On Wed, Jul 29, 2020 at 7:48 PM Bruce Momjian <bruce@momjian.us> wrote:
> Well, that seems to be repeating what is already in the docs for
> hash_mem_multiplier, which I try to avoid. One other direction is to
> put something in the incompatibilities section. Does that make sense?
I would prefer to put it next to the hash agg item itself. It's more
likely to be noticed there, and highlighting it a little seems
warranted.
OTOH, this may not be a problem at all for many individual users.
Framing it as a tip rather than a compatibility item gets that across.
--
Peter Geoghegan