How is "subject indexed"? I fit is indexed with ANALYZED not as keyword only, StandardAnalyzer will remove <, lowercase and so on.
----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: AlisonCallahan [mailto:alison.calla...@gmail.com] > Sent: Wednesday, February 17, 2010 4:39 PM > To: java-user@lucene.apache.org > Subject: PrefixQuery returning 0 results > > > I have indexed RDF in N-triple format (with three fields -- "subject", > "predicate", "object") and now am trying to query the index with a > PrefixQuery on the "subject" field. My test case is to get back all > documents whose subject field starts with the prefix "<http", and I > would > expect to get back all documents. Instead, the PrefixQuery returns 0 > documents. I have read and can't see why the PrefixQuery is returning 0 > results. > > Here is the relevant code: > > IndexReader n3reader = IndexReader.open(FSDirectory.open(new > File(index)), > true); > Searcher searcher = new IndexSearcher(n3reader); > Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_CURRENT); > > String test = "<http"; > > Query nsQuery = new PrefixQuery(new Term("subject", test)); > > TopDocs hits = searcher.search(nsQuery, 10); > > System.out.println("Hits: "+hits.totalHits); > > This code prints out '0' hits ... Any suggestions for why this isn't > working?? Thanks, > > Alison Callahan > -- > View this message in context: http://old.nabble.com/PrefixQuery- > returning-0-results-tp27625646p27625646.html > Sent from the Lucene - Java Users mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > 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
