Re: WIP: Join push-down for foreign tables

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Shigeru Hanada <shigeru.hanada@gmail.com>, Kohei KaiGai <kaigai@kaigai.gr.jp>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2011-10-10T16:58:51Z
Lists: pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> This might be out of left field, but wouldn't it make more sense to
> get postgresql_fdw committed first, and then add the join push-down
> functionality afterwards?  I mean, otherwise, we're going to be left
> with a situation where we have join pushdown in core, but the only FDW
> that can actually make use of it elsewhere.

There's likely to be a lot of FDW infrastructure that will not be
exercised by anything in core or contrib ...

			regards, tom lane