Generally speaking RethinkDB doesn't query optimize, except in deterministic ways, unless they've changed policy on this. I don't see any reason why a plain gr

Generally speaking RethinkDB doesn't query optimize, except in deterministic ways, unless they've changed policy on this. I don't see any reason why a plain group/aggregate query couldn't be evaluated appropriately -- I know it is when the grouping is done using an index, maybe it is now when the grouping is done otherwise (I don't know, but it would be sensible, I'm out of date).