Re: Assert name/short_desc to prevent SHOW ALL segfault

Nathan Bossart <nathandbossart@gmail.com>

From: Nathan Bossart <nathandbossart@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Andres Freund <andres@anarazel.de>, Steve Chavez <steve@supabase.io>, pgsql-hackers@postgresql.org
Date: 2022-05-28T12:50:18Z
Lists: pgsql-hackers

Attachments

On Sat, May 28, 2022 at 12:26:34PM +0900, Michael Paquier wrote:
> On Fri, May 27, 2022 at 10:43:17AM -0700, Nathan Bossart wrote:
>> Makes sense.  Here's a new patch set.  0001 is the part intended for
>> back-patching, and 0002 is the rest (i.e., adding pg_attribute_nonnull()).
>> I switched to using __has_attribute to discover whether nonnull was
> 
> Okay, I have looked at 0001 this morning and applied it down to 12.
> The change in GetConfigOptionByNum() is not required in 10 and 11, as
> the strings of pg_show\all_settings() have begun to be translated in
> 12~.

Thanks!

>> supported, as that seemed cleaner.  I didn't see any need for a new
>> configure check, but maybe I am missing something.
> 
> And I've learnt today that we enforce a definition of __has_attribute
> at the top of c.h, and that we already rely on that.  So I agree that
> what you are doing in 0002 should be enough.  Should we wait until 16~
> opens for business though?  I don't see a strong argument to push
> forward with that now that we are in beta mode on HEAD.

Yeah, I see no reason that this should go into v15.  I created a new
commitfest entry so that this isn't forgotten:

	https://commitfest.postgresql.org/38/3655/

And I've reposted 0002 here so that we get some cfbot coverage in the
meantime.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Introduce pg_attribute_nonnull(...)

  2. Handle NULL for short descriptions of custom GUC variables