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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: boolean AND search
Date Thu, 27 Feb 2003 14:13:59 GMT
Are you absolutely sure that those & characters are not getting URL
encoded (I assume this is a web app)?

Otis

--- "Kalthoff, Marcus" <Marcus.Kalthoff@solutionline.com> wrote:
> Hi,
> 
> I can understand that you need additional + before the search-words
> to get a "real" AND, but what confuses me is that 
> 
> 10060 && 10040
> 
> (which should be the same as AND) does a real boolean AND like
> 
> +10060 AND +10040   
> 
> In the query syntax docu, you read "The symbol && can be used in
> place of the word AND.". But it is totally different. How do I
> explain that to my users?
> 
> 
> Marcus
> 
> 
> From: Daniel Calvo <dcalvo@ig.com.br>
> Subject: Boolean AND query
> Date: Thu, 21 Feb 2002 14:12:16 -0300
> Content-Type: text/plain;
> 	charset="iso-8859-1"
> 
> Hi,
> 
> To achieve what you want, you need to use the required operand (+)
> 
> --Daniel 
> 
> > -----Original Message-----
> > From: Aruna Raghavan [mailto:ArunaR@opin.com]
> > Sent: quinta-feira, 21 de fevereiro de 2002 13:44
> > To: 'Lucene Users List'
> > Subject: Boolean AND query
> > 
> > 
> > Hello,
> > Has anyone run into problems with boolean AND query? Basically, I
> am using
> > the following code to do the query to look for 
> > 10060 AND 10040
> > 
> > BooleanQuery bq = new BooleanQuery();
> > Analyzer analyzer = new StandardAnalyzer();
> > Query query = QueryParser.parse(m_strKeyword, "pageText",
> analyzer);
> >  bq.add(query, true, false);
> > 
> > In this case, I am just using one query to add to bq but there can
> be more. 
> > 
> > I am getting correct results when 10060 AND 10040 exists in the
> document.
> > But when one of them does not exist, I am still getting the same
> results. In
> > other words, AND seems to be acting like an OR. I noticed this in
> the latest
> > RC4 as well as an older lucene build from before lucene joined
> jakarta.
> 
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