From: Tom Lane <tgl@sss.pgh.pa.us>
To: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: Bruce Momjian <bruce@momjian.us>
Cc: suchithjn22@gmail.com
Cc: pgsql-docs@lists.postgresql.org
Subject: Re: The documentation for storage type 'plain' actually allows single byte header
Date: Fri, 29 Sep 2023 18:45:52 -0400
Message-ID: <1421365.1696027552@sss.pgh.pa.us> (raw)
In-Reply-To: <4977c12e127250fe9777ae57f6f5884b8f5c84ae.camel@cybertec.at>
References: <167336599095.2667301.15497893107226841625@wrigleys.postgresql.org>
<d99b3e0beebdde0741d28035aaea7f4af56fa050.camel@cybertec.at>
<ZRdNjrI6lUQbD90Y@momjian.us>
<4977c12e127250fe9777ae57f6f5884b8f5c84ae.camel@cybertec.at>
Laurenz Albe <laurenz.albe@cybertec.at> writes:
> On Fri, 2023-09-29 at 18:19 -0400, Bruce Momjian wrote:
>> Where did we end with this? Is a doc patch the solution?
> I don't think this went anywhere, and a doc patch is not the solution.
> Tom has argued convincingly that single-byte headers are an effect of the TOAST
> system, and that STORAGE PLAIN should disable all effects of TOAST.
Well, that was the original idea: you could use STORAGE PLAIN if you
had C code that wasn't yet toast-aware. However, given the lack of
complaints, it seems there's no non-toast-aware code left anywhere.
And that's not too surprising, because the evolutionary pressure to
fix such code would be mighty strong, and a lot of time has passed.
I'm now inclined to think that changing the docs is better than
changing the code; we'd be more likely to create new problems than
fix anything useful.
I wonder though if there's really just one place claiming that
that's how it works. A trawl through the code comments might
be advisable.
regards, tom lane
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Cc: tgl@sss.pgh.pa.us, laurenz.albe@cybertec.at, bruce@momjian.us, suchithjn22@gmail.com, pgsql-docs@lists.postgresql.org
Subject: Re: The documentation for storage type 'plain' actually allows single byte header
In-Reply-To: <1421365.1696027552@sss.pgh.pa.us>
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