docs: Fix protocol version 3.2 message format of CancelRequest

Magnus Hagander <magnus@hagander.net>

Commit: d3ba50db48e66be8804b9edf093b0f921d625425
Author: Magnus Hagander <magnus@hagander.net>
Date: 2025-10-13T13:31:25Z
docs: Fix protocol version 3.2 message format of CancelRequest

Since protocol version 3.2 the CancelRequest does not have a fixed size
length anymore. The protocol docs still listed the length field to be a
constant number though. This fixes that.

Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Reported-by: Dmitry Igrishin <dmitigr@gmail.com>
Backpatch-through: 18

Files

PathChange+/−
doc/src/sgml/protocol.sgml modified +1 −1