neo4j-graphql | GraphQL bindings for Neo4j , generates and runs Cypher | GraphQL library

 by   neo4j-graphql Kotlin Version: 3.5.21.5 License: Apache-2.0

kandi X-RAY | neo4j-graphql Summary

kandi X-RAY | neo4j-graphql Summary

neo4j-graphql is a Kotlin library typically used in Web Services, GraphQL, Neo4j applications. neo4j-graphql has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

GraphQL bindings for Neo4j, generates and runs Cypher
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              neo4j-graphql has a low active ecosystem.
              It has 435 star(s) with 72 fork(s). There are 43 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 88 open issues and 82 have been closed. On average issues are closed in 108 days. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of neo4j-graphql is 3.5.21.5

            kandi-Quality Quality

              neo4j-graphql has no bugs reported.

            kandi-Security Security

              neo4j-graphql has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              neo4j-graphql is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              neo4j-graphql releases are available to install and integrate.

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            neo4j-graphql Key Features

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            neo4j-graphql Examples and Code Snippets

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            Community Discussions

            QUESTION

            AND is not returning result in GraphQL
            Asked 2021-Mar-06 at 07:59

            I am trying to write a query with AND operator to extract data from neo4j in GraphQL but it doesn't return any result. I am using neo4j-graphql-js library. I have the following schema

            ...

            ANSWER

            Answered 2021-Mar-06 at 07:59

            Since you have mentioned about using neo4j-graphql-js library. You can do something like this:

            Source https://stackoverflow.com/questions/66503284

            QUESTION

            Setting up Relationship types in GrandStack
            Asked 2021-Feb-25 at 07:09

            I am trying to setup a relationship type in Grandstack. I am having issues getting things to run correctly. Even when I copy the guide into my project and try to run it ... things do not work. Here is what they have at https://grandstack.io/docs/guide-graphql-schema-design

            ...

            ANSWER

            Answered 2021-Feb-25 at 07:09

            I was accidentally running

            Source https://stackoverflow.com/questions/66363678

            QUESTION

            neo4j-graphql-js: satisfy type using @cypher without returning a concrete node
            Asked 2020-Oct-31 at 10:37

            Often I want to create a GraphQL type that represents the results of a Cypher query that spans than one node. I can't return a concrete node from @cypher in this case, as no such node exists. I tried to return appropriately named fields from a top-level @cypher query but this approach did not work.

            ...

            ANSWER

            Answered 2020-Oct-31 at 10:37

            The problem is that according to the Person definition, there must be an object at the query output. So try this query

            Source https://stackoverflow.com/questions/64594151

            QUESTION

            Neo4j Cypher has ultra-restrictive pattern comprehension - or am I using it wrong?
            Asked 2020-Aug-12 at 17:06

            I recently picked up Neo4j as it seemed the best type of database to store data I'm currently scraping off a number of online discussion forums. The primary structure of the graph is Community -> Forum -> Thread -> Post -> Author

            I'm trying to write the Cypher queries to resolve GraphQL queries, and would like to paginate (for example) the Forum -> Thread connection. The relationship is CONTAINS which holds an order property i.e. (f:Forum)-[:CONTAINS]->(t:Thread)

            From the neo4j-graphql-js library I picked up on their usage of pattern comprehension to run an "inner query" on the child nodes. For example:

            ...

            ANSWER

            Answered 2020-Aug-12 at 17:06

            [EDITED]

            If you moved the order property into the Thread nodes (which should be valid if each Thread node is connected to only a single Forum), then you can create an index (or uniqueness constraint) on :Thread(order) to speed up your query.

            For example, this query should leverage the index to paginate forward faster (assuming that the f.id, the order value to use for pagination purposes, and limit value are passed as the parameters id, order, and limit):

            Source https://stackoverflow.com/questions/63340253

            QUESTION

            React.js, Express.js and the dreaded CORS
            Asked 2020-Aug-05 at 10:51

            I'm sorry to be posting yet another question about CORS but I just can't figure this one out.

            I have a React app using an Express.js server (running on http://localhost:9001) to upload an image to a Google Cloud storage bucket. I keep getting a CORS error even though the image is uploaded successfully and this is preventing me from getting the image's URL returned. I don't really understand how I can get a CORS error even though the image is uploaded but that's what's happening.

            I have configured CORS on the Google Cloud storage bucket as follows:

            ...

            ANSWER

            Answered 2020-Aug-05 at 10:51

            You add cors to Google Cloud storage bucket but you forgot to add it to express server POST function. Or use it as global on your express server.

