Pieter, paged traversals are in 1.4 GA. 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 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 Sun, Jul 24, 2011 at 11:52 PM, Pieter Martin <[email protected]> wrote: > Hi, > > Is Jim's paging support in 1.4 or shall I checkout a snapshot to have a > look at it? > > Regarding the millions of relationships, it is for now more of a generic > question for a framework we are working on. Paging almost always becomes > a issue. Certainly we try avoid such relationships. > > Yes we can almost always think of a way to index the relationship, but I > do not quite understand how in-graph indexing will help? Will neo4j > traverser be able to hit such a index and page the result? > > Thanks > Pieter > > On 24/07/2011 15:20, Peter Neubauer wrote: >> Hi Pieter, >> Jim recently added support for paging in the Neo4j server for traversals, >> >> For Cypher, there is SKIP and LIMIT, together acting as a kind of >> paging system, but executing the query again (just giving you a >> different chunk of the result), so I am not sure that works for your >> case. http://docs.neo4j.org/chunked/snapshot/cypher-query-lang.html. >> Gremlin supports similar things. >> >> Also, given that you have millions of relationships on one node, could >> you think of some way of doing some in-graph or other indexing on >> these structures? Can you break up the relationships along one or two >> properties like time or a scalar range? Otherwise, that query seems to >> be quite expensive. Do you need all results? >> >> 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 >> >> 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 Sat, Jul 16, 2011 at 6:31 PM, Pieter Martin<[email protected]> >> wrote: >>> Hi, >>> >>> I am trying out tinkerpop / neo4j and wondering if there is any support >>> for paging. >>> >>> We frequently have the requirement to traverse a one to many >>> relationship with millions of nodes on the many side. Previously using >>> JPA we would execute a sql query using the LIMIT keyword to return a >>> paged result set. >>> >>> Can a similar result be achieved using neo4j. So far all I have been >>> able to find on paging is in the rest api. However I am running neo4j in >>> the embedded mode. >>> >>> Thanks >>> Pieter >>> _______________________________________________ >>> 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 > _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
