Bryce Nesbitt wrote:
> > It seems pretty clear that you've never vacuumed nor analyzed these
> > tables ... else the planner would have some clue about their sizes.
> > Do that and then see what you get.
>
> They occur in fine time.  That's good, thanks.  But jeeze, can't
> postgres figure this out for itself?

I'm sure you wouldn't appreciate it if PostgreSQL did a full table scan 
before each query to figure out the total size of the involved tables.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/

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