neo4j

问题 Is there any way I can connect to a remote Neo4j server from an Android Project at all ? I have used several approaches: JDBC driver and through REST API using Jersey Client however none of these approaches are successful. All of these work in a pure Java project but fail miserably in Android. At this stage I lost hope that there exists a way I can talk to the database through android. Is that feasible or am I wasting my time trying to find impossible solution ? 回答1: If Neo4j exposes an HTTP

问题 I just can't get an object out of Neo4j through Neo4jClient and Cypher. var client = new GraphClient(new Uri("http://mymachine:7474/db/data")); client.Connect(); var myList = client.RootNode.StartCypher("root") .Match("root-[:RELATED_TO]->(user)") .Return<User>("user").Results; I get a User object in myList[0] alright but its properties are empty. I get the same (object with empty properties) through client.ExecuteGetCypherResults<User>( new CypherQuery("start n=node(1) return n;",null,

问题 I'm trying to write a program that takes data and enters it into a Neo4j database. The program appears to be working well - I say that as it runs without issue and the System.out.println(node.getProperty("Name")); line returns the value of each node that I create. Yet when I go to the web console I do not see ANY of these nodes in the database. I'm positive I am writing it to the correct directory. Doing a ls -l shows the db getting modified each time I run the program: new-host-4:new_graph

问题 Is there a way to retrieve the API token from the REST API? I want to use the py2neo set_auth_token method. A blog post stated that the server command would return the api token but it does not. :server connect It only lists my user. I installed a completely new Neo4j 2.2 and did not change any configuration. Unforntunately the docs are not very detailed in regards to the api token feature or i did not find the correct page. All i found was: http://neo4j.com/docs/snapshot/rest-api-security

问题 Is there a way to retrieve the API token from the REST API? I want to use the py2neo set_auth_token method. A blog post stated that the server command would return the api token but it does not. :server connect It only lists my user. I installed a completely new Neo4j 2.2 and did not change any configuration. Unforntunately the docs are not very detailed in regards to the api token feature or i did not find the correct page. All i found was: http://neo4j.com/docs/snapshot/rest-api-security

问题 After aborting an import-process I wound up with a corrupt database. Reading nodes with a certain label almost always throws an error: "Unable to load one or more relationships from Node[160147]. This usually happens when relationships are deleted by someone else just as we are about to load them." The said node is a superconnected one with lots of relations. I cannot delete it nor it's relationships (using cypher) as it throws the same error. This happened in version 2.1.0, however öI have

问题 After aborting an import-process I wound up with a corrupt database. Reading nodes with a certain label almost always throws an error: "Unable to load one or more relationships from Node[160147]. This usually happens when relationships are deleted by someone else just as we are about to load them." The said node is a superconnected one with lots of relations. I cannot delete it nor it's relationships (using cypher) as it throws the same error. This happened in version 2.1.0, however öI have

问题 After aborting an import-process I wound up with a corrupt database. Reading nodes with a certain label almost always throws an error: "Unable to load one or more relationships from Node[160147]. This usually happens when relationships are deleted by someone else just as we are about to load them." The said node is a superconnected one with lots of relations. I cannot delete it nor it's relationships (using cypher) as it throws the same error. This happened in version 2.1.0, however öI have

问题 I have tried following query in cypher. START other=node(*) WHERE other.FirstName =~ "(?i)dh.*" AND other.UserID <> 1 WITH other, me=node:node_auto_index(UserID = '1') MATCH me-[myR:friends]-(x) RETURN other.UserID, other.UserName, other.FirstName, other.LastName, other.ImagePath // myR.ApprovalStatus, COUNT(distinct pMutualFriends) AS mutualFriends //ORDER BY mutualFriends DESC LIMIT 100; but it is giving me error. These columns can't be listen in the WITH statement without renaming: me=node

问题 I have items graph db. each item is connected to multiple properties , which can be shared by multiple items . I add a search node which is defined by few properties . So I have (search_node) connected to multiple (properties_nodes) connected to multiple (items_nodes) Now I would like to get a list of items who answer this search by {x} properties or more. Ordered by number of matching properties. start se=node:node_auto_index(name = {name}), pr = node:node_auto_index(type="item_property")