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Date: Thu, 10 Jul 2008 16:14:59 +0100
From: Chris Bamford <chris.bamford@scalix.com>
To: java-user@lucene.apache.org
Message-ID: <48762773.60009@scalix.com>
In-Reply-To: <4875F939.20507@scalix.com>
References: <18295066.post@talk.nabble.com>
References: <4875F939.20507@scalix.com>
Subject: Re: newbie question (for John Griffin) - fixed
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Hi John,

Please ignore my earlier questions on this subject, as I have got to the 
bottom of it.
I was not passing each word in the phrase as a separate Term to the 
query; instead I was passing the whole string (doh!).

Thanks.

- Chris

Chris Bamford wrote:
> Hi John,
>
> Further to my question below, I did some back-to-basics investigation 
> of PhraseQueries and found that even basic ones fail for me...
> I found the attached code on the Internet (see 
> http://affy.blogspot.com/2003/04/codebit-examples-for-all-of-lucenes.html) 
> and this fails too...  Can you explain why?  I would expect the first 
> test to deliver 2 hits.
>
> I have tried with Lucene 2.0 and 2.3.2 jars and both fail.
>
> Thanks again,
>
> - Chris
>
>
>
> Chris Bamford wrote:
>> Hi John,
>>
>> Just continuing from an earlier question where I asked you how to 
>> handle strings like "from:fred flintston*" (sorry I have lost the 
>> original email).
>> You advised me to write my own BooleanQuery and add to it Prefix- / 
>> Term- / Phrase- Querys as appropriate.  I have done so, but am having 
>> trouble with the result - my PhraseQueries just do not get any hits 
>> at all  :-(
>> My code looks for quotes - if it finds them, it treats the quoted 
>> phrase as a PhraseQuery and sets the slop factor to 0.
>> so,  an input of:
>>
>>    subject:"Good Morning"
>>
>> results in a PhraseQuery (which I add to my BooleanQuery and then 
>> dump with toString()) of:
>>
>>    +subject:"good morning"
>>
>> ... which fails.
>> However, if I break it into 2 TermQuerys, it works (but that's not 
>> what I want).
>>
>> What am I missing?
>>
>> Thanks,
>>
>> - Chris
>>
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-- 
------------------------------------------------------------------------
*Chris Bamford*
Senior Development Engineer 	<http://www.scalix.com>
------------------------------------------------------------------------
/Email / MSN/ 	chris.bamford@scalix.com
/Tel/ 	+44 (0)1344 381814 	  	/Skype/ 	c.bamford


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