Azure Cosmos DB databases can be configured to use a Gremlin API. Via this feature, Cosmos DB aims to provide a compatible server interface for applications using the Tinkerpop Gremlin graph traversal language. Not all Gremlin features are supported by Cosmos DB's implementation.
Questions tagged [azure-cosmosdb-gremlinapi]
283 questions
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Need a query to retrieve complete graph
I am trying to retrieve all the node and properties details in parent-child hierarchy.
Nested within each other.
Since I am new with gremlin, graphDB I am having really tough time to get it done.
Please suggest a solution and if you could walk me…
Rahul Anand
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3 answers
Gremlin.Net.Driver.Exceptions.ConnectionClosedException
Created object for gremlinServer , connectionPoolSettings
var gremlinClient = new GremlinClient(gremlinServer,connectionPoolSettings:connectionPoolSettings);
using (gremlinClient)
{
var v1 = graph.AddV("person").Property("name",…
place holder
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1 answer
Azure cosmosDB gremlin - how to update vertex property with another vertex's property
On an Azure cosmosDB gremlin instance,
I have 2 vertices A and B linked by and edge E.
Both vertices has a 'name' property.
I'd like to run a query which will take A's name and put it in B
when I…
ATM
- 160
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2 answers
Azure cosmosDB graphDb GremlinApi high cost
We are investigating deeper CosmosDb GraphDb and it looks like the price for simple queries is very high.
This simple query which returns 1000 vertices with 4 properties each cost 206 RU (All vertices live on the same partition key and all documents…
draco951
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1 answer
Gremlin simple path query, to get path based on first edge encountered property
Sample Graph - actual graph Image See here
Code to generate Vertex
graph.addV("organization")
.property("name", "CITI")
.property("type", "ORG")
.property(T.id, "1")
.property("orgName",…
Parvesh Kumar
- 57
- 6
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1 answer
Gremlin - avoid traversing already seen edges
I've the following model which I'd like to model as a graph in Azure CosmmodDB.
So I have a user that can be in multiple groups, user can also have multiple permissions attached, groups can also have multiple permissions attached.
I want to find an…
macpak
- 1,190
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1 answer
Why CommitAsync does not complete in Gremlin .NET Transactions
I am having trouble with gremlin .NET
Gremlin server: 3.6.0
Gremlin .NET: 3.6.0
Code:
var gremlinServer = new GremlinServer("localhost", 8182);
ConnectionPoolSettings connectionPoolSettings = new ConnectionPoolSettings()
{
…
Moin Faisal
- 98
- 3
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0 answers
transaction between cosmosdb core to gremlin c# .net core
enter image description here
I have two databases, 1 cosmos DB core, 2 cosmos gremlin. I perform an action of creating a new user (or updating or deleting) and I want to make sure that Atomicity guarantees that all the operations done inside a…
יעקב פרידמן
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1 answer
Is there a version of gremlin "bothE" that isn't actually "eitherE"?
I want to find all vertecies which has an edge to a specific vertex but the vertex should also have an edge back to the other vertex.
The following query does not behave in the way i want, it seems that bothE() means either in or out or both, not…
user3713080
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2 answers
Why is my gremlin.net gremlin client not working with azure cosmos graph db
I've set up a serverless azure cosmos graph db account and now I'm trying to connect to it using the following code:
.AddSingleton(s =>
{
var connectionPool = new ConnectionPoolSettings
{
MaxInProcessPerConnection =…
user3713080
- 399
- 4
- 17
1
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2 answers
Project by, with optional properties
I believe this question is for Tinkerpop, not specific to the CosmosDB implementation; just some semantics might be baked into my query examples.
I've developed a data layer that creates queries based on some metadata information. Currently, my data…
Curt
- 58
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1 answer
Gremlin Query to check for pairs of edges on vertices
For some context: I am currently using azure cosmos db with gremlin api, because of the storage-scaling architecture, it's much less expensive to perform a '.out()' operation than a '.in()' operation, hence I always create double directed edges, so…
Nines
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1 answer
I have to handle an exception in Polly where I need to Compare the data in the result set with the data in Cosmos Database and then Retry
For every 200 status code that we're receiving from the gremlin query, I want to check if the result vertex matches with the vertex that needed to be updated. And if it doesn't match then do a retry.
public async Task…
Samaira Mathers
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1 answer
need a gremlin query that summarizes edges by in out vertex labels by counts
Using Cosmos DB Gremlin API, I’m trying to create a gremlin query that summarizes edges by vertex labels by counts
The closest thing I can come up with doesn’t do the counting just deduping. Any help would be greatly…
Νικόλαος Μανωλακος
- 313
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1 answer
How to reduce RUs consumed by a cosmos gremlin query
I have a simple query to fetch vertex count in cosmos gremlin database.
g.V('person1').out('know').hasLabel('person').count()
The output of this query is say 1000. The number of RUs consumed by this query is ~466. Just wanted to know if there is any…
Jaspreet Singh
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