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From "Kelvin Tan" <kel...@relevanz.com>
Subject Re: Search different terms for different fields (Complex Query)
Date Wed, 12 Dec 2001 00:57:25 GMT
I've posted a MultiFieldQueryParser to this list previously. Search the
archives.

I think you'll find it useful.

Kelvin

----- Original Message -----
From: Stephen Wong <swong@progress.com>
To: Lucene Users List <lucene-user@jakarta.apache.org>
Sent: Wednesday, December 12, 2001 3:02 AM
Subject: RE: Search different terms for different fields (Complex Query)


> It sounds like the "complex" query you are looking
> for is a BooleanQuery which links different queries
> together.
>
> Maybe:
> BooleanQuery bq = new BooleanQuery();
> bq.add(new TermQuery(new Term("content", "yourText")), true, false);
> bq.add(new TermQuery(new Term("library", "yourText")), true, false);
> ... and then pass this Query into the searcher you are using.
>
> I believe that BooleanQuery will return all documents that match
> both of the TermQuery(s) you pass in.
>
> Hope this helps, and goodluck,
> Stephen Wong
>
> > -----Original Message-----
> > From: Dzung Nguyen [mailto:nguyendq35@hotmail.com]
> > Sent: Tuesday, December 11, 2001 11:58 AM
> > To: lucene-user@jakarta.apache.org
> > Subject: Search different terms for different fields (Complex Query)
> >
> >
> >
> > Please help
> >
> > In my LuceneDocument, I have three fields (title, library, content) and
I
> > would like to search for 'myText' in the content field AND it should
also
> > match 'myLibrary' in Library field.
> >
> > "content:myText: AND "library:myLibrary"
> >
> > It should only return hit if 'myText' is in the content and
> > 'myLibrary' is
> > in the library field.
> >
> > I read the Lucene FAG and it mention about complex query but does
> > NOT give
> > any example.  Can someone please help me with some sample code.
> >
> > Thanks
> >
> > Here is what the FAG say:
> > "A more complex queries may contain nested queries with 'and',
> > 'or', 'not'
> > or 'phrase' relations. Queries may also contains specification of which
> > document fields to match against the various parts of the query (.e.g.
> > 'authors' and 'title') and hints that may effects the ranking of
> > the matched
> > documents ('boost' factor)."
> >
> >
> > _________________________________________________________________
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> >
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