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. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
