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Questions tagged [neo4j-driver]

85 questions
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Neo4j Python Driver: Pass nodes as parameter to DB

i want create a new edge between two nodes using the python driver for neo4j. def cypher_orchestration(tx, start_identifier: str, end_identifier:str, edge_type: str): start_node = node_match(tx, start_identifier).single() end_node =…
ottonormal
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stop neo4j from racing to execute command

In my following block of code, sometime a DataFrame is created, sometime it is not. It seems like the issue is due to the fact that neo4j is racing to execute the command. I have tried to split the run commands into multiple session like the code…
le Minh Nguyen
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Neo4j node driver - Connection refused. What am I doing wrong?

I have this simple node server (based on the documentation provided here - https://www.npmjs.com/package/neo4j-driver?activeTab=readme const neo4j = require('neo4j-driver'); const driver = neo4j.driver('neo4j://localhost', neo4j.auth.basic('admin',…
JMS
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Neo4j.Driver code fails in .net 6 console application but works in forms

I am trying to call this GetNotificationsCount() function from both .Net 6 Forms application and a console application. public async Task GetNotificationsCount() { var query = @"Match (p:Notification) RETURN count(p) as…
Kiran
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node neo4j-driver dosen't allow proxy setting when neo4j-desktop does

I would like to connect to neo4j instance hosted in aws through my node server running in local. I can connect to it using neo4j desktop using proxy settings. I couldent find similar settings in driver though... Am i missing something? Tried setting…
Vipul Fadte
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Neo4J multiple unwinds unexpected behavior

I am trying to execute the following Neo4J query. CREATE (c:Content) WITH c UNWIND $resources as resource MATCH (p:Person {userId: resource["userId"]}) CREATE (r:Resource) CREATE (p)-[:CREATES]->(r) CREATE (c)-[:CONTAINS]->(r) WITH…
Emir Arditi
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C# Neo4j Driver read records from DB parse IResultCursor

I'm working with Neo4j Driver and trying to read and write from the DB locally. Writing to the DB works with: try { List people = CollectPeopleData(); _driver = GraphDatabase.Driver(uri, AuthTokens.Basic(userName, password)); …
Yafim Simanovsky
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Neo4j-driver in Docker container fails to connect to Neo4j

I have Neo4j 4.4.7 running in one Docker container and a node.js app running in another container, loading neo4j-driver version 4.4.7. The app running in a Docker container fails to connect to neo4j, but it succeeds when I run it from the command…
HieroB
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C# Driver - Session.CloseAsync() not closing the connections effectively

I am using .NET Driver for Neo4j . Environment: .NET 6 Neo4j Server version : 4.3.2 Driver version : Neo4j.Driver 4.4.0 We are using a singleton driver connection with the server using the following code snippet and reusing it across all the…
tam-cocomelon
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Neo4j graph blind search for any node and relationship containing an expression?

I am trying to build a blind search, given an expression/string. Using Python Neo4j driver I am running: from neo4j import GraphDatabase driver = GraphDatabase.driver("neo4j://localhost:7687") def query_engine(tx, query): res = tx.run(query) …
SteveS
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Spring Data Neo4j Expected a result with a single record, but this result contains at least one more. Ensure your query returns only one record

I develop an event meeting application using Spring and Neo4j database. This is my model: Member can Create Event and other member can register and check in event when member who is organizer has start check in event. This is my entities in java…
wavemoroc
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Nested FOREACH on array only executes on first array value

I am writing a function to seed my database data. The first thing that I do is clearing everything from the database: export const clearDb = async () => { const deleteQuery = ` MATCH (n) DETACH DELETE n `; await…
Miha Šušteršič
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Neo4j test container: Database name parameter for selecting database is not supported in Bolt Protocol Version 3.0

I'm using the Neo4j OGM and currently creating a session factory like this. Configuration config = new Configuration.Builder() .uri(uri) .credentials(username, password) .database(db) …
Freid001
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neo4j query to get a specific formated response

I am having a node network in the neo4j database which includes multilevel nodes something like, parent -> child -> sub child -> ...and so on Now what I need is I need to write a query that will give me the response in the below format. nodes = [ { …
Parth
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How to query to get n level depth nodes in neo4j

I want to write a query that will fetch the ciphers(nodes) along with its child nodes to the n-level. e.g. if any child is having 1 child node and that child node is also having a sub child and that sub child node is also having a sub child node…
Parth
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