Ok it's out there on 0.0.11 Thing is when you add a node to an index (before creating the index), Neo4j creates the index on its own.
@neo.create_node_index(name, type, provider) # creates an index, defaults are "exact" and "lucene" @neo.create_relationship_index(name, "fulltext") # creates a relationship index with "fulltext" option On Wed, Feb 23, 2011 at 9:57 AM, Max De Marzi Jr. <[email protected]> wrote: >>>Since I want to later search for nodes by their mysql_id, do I need to >>>create an index and add the > mysql_id to that index? It appears as if that is the only way to > efficiently find nodes by a key > other than their neo generated ID. Before I went down the path of > creating indexes, I wanted to > make sure that is the correct approach. > > This is one way... the other way is to store the neo_id in the relational db. > >>>It also appears as if the neography gem does not support index creation. > > I'll do it today. > > > > > > On Wed, Feb 23, 2011 at 9:50 AM, charlie <[email protected]> wrote: >> Very nice, thanks. >> >> A follow-on question: >> Since I want to later search for nodes by their mysql_id, do I need to >> create an index and add the >> mysql_id to that index? It appears as if that is the only way to >> efficiently find nodes by a key >> other than their neo generated ID. Before I went down the path of creating >> indexes, I wanted to >> make sure that is the correct approach. >> >> It also appears as if the neography gem does not support index creation. I >> can easily curl the >> index creation so it is not a significant issue. I just wanted to make sure >> that I am not missing >> something in my understanding of neography. >> >> thanks again. >> >> Charlie White >> Avvo, Inc. >> 1218 Third Avenue, Suite 300neo.get_node_relationships( >> Seattle, WA 98101 >> >> On Tuesday 22 February 2011 7:48:35 pm Max De Marzi Jr. wrote: >>> Here you go... >>> >>> Full code with setup: >>> >>> https://github.com/maxdemarzi/neography/blob/master/examples/traversal_exam >>>ple2.rb >>> >>> Interesting bit: >>> >>> def graduated_with_me(student) >>> student = student["self"].split('/').last >>> student_attended = @neo.get_node_relationships(student)[0] >>> graduated = student_attended["data"]["graduated"] >>> school = student_attended["end"].split('/').last >>> >>> @neo.traverse(school,"nodes", {"order" => "breadth first", >>> "uniqueness" => "node global", >>> "relationships" => {"type"=> >>> "attended", "direction" => "in"}, >>> "return filter" => { >>> "language" => "javascript", >>> "body" => "position.length() == >>> 1 && >>> position.endNode().getId() != #{student} >>> && >>> position.lastRelationship().getProperty(\"graduated\") == >>> #{graduated};"}}) >>> end >>> >>> >>> Visualize it (sort of... I need to add relationship properties): >>> http://neovigator.heroku.com/?neoid=201 >>> >>> Neo4j guys, how do we use the new Evaluator via Rest? >>> >>> Thanks, >>> Max >>> >>> On Tue, Feb 22, 2011 at 6:50 PM, charlie <[email protected]> wrote: >>> > Hi, >>> > I am new to neo4j and I am having some difficulty figuring out how to >>> > query it to get me what I need. We are using Ruby and not JRuby so I am >>> > trying to do all my queries via the REST API. >>> > >>> > Currently I have a set of "people" nodes and a set of "school" nodes. >>> > Each node has an id field and a name. The ID field is not to be >>> > confused with the ID field assigned by neo, but rather a key into a >>> > relational database elsewhere. >>> > I have created a people and school index so I can find the nodes by ids >>> > curl -H Accept:application/json >>> > http://localhost:7474/db/data/index/node/person/person_id/28995 >>> > >>> > I have also created relationships between each person and school called >>> > "attended". I set a graduation date and degree name as attributes of >>> > each attended relationship. >>> > >>> > The query that I want to find all people that attended the same school as >>> > I did and graduated at the same time. >>> > person => school => person1, person2, ... personN. >>> > >>> > >>> > More advanced: >>> > Later I might want to add to that people with the same degree as well as >>> > graduation date. And, after that, I would probably want to find >>> > "friends" of those same people. Of course that implies that I added a >>> > relationship of "firend" between people. >>> > >>> > Any help that you can provide me on this would be helpful. I think that >>> > once I get started with a couple of examples, I will be able to take off. >>> > >>> > thanks, >>> > >>> > Charlie White >>> > Avvo, Inc. >>> > 1218 Third Avenue, Suite 300 >>> > Seattle, WA 98101 >>> > _______________________________________________ >>> > 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
