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Head's Up! Site migration is underway. Phase 2: migrate recent content

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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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Modify generated query when using Neo4J-OGM

I want to implement a soft delete - deleted_at flag is null by default and set to the date when node is deleted. I would like to add check for deleted_at is not null in all queries. Is there any way to add such checks or modify the query before it is...

Easy Access Control for GRANDstack

Hi there. I wrapped up writing a series of articles on about six months ago that examined some ways to use the neo4j-graphql-js Filter API to enforce fine-grained access control structures for GRANDstack applications. Well, I finally got off ...

imkleats by Node Link
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Java embedded graph in Neo4j community 4.1.1

Hi all ! I trying to visualize a java embedded graph in Neo4j community. There is my code to generate the new.db I want to visualize: /* * Licensed to Neo4j under one or more contributor * license agreements. See the NOTICE file distributed with *...

Saving a Node takes ~5-6 seconds

Hello, I have a java based microservice which uses Neo4j as the DB. Every request to the service either updates or create a new Node labelled as Device which has ~25 properties. The DB has close to 4M Device Nodes. I am using SDN(Spring-Data-Neo4j) s...

Dynamic Relationship Type with OGM

I am trying to use same RelationshipEntity with different types Is there a way to provide type to @RelationshipEntity at runtime ? @RelationshipEntity(type = ) I know we can do this using APOC but is there a way to do it directly at Entity level ?

Neo4j embedded graph visualization

Hi all ! I recently upgrade the Neo4j community java driver version that I use (from 3.x.x to 4.1.1) and I can't visualize any generated graph. I am using the Neo4j 4.1.1 community edition. I tried to run the code example given by Neo4j https://githu...

Trying to use streams with Grandstack/Graphql

Hello everyone. I'm using Grandstack with Flutter instead of React and as for Apollo I'm using graphql_flutter, so far so good except that I'm looking to stream some of my data using neo4j_streams, graphql_flutter provides "subscriptions" widget whic...

Correct way to ingest millions of results?

I'm having trouble debugging what's going on in my workflow: from neo4j import GraphDatabase def get_results(db): q = " ... my query ..." driver = GraphDatabase.driver(uri, auth=("neo4j", "pass")) db = driver.session( with db.begin_tr...

Rogie by Node Link
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Default pagination for 'makeAugmentedSchema'

Hi everyone, does somebody knows if it's possible to set a default limit(first) on queries for example const schema = makeAugmentedSchema({ typeDefs, config: { query: { defaultFirst: 1000(to response the first 1K) exclude: ['Ratin...