All Questions
14
questions
0
votes
1
answer
16
views
How is select being used outside a traversal? groovy gremlin vs nodejs gremlin
I found this QA to be very useful, or at least would be if I understood what the heck is going on, and could translate it from groovy gremlin to nodejs gremlin. What's tripping me up is the use of the ...
1
vote
1
answer
48
views
Migrating a node label in gremlin tinkerpop
I'm working on migrating a graph from an old naming system to a new one and am looking for an efficient way to effectively re-label a given node label without losing node or edge properties or any ...
- 157
1
vote
3
answers
123
views
Running a local tinkerpop gremlin graph for testing in nodejs
I'm looking for a solution to run a gremlin tinkerpop graph locally to use for toy graphs for unit testing with Jest. I saw tinkergraph, but it doesn't appear to have a javascript implementation that ...
- 157
0
votes
1
answer
603
views
Gremlin-Visualizer not displaying local graph
I am trying to display a small (455 node) TinkerPop/Gremlin graph created on my Mac running Big Sur (11.6) through Gremlin Console (3.4.8) on a local TinkerPop server (3.5.1) using Gremlin-Visualizer ...
0
votes
1
answer
575
views
Gremlin - How to return a property of an edge alongside a node result?
I would like to know how to add to the result a property of the edge that links a node to another node
I'm using node.js to make queries to a Neptune database through Gremlin. Then I send the result ...
- 31
1
vote
1
answer
544
views
How to return all steps of traversal even if Gremlin query can not complete?
My problem is the following:
I have a graph containing vertices labeled as 'user' and edges between them that corresponds to their family relationship. The two types of vertices are parent users and ...
- 376
1
vote
1
answer
248
views
Circular JSON issue in Node.js on Gremlin query
JanusGraph is running on localhost:8182 in a Docker container
I'm running gremlin console in a Docker container that's linked to the Janusgraph Docker container
I can run successful traversals ...
- 321
2
votes
1
answer
521
views
Gremlin Javascript order by function
I use gremlin-javascript (in aws Neptune) to traverse the remote graph and get a list of vertex. I want order the vertex by their createdAt date property. But since I have multiple order().by(), I ...
- 39
0
votes
1
answer
1k
views
In tinkerpop gremlin, how do I search on properties of a vertex where there is a list of objects?
I have a vertex with the label MyVertex that has the following properties
{
text: "hello world",
indicator: {
code: [
{
unit: "thing",
val: "123"
},
{
...
- 23
0
votes
1
answer
1k
views
AWS Neptune, JS, Gremlin: add Vertex with optional Edge
Sometimes there is need to create Vertex with optional Edge.
g.addV('label')
.property(id, 'uniq_id_2').as('u')
.property('edge_is_needed', edgeIsNeeded)
.constant(edgeIsNeeded)
.choose(eq(true),
...
- 3,562
2
votes
1
answer
1k
views
What is the equivalent of the gremlin queries in gremlin javascript?
How can I write the 3 gremlin queries below with gremlin javascript, please?
gremlin> g.V.filter{it.name.matches(".*ark.*")}.name
g.V().filter({ it.getProperty("name").contains("ark") })
g.V()....
- 636
1
vote
2
answers
2k
views
Using Predicate in gremlin javascript
I want to use gremlin-javascript to traverse the remote graph and get a list of vertex, whose id is within a list of predefined ids.
const gremlin = require('gremlin');
const Graph = gremlin....
- 636
1
vote
1
answer
2k
views
Gremlin Server as REST API with dynamically created data
Let's say I have the following:
- a node.js server that is able to query a database and receive a (possibly big) JSON
- a gremlin server (configured with gremlin-server-rest-modern.yaml but maybe ...
- 1,939
3
votes
2
answers
1k
views
Baffled by all this Node -> Titan stuff
I'm new to Java, Gremlin, Nodejs, Tickerpop, Maven and just about everything else. What does this code do? In particular what is 'java.import' doing? Is it a Java class? What has this got to do with ...
- 15.5k