> Be sure to include an ORDER BY clause. For > example, if someone else starts a query which the planner > determines > is best handled with a table scan, and that is still > running when you > issue your INSERT/SELECT, your query will join the current > scan at > it's point of progress, and "wrap around" when it hits the > end. Also, > there would be no guarantee of what order the child tables > were read. Isn't it going to be much slower? I'm asking because I could get away in my case without the order by, I guess: I'm not trying to create a completely clustered table. The important thing is that most of the records are stored "close" enough one to the other in the right order. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance