Horton

Re: ReplicationSlotRelease() crashes when the instance is in the single user mode

David G. Johnston <david.g.johnston@gmail.com>

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From: "David G. Johnston" <david.g.johnston@gmail.com>
To: "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>
Cc: Michael Paquier <michael@paquier.xyz>, "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Date: 2025-02-20T02:27:11Z
Lists: pgsql-hackers 
On Wed, Feb 19, 2025 at 7:23 PM Hayato Kuroda (Fujitsu) <
kuroda.hayato@fujitsu.com> wrote:

> I intentionally used elog() because I thought single user mode is not
> user-facing.
> But it is OK for me to use ereport() instead.
>

Single-user mode is also known as "Oh crap!" mode, something used when
starting the server in multi-user model fails for non-trivial reasons.

It is also what at least one PostgreSQL Online Service (a.k.a. fiddle) uses
as an implementation choice.

David J.

Commits

  1. Fix assertion failure with replication slot release in single-user mode