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Re: Non-superuser subscription owners

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Jeff Davis <pgsql@j-davis.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Mark Dilger <mark.dilger@enterprisedb.com>, Amit Kapila <amit.kapila16@gmail.com>, Andrew Dunstan <andrew@dunslane.net>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2023-03-27T17:46:38Z
Lists: pgsql-hackers 
Hi,

On 2023-03-25 12:16:35 -0700, Jeff Davis wrote:
> On Fri, 2023-03-24 at 09:24 -0400, Robert Haas wrote:
> > I certainly agree that the security model isn't in a reasonable place
> > right now. However, I feel that:
> > 
> > (1) adding an extra predefined role
> 
> > (2) even adding the connection string security stuff
> 
> I don't see how these points are related to the question of whether you
> should commit your non-superuser-subscription-owners patch or logical-
> repl-as-table-owner patch first.
> 
> 
> My perspective is that logical replication is an unfinished feature
> with an incomplete design.

I agree with that much.


>  As I said earlier, that's why I backed away from trying to do non-superuser
> subscriptions as a documented feature: it feels like we need to settle some
> of the underlying pieces first.

I don't agree. The patch allows to use logical rep in a far less dangerous
fashion than now. The alternative is to release 16 without a real way to use
logical rep less insanely. Which I think is work.


> There are some big issues, like the security model for replaying
> changes.

That seems largely unrelated.


> And some smaller issues like feature gaps (RLS doesn't work,
> if I remember correctly, and maybe something with partitioning).

Entirely unrelated?

Greetings,

Andres Freund

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.