On Thu, 30 Oct 2003, Rob Nagler wrote:
> scott.marlowe writes:
> > t2 was 'vacuum full'ed and analyzed, right? Just guessing.
>
> Fresh import. I've been told this includes a ANALYZE.
You should probably run analyze by hand just to be sure. If the planner
is using an index scan on a table with 20 rows, then it's likely it has
the default statistics for the table, not real ones.