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------- Additional Comments From jakarta@ehatchersolutions.com 2005-03-02 17:54 -------
I tried applying the latest QueryParser.jj patch but it failed. Could you update this patch to the current
svn version of QueryParser.jj? And we need to have some test cases to prove this works as expected.
I'll apply it.

There are other ways to achieve this with JavaCC which I'm exploring myself in a custom query parser.

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  • Bugzilla at Mar 3, 2005 at 6:59 am
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    ------- Additional Comments From morus.walter@gmx.de 2005-03-03 07:59 -------
    OK, I'll look into this.
    But it might take some time (1-2 weeks).

    If you're going to fix it otherwise, let me know.
    Of course it should be able to do the operator precenedence on the javacc level,
    though I'm not sure about the details of the needed recursion.
    But that might end in a major rewrite of qp, something I wanted to avoid, when I
    wrote the patch.


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  • Bugzilla at Mar 7, 2005 at 6:31 pm
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    jakarta@ehatchersolutions.com changed:

    What |Removed |Added
    ----------------------------------------------------------------------------
    AssignedTo|lucene- |jakarta@ehatchersolutions.co
    dev@jakarta.apache.org |m
    Status|ASSIGNED |NEW




    ------- Additional Comments From jakarta@ehatchersolutions.com 2005-03-07 19:31 -------
    I have created a PrecedenceQueryParser in Lucene's trunk repository. This implements the precedence
    with AND/OR as desired with AND taking a higher precedence, and also seems to deal nicely with the
    edge cases mentioned in the comments of this issue such that A OR B C translates to A B C.

    Let me know if PQP is acceptable and I'll make the switch and rename it to QueryParser moving the old
    QueryParser to OldQueryParser and deprecating it in case anyone needs the previous behavior.

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