Re: Assert name/short_desc to prevent SHOW ALL segfault

From: Steve Chavez <steve(at)supabase(dot)io>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Assert name/short_desc to prevent SHOW ALL segfault
Date: 2022-05-25 05:05:55
Message-ID: CAGRrpzZ-3xhdR0q-S9Tk58fDh5=Y=j98duYNa2_-SLnfKQDe5w@mail.gmail.com
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Thank you for the reviews Nathan, Michael.

I agree with handling NULL in ShowAllGUCConfig() instead.

I've attached the updated patch.

--
Steve Chavez
Engineering at https://supabase.com/

On Tue, 24 May 2022 at 20:21, Michael Paquier <michael(at)paquier(dot)xyz> wrote:

> On Tue, May 24, 2022 at 11:41:49AM -0700, Nathan Bossart wrote:
> > I would actually ERROR on this so that we aren't relying on
> > --enable-cassert builds to catch it. That being said, if there's no
> strong
> > reason to enforce that a short description be provided, then why not
> adjust
> > ShowAllGUCConfig() to set that column to NULL when short_desc is missing?
>
> Well, issuing an ERROR on the stable branches would be troublesome for
> extension developers when reloading after a minor update if they did
> not set their short_desc in a custom GUC. So, while I'd like to
> encourage the use of short_desc, using your suggestion to make the
> code more flexible with NULL is fine by me. GetConfigOptionByNum()
> does that for long_desc by the way, meaning that we also have a
> problem there on a build with --enable-nls for short_desc, no?
> --
> Michael
>

Attachment Content-Type Size
0001-Handle-a-NULL-short_desc-in-ShowAllGUCConfig.patch text/x-patch 1.3 KB

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