Hi Peter, That sounds like a nice idea for sure :)
-----Original Message----- From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On Behalf Of Peter Neubauer Sent: Monday, 5 December 2011 5:31 PM To: Neo4j user discussions Subject: Re: [Neo4j] Aggregates inside copySplit() Wohow, cool work Romiko! I would love a screencast on this from the .NET side! Cheers, /peter neubauer GTalk: neubauer.peter Skype peter.neubauer Phone +46 704 106975 LinkedIn http://www.linkedin.com/in/neubauer Twitter http://twitter.com/peterneubauer brew install neo4j && neo4j start heroku addons:add neo4j On Mon, Dec 5, 2011 at 6:34 AM, Romiko Derbynew <romiko.derby...@readify.net> wrote: > Hi Marko, > > Working nicely now :) > > Here is how it looks on our client. I am not sure if I can call _() an > identityPipe, any inspiration here? I had to use Aggregate here, instead of > Store(), else the Except does not work. > > var results = graphClient > .RootNode > .CopySplit( > new IdentityPipe() > .Out<Agency>(Hosts.TypeKey, a => a.Key == > userIdentifier.AgencyKey) > .In<User>(UserBelongsTo.TypeKey) > .Out<Centre>(UserLinkedToCentre.TypeKey) > .In<User>(UserLinkedToCentre.TypeKey) > .In<Referral>(CreatedBy.TypeKey, r => > r.Completed == false) > .AggregateV<Referral>("ReferralWithCentres"), > new IdentityPipe() > .Out<Agency>(Hosts.TypeKey, a => a.Key == > userIdentifier.AgencyKey) > ) > .FairMerge() > .In<Referral>(ReferralBelongsTo.TypeKey, r => > r.Completed == false) > .As("ReferralId") > .ExceptV<Referral>("ReferralWithCentres") > .GremlinDistinct() > .Out<User>(CreatedBy.TypeKey) > .As("UserGivenName") > .As("UserFamilyName") > .Table<ReferralByGroup, Referral, User, User>( > referral => referral.UniqueId, > user => user.FamilyName, > user => user.GivenName > ); > > Which generates this optimised query. > ReferralWithCentres = > [];g.v(p0)._.copySplit(_().outE[[label:p1]].inV.filter{ > it[p2].equalsIgnoreCase(p3) > }.inE[[label:p4]].outV.outE[[label:p5]].inV.inE[[label:p6]].outV.inE[[ > label:p7]].outV.filter{ it[p8] == p9 }.aggregate(ReferralWithCentres), > _().outE[[label:p10]].inV.filter{ it[p11].equalsIgnoreCase(p12) > }).fairMerge.inE[[label:p13]].outV.filter{ it[p14] == p15 > }.as(p16).except(ReferralWithCentres).uniqueObject().outE[[label:p17]] > .inV.as(p18).as(p19).table(new Table()){it[p20]}{it[p21]}{it[p22]}.cap > > Thanks again for all the help :) > > -----Original Message----- > From: user-boun...@lists.neo4j.org > [mailto:user-boun...@lists.neo4j.org] On Behalf Of Marko A. Rodriguez > Sent: Sunday, 4 December 2011 4:09 PM > To: Neo4j user discussions > Subject: Re: [Neo4j] Aggregates inside copySplit() > > Hey, > > That will probably give you unwanted behavior as aggregate is a greedy step. > If you just want to lazily store and not aggregate then: > > Gremlin 1.3: sideEffect{x.add(it)} > Gremlin 1.4: store(x) > > HTH, > Marko. > > http://markorodriguez.com > > On Dec 3, 2011, at 8:50 PM, Romiko Derbynew <romiko.derby...@readify.net> > wrote: > >> Sorry, forgot to complete question. So I use a >> x=[];g.v(0).out.copySplit(_().out.aggregate(x), >> _().out).fairMerge().out.retain(x). I guess this is not possible, where a >> retain clause is used after a fairMerge()? >> >> -----Original Message----- >> From: user-boun...@lists.neo4j.org >> [mailto:user-boun...@lists.neo4j.org] On Behalf Of Romiko Derbynew >> Sent: Sunday, 4 December 2011 2:38 PM >> To: Neo4j user discussions (user@lists.neo4j.org) >> Subject: [Neo4j] Aggregates inside copySplit() >> >> Hi, >> >> Is it possible to use aggregates within a copySplit pipe? >> _______________________________________________ >> 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 _______________________________________________ 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
