dbqwikorder WHERE GUESTARRIVALDATE BETWEEN :StartDate AND :EndDate;"

    connString = a5_GetNamedConnectionString("FGBookings")
    IF .not. conn.open(connString) THEN
    ui_msg_box("Error", conn.CallResult.text)
    end
    END IF

    IF .not. conn.open(connString) THEN
    ui_msg_box("Error", conn.CallResult.text)
    end
    END IF

    IF .not. args.Add("GUESTARRIVALDATE", StartDate)
    end
    END IF

    IF .not. args.Add("GUESTARRIVALDATE", Enddate)
    end
    END IF

    tbl = table.open("sqlbookingsdump")
    IF .not. conn.ToOpenTable(query, args, tbl, .t.) THEN
    ui_msg_box("Error", conn.CallResult.text)
    END IF
    Last edited by gagsoft; 08-25-2009, 02:59 PM.

  • #2
    Re: What to do with multiple SQL arguments

    Originally posted by gagsoft View Post
    query = "SELECT * FROM dbqwikorder WHERE GUESTARRIVALDATE BETWEEN :StartDate AND :EndDate;"
    I haven't tried this yet, but wouldn't it be...

    query = "SELECT * FROM dbqwikorder WHERE GUESTARRIVALDATE BETWEEN " + StartDate + " AND " + EndDate + " ;"

    Your parameters are not being evaluated inside the quoted string. Again... I haven't tried it yet in a database but that's what it looks like.

    Comment


    • #3
      Re: What to do with multiple SQL arguments

      Originally posted by gagsoft View Post

      IF .not. args.Add("GUESTARRIVALDATE", StartDate)
      end
      END IF

      IF .not. args.Add("GUESTARRIVALDATE", Enddate)
      end
      END IF
      The args.add()/SQL statement are wrong - it's the argument name first then the value to put in the argument. That's not matching with what you have in your SQL statement.
      Al Buchholz
      Bookwood Systems, LTD
      Weekly QReportBuilder Webinars Thursday 1 pm CST

      Occam's Razor - KISS
      Normalize till it hurts - De-normalize till it works.
      Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
      When we triage a problem it is much easier to read sample systems than to read a mind.
      "Make it as simple as possible, but not simpler."
      Albert Einstein

      http://www.iadn.com/images/media/iadn_member.png

      Comment


      • #4
        Re: What to do with multiple SQL arguments

        Please disregard my first post... ignorance.

        From what I can see in the documentation for args.add your code should be...

        if .not. args.Add("StartDate", StartDate)

        and

        if .not. args.Add("EndDate", EndDate)



        is that right?

        Comment


        • #5
          Re: What to do with multiple SQL arguments

          Hi Al, David,

          AL please excuse my ignorance. I do not really understand what you are saying. Can you please explain more? Normally one would have the column name first in args.Add("GUESTARRIVALDATE", StartDate) and then the variable which in both cases are last. The query that I am using was generated with the query genie.

          Many Thanks,
          Peter Gagiano

          Comment


          • #6
            Re: What to do with multiple SQL arguments

            Hey Peter,

            Yikes... could the genie have it wrong?

            Have a look in the help file for

            SQL::Arguments::Add()


            I've built a test against a MySQL table. I built the code to look like yours and got the same error. Then I changed the code to look like the example in the help file and it works.

            For the function args.Add, the first part is the name of your ":" argument without the ":", and then the name of your variable.

            Just fix those those args.Add statements and you'll be fine.

            In fact, to reduce confusion a bit, do this... change your variable names a bit... you don't really have to, but just for the purposes of explanation...

            Code:
            dim conn as SQL::Connection
            dim args as SQL::Arguments
            dim connString as C
            dim query as C
            dim tbl as P
            dim SDate as d
            dim EDate As d
            
            SDate = "03/03/2009"
            EDate = "04/03/2009"
            
            query = "SELECT * FROM dbqwikorder WHERE GUESTARRIVALDATE BETWEEN :StartDate AND :EndDate;"
            
            connString = a5_GetNamedConnectionString("FGBookings")
            IF .not. conn.open(connString) THEN
               ui_msg_box("Error", conn.CallResult.text)
               end
            END IF
            
            ' Is this required??? same as above.
            'IF .not. conn.open(connString) THEN
            '   ui_msg_box("Error", conn.CallResult.text)
            '   end
            'END IF
            
            IF .not. args.Add("StartDate", SDate)
               end
            END IF
            
            IF .not. args.Add("EndDate", EDate)
               end
            END IF
            
            tbl = table.open("sqlbookingsdump")
            IF .not. conn.ToOpenTable(query, args, tbl, .t.) THEN
               ui_msg_box("Error", conn.CallResult.text)
            END IF
            Your code is using GUESTARRIVALDATE in the args.Add function... and it shouldn't be there. Hope that helps.

            Comment


            • #7
              Re: What to do with multiple SQL arguments

              Hi David

              Thanks for the help. It works 100%

              Much appreciated,

              Peter Gagiano

              Comment


              • #8
                Re: What to do with multiple SQL arguments

                Yikes... could the genie have it wrong?
                I hope one of you has or will report this as a bug.
                Mike
                __________________________________________
                It is only when we forget all our learning that we begin to know.
                It's not what you look at that matters, it's what you see.
                Henry David Thoreau
                __________________________________________



                Comment


                • #9
                  Re: What to do with multiple SQL arguments

                  Thanks for the reminder Mike...

                  Peter,

                  I'd like to try to duplicate the genie code that created this problem so I can report it. Can you start me in the right direction. Just creating a query doesn't seem to head in the right area. Give me a few of the steps you used and I can duplicate and report. Thanks.

                  Comment


                  • #10
                    Re: What to do with multiple SQL arguments

                    David,

                    I do not think this is a bug. Only the query part of the script was generated with the genie which is correct (query = "SELECT * FROM dbqwikorder WHERE GUESTARRIVALDATE BETWEEN :StartDate AND :EndDate;"). It was my usage of the variables and the arguments using the latter in the wrong context. I used action script SQL(using AphaDAO) to generate the query.

                    Thanks David, Mike

                    Peter Gagiano

                    Comment


                    • #11
                      Re: What to do with multiple SQL arguments

                      Thanks for the info on what you were using to get the xbasic code.

                      Comment


                      • #12
                        Re: What to do with multiple SQL arguments

                        Hi All
                        Hey I must thank you guys for all the help.

                        Thanks,:)

                        Peter

                        Comment

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