Thanks Matt. Yeah. I think the transaction API is in making. Would be great addition.
The server-side plugin will definitely work, but I personally prefer to use one way of doing things. At least until I will start speaking neo4j natively :) Cheers, Dmytrii http://www.ApproachE.com On 04/12/2011, at 6:35 PM, mhluongo [via Neo4j Community Discussions] wrote: > I've run into this problem, and resorted to using the Gremlin/Groovy over > REST (via the server-included plugin). > > There really isn't a way to transactionally express a conditional (or > get-or-create) like that over the vanilla REST API, though I'm sure it's in > the works. > > -- > Matt Luongo > Co-Founder, Scholr.ly > > > > On Thu, Dec 1, 2011 at 5:45 PM, dnagir <[hidden email]> wrote: > > > Hi, > > > > I wonder what's the best way to do something similar to unique constraints > > in RDBMS. > > > > For example, user registration requires that the user's email to be unique. > > > > Working over in Ruby over REST API, how do you achieve this? > > > > I assume I need an auto-index on email property of User nodes. Then query > > it > > to check the property. > > > > But how can I make it transactional? So that I am sure that between > > querying > > and inserting the node, no similar has been inserted. > > > > The transactional part better applies to reservation instead of user > > creation. But you get the point. > > > > Cheers. > > > > -- > > View this message in context: > > http://neo4j-community-discussions.438527.n3.nabble.com/Unique-constraint-and-transaction-over-REST-tp3553148p3553148.html > > Sent from the Neo4j Community Discussions mailing list archive at > > Nabble.com. > > _______________________________________________ > > Neo4j mailing list > > [hidden email] > > https://lists.neo4j.org/mailman/listinfo/user > > > _______________________________________________ > Neo4j mailing list > [hidden email] > 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/Unique-constraint-and-transaction-over-REST-tp3553148p3558628.html > To unsubscribe from Unique constraint and transaction over REST, click here. > NAML -- View this message in context: http://neo4j-community-discussions.438527.n3.nabble.com/Unique-constraint-and-transaction-over-REST-tp3553148p3558630.html Sent from the Neo4j Community Discussions mailing list archive at Nabble.com. _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
