Unfortunately, I wasn't able to find the information on Max's blog :(
On Tuesday, June 10, 2014 4:36:01 PM UTC-6, [email protected] wrote: > > Cheers, Michael! > > -Josh > > On Tuesday, June 10, 2014 4:00:26 PM UTC-6, Michael Hunger wrote: >> >> Perhaps check out Max de Marzi's graph search app that had exactly this >> function see his blog maxdemarzi.com >> >> Sent from mobile device >> >> Am 11.06.2014 um 00:37 schrieb [email protected]: >> >> I'm developing an social app that requires the user's Facebook friends >> list. >> >> I'm trying to figure out the best method of importing/comparing and >> updating the list to my Neo4j DB. >> >> For each friend on the user's list, I want to first see if the friend is >> in the database... if they are, then I want to create the [:KNOWS] >> relationship... if NOT, I want to ignore and move on. >> >> Options I'm considering: >> >> 1. Run each query separately, matching the user node and the friend's >> node. If the node exists (if the match is found), then create the >> relationship. *This seems very inefficient because I'd be redundantly >> matching the user's node in each independent query.* >> >> (foreach loop) >> MATCH (u:User { id:{uID} }), (f:User { id:{fID}}) >> CREATE (u)-[:KNOWS]->(f) >> (end loop) >> >> 2. Run as a single query. Match the user's node... then Optional Match >> the user's friends. If the match exists, create the relationship. >> >> MATCH (u:User { id:{uID}}) >> (start loop) >> OPTIONAL MATCH (f:User { id:{fID}) >> (if match) >> CREATE (u)-[:KNOWS]->(f) >> (end loop) >> >> Is option 2 possible? Am I thinking about this all wrong? >> >> Thanks for any help! >> >> Cheers >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Neo4j" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> >> -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
