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From Deepak Shakya <just...@gmail.com>
Subject Re: QueryParser and BooleanQuery
Date Mon, 23 Jul 2012 12:16:05 GMT
Hey Jack,

Can you let me know how should I do that? I am using the Lucene 3.6 version
and I dont see any parse() method for StandardAnalyzer.


On Mon, Jul 23, 2012 at 8:47 AM, Jack Krupansky <jack@basetechnology.com>wrote:

> Yes, I failed to notice that the removal of the slash was yet another
> instance of the analyzer transforming its input. But the bottom line is
> that you must do 100% of the same steps that analysis performs. If in
> doubt, pass your literals through the standard analyzer itself.
>
>
> -- Jack Krupansky
>
> -----Original Message----- From: Deepak Shakya
> Sent: Sunday, July 22, 2012 9:35 PM
> To: java-user@lucene.apache.org
> Subject: Re: QueryParser and BooleanQuery
>
>
> I tried changing the case to lower case, but still the BooleanQuery doesn't
> return any documents.
>
> I see that the text "/blank" is converted to "blank" in the QueryParser.
> But in BooleanQuery it remains the same. When I remove the forward slash
> sign from the input string, I get the matched documents with BooleanQuery.
> Does the Standard Analyzer does this stripping of special characters as
> well?
>
> On Sun, Jul 22, 2012 at 8:58 PM, Jack Krupansky <jack@basetechnology.com>*
> *wrote:
>
>  The query parser/analyzer is lower-casing the query terms automatically.
>> You have to do the same with with terms for BooleanQuery -
>> Term("cs-method", "GET") should be "Term("cs-method", "get")".
>>
>> StandardAnalyzer is doing the lower-casing.
>>
>> -- Jack Krupansky
>>
>> -----Original Message----- From: Deepak Shakya
>> Sent: Sunday, July 22, 2012 10:17 AM
>> To: java-user@lucene.apache.org
>> Subject: QueryParser and BooleanQuery
>>
>>
>> Hi,
>>
>> I have following dataset indexed in Lucene.
>> 2010-04-21 02:24:01 GET /blank 200 120
>> 2010-04-21 02:24:01 GET /US/registrationFrame 200 605
>> 2010-04-21 02:24:02 GET /US/kids/boys 200 785
>> 2010-04-21 02:24:02 POST /blank 304 56
>> 2010-04-21 02:24:04 GET /blank 304 233
>> 2010-04-21 02:24:04 GET /blank 500 567
>> 2010-04-21 02:24:04 GET /blank 200 897
>> 2010-04-21 02:24:04 POST /blank 200 567
>> 2010-04-21 02:24:05 GET /US/search 200 658
>> 2010-04-21 02:24:05 POST /US/shop 200 768
>> 2010-04-21 02:24:05 GET /blank 200 347
>>
>> I am querying it in two ways, first with QueryParser and other with
>> BooleanQuery.
>>
>> *QueryParser version:*
>>
>> Query q = new QueryParser(version, "cs-method", new
>> StandardAnalyzer(version)).****parse("cs-method:GET AND cs-uri:/blank");
>>
>>
>> *BooleanQuery version:*
>>
>> BooleanQuery q = new BooleanQuery();
>> q.add(new TermQuery(new Term("cs-method", "GET"),
>> BooleanClause.Occur.SHOULD);
>> q.add(new TermQuery(new Term("cs-uri", "/blank"),
>> BooleanClause.Occur.SHOULD);
>>
>> When I run the two version, I am able to match the documents with the
>> QueryParser version, but not with BooleanQuery. The output is as follows:
>>
>> *QueryParser output:*
>>
>> Total Number of Documents - 11
>> Query --> +cs-method:get +cs-uri:blank
>> Total Clues Found - 5
>>
>> *BooleanQuery output:*
>>
>> Total Number of Documents - 11
>> Query --> cs-method:GET cs-uri:/blank
>> Total Clues Found - 0
>>
>> Does anybody know why the BooleanQuery doesn't return any documents while
>> QueryParser does? Also, how can I change the BooleanQuery to work for the
>> above case?
>>
>> --
>> With Regards,
>> Deepak Shakya
>>
>> ------------------------------****----------------------------**
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>>
>>
>>
>
> --
> With Regards,
> Deepak Shakya
> http://www.google.com/**profiles/justdpk<http://www.google.com/profiles/justdpk>
>
> ------------------------------**------------------------------**---------
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>
>


-- 
With Regards,
Deepak Shakya
http://www.google.com/profiles/justdpk

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