Re: *very* inefficient choice made by the planner (regarding

On Thu, 10 Jun 2004, Frank van Vugt wrote:

> Could anybody explain why the planner is doing what it is doing?
>
> What could I do to make it easier to choose a better plan?

You might try raising sort_mem to see if it chooses a better plan.  I
think it may be guessing that the hash won't fit and falling back to the
plan you were getting.