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From Robert Watkins <>
Subject Re: Test new query parser?
Date Tue, 22 Aug 2006 21:15:00 GMT
Mark --

Yes please! I'm very interested in the mixing of boolean and proximity
operators. I have also worked on a parser (using JavaCC) but haven't
managed to crack queries such as:

     ((a OR b) AND c) NEAR (d NOT e)

I can get the parse tree okay, but haven't figured out how to translate
that into a valid Lucene Query object. Simple queries such as:

     (a OR b) NEXT (c OR d)   // note the use of OR exclusively!

are okay, but nothing more complex. So: bring it on!

-- Robert
rwatkins at

On Mon, 21 Aug 2006, Mark Miller wrote:

> Is anyone interested in helping me test out a new query parser (i.e is
> anyone interested in using this, thereby helping me test it) ?
> The parser uses a intermediate parse tree representation, unlike Lucene's
> Query Filter.
> [ snipped ]

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