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Message-ID: <20041221111001.74871.qmail@web21323.mail.yahoo.com>
Date: Tue, 21 Dec 2004 03:10:01 -0800 (PST)
From: Sanyi <need4sid@yahoo.com>
Subject: Re: Synonyms for AND/OR/NOT operators
To: Lucene Users List <lucene-user@jakarta.apache.org>
In-Reply-To: <16839.62296.875645.484722@tucholsky.office.tanto.de>
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Well, I guess I'd better recognize and replace the operator synonyms to their original format
before passing them to QueryParser. I don't feel comfortable tampering with Lucene's source code.

Anyway, thanx for the answers.

Sanyi

--- Morus Walter <morus.walter@tanto.de> wrote:

> Erik Hatcher writes:
> > On Dec 21, 2004, at 3:04 AM, Sanyi wrote:
> > > What is the simplest way to add synonyms for AND/OR/NOT operators?
> > > I'd like to support two sets of operator words, so people can use 
> > > either the original english
> > > operators and my custom ones for our local language.
> > 
> > There are two options that I know of: 1) add synonyms during indexing 
> > and 2) add synonyms during querying.  Generally this would be done 
> > using a custom analyzer.
> 
> I guess you missunderstood the question.
> 
> I think he want's to know how to create a query parser understanding 
> something like 'a UND b' as well as 'a AND b' to support localized 
> operator names (german in this case).
> 
> AFAIK that can only be done by copying query parsers javacc-source and
> adding the operators there.
> Shouldn't be difficult, though it's a bit ugly since it implies code
> duplication. And there will be no way of choosing the operators dynamically
> at runtime. One will need to have different query parsers for different
> languages.
> 
> Morus
> 
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