Re: UNION ALL has higher cost than inheritance - Mailing list pgsql-hackers

On Oct 21, 2010, at 2:17 PM, Tom Lane wrote:

> The oversight here is that we don't use appendrel planning for
> a top-level UNION ALL construct.  That didn't use to matter,
> because you always got the same stupid Append plan either way.
> Now it seems like we ought to have some more intelligence for the
> top-level SetOp case.  I smell some code refactoring coming up.

Does it smell like chicken?

Best,

David