lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Erik Hatcher <e...@ehatchersolutions.com>
Subject Re: FilteredQuery and Boolean AND
Date Fri, 01 Apr 2005 18:29:04 GMT
Peter,

Could you provide a straight-forward test case that indexes a few 
documents into a RAMDirectory and demonstrates the problem you're 
having with AND'd FilteredQuery's?

Give me something concrete and simple and I'll dig into it further.

	Erik

On Apr 1, 2005, at 11:13 AM, Kipping, Peter wrote:

> Any ideas on this?  I have purchased your book, Lucene in Action, which
> is quite good.  To make things easier, consider the example on p212.  
> In
> item 4, when you combine the queries, what happens you combine them in
> and AND fashion?  The book only has OR, which works.  Although it may
> work since the book only has one filtered query, but what if you made
> them both filtered queries and ANDed them?
>
> Thanks,
> Peter
>
> -----Original Message-----
> From: Kipping, Peter [mailto:Peter.Kipping@taylorandfrancis.com]
> Sent: Friday, March 25, 2005 10:34 AM
> To: java-user@lucene.apache.org
> Subject: FilteredQuery and Boolean AND
>
> I have the following query structure:
>
> BooleanQuery q2 = new BooleanQuery();
> TermQuery tq = new TermQuery(new Term("all_entries", "y"));
> FilteredQuery fq = new FilteredQuery(tq, ft);
> FilteredQuery fq2 = new FilteredQuery(tq, ft2);
> q2.add(fq, false, false);
> q2.add(fq2, false, false);
>
> The two filters are searches over numeric ranges.  I'm using filters so
> I don't get the TooManyBooleanClauses Exception.  And my TermQuery tq 
> is
> just a field that has 'y' in every document so I can filter over the
> entire index.  The last two lines I am creating a boolean OR, and
> everything works fine.  I get back 30 documents which is correct.
>
> However when I change the last two lines to create an AND:
>
> q2.add(fq, true, false);
> q2.add(fq2, true, false);
>
> I still get back 30 documents, which is not correct.  It should be 0.
> What's going on with FilteredQuery?
>
> Thanks,
> Peter
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-user-help@lucene.apache.org


Mime
View raw message