All Questions
17
questions
0
votes
1
answer
90
views
Why does my Gremlin migration query only add one edge from each vertex?
I'm trying to add a Subscription vertex ([Org-Sends->Subscription<-Receives-User]) for each [Org-Manages->User] where one is not already present. I wrote this traversal, which appears to ...
0
votes
1
answer
710
views
Gremlin query how to compare properties of edges in same branch of my traversal?
I'm struggling to write a gremlin query that compares the values of each edge of a given branch of my traversal to both each other and a provided value.
Here's an example - let's say I have the ...
- 1,597
0
votes
1
answer
29
views
Fetch vertices (at variable depths) reachable from a node
Sample graph of what I'm building
I want to fetch all the students connected to a particular school. The students, however, can be present at any depth in the graph (with respect to the school).
...
2
votes
1
answer
342
views
gremlin console gui object browser
Whilst learning about the gremlin console, i came across the :inspect command.
The help say's Inspect a variable or the last result with the GUI object browser
But when i run the command i get the ...
- 2,662
1
vote
1
answer
2k
views
Add multiple edges in a single gremlin query using vertex ids
I am using gremlin REST server in my application and I want to create multiple edges to a vertex in a single query. I have the list of vertex ids from where to create edges to a single vertex.
For eg....
- 778
2
votes
1
answer
112
views
Disable tab to display console commands in the Gremlin console
I am frequently copy-pasting some scripts to the Gremlin console that include tabs and as a result the gremlin console displays its commands for each of these tabs:
gremlin>
:h :help ...
- 2,464
2
votes
1
answer
321
views
Get the value corresponding to a key in the properties of a TinkerVertex
In Gremlin-Groovy, given a TinkerVertex object, what is the clearest/fastest way to retrieve the value corresponding to a key in its properties, returning a default value if it is not present (such as ...
- 2,464
1
vote
1
answer
114
views
Groovy script fails to add edges to a Gremlin graph
I'm trying to make this script work to retrieve all edges that are present in a file, with ratings from users to movies.
new File('ratings.dat').eachLine{
line ->
components = line.split('...
- 2,464
2
votes
1
answer
695
views
Send groovy script as a file to the Gremlin Server REST API
Here it is explained how I can interact with a Gremlin Server using its REST API. With the following command I execute the rather simple 100-1 script.
curl -X POST -d "{\"gremlin\":\"100-1\"}" "http:/...
- 2,464
1
vote
1
answer
319
views
What is the best way to write a gremlin query is it through groovy script or tinkerpop steps
What is the best way to write a gremlin query is it through groovy script or tinkerpop steps?
For example to sort a set of Vertices with label Employee based on their date of joining.
Which is a ...
- 1,014
3
votes
1
answer
1k
views
What is the syntax to sequence statements in Gremlin?
Within the Gremlin language (a Groovy child) I'm a little confused by the behavior and uses of ;, &&.
For example, in GremlinClient REPL (running Titan 1.0 here) I might desire to add a few ...
- 64.6k
2
votes
3
answers
3k
views
Comparing vertex properties in Gremlin Groovy
I'm asking nearly the same question as you see here, but with the constraint that the groovy, not java, syntax must be used. Ideally the answer to would be very concise.
I have a simple graph of ...
- 619
2
votes
1
answer
63
views
How to group "match" results
My question is "how to group the match results" of select-ed items ?
Here is the structure and data I have in my graph :
Structure :
5 kind of vertices : user / experience / school / company / tag
...
- 329
0
votes
2
answers
117
views
Traversal from Different Sources to Same Target
I have the following graph layout:
I am trying to get to the TargetVertex and I am given three other vertices Vertex1, Vertex2, and Vertex3.
I have to use all three source vertices to ensure that ...
- 3,555
1
vote
1
answer
2k
views
Why can't a Gremlin GraphTraversal be captured as a Groovy variable?
I am experimenting with the traversal examples from the TinkerPop3 documentation. Having loaded up the classic graph with g = TinkerFactory.createClassic(), at the Gremlin shell:
gremlin> marko = ...
- 37.6k