Re: Non-superuser subscription owners

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Non-superuser subscription owners
Date: 2021-11-16 18:08:06
Message-ID: 3c9b220207b8895086887addd37d371ccd1b420b.camel@j-davis.com
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On Mon, 2021-11-01 at 10:58 -0700, Mark Dilger wrote:
> It is unclear that I can make ALTER SUBSCRIPTION..OWNER TO
> synchronous without redesigning the way workers respond to
> pg_subscription catalog updates generally. That may be a good
> project to eventually tackle, but I don't see that it is more
> important to close the race condition in an OWNER TO than for a
> DISABLE.
>
> Thoughts?

What if we just say that OWNER TO must be done by a superuser, changing
from one superuser to another, just like today? That would preserve
backwards compatibility, but people with non-superuser subscriptions
would need to drop/recreate them.

When we eventually do tackle the problem, we can lift the restriction.

Regards,
Jeff Davis

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