Re: postgres_fdw vs. force_parallel_mode on ppc

From: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Noah Misch <noah(at)leadboat(dot)com>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Simon Riggs <simon(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: postgres_fdw vs. force_parallel_mode on ppc
Date: 2016-02-24 07:29:58
Message-ID: CAEepm=25q3m-7p5q+NpHzgbVP5cvRwujC+YxRZQ=2DXyvFLPnA@mail.gmail.com
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On Wed, Feb 24, 2016 at 5:48 PM, Thomas Munro
<thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> Here is a first pass at that. [...]

On Wed, Feb 24, 2016 at 1:23 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> file_fdw is parallel-safe, ...

And here is a patch to apply on top of the last one, to make file_fdw
return true. But does it really work correctly under parallelism?

--
Thomas Munro
http://www.enterprisedb.com

Attachment Content-Type Size
file-fdw-parallel-safe.patch application/octet-stream 1.2 KB

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