Re: Extensible executor nodes for preparation of SQL/MED
Itagaki Takahiro <itagaki.takahiro@gmail.com>
From: Itagaki Takahiro <itagaki.takahiro@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-11-17T07:13:36Z
Lists: pgsql-hackers
On Wed, Nov 17, 2010 at 10:51, Itagaki Takahiro <itagaki.takahiro@gmail.com> wrote: > On Wed, Nov 17, 2010 at 03:36, Robert Haas <robertmhaas@gmail.com> wrote: >> On Tue, Nov 16, 2010 at 1:28 PM, Tom Lane <tgl@sss.pgh.pa.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. I tested simplified version, but I cannot see measurable performance improvement at this time. So, I'll turn down the whole proposal to use function pointer calls. I'm sorry for all the fuss. -- Itagaki Takahiro