Horton

Re: Make query cancellation keys longer

Robert Haas <robertmhaas@gmail.com>

View thread View on postgr.es
From: Robert Haas <robertmhaas@gmail.com>
To: Jelte Fennema-Nio <postgres@jeltef.nl>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>, pgsql-hackers <pgsql-hackers@postgresql.org>, Thomas Munro <thomas.munro@gmail.com>
Date: 2025-02-24T17:24:01Z
Lists: pgsql-hackers 
On Sat, Feb 22, 2025 at 9:58 AM Jelte Fennema-Nio <postgres@jeltef.nl> wrote:
> My patchset in the other protocol thread needed a rebase. So I took
> that as an opportunity to rebase this patchset on top of it, because
> this seems to be the protocol change that we can most easily push over
> the finish line.

I'm still not really convinced about that -- see comments upthread --
but I committed 0001 and 0002, which appear to be straightforward bug
fixes.

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

Commits

  1. Add timingsafe_bcmp(), for constant-time memory comparison

  2. Add missing declarations to pg_config.h.in

  3. docs: Add a new section and a table listing protocol versions

  4. Make cancel request keys longer

  5. libpq: Add min/max_protocol_version connection options

  6. libpq: Handle NegotiateProtocolVersion message differently

  7. docs: Update phrase on message lengths in the protocol

  8. libpq: Trace all NegotiateProtocolVersion fields

  9. libpq: Add PQfullProtocolVersion to exports.txt

  10. Move cancel key generation to after forking the backend