2011/10/28 Andres Taylor <andres.tay...@neotechnology.com> > Hi all! > > I'm looking to make Cypher more consistent, and so less surprising. Cypher > today has two places where predicates are used, the WHERE clause, and for > the ALL/ANY/NONE/SINGLE functions. > > It looks like: > > WHERE <predicate> > ALL(<identifier> in <iterable> : <predicate>) > etc > > Any progress on this? My first feel is that it's too program-language:y but don't really know how to make it great.
> Now I'm thinking about adding preciates to the MATCH clause, e.g: MATCH > a-[r? : <predicate>]->b > This is only interesting for optional relationships - if the predicate is > false, r will be null. If this predicate was in the WHERE clause, it would > filter out the whole subgraph instead, which is very different. > > Looking at this example, the colon bothers me. It's too close to the > relationship type. So, I'm thinking of changing it to: > WHERE <predicate> > ALL(<identifier> in <iterable> WHERE <predicate>) > MATCH a-[r? WHERE <predicate>]->b > > What do you think? > > Andrés > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > -- Mattias Persson, [matt...@neotechnology.com] Hacker, Neo Technology www.neotechnology.com _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