            Try this on your express POST function:

            Source https://stackoverflow.com/questions/63261409

            QUESTION

            Neo4j Server certificate is not trusted
            Asked 2020-Jul-25 at 20:52

            I have just set up my Neo4j server on a VM on Google Cloud, I'm using Enterprise version 4.1.1, and I've have finished following the great post (here) by David Allen about how to get a certificate with LetsEncrypt.

            This has all worked perfectly and I now have a fully secure Neo4j server that I can access through the browser (MYDOMAIN.COM:7473/browser) using my hostname. However, I am now having issues getting my application to connect to the server using the javascript driver.

            I keep getting the following error:

            Failed to connect to server. Please ensure that your database is listening on the correct host and port and that you have compatible encryption settings both on Neo4j server and driver. Note that the default encryption setting has changed in Neo4j 4.0. Caused by: Server certificate is not trusted. If you trust the database you are connecting to, use TRUST_CUSTOM_CA_SIGNED_CERTIFICATES and add the signing certificate, or the server certificate, to the list of certificates trusted by this driver using neo4j.driver(.., { trustedCertificates:['path/to/certificate.crt']}). This is a security measure to protect against man-in-the-middle attacks. If you are just trying Neo4j out and are not concerned about encryption, simply disable it using encrypted="ENCRYPTION_OFF" in the driver options. Socket responded with: ERR_TLS_CERT_ALTNAME_INVALID

            I have read through the driver documentation (here) and I have added both the trust: "TRUST_CUSTOM_CA_SIGNED_CERTIFICATES" and trustedCertificates:[] settings. I downloaded all of the certificates from my server (cert.pem, chain.pem, fullchain.pem and privacy.pem) and linked to them in the trustedCertificates setting.

            Unfortunately I'm still getting the same error. For reference, this is how my driver is currently configured:

            ...

            ANSWER

            Answered 2020-Jul-25 at 20:52

            I found a solution to this problem - I had a look at the documentation (here)and found that I needed to update my NEO4J_URI from bolt://SO.ME.IP.ADDRESS:7687 to neo4j://MYDOMAIN.COM:7687. Now I've done this all is working as expected.

            Source https://stackoverflow.com/questions/63081862

            QUESTION

            session.run(LOAD CSV) issues
            Asked 2020-May-13 at 04:11

            When using LOAD CSV function with session.run() to execute cypher statements into Neo4J it doesn't return anything. Have tried removing LOAD CSV and it works perfectly fine in creating nodes.

            This is the code:

            ...

            ANSWER

            Answered 2020-May-12 at 17:56

            That LOAD CSV command will just invoke CREATE (n) once per line which will create a node with no label or properties. Try changing it to something like CREATE (n:CsvNode) SET n.prop_1 = csvLine.header1 (where header1 is one of the headers from your CSV) and see if nodes labelled :CsvNode get created.

            Source https://stackoverflow.com/questions/61754335

            QUESTION

            Define direction for type @relation with from and to for the same type
            Asked 2020-May-04 at 21:00

            Is it possible to define directions for a type @relation with from and to for the same type in neo4j-graphql?

            ...

            ANSWER

            Answered 2020-May-04 at 21:00

            QUESTION

            How to pass input type arguments to a Mutation in graph QL Neo4j
            Asked 2020-Apr-09 at 07:45

            I am trying to learn GraphQL with Neo4j. I am having trouble understanding how to generate a graphql query to update a relationship between nodes

            Below are the Mutations auto generated by neo4j-graphql.js to create a relationship between two objects

            Below is the schema

            It would be really great if someone can explain how to pass the arguments for the AddUSAIsequal mutation.

            Appreciate any help!

            ...

            ANSWER

            Answered 2020-Apr-09 at 07:45

            QUESTION

            How to access query path properties in a resolver? GraphQL
            Asked 2020-Mar-26 at 13:56

            I have a database with the following structure.

            I'm writing a GraphQL resolver for the bottom-most node (the "rows" node).

            As the image shows, each "rows" node corresponds to a specific path. (Company)->(DB)->(Table)->(rows)

            A Query would be of the form:

            ...

            ANSWER

            Answered 2020-Feb-06 at 17:23

            You can extract the path from the GraphQLResolveInfo object passed to the resolver:

            Source https://stackoverflow.com/questions/60098012

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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            No vulnerabilities reported

            Install neo4j-graphql

            You can download it from GitHub.

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