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List:       lucene-user
Subject:    RE: help with boolean expression
From:       "Omar Didi" <odidi () Cyveillance ! com>
Date:       2005-03-02 14:33:05
Message-ID: 63434C14F9A6F74CB36B85033E4C30CA010829A1 () hermes ! corp ! cyveillance ! com
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I checked the code for the patch and I had no clue how to use it. 
can you please give me some instructions?
thanks

-----Original Message-----
From: Morus Walter [mailto:morus.walter@tanto.de]
Sent: Wednesday, March 02, 2005 9:01 AM
To: java-user@lucene.apache.org
Subject: RE: help with boolean expression


Omar Didi writes:
> thank you so much Eric and Morus, I have a clear idea now how it works. i will try \
> to implement a custom code that adds the parenthesis to boolean expressions with \
> some rules about operator precedence.  
I rather suggest, that you patch QP instead.

Adding parenthesis before handing the query string to QP means, to parse the
query string in your custom code, serialize the result to a query again
and let QP parse that string.
So in the end, you double the effort. Both for coding and runtime.

Morus


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