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From "ruchi thakur" <ruchithak...@gmail.com>
Subject Re: Query String for a phrase?
Date Fri, 16 Mar 2007 08:26:25 GMT
Thanks a lot for your help. I am now using query as documented for phrase.
Regards,
Ruchi

On 3/13/07, Chris Hostetter <hossman_lucene@fucit.org> wrote:
>
>
> : ok, so does that mean i can use both q1 and q2 for phrase query ie; for
> : searching words adjacent to each other. Actually that was my only
> concern,
> : as i wanted to use q1 for phrase query, rather than q2.
> : Regards,
>
> Your example "q1" is not hte correct syntax for a phrase query .. the
> correct syntax is to put quotes arround your words.
>
> you happen to be getting phrase queries for your "q1" example because of
> the analyzer you are using.   QueryParser does one pass at parsing to
> look for special meta characters it udnerstands, and then passes the
> tokens it finds to your analyzer, if hte analyzer gives it back a
> stream of tokens it makes  phrase query out of it... because your analyzer
> splits "apaceh&lucene" into two tokens, QueryParser makes a phrase query.
>
> you should not rely on this behavior, because if at some point your
> analyzer changes (or if you are using StandardAnalyzer and it encounters a
> situation where it assumes the "&" is a legitimate interword character (it
> might in cases i can't think of off hte top of my head) you won't get a
> phrase query, you'll get a single word query.
>
> use the syntax documented to get the behavior documented: if you don't
> like that syntax, you'll need a different query parser.
>
>
> -Hoss
>
>
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