On Thu, Dec 15, 2011 at 18:10, Robert James <srobertjames@gmail.com> wrote:
> How do I do the equivalent of an ANY() or ALL() in PG Aggregate SQL?
Note that in many cases, writing an EXISTS(SELECT ...) or NOT
EXISTS(...) subquery is faster, since the planner can often optimize
those to a single index access -- whereas an aggregate function would
necessarily need to walk through and evaluate all potential rows.
Regards,
Marti