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Error when MySQL Stored Procedures Returns No Results

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    Error when MySQL Stored Procedures Returns No Results

    I have a MySQL stored procedure that populates a grid. Everything works fine, except when the stored procedure returns no results. In that case, I get the following error:

    Code:
    Error expanding Grid Part template: Result set row requested not found while getting result set data column 'UniqueREID'.
    I've had this problem before with other stored procedures when they returned zero results, so this may be a bug in the way that Alpha 5 treats stored procedures.

    I can think of a couple of potential workarounds to this, and I've used some before, but does anyone know the simplest way around this problem? Some way to just get the grid to display "No results in query" if there are no results?

    #2
    Re: Error when MySQL Stored Procedures Returns No Results

    When a stored procedure returns a 0, it looks the same to Alpha as if the stored procedure returns an error.

    In a case like this, you should setup a dummy row - a return that basically tells YOU or the user that there were no rows, but that comes back as a single row anyway so far as Alpha is concerned.

    Comment


      #3
      Re: Error when MySQL Stored Procedures Returns No Results

      Yeah, that was the workaround that I used before, but I really shouldn't have to do that. The program should be smart enough to recognize that and give me the same easy way to print "No records" as it would if I were using a SQL SELECT statement instead of a stored procedure. It's just unnecessarily cumbersome, when the whole point of this program is to avoid stuff that is unnecessarily cumbersome.

      Oh well. Thanks for the reply.

      Comment


        #4
        Re: Error when MySQL Stored Procedures Returns No Results

        Actually, the point of the program is to build applications quickly and easily. It's form building engine is really top notch.

        It tries to make things less cumbersome, and in general it does that - but it's method for detecting stored procedure errors works against it in this case.

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