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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, ...
I need to get the roll name and roll type in react. Here is my query... import gql from "graphql-tag"; const Person = gql` query Person{ Person{ id name roll { name type } } } `; export default Pe...
hey, i am trying to use neo4j along with graphql and using neo4j-graphql-js module wanted to know that how can i implement my schema to have some unique filed like username or email? and avoid any duplicate entry through mutations
We are trying to build a full OGM for a Python/Flask based backend which uses Neo4j. The problem I am running into is with the RelatedTo and RelatedFrom parts of Py2neo.ogm framework. Naturally, if my graph has a structure like (a)-[:LINKS_TO]->(b) I...
schema.graphql type Person { id: ID! name: String! roll: [Roll] @relation(name: "PLAYING", direction: "OUT") } type Roll { id: ID! type: String! name: String! person: [Person] @relation(name: "PLAYING", direction: "IN") } type Query {...
I have been working with the most recent GRANDstack starter application. I have gotten hung up on how to create a more complicated traversal as shown here: https://grandstack.io/docs/neo4j-graphql-js.html type Movie { movieId: ID! title: String ...
I have a use case where I'm generating a dynamic query before eventually calling session.query(...) with it. I'm providing a parameter map to the function that has input that comes from the user. I figured this input would get automatically sanitized...
Hi all, We just started to work with spring data neo4j. But have run into the problem when creating a node with a relationship to another existing node. For example: https://stackoverflow.com/questions/36375560/spring-data-neo4j-create-new-node-with-...
Hi devs, I wonder if anyone else encountered this issue. public class NodeA{ Set<NodeB> nodeBSet; public void addNodeB(NodeB b){ if(nodeBSet == null) nodeBSet = new HashSet<>(); nodeBSet.add(b); } } Then I have a method to assemble...
Neo4j : 3.5.5 Driver : Python 1.7.2 Model is self explanatory. Book contains many instruments. Instrument has many dependencies There are 1.3 M Relationships and 1.7 M Nodes. I ran the following query to add one more relationship with additional att...
Hi, Java's OGM API had Transaction Event Listeners which provides user with call backs for PRE/POST for session.save/delete. Does the same exists for Python Driver? Any library which can simulate 'live query' feature? Live query - getting updates/cal...
Hi All, Has anyone configure neo4j datasource with Websphere as the application server ? Thanks Sachin
While performing below query in NEO4J getting error. LOAD csv with headers from "file:///1Skills_data.csv" as Skills MERGE (mis:MinorSkill {name:Skills.L3}) With Skills MATCH (ms:MajorSkill {name:Skills.L2}),(mis:MinorSkill {name:Skills.L3}) MERGE (m...
Recently starting with neo4j and converting a program into using OGM. Have been able to get everything saved into the database just fine, however when retrieving, OGM seems to get confused on node types and relationships in this instance: (LOCATION)...
Weird question, but I can't find any related docs. In most cases, whenever I'm mapping through @Relationship entities, the source and target nodes have differing labels / model classes. Now I have a case where I need to map sources and targets of the...
I am trying to map the properties of a node entity to my prop field, but I can't seem to get it work. For some reason, it's always null. I've tried to follow this: https://neo4j.com/docs/ogm-manual/current/reference/#reference:annotating-entities:nod...
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