On Wed, 2009-05-27 at 19:53 -0400, Douglas Alan wrote:
> We have a very large table (150 million rows) where the rows are not
> in a random order. Some common queries will have millions of results,
> and this of course is slow. For an interactive interface to the
> database, we want to put a limit on all queries so that queries will
> return quickly even if there are millions of results.
Partition the table, then scan the correct partition.
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support