Re: Add 'worker_type' to pg_stat_subscription

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: Peter Smith <smithpb2250(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Add 'worker_type' to pg_stat_subscription
Date: 2023-09-07 22:28:34
Message-ID: 20230907222834.GA707471@nathanxps13
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On Thu, Sep 07, 2023 at 12:36:29PM +1200, Peter Smith wrote:
> Modified as suggested. PSA v3.

Thanks. I've attached v4 with a couple of small changes. Notably, I've
moved the worker_type column to before the pid column, as it felt more
natural to me to keep the PID columns together. I've also added an
elog(ERROR, ...) for WORKERTYPE_UNKNOWN, as that seems to be the standard
practice elsewhere. That being said, are we absolutely confident that this
really cannot happen? I haven't looked too closely, but if there is a
small race or something that could cause us to see a worker with this type,
perhaps it would be better to actually list it as "unknown". Thoughts?

--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

Attachment Content-Type Size
v4-0001-add-worker-type-to-pg_stat_subscription.patch text/x-diff 5.2 KB

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