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From: David G. Johnston <[email protected]>
To: Maxwell Dreytser <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: RowDescription for a function does not include table OID
Date: Fri, 21 Jun 2024 08:52:00 -0700
Message-ID: <CAKFQuwaoF+3VTmrxZ+xwifS6sSHbSpdLuSv2w=rRxiopWJUa_w@mail.gmail.com> (raw)
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On Fri, Jun 21, 2024 at 8:41 AM Maxwell Dreytser <
[email protected]> wrote:

> On Friday, June 21, 2024 11:28 AM David G. Johnston <
> [email protected]> wrote:
>
> > In short, the system doesn't generate the information you need, where
> you need it, to tie these pieces together.  Modifying existing elements of
> the backend protocol is not presently in the cards.
>
> From my perspective this is clearly a bug as there is no way to define a
> function in a way that provides enough data to the reader.
>

Quick search turned up this prior thread:

https://www.postgresql.org/message-id/19323.1245720832%40sss.pgh.pa.us

Based upon that unargued point the only bug here is in the documentation,
leaving the reader to assume that some effort will be made to chain
together a function returns clause to a physical table through that table's
automatically-generated composite type.  We don't and never will modify the
existing protocol message semantics in that respect.

David J.


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