[Neo4j] Subgraph isomorphism between stored graphs

2017-11-27 Thread Ivan Ševčík
I was wondering if Neo4j supports subgraph isomorphism (finding pattern in a target), if both graphs come from the database. I'm quite new to Neo4j but to me it seems that the pattern is only described by Cypher language. However, what if I have some interesting and decently sized graph, and I

Re: [Neo4j] Extreme memory rise on neo4j-server when saving entities using OGM

2015-11-19 Thread Ivan Senic
uot;:[{"statement":"MATCH (n:ClassType) WHERE n.fqn = { fqn } RETURN n LIMIT 1","parameters":{"fqn":"javax.swing.JLabel"},"resultDataContents":["graph"],"includeStats":false}]} * Thanks in advance, Ivan On Wednes

Re: [Neo4j] Extreme memory rise on neo4j-server when saving entities using OGM

2015-11-18 Thread Ivan Senic
estimate, so let's say 10-15.. Any idea? On Wednesday, November 18, 2015 at 4:22:47 AM UTC+1, Luanne wrote: > > Hi Ivan, > > When you create relationships, are the nodes on either end already > persisted? Or are you creating both new nodes and relationships to those in

Re: [Neo4j] Extreme memory rise on neo4j-server when saving entities using OGM

2015-11-18 Thread Ivan Senic
it has some fixes in this regard. > > Michael > > Am 17.11.2015 um 17:12 schrieb Ivan Senic >: > > Hi, > > I am quite new to neoj4 and I started using it with the neo4j-ogm to map > my java objects into the graph and back. I am experiencing quite a strange > behav

[Neo4j] Extreme memory rise on neo4j-server when saving entities using OGM

2015-11-17 Thread Ivan Senic
Hi, I am quite new to neoj4 and I started using it with the neo4j-ogm to map my java objects into the graph and back. I am experiencing quite a strange behavior when I start saving entities via OGM into the graph. It seams that the memory usage rises fast on the neo4j-server (I also experienced

[Neo4j] spring data query inconsistency

2014-10-10 Thread Ivan Les
s as entity fields, to be exact go through *conversionService*. Alternative would be to enable to inject custom *objectMapper* with registered serializers and deserializers and not to create default one. Any thoughts on this matter? Best regards, Ivan Leš -- You received this message b

Re: [Neo4j] Question on transactions

2014-01-27 Thread ivan
llowed = **coalesce(**b.followed,0)+1* > *RETURN r* > > > > On Mon, Jan 27, 2014 at 11:53 AM, ivan limonov > > wrote: > >> Hello >> I run the following command in neo4j using Cypher: >> *MATCH (a:User), (b:User)* >> *WHERE a.id <http://a.id

[Neo4j] Question on transactions

2014-01-27 Thread ivan limonov
Hello I run the following command in neo4j using Cypher: *MATCH (a:User), (b:User)* *WHERE a.id = 1 AND b.id = 2* *merge (a)-[r:FOLLOW]->(b) ON CREATE SET a.follow = a.follow+1, b.followed = b.followed+1* *RETURN r* Is it possible that the counter follow or followed is not updated? I mean partial