"Ivan Sergio Borgonovo" <mail@xxxxxxxxxxxxxxx> writes: > Summarising it up: is it worth to add it here and there as an > optimisation flag? Probably not. Unless you're not planning on reading all the resulting records anyways and want the planner to optimize with that assumption. -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's PostGIS support!