I wrote a small app that entirely uses Lucene and MUST_NOT works fine. On the other hand I have no problem using the NOT statement you suggested.
However, I think neo4j should not throw a NPE there. A more comprehensive exception would be nice -------- Original-Nachricht -------- > Datum: Fri, 7 Oct 2011 22:30:00 +0200 > Von: Michael Hunger <[email protected]> > An: Neo4j user discussions <[email protected]> > Betreff: Re: [Neo4j] MUST_NOT in Index.query leads to NPE > I haven't found any lucene docs that describe the use of MUST_NOT in > queries: > > what I found was: > http://semeru2007.wordpress.com/2007/10/17/lucene-an-introduction/ > > which would applied to your query mean: > > StreetAddress:"Kurfürstendamm 41" AND City:"Zwickau" AND State:"SN" AND > ZipCode:"08001" AND Country:"DE" AND > -UUID:"03df5826-5236-4075-86dd-1d121e127ade" > > > Am 07.10.2011 um 22:05 schrieb D. Frej: > > > the final query looks like > > > > StreetAddress:"Kurfürstendamm 41" AND City:"Zwickau" AND State:"SN" AND > ZipCode:"08001" AND Country:"DE" AND UUID:MUST_NOT > "03df5826-5236-4075-86dd-1d121e127ade" > > > > My nodes only have properties of type String > > > > > > > > -------- Original-Nachricht -------- > >> Datum: Fri, 7 Oct 2011 20:50:25 +0200 > >> Von: Michael Hunger <[email protected]> > >> An: Neo4j user discussions <[email protected]> > >> Betreff: Re: [Neo4j] MUST_NOT in Index.query leads to NPE > > > >> What value is your uuid in that case? is it probably null or empty? > >> > >> Can we see the final query string? > >> > >> Am 07.10.2011 um 20:25 schrieb [email protected]: > >> > >>> Hi everybody, > >>> > >>> I want to query the Index with the Method query(String). Therefore, I > >> build my query and execute the method: > >>> > >>> StringBuffer query = new StringBuffer(); > >>> ... > >>> query.append(" AND "); > >>> query.append("UUID:"); > >>> query.append("MUST_NOT "); > >>> query.append("\"" + uuid + "\""); > >>> > >>> IndexHits<Node> hits = nodeIndex.query(query.toString()); > >>> > >>> This leads to the following Exception: > >>> > >>> Exception in thread "main" java.lang.NullPointerException > >>> at > >> > org.apache.lucene.util.SimpleStringInterner.intern(SimpleStringInterner.java:54) > >>> at org.apache.lucene.util.StringHelper.intern(StringHelper.java:36) > >>> at org.apache.lucene.index.Term.<init>(Term.java:38) > >>> at > >> > org.apache.lucene.queryParser.QueryParser.getFieldQuery(QueryParser.java:643) > >>> at > >> > org.apache.lucene.queryParser.QueryParser.getFieldQuery(QueryParser.java:752) > >>> at > >> org.apache.lucene.queryParser.QueryParser.Term(QueryParser.java:1556) > >>> at > >> org.apache.lucene.queryParser.QueryParser.Clause(QueryParser.java:1309) > >>> at > >> org.apache.lucene.queryParser.QueryParser.Query(QueryParser.java:1266) > >>> at > >> > org.apache.lucene.queryParser.QueryParser.TopLevelQuery(QueryParser.java:1226) > >>> at > >> org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:206) > >>> at org.neo4j.index.impl.lucene.IndexType.query(IndexType.java:281) > >>> at > org.neo4j.index.impl.lucene.LuceneIndex.query(LuceneIndex.java:207) > >>> at > org.neo4j.index.impl.lucene.LuceneIndex.query(LuceneIndex.java:218) > >>> at testdata.ReadTestData.listInformation(ReadTestData.java:112) > >>> at testdata.ReadTestData.main(ReadTestData.java:153) > >>> > >>> The syntax of the build query is correct - at least it executes in > Luke > >> (https://code.google.com/p/luke/) without complaining. > >>> > >>> Am I doing something wrong or did I miss something? > >>> > >>> Cheers, > >>> > >>> Didi > >>> -- > >>> Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir > >>> belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de > >>> _______________________________________________ > >>> Neo4j mailing list > >>> [email protected] > >>> https://lists.neo4j.org/mailman/listinfo/user > >> > >> _______________________________________________ > >> Neo4j mailing list > >> [email protected] > >> https://lists.neo4j.org/mailman/listinfo/user > > > > -- > > NEU: FreePhone - 0ct/min Handyspartarif mit Geld-zurück-Garantie! > > Jetzt informieren: http://www.gmx.net/de/go/freephone > > _______________________________________________ > > Neo4j mailing list > > [email protected] > > https://lists.neo4j.org/mailman/listinfo/user > > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user -- NEU: FreePhone - 0ct/min Handyspartarif mit Geld-zurück-Garantie! Jetzt informieren: http://www.gmx.net/de/go/freephone _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
