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, ...
Hi, simple question : when you perform a tx.commitAsync() or tx.rollbackAsync(), do we need to do also a session.closeAsync() or is it useless ? Thanks.
Hi, I'm trying to use spring-data-neo4j 5.2.4.RELEASE, and in particular the Auditing @createdDate functionality @NodeEntity public class Person { @Id private Long idSubject; @CreatedDate private long dtInsert; @LastModifiedDate...
Greetings all, I wonder if any of you can assist me with a concern. I have been experimenting with Spring Data Neo4j for Kotlin over the past few days. Spring Boot version 2.2.4.RELEASE Kotlin version 1.3.61 Neo4j version 4.0.0 As an example, if I se...
Today I discovered that the @neo4j_ignore schema directive exists. This is a great thing, but this isn't documented on grandstack.io which is the canonical source of documentation. What else is missing from the documentation? At a bare minimum we nee...
I have a type in my schema and it looks like this (simplified): type CompetencyCategory { _id: Long! id: String! label: String! competencys: [Competency] @relation(name: "IS_IN_GROUP", direction: "IN") sumOfChildComps: Int @cypher( ...
Good evening, Is it possible to create a "unique" constraint dynamically ? by dynamically, I mean programatically instead of using an annotation. I need this for a @Properties List, for which I do not know the content while in class metadata. And als...
Hello! Is there a way to do Database Selection via configuring the new SDN/RX spring driver? I cannot find a property to facilitate this. Presently the only way I can to perform database selection is to build a SessionConfig and pass that to the Driv...
I'm building an express api in front of a neo4j database. The whole project runs two services in docker: neo4j-databasecharacters-api I use an .env file to set all environment variables, hence the mapping in the docker-compose.yml. Both are connected...
Hi, I've been trying to use inferSchema and makeAugmentedSchema on what will be a GRANDstack application. Whether I use the GRANDstack template or my own code, inferSchema produced a good output and makeAugmentedSchema produced a series of errors. He...
Hi all, I need to get all the schema that I push on Neo4j database, I'm using 'CALL graphql.schema()' but it doesn't fit my desire. This procedure just return all the Node and Relationship schema, and I need ENUM and MUTATION also. Are there any ways...
When a version that is compatible with Neo4j 4.0 is expected to be released?
Hi, I'm trying to run a query and pass objects as parameters with the java bolt driver. try (Session session = driver.session()) { return session.writeTransaction(transaction -> transaction.run(cypher, params).stream() ...
Hi We are seeing a recurring issue using V4 Bolt driver to connect to talk to V3.5.14 Community Edition database. Under constant low load, about 10% of transactions fail with. "Neo4j.Driver: Cannot access records on this result any more as the resu...
Good evening, I'm currently working on an API controller used to edit some node entities and its relationships, the node update is working well but when I update the RelationshipEntities inside the NodeEntity: Set<ContextRelation>, its returning the ...
Hello, I am new with neo4j, i will use the community version. I want to know how can i request the database within a java application, i don't want to create nodes/relationships (the database is created in another project ) but i want to connect to t...
All the sessions of the conference are now available online
