Harry, > It has been suggested to me that I resubmit this question to this list, > rather than the GENERAL list it was originaly sent to. > > I asked earlier about ways of doing an UPDATE involving a left outer > join and got some very useful feedback.
The query you posted will always be somewhat slow due to the forced join order, which is unavodable with a left outer join. However, regarding your peculiar behaviour, please post: 1) Your random_page_cost and effective_cache_size settings 2) The EXPLAIN ANALYZE of each query instead of just the EXPLAIN Thanks! -- Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
