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Questions tagged [neo4j-java-api]

60 questions
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Parameterized Cypher query and Neo4J JDBC prepared statements

I have a parameterized cypher query which looks similar to this - FOREACH (rel IN {relations} | match (src:Biz_Table{db_name:rel.sdb_name, table_name:rel.stname}),(dest:Biz_Table{db_name:rel.ddb_name, table_name:rel.dtname}) create (src) -…
Manohar CS
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Neo4j Cypher find all paths exploring sorted relationships

I'm struggling for days to find a way for finding all paths (to a maximum length) between two nodes while controlling the path exploration by Neo4j by sorting the relationships that are going to be explored (by one of their properties). So to be…
Gongotar
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Neo4j bolt driver ClientException

I have loaded about 20000 odd nodes from the consumer complaints csv file available in the neo4j load csv example. I am using Neo4j bolt driver in my java class to query . Driver driver = GraphDatabase.driver( "bolt://localhost/trialschema",…
Manu Bhat
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Neo4j - org.neo4j.io.pagecache.impl.SingleFilePageSwapperFactory

I am facing this weird error while creating GraphDB object in java. My neo4j Version : 2.2.5 My code: public static void main(String[] args) throws FileNotFoundException, IOException, ParseException { GraphDatabaseService graphdb = new…
Jack Daniel
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Neo4j Standalone Server: Enforcing Unique Constraint using Java API at Server start up

I am using Neo4j Server 2.3.2 version and using Unmanaged plug-ins to parse and load unstructured data into graph. While doing it I landed into a situation of duplicate nodes and slow throughput(even with batch processing) for sequential processing.…
eShark
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resultset is not matching when executing cypher in neo4j-jdbc

I want to execute cypher statment using neo4j-jdbc jar remotely. When I execute the below cypher, I am getting resultset with 25 rows in neo4j web console. MATCH (n:USER) RETURN n LIMIT 25 When I execute the same program using the neo4j-jdbc…
user51
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Wrapping multiple database queries in one transaction

I am using Neo4j in embedded mode in my java application. Before upgrading to Neo4j 2.x, I was wrapping multiple db operations in one transaction. After upgrading to 2.x, I am explicitly performing each db operation in one separate transaction (this…
hasanatkazmi
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Find path in Neo4j with directed edges

This is my first attempt at Neo4j, please excuse me if I am missing something very trivial. Here is my problem: Consider the graph as created in the following Neo4j console example: http://console.neo4j.org/?id=y13kbv We have following nodes in…
Agandalf
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Neo4j - unable to craete a relationship using cypher in java

I am failing to execute the cipher query through java while creating a relationship. It is not throwing any error, but no relationships are created. Tried with other cipher query to return a node, which is returning perfectly. But unable to…
Jack Daniel
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Neo4j interoperability between community and enterprise edition databases

I am having issue switching between neo4j enterprise and community versions.Since i was unable to do a graphml import,i switched to enterprise where i can import graphml databases.Once i am done i am trying to open the database file created in…
lost Coder
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Unique constraint not getting respected in neo4j

I have created a neo4j DB locally and assigned some indices and unique constraint. Here is the :schema Indexes ON :Actor(social_id) ONLINE (for uniqueness constraint) ON :Category(name) ONLINE (for uniqueness constraint) Constraints ON…
lazywiz
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Is there any specific way to write limit clause in eclipse for neo4j?

I am have following problems in neo4j eclipse implementation : 1 . I get error with the limit function Code: String rows = ""; try ( Transaction ignored = graphDb.beginTx(); Result result = graphDb.execute(…
Nahush
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Complex queries in neo4j embedded java

How do I perform MATCH (p:Person:Actor)-[r:ACTED_IN]->(m:Movies{name:"ABC"}) RETURN p.name; In neo4j embedded Java . detailed explanation of the code would be of great help. note: I want to do this in native Java api not in cypher. It is supposed…
user4934354
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NEO4J JDBC Add relationship error

I am trying to add a relationship to nodes using Neo4J JDBC driver and have formed the following query : MATCH (node1:USER {fameId : 'test1'}),(node2:BEAM {eventUId : 'E000000016'}) CREATE (node1)-[r:PERFORMED{type:'test'}]->(node2)` When I try to…
Rishabh Jain
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Cannot implement CRUD operations through Neo4j in Spring Boot

I have a problem about implementing CRUD operations through the Neo4j query in Spring Boot. My issue is located at both CityRepository, RouteRepository, ShortestPathRepository and Route entity. 1 ) When I called listAll and getById method of…
S.N
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