Date: Tue, 23 Dec 2025 18:23:07 -0500
From: Bruce Momjian <bruce@momjian.us>
To: Bernice Southey <bernice.southey@gmail.com>
Cc: pgsql-docs@lists.postgresql.org
Subject: Re: More guidance on ctid
Message-ID: <aUskW-srPCWXpi2R@momjian.us>
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On Tue, Dec 23, 2025 at 10:27:55PM +0000, Bernice Southey wrote:
> Bruce Momjian <bruce@momjian.us> wrote:
> > Uh, where did you see that?  I found the original thread and I don't see
> > any mention of a warning, or not wanting a warning:
> I meant about all the other stuff (order by and limit etc). At one
> point the patch had more duplication across update and delete.
> 
> > I feel we need a warning specifically because people will find this
> > query, particularly in the very visible UPDATE/DELETE man pages, and not
> > realize ctid only has a few save use-cases.
> Yes.
> I only queried adding it to both because I remembered the original
> thread. I agree the visibility of the duplicate warning is better.
> 
> [From the thread]
> > > It is similar, but the idea here is to aid in discovery. A user might miss the
> > > technique for update if it's only documented in delete, and even if they did see
> > > it there, they might not realize that it works for both UPDATE and DELETE.
> > > We could make reference links from one to the other, but that seems like extra
> > > work for the reader.
> > I don't agree with bloating the documentation with redundant examples just
> > to save a user a click. I like the idea of a link

Okay, let's give it another 12 hours and I will apply it tomorrow,
thanks.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.