On Fri, May 06, 2011 at 03:43:02PM -0600, Scott Ribe wrote: > In this case, it depends on the result of a pretty complex join that > involves some gnarly time calculations, and finding the unmatched > rows from one side of an outer join. Yeah, in that case the HOT suggestions are very important. I strongly recomment you experiment in a test system with real data and pathological cases in particular, in order to see what happens when the outlier cases inevitably, Murphy willing, crop up. That's not to say you should arrange your plans for them, but forewarned is forearmed. A -- Andrew Sullivan ajs@xxxxxxxxxxxxxxx -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general