On Wed, Nov 17, 2010 at 03:36, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Tue, Nov 16, 2010 at 1:28 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I am of the opinion that a run-time-extensible set of plan node types
>> is merest fantasy. We will never have that, so putting in place 5%
>> of the infrastructure for it is a waste of time and notational
>> complexity.
>
> I think I agree; and moreover there's been no compelling argument made
> why we would need that for SQL/MED anyway.
I see. I'll cut useless parts from my patch.
--
Itagaki Takahiro