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Drivers & Stacks

Forum Posts

About the Drivers & Stacks category

All applications using Neo4j depend on drivers to execute statements to update or query data. Neo4j drivers are mostly built on the binary Bolt protocol. Official drivers exist for Java, JavaScript, .Net, Python, and Go and more. Other languages (R, ...

yolande by Community Team
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Resolved! Neo4j/Graphql relationship filtering with union of targets

Hi Folks, I run into the following issue/question while evaluating the capabilities of the new neo4j/graphql. When I setup my graphql model as follows and wanna query some relationships with specific ns0__hasSortKey value, I dont seem to be offered w...

Cypher variable names in py2neo and flask templates

Probably been learning too much Python today. Excuse the tired newbie question. Trying to use py2neo with flask templates (which are just WTForms with some extensions, which is using Jinja). If I do a mylist = graph.run ("MATCH (n:Things) return n")...

SDN Neo4j 6.1.4 - Source emitted more than one item error

Hello, I'm running into an IndexOutOfBoundsException when calling the reactive template .save method using SDN 6.1.4. The stack trace points to the reactor flow in use here Flux.checkpoint ⇢ at org.springframework.data.neo4j.core.ReactiveNeo4jTemplat...

matt4 by Node
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Resolved! SDN6: Using projection persistence with primitive fields

Hello, I'm using SDN 6.2.0-SNAPSHOT I have an NPE when persisting a projection when the entity class has primitive fields. My projection class has not defined the primitive fields. Everything works fine when I change the primitive (boolean) by its wr...

gonzalad by Node Link
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Projections for dynamic relationships

Hi all, I am using Spring Data Neo4J 6.1.2 and would like to know if you can apply projections to dynamic relationships to retrieve only fields I am interested in. Sample of node class: @Node("Entity") @Data public class Entity { @Id @Genera...

Resolved! Ignoring case using Cypher DSL

I'm new to Cypher-DSL and starting to build some dynamic queries in Spring Neo4J. I see in the documentation that you can use equalsIgnoreCase for Querydsl Predicate Predicate predicate = user.firstname.equalsIgnoreCase("dave") .and(user.last...

Query by relationship properties

Hi all, I am using Spring Data Neo4J 6.1.2 and would like to retrieve node entities by a relationship property. I am currently using dynamic relationships. On the node entity I have this: @Node("Entity") @Data public class Entity { @Id @Gene...

Resolved! The type 'EncryptionLevel' is defined in an assembly that is not referenced. You must add a reference to assembly 'Neo4j.Driver

Hello, .NET 4.7 MVC with AngularJS. var _graphClient = new Neo4jClient.BoltGraphClient(LmsNeoUri, Lmsusername, Lmspassword) { DefaultDatabase=neo4jDatabaseName }; In this line I am getting error Error CS0012 The type 'EncryptionLevel' is defined in...

Nodes 2022
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NODES 2022, Neo4j Online Education Summit - November 16 - 17, 2022.


Free NODES Training Series


October 19th -

Intro to Neo4j


October 20th -

Healthcare Analytics Using Neo4j


October 25th -

Handling Neo4j data with Apache Hop


October 26th -

Blazing Fast Graphs: Hands-on with Apache Arrow and Neo4j


November 2nd -

Graph EDA Using the Neo4j GDS Client


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