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Re: Non-superuser subscription owners

Amit Kapila <amit.kapila16@gmail.com>

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From: Amit Kapila <amit.kapila16@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Jeff Davis <pgsql@j-davis.com>, Andres Freund <andres@anarazel.de>, Mark Dilger <mark.dilger@enterprisedb.com>, Andrew Dunstan <andrew@dunslane.net>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2023-04-11T09:53:18Z
Lists: pgsql-hackers

Attachments

On Mon, Apr 10, 2023 at 9:15 PM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Sat, Apr 8, 2023 at 1:35 AM Amit Kapila <amit.kapila16@gmail.com> wrote:
> > Do we need to have a check for this new option "password_required" in
> > maybe_reread_subscription() where we "Exit if any parameter that
> > affects the remote connection was changed."? This new option is
> > related to the remote connection so I thought it is worth considering
> > whether we want to exit and restart the apply worker when this option
> > is changed.
>
> Hmm, good question. I think that's probably a good idea. If the
> current connection is already working, the only possible result of
> getting rid of it and trying to create a new one is that it might now
> fail instead, but someone might want that behavior. Otherwise, they'd
> instead find the failure at a later, maybe less convenient, time.
>

I think additionally, we should check that the new owner of the
subscription is not a superuser, otherwise, anyway, this parameter is
ignored. Please find the attached to add this check.

-- 
With Regards,
Amit Kapila.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Fix possible crash in tablesync worker.

  2. Display 'password_required' option for \dRs+ command.

  3. Restart the apply worker if the 'password_required' option is changed.

  4. Fix possible logical replication crash.

  5. Add new predefined role pg_create_subscription.

  6. Expand AclMode to 64 bits

  7. More cleanup of a2ab9c06ea.

  8. Respect permissions within logical replication.

  9. Improve table locking behavior in the face of current DDL.