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Date: Tue, 11 Sep 2007 09:54:26 -0700
From: M.K <kohan.massoud@gmail.com>
To: java-user@lucene.apache.org
Subject: Re: Implement a filter to the search results
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Thanks Erick.
MK
On 9/11/07, Erick Erickson <erickerickson@gmail.com> wrote:
>
> Well, it depends upon how you indexed things <G>....
>
> Your previous post was along the right lines as
> far as I can see though...
>
> Erick
>
> Assuming that you have
>
> On 9/11/07, M. K <kohan.massoud@gmail.com> wrote:
> >
> > Lucene 1.4.3
> >
> > ignor the filter words.
> > My question was:
> > I have a search form which has an input area for key search and also
> three
> > optional select boxs *Catagory, Department and Year. *
> > How can I implement that?  Is it correct the way I wrote in my last
> email.
> > Thanks,
> > MK
> >
> >
> >
> > On 9/11/07, Erick Erickson <erickerickson@gmail.com> wrote:
> > >
> > > What version of Lucene are you using? I don't think the form
> > > b.add(query, false, false) is current.
> > >
> > > Be that as it may, I'm not quite sure what you mean by
> > > filter. If I'm reading your intent correctly, wouldn't requiring
> > > each non-empty field accomplish what you want? Which would
> > > be something like
> > > b.add(query, BooleanClause.MUST);
> > >
> > > Best
> > > Erick
> > >
> > > On 9/11/07, M. K <kohan.massoud@gmail.com> wrote:
> > > >
> > > > I am not sure, I understant perfectly.
> > > > Is this the way you said:
> > > >
> > > >
> > > > document.add(Field.*UnStored*("text", docText));
> > > > document.add(Field.*Text*("category", category));
> > > > document.add(Field.*Text*("department",department));
> > > > document.add(Field.*Text*("year", year));
> > > >
> > > > *search:*
> > > >
> > > >
> > > > String[] fields = { "text", "category","department","year" };
> > > >
> > > > BooleanQuery bQuery = *new* BooleanQuery();
> > > >
> > > > *for* (*int* i = 0; i < fields.length; i++) {
> > > >
> > > > QueryParser parser = *new* QueryParser(fields[i],  analyzer);
> > > >
> > > > Query q = parser.parse(query);
> > > >
> > > > bQuery.add(q, *false*, *false*); // combine the queries, neither
> > > requiring
> > > > or prohibiting matches
> > > >
> > > > }
> > > >   Hits hits = searcher.search(bQuery);
> > > >
> > > >
> > > > MK
> > > >
> > > >
> > > >
> > > > On 9/10/07, testn <test1@doramail.com> wrote:
> > > > >
> > > > >
> > > > > It's probably easier to add category, department, year as a part
> of
> > > > query
> > > > > and
> > > > > then requery to get the hits you need.
> > > > >
> > > > > M.K wrote:
> > > > > >
> > > > > > Hi All,
> > > > > >
> > > > > > I have a search form which has an input area for key search and
> > also
> > > > > > three
> > > > > > optional select boxs  *Catagory, Department and Year. *
> > > > > >  My question is how can I filter the results if users select a
> > > > category
> > > > > or
> > > > > >  a department or a year or a combination of them.
> > > > > >
> > > > > > *index *:
> > > > > >
> > > > > > IndexWriter indexWriter =
> > > > > > *new* IndexWriter(API.*getRootPath*() + "\\data\\LUCENE" ,
> > > > > > *new*StandardAnalyzer(),true);
> > > > > >
> > > > > > Document document = *new* Document();
> > > > > >
> > > > > > document.add(Field.*Text*("text", docText));
> > > > > >
> > > > > > document.add(Field.*UnIndexed*("department", depart));
> > > > > >
> > > > > > document.add(Field.*UnIndexed*(
> > > > > > "category", courseId));
> > > > > >
> > > > > > document.add(Field.*UnIndexed*(
> > > > > > "year", year));
> > > > > >
> > > > > > indexWriter.addDocument(document);
> > > > > >
> > > > > > indexWriter.close();
> > > > > >
> > > > > >
> > > > > >
> > > > > > *search: *
> > > > > >
> > > > > > *Searcher searcher = new IndexSearcher(API.getRootPath() +
> > > > > > "/data/LUCENE/");
> > > > > > Analyzer analyzer = new StandardAnalyzer();*
> > > > > >
> > > > > > * Query query = QueryParser.parse(request.getParameter("query"),
> > > > "text",
> > > > > > analyzer);
> > > > > >  Hits hits = searcher.search (query);*
> > > > > >
> > > > > > I do not konw how implement a filter to the results of the
> search
> > > for
> > > > > > catgory or year or department.
> > > > > >
> > > > > > Thanks,
> > > > > >
> > > > > > Massoud
> > > > > >
> > > > > >
> > > > >
> > > > > --
> > > > > View this message in context:
> > > > >
> > > >
> > >
> >
> http://www.nabble.com/Implement-a-filter-to-the-search-results-tf4418068.html#a12606295
> > > > > Sent from the Lucene - Java Users mailing list archive at
> Nabble.com
> > .
> > > > >
> > > > >
> > > > >
> > ---------------------------------------------------------------------
> > > > > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > > > > For additional commands, e-mail: java-user-help@lucene.apache.org
> > > > >
> > > > >
> > > >
> > >
> >
>

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