Re: true/false & JJTree/JavaCC

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Sat Oct 28 2006 - 12:47:46 EDT

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    On Oct 20, 2006, at 2:46 AM, Tore Halset wrote:

    > Hello.
    >
    > I am trying to implement true/false. See the following issue.
    >
    > http://issues.apache.org/cayenne/browse/CAY-696
    >
    > First, I do not know if this a good idea, but it was requested..

    I think it is a good idea.

    > My main motivation is to be able to do a expIn(/expNotIn) with an
    > empty collection.
    >
    > How should I update the JJTree stuff?

    Yes, you will need to update the parser for completeness of the
    implementation of this feature.

    > Is that only for parsing ala Expression.fromString(...)?

    Yes, but as Michael mentioned "Expression.fromString" itself is used
    in the Modeler (and runtime) to parse queries saved in XML.

    Andrus

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