On Thu, Jan 13, 2011 at 3:12 PM, Jon Nelson <jnelson+pgsql@xxxxxxxxxxx> wrote: > I still think that having UNION do de-duplication of each contributory > relation is a beneficial thing to consider -- especially if postgresql > thinks the uniqueness is not very high. This might be worth a TODO. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
