you might be right. I only used it the other way around (rel2 IS NOT NULL) to guarante that the relationship is there. So I thought ... ;) However, currently I am quite busy and cannot check easily.
That brings me to a feature request for neoclipse: The possibility to type and execute a cypher query. This would make answering this question easy. Am 29.11.2011 13:04, schrieb Michael Hunger: > Shouldn't rel2 then be an optional relationship? Otherwise IMHO it can never > be null. > > >> START c=... >> MATCH c-[rel1:MyRel]->a, c-[rel2?:MyRel]->b >> WHERE rel2 is null >> RETURN c > Am 29.11.2011 um 13:00 schrieb D. Frej: > >> I would recommend the following >> >> START c=... >> MATCH c-[rel1:MyRel]->a, c-[rel2:MyRel]->b >> WHERE rel2 is null >> RETURN c >> >> even though it seems it little strange >> >> >> >> Am 29.11.2011 03:03, schrieb KanTube: >>> while not ideal you could do >>> >>> START >>> a=node:node_auto_index(NodeType="A"),b=node:node_auto_index(NodeType="B") >>> MATCH a-[:MyRel]->c<-[r?:MyRel]-b >>> RETURN c, count(r) >>> >>> and in your code you could filter for count(r) = 0 >>> >>> >>> >>> -- >>> View this message in context: >>> http://neo4j-community-discussions.438527.n3.nabble.com/cypher-question-subqueries-possible-tp3543685p3544033.html >>> Sent from the Neo4j Community Discussions mailing list archive at >>> Nabble.com. >>> _______________________________________________ >>> Neo4j mailing list >>> User@lists.neo4j.org >>> https://lists.neo4j.org/mailman/listinfo/user >>> >> _______________________________________________ >> Neo4j mailing list >> User@lists.neo4j.org >> https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
