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help / color / mirror / Atom feedFrom: Antonin Houska <[email protected]>
To: Justin Pryzby <[email protected]>
Cc: Mihail Nikalayeu <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Amit Kapila <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: Srinath Reddy Sadipiralla <[email protected]>
Cc: Matthias van de Meent <[email protected]>
Cc: [email protected]
Cc: Robert Treat <[email protected]>
Subject: Re: Adding REPACK [concurrently]
Date: Mon, 20 Apr 2026 09:44:45 +0200
Message-ID: <22189.1776671085@localhost> (raw)
In-Reply-To: <aeJHPNmL4vVy3oPw@pryzbyj2023>
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<aeJHPNmL4vVy3oPw@pryzbyj2023>
Justin Pryzby <[email protected]> wrote:
> I had trouble testing this at first:
>
> postgres=# REPACK (CONCURRENTLY) users;
> ERROR: 42501: permission denied to use replication slots
> DETAIL: Only roles with the REPLICATION attribute may use replication slots.
> CONTEXT: REPACK decoding worker
> LOCATION: CheckSlotPermissions, slot.c:1697
>
> That's surprising, since it was run as a superuser.
>
> It turns out that repack runs as the owner of the table, and the table
> *owner* needs to have REPLICATION -- regardless of who runs the command.
>
> I imagine people have been testing with one user, that both owns the
> table and invokes REPACK. Maybe this just needs to be clarified in the
> documentation/error message?
It was discussed earlier [1] and the concerns about possibly excessive
resource consumptions were addressed by [2]. So I think it the fix was just
forgotten. Attached here.
[1] https://www.postgresql.org/message-id/[email protected]
[2] https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=e76d8c749c3152657711ed733f0aea61c0e36...
--
Antonin Houska
Web: https://www.cybertec-postgresql.com
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Subject: Re: Adding REPACK [concurrently]
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