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int numDocs
TermDocs termDocs = reader.termDocs(new Term("myField", "myTerm"));
while (termDocs.next()) { numDocs++; }simon On Tue, Sep 15, 2009 at 2:19 PM, Mathias Bank <mathias.b...@gmail.com> wrote: > Hello, > > I'm trying to find the number of documents for a specific term to > create text statistics. I'm not interested in ordering the results or > even recieving the first result. I just need the number of results. > > Currently, I'm trying to do this by using the lucene searcher class: > > IndexSearcher searcher = new IndexSearcher(reader); > String queryString = fieldname+":" + term; > QueryParser parser = new QueryParser(fieldname, new GermanAnalyzer()); > TopDocs d = searcher.search(parser.parse(queryString), filter, 1); > int count = d.totalHits; > > The problem is, that there is a large index (optimized) with > 8 mio. > entries. One search could return a large number of search results (> 1 > mio). Currently these search tasks take more than 15 secunds. > > The question is: is there any way to get the number of search results > faster? I think, that it could be optimized by not using a Weight > object (order is not interesting), but I haven't seen a way to do > this. > > I hope, someone has already solved this problem. > > Mathias > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
