Re: Stability of queryid in minor versions

David Rowley <dgrowleyml@gmail.com>

From: David Rowley <dgrowleyml@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2024-04-16T02:04:22Z
Lists: pgsql-hackers

Attachments

On Tue, 16 Apr 2024 at 12:10, Michael Paquier <michael@paquier.xyz> wrote:
> Not sure that this is an improvement in clarity.  There are a few
> bullet points that treat about the instability of the query ID, and
> your patch is now mixing the query ID being different for two
> mostly-identical queries on the same host with larger conditions like
> the environment involved.  Perhaps it would be better to move the last
> sentence of the first <para> ("Furthermore, it is not safe..") with
> the part you are adding about replication in this paragraph.

Yeah, I think this is better.  I think the attached is what you mean.

It makes sense to talk about the hashing variations closer to the
object identifier part.

David

Commits

  1. Doc: document cases where queryid is stable