Boszormenyi Zoltan <z...@cybertec.at> writes: > This applies to anything else that may need to be converted > from list to tree to decrease planning time. Like ec_members > in EquivalenceClass.
AFAIR, canonical pathkeys are the *only* thing in the planner where pure pointer equality is interesting. So I doubt this hack is of any use for EquivalenceClass, even if the lists were likely to be long which they aren't. regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers