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query problem

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    query problem

    Since installing the previous patch (not the latest one) I have problems with queries on several forms.
    One example : to select a certain investment fund from my investment table I setup a variable called �active_funds�. The choices on the variable field come from a lookup table.
    After selecting a fund from the lookup table, I activate a button which runs a custom query with the following filter expression :
    descriptn = Var->active_funds .and. Maingroup = "Yes"
    When the form first gets activated this works fine. When I select another fund , I get an empty table. I never had trouble with this before. ( This application is probably 5 years old).
    It looks like the second query is only looking at the previously selected data and not at the whole table.
    This problem exists also on other queries where part of the filter expression is a variable.
    I have no problems using the �Query by form� genie from the menue.
    I have downloaded the latest patch hoping it would solve this, but it did not!

    Hope somebody knows a way out.

    Gunter

    #2
    Try setting query.options="T" in your code when you set up your query.

    Comment


      #3
      Peter,
      The 'Maingroup' field is a character field and I had tried your suggestion already before I posted this thread.
      I went one further and changed that field to a logical field and now I am getting "Invalid order expression" message.
      I also tried without the second part of the expression (maingroup = "yes").
      Same results.
      When the form first opens I can do 1 query, that's it.
      Still stuck...
      Gunter

      Comment


        #4
        Gunter, how about posting a working model of the database here? We can confirm the behavior you're seeing, and maybe have an explanation or suggestion for work around. When you post the database, include instructions for us to follow to be able to retrace your steps on our machines. -- tom

        Comment


          #5
          Guner,
          The other suggestion I would make is to change the query filter to
          Code:
          query.filter="descriptn = "+quote( active_funds)+\
          " .and. Maingroup = \"Yes\""
          If that doesn't work, try putting
          Code:
          table.current().query_detach_all()
          in front of the query filter.
          Last edited by Peter.Wayne; 04-15-2006, 07:25 AM.

          Comment


            #6
            Gentlemen

            Thank's for your help.
            I did find a workaround on my own (placed a "set index" before the query), but peter's last suggestion - table.current().query_detach_all() - works better and I am back in buiseness.
            The question that remains though is why did this happen after 8 years (that's how old one of my app's is) .

            Thank's again
            Gunter

            Comment


              #7
              Hi Gunter,

              The earlier versions of Alpha were more 'forgiving' so to speak. As the software evolves, it forces us to better conform to proper coding. Just a guess :)

              Good luck
              Cheryl
              Cheryl
              #1 Designs By Pagecrazy
              http://pagecrazy.com/

              Comment

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