public inbox for [email protected]  

help / color / mirror / Atom feed

From: Tatsuo Ishii <[email protected]>
To: [email protected]
Subject: Re: Implement protocol 3.2 BackendKeyData and cancel request message
Date: Tue, 15 Jul 2025 17:52:53 +0900 (JST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

>>> Starting from PostgreSQL 18, frontend/backend protocol has been
>>> changed from 3.0 to 3.2. In the changes the BackendKeyData and query
>>> cancel message are modified to allow variable length cancel key.
>>> 
>>> This commit is a follow up to 766e73811 and implements the changes
>>> needed above. See attached patches.
>>> 
>>> With the patch we can connect to PostgreSQL 18 frontend and backend
>>> using 3.2 protocol.
>>> 
>>> Since PostgreSQL 18's psql uses 3.0 protocol by default, in order to
>>> test 3.2 protocol, you can do something like:
>>> 
>>> PGMAXPROTOCOLVERSION="3.2" psql -p 11000 test
>> 
>> Attached is the v2 patch which add more comments and some cosmetic
>> changes.
> 
> Attached is the v3 patch which fixes a compiler error.

V3 patch pushed to master branch. Thanks.
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: Implement protocol 3.2 BackendKeyData and cancel request message
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox