Nevermind ... I wrote too soon ... It works!! Thank you Uwe Schindler! Alison Callahan
AlisonCallahan wrote: > > Originally "subject" was indexed with ANALYZED ... I changed it to > NOT_ANALYZED (there was no "keyword" option for indexing in Lucene 3.0.0), > and I am still having the same problem. > > Thanks, > > Alison Callahan > > > Uwe Schindler wrote: >> >> 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 >> >> >> > > -- View this message in context: http://old.nabble.com/PrefixQuery-returning-0-results-tp27625646p27626321.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
