On Fri, Jul 1, 2011 at 3:27 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Jon Nelson <jnelson+pgsql@jamponi.net> writes:
>> With 8.4.7, I ran into an issue trying to explain a VIEW query.
>> After much effort, I distilled the query down and was able to
>> replicate the issue with a test script, included below.
>
> FWIW, I can't reproduce such a failure with current 8.4 branch (nor any
> other). =C2=A0It's possible this has been fixed since 8.4.7, but I don't
> immediately see any commit log entries that look related. =C2=A0Another
> possibility is that there's something nondefault about your environment,
> for instance nondefault values for planner cost parameters, and the
> example depends on those to work (or rather, not work).
I managed to reproduce the problem on 9.0.3 as well.
Try adding:
set enable_mergejoin =3D false;
--=20
Jon