pgsql: docs: Link to the correct protocol version inspection function

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: docs: Link to the correct protocol version inspection function
Date: 2025-10-30 10:06:28
Message-ID: E1vEPY4-004E2N-0G@gemulon.postgresql.org
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docs: Link to the correct protocol version inspection function

The docs for max_protocol_version suggested PQprotocolVersion()
instead of PQfullProtocolVersion() to find out the exact protocol
version. Since PQprotocolVersion() only returns the major protocol
version, that is bad advice.

Author: Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>
Reviewed-by: Shinya Kato <shinya11(dot)kato(at)gmail(dot)com>
Discussion: https://www.postgresql.org/message-id/flat/CAGECzQSKFxQsYAgr11PhdOr-RtPZEdAXZnHx6U3avLuk3xQaTQ%40mail.gmail.com

Branch
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REL_18_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/fa78e5bea53a3096d1df7d1b2d7cbd58d15a9b7a

Modified Files
--------------
doc/src/sgml/libpq.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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