I talked to Robert Haas and he said that index-only scans do not optimize COUNT(*). Is this something we can do for PG 9.2? Is anyone working on this?
-- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers