It's the relationship itself (or to be exact it is the end node of all relationships to a specific node that I would like to change). The relationship is one to many. Actually it is a parent child relationship (one parent have multiple children) and I would like to reassign the parent for all children of a specific parent.
//Carl On Thu, Aug 11, 2011 at 8:53 PM, Rick Bullotta <[email protected]>wrote: > A couple questions: > > - What are you changing? The properties of the relationship(s) or the > relationships themselves? > - Are you relationships many-to-many, one-to-many, or one-to-one? > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of cnordenfelt > Sent: Thursday, August 11, 2011 1:55 PM > To: [email protected] > Subject: Re: [Neo4j] Change multiple relations in one operation > > Thanks > For now I'm just prototyping and the case might be that there are several > millions of relationshids that has to be changed in one transaction. > However, it is a very uncommon operation and it might also be that the > graph > design should be changed to limit the number of relationships? > > //Carl > > On Thu, Aug 11, 2011 at 6:04 PM, Peter Neubauer [via Neo4j Community > Discussions] <[email protected]> wrote: > > > Carl, > > this is what you can do. Relationships are immutable, that is, once > > created you have to delete them and create new ones in order to change > > endpoints. Not much choice there. What is the size of your > > reassignments and the number of relationships in one transaction? > > > > 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 > > > > <a href="http://www.neo4j.org ">http://www.neo4j.org - > Your > > high performance graph database. > > http://startupbootcamp.org/ - Öresund - Innovation happens HERE. > > http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. > > > > > > > > On Thu, Aug 11, 2011 at 4:47 PM, cnordenfelt <[hidden email]< > http://user/SendEmail.jtp?type=node&node=3246384&i=0>> > > wrote: > > > > > Hi > > > I have started to digg into neo4j and have not found a nice way to > change > > > > > many relationships from one node to another. For example, I have n1 > with > > a > > > relationship to m1, m2 and m3. Now I would like to change the > > relationship > > > to point from n2 to m1, m2 and m3 instead. I could of course fetch all > > > relationships from n1 and change each relationship individually to n2 > but > > > > > this will make me iterate over all relationships, which could be quite > > many. > > > Is there any way to replace a node with another or to "reassign" > multiple > > > > > relationships with one operation? > > > > > > I'm currently using the Java API. > > > > > > Thanks > > > Carl > > > > > > -- > > > View this message in context: > > > http://neo4j-community-discussions.438527.n3.nabble.com/Change-multiple-relations-in-one-operation-tp3246141p3246141.html > > > Sent from the Neo4j Community Discussions mailing list archive at > > Nabble.com. > > > _______________________________________________ > > > Neo4j mailing list > > > [hidden email] <http://user/SendEmail.jtp?type=node&node=3246384&i=1> > > > https://lists.neo4j.org/mailman/listinfo/user > > > > > _______________________________________________ > > Neo4j mailing list > > [hidden email] <http://user/SendEmail.jtp?type=node&node=3246384&i=2> > > https://lists.neo4j.org/mailman/listinfo/user > > > > > > ------------------------------ > > If you reply to this email, your message will be added to the discussion > > below: > > > > > http://neo4j-community-discussions.438527.n3.nabble.com/Change-multiple-relations-in-one-operation-tp3246141p3246384.html > > To unsubscribe from Change multiple relations in one operation, click > > here< > http://neo4j-community-discussions.438527.n3.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=3246141&code=Y2FybC5ub3JkZW5mZWx0QGdtYWlsLmNvbXwzMjQ2MTQxfDQwNDcxMjI= > >. > > > > > > > -- > View this message in context: > http://neo4j-community-discussions.438527.n3.nabble.com/Change-multiple-relations-in-one-operation-tp3246141p3246722.html > Sent from the Neo4j Community Discussions mailing list archive at > Nabble.com. > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
