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pqcomm.h: Explicitly reserve protocol v3.1

Jacob Champion <jchampion@postgresql.org>

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Commit: f7521bf721d169c4a91e765edb52cf4d05a39c16
Author: Jacob Champion <jchampion@postgresql.org>
Date: 2026-01-23T20:57:15Z
Releases: 19 (unreleased) 
pqcomm.h: Explicitly reserve protocol v3.1

Document this unused version alongside the other special protocol
numbers.

Reviewed-by: Jelte Fennema-Nio <postgres@jeltef.nl>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CAOYmi%2BkKyw%3Dh-5NKqqpc7HC5M30_QmzFx3kgq2AdipyNj47nUw%40mail.gmail.com

Files

PathChange+/−
src/include/libpq/pqcomm.h modified +6 −0
src/interfaces/libpq/fe-protocol3.c modified +1 −1

Discussion