Re: Extensible executor nodes for preparation of SQL/MED

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Extensible executor nodes for preparation of SQL/MED
Date: 2010-11-16 18:36:16
Message-ID: AANLkTikymQyOuRUySSL24gOgey7i=W5ENR_BnjeTN7s9@mail.gmail.com
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On Tue, Nov 16, 2010 at 1:28 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> writes:
>> Here is a WIP patch to extensible executor nodes.
>
> 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.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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