Re: PG18 protocol version

From: Aleksander Alekseev <aleksander(at)timescale(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Tatsuo Ishii <ishii(at)postgresql(dot)org>, postgres(at)jeltef(dot)nl
Subject: Re: PG18 protocol version
Date: 2025-06-26 12:46:15
Message-ID: CAJ7c6TP0TbHmfkVFey_em6pewXHG0J0U_KhTw1XYwrRYL2P1JQ@mail.gmail.com
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Hi,

> I meant this.
> >> - (0 for the protocol described here).
>
> With your patch the explanation that this document (Message Formats)
> is for 3.2, is gone. But maybe it's okay since "54.1.4. Protocol
> versions" already stats that the whole F/B protocol docs is for 3.2.
>
> What do you think?

I reviewed v1 and it looks OK to me.

The text gives an example on our most recent protocol version 3.2. In
the future even if we introduce 3.3 the text is still going to be
valid. This text describes StartupMessage, not all protocol versions
we support.

The problem with the current text is that it implies that the protocol
version can only be 3.0 (=196608) which is wrong.

--
Best regards,
Aleksander Alekseev

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