Dice algo for random node selection

[CosmicPangolin1 (Cosmic Pangolin)]

This has already been detailed as a GitHub issue, but it was closed without much consideration to the benefits of having the feature implemented server-side:

Pick nodes randomly

I’ve also reached a point where I’ll be doing a lot of random offsets in my queries, and doing two (or more, with nesting) round-trips to properly handle node count becomes a pretty chunky performance cost. Further, because offset is denoted in pages, this has a tight bound on randomness for >1 elements: if I want 4 random elements, they must be either independently queried or batched as a page.

Would really love to see this implemented

[chewxy]

Pick random node

Hello Dgraph team, Picking a random has already been mentioned here and on github, but no feature request ticket seems to have been created. I’m still in the need of such a feature as it would greatly improve: Performances because I currently need to do random queries twice (in a transaction): First to count nodes, second to set one or more random offsets. My biggest and slowest query right now is to do matchmaking in my game, and I have to do it twice each time. Code readability because my …

[chewxy]

It’s on the list of features we’re gonna add soon.

[CosmicPangolin1 (Cosmic Pangolin)]

Hah, word. I clearly suck at searching . Thanks!