Re: [HACKERS] [BUGS] BUG #14825: enum type: unsafe use?

From: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, "David E(dot) Wheeler" <david(at)justatheory(dot)com>, Christophe Pettus <christophe(dot)pettus(at)pgexperts(dot)com>, PostgreSQL Bugs <pgsql-bugs(at)postgresql(dot)org>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [HACKERS] [BUGS] BUG #14825: enum type: unsafe use?
Date: 2018-09-08 16:01:09
Message-ID: CAEepm=3-onOuhYDqjNXX+3keh689A-dtMxUgjnwnFZPu_hNShA@mail.gmail.com
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On Thu, Jan 11, 2018 at 3:01 PM Thomas Munro
<thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> So I agree with Tom's suggestion:
>
> On Wed, Oct 4, 2017 at 2:29 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Perhaps serialize the contents into an array in DSM, then rebuild a hash
> > table from that in the worker. Robert might have a better idea though.
>
> I'd happily volunteer to write or review a patch to do that. Is there
> a rebase of the stuff that got reverted, to build on?

Here is a draft patch showing the approach discussed for transmitting
enum_blacklist in parallel workers. This should be useful for
reviving the code reverted by 93a1af0b.

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

Attachment Content-Type Size
serialize-enum-blacklist.patch application/x-patch 5.4 KB

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