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In-Reply-To: <1309229848087-3116288.post@n3.nabble.com>
References: <1309229848087-3116288.post@n3.nabble.com>
Date: Tue, 28 Jun 2011 11:09:01 +0530
Message-ID: <BANLkTin_GDLRhTUNffwd1nfAE5iJtSyLxA@mail.gmail.com>
Subject: Re: Analyzer creates PhraseQuery
From: Mohammad Shariq <shariqnitt@gmail.com>
To: solr-user@lucene.apache.org
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I guess 'to' may be listed in 'stopWords' .

On 28 June 2011 08:27, entdeveloper <cameron.developer@gmail.com> wrote:

> I have an analyzer setup in my schema like so:
>
>  <analyzer>
>    <tokenizer class="solr.KeywordTokenizerFactory"/>
>    <filter class="solr.LowerCaseFilterFactory"/>
>    <filter class="solr.NGramFilterFactory" minGramSize="1"
> maxGramSize="2"/>
>  </analyzer>
>
> What's happening is if I index a term like "toys and dolls", if I search
> for
> "to", I get no matches. The debug output in solr gives me:
>
> <str name="rawquerystring">to</str>
> <str name="querystring">to</str>
> <str name="parsedquery">PhraseQuery(autocomplete:"t o to")</str>
> <str name="parsedquery_toString">autocomplete:"t o to"</str>
>
> Which means it looks like the lucene query parser is turning it into a
> PhraseQuery for some reason. The explain seems to confirm that this
> PhraseQuery is what's causing my document to not match:
>
> 0.0 = (NON-MATCH) weight(autocomplete:"t o to" in 82), product of:
>  1.0 = queryWeight(autocomplete:"t o to"), product of:
>    6.684934 = idf(autocomplete: t=60 o=68 to=14)
>    0.1495901 = queryNorm
>  0.0 = fieldWeight(autocomplete:"t o to" in 82), product of:
>    0.0 = tf(phraseFreq=0.0)
>    6.684934 = idf(autocomplete: t=60 o=68 to=14)
>    0.1875 = fieldNorm(field=autocomplete, doc=82)
>
> But why? This seems like it should match to me, and indeed the Solr
> analysis
> tool highlights the matches (see image), so something isn't lining up
> right.
>
>
> http://lucene.472066.n3.nabble.com/file/n3116288/Screen_shot_2011-06-27_at_7.55.49_PM.png
>
> In case you're wondering, I'm trying to implement a semi-advanced
> autocomplete feature that goes beyond using what a simple EdgeNGram
> analyzer
> could do.
>
>
> --
> View this message in context:
> http://lucene.472066.n3.nabble.com/Analyzer-creates-PhraseQuery-tp3116288p3116288.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>



-- 
Thanks and Regards
Mohammad Shariq

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