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gremlintinkerpopgremlin-server

Gremlin: Build the output of the query as a 2D array

I want to get the list of friends of all the users of the graph in a 2D array fornat like:

[
  [friend, friend, friend],
  [friend, friend, friend],
  [friend, friend, friend],
]

I've came up with this query: g.V().hasLabel("user").both("friend");

But that query returns the friends of all the users and puts it in to the same list, not what I want, I want a 2D array where each item is the list of friends for each user.

What do I need to achieve this?

Solution

  • Self response: bechbd response is correct but a more simple and readable solution is to use flatMap() like this: g.hasLabel("user").flatMap(both("friend").fold())