Pure negative queries do not work, you have to add a MUST clause that hits all documents, e.g. MatchAllDocsQuery:
query = new BooleanQuery(); query.add(new MatchAllDocsQuery(), Occur.MUST) query.add(new WildcardQuery(new Term( "f", "*test*" )), Occur.MUST_NOT ); Uwe ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Clemens Wyss [mailto:clemens...@mysign.ch] > Sent: Thursday, June 30, 2011 9:44 AM > To: java-user@lucene.apache.org > Subject: AW: negative wildcard query > > My testcase/context: > > query = new BooleanQuery(); > query.add( new WildcardQuery( new Term( "f", "*test*" ) ), > Occur.MUST_NOT ); filter = new QueryWrapperFilter( query ); result = > indexSearcher.search( new WildcardQuery( new Term( "description", > "*happy*" ) ), filter, 10 ); > > The filter never ever lets any documents through...when calling > > result = indexSearcher.search( new WildcardQuery( new Term( > "description", "*happy*" ) ), 10 ); > > I have hits... > > > -----Ursprüngliche Nachricht----- > > Von: Clemens Wyss [mailto:clemens...@mysign.ch] > > Gesendet: Donnerstag, 30. Juni 2011 05:37 > > An: java-user@lucene.apache.org > > Betreff: AW: negative wildcard query > > > > Karl, I just saw, that I had a typo in my initial post. It should be: > > > > Say I have a document with a single field "f". How can I search > > Documents which have not "test" in field "f" > > I tried: > > -f: *test* > > f: -*test* > > f: NOT *test* > > > > but no luck. Using WildCardQuery class... > > Any advices? > > > > Thx > > Clemens > > > > > -----Ursprüngliche Nachricht----- > > > Von: Karl Wettin [mailto:karl.wet...@gmail.com] > > > Gesendet: Mittwoch, 29. Juni 2011 22:36 > > > An: java-user@lucene.apache.org > > > Betreff: Re: negative wildcard query > > > > > > You'll also need things to exclude from, eg a MatchAllDocsQuery. > > > > > > karl > > > > > > 29 jun 2011 kl. 17.25 skrev Clemens Wyss: > > > > > > > Say I have a document with field "f1". How can I search Documents > > > > which > > > have not "test" in field "f" > > > > I tried: > > > > -f: *test* > > > > f: -*test* > > > > f: NOT *test* > > > > > > > > but no luck. Using WildCardQuery class... > > > > Any advices? > > > > > > > > Thx > > > > Clemens > > > > > > > > ------------------------------------------------------------------ > > > > -- > > > > - 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 > > > > > > --------------------------------------------------------------------- > > 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 --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
