Robert Haas <robertmh...@gmail.com> writes: > On Fri, Jan 27, 2017 at 11:44 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> I'm afraid though that we may have to do something about the >> irrelevant-joinquals issue in order for this to be of much real-world >> use for inner joins.
> Maybe, but it's certainly not the case that all inner joins are highly > selective. There are plenty of inner joins in real-world applications > where the join product is 10% or 20% or 50% of the size of the larger > input. Um ... what's that got to do with the point at hand? regards, tom lane -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers