Hello Julian,
Thank you for the reply.
I agree that there should be something which should be common to combine
all the equivalence nodes together. I think then it might be needed from
DRILL's end to handle what is equivalent as the default equivalence is not
distinguishing the two nodes which are
It is important that the digest is not unique. We want to identify RelNodes
that are different objects but have identical content. Such RelNodes will have
identical digests. Then we can combine these into one when we register them in
a Volcano planner.
> On Aug 8, 2017, at 10:55 AM, Hanumath R
