On Mon, Apr 13, 2009 at 2:36 PM, Paul Wehr <sf_psql_general@xxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > I am looking for a way to get the plan to show only a seq scan of test2, > since test1 does not contribute any columns, and we know from the > not-deferrable-not-null-primary-key that there will always be exactly one > match. > > Am I just missing something obvious, or does postgresql (currently) not do > that? > postgres will look at all tables involved, i think there is work to make it smart enough to make what you describe but that's in the future... -- Atentamente, Jaime Casanova Soporte y capacitación de PostgreSQL Asesoría y desarrollo de sistemas Guayaquil - Ecuador Cel. +59387171157 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general