Re: Add new protocol message to change GUCs for usage with future protocol-only GUCs

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: "David G. Johnston" <david.g.johnston@gmail.com>
Cc: Jelte Fennema-Nio <postgres@jeltef.nl>, Heikki Linnakangas <hlinnaka@iki.fi>, Jacob Champion <jacob.champion@enterprisedb.com>, Tom Lane <tgl@sss.pgh.pa.us>, Jacob Burroughs <jburroughs@instructure.com>, Dave Cramer <davecramer@gmail.com>, Peter Smith <smithpb2250@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, "Andrey M. Borodin" <x4mmm@yandex-team.ru>, Pavel Stehule <pavel.stehule@gmail.com>, Jeff Davis <pgsql@j-davis.com>, Peter Eisentraut <peter@eisentraut.org>, Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: 2024-08-20T16:44:05Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. libpq: Add min/max_protocol_version connection options

  2. libpq: Handle NegotiateProtocolVersion message differently

  3. Add PQfullProtocolVersion() to surface the precise protocol version.

  4. Do not hardcode PG_PROTOCOL_LATEST in NegotiateProtocolVersion

  5. libpq: Handle NegotiateProtocolVersion message

  6. Provide for forward compatibility with future minor protocol versions.

On Tue, Aug 20, 2024 at 12:42 PM David G. Johnston
<david.g.johnston@gmail.com> wrote:
> I'm wondering why we are indicating that minor versions of the protocol are even a real thing.

Because that concept is already a part of the existing wire protocol.

-- 
Robert Haas
EDB: http://www.enterprisedb.com