Re: issue with synchronized_standby_slots

Shlok Kyal <shlok.kyal.oss@gmail.com>

From: Shlok Kyal <shlok.kyal.oss@gmail.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: Rahila Syed <rahilasyed90@gmail.com>, Alexander Kukushkin <cyberdemn@gmail.com>, Fabrice Chapuis <fabrice636861@gmail.com>, "Zhijie Hou (Fujitsu)" <houzj.fnst@fujitsu.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-09-23T07:29:42Z
Lists: pgsql-hackers

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 GUC check_hook validation for synchronized_standby_slots.

  2. Make invalid primary_slot_name follow standard GUC error reporting.

Attachments

On Tue, 23 Sept 2025 at 09:55, Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> On Fri, Sep 12, 2025 at 2:34 PM Shlok Kyal <shlok.kyal.oss@gmail.com> wrote:
> >
> > I have attached the updated v4 patch
> >
>
> +# Cannot be set synchronized_standby_slots to a reserved slot name
> +($result, $stdout, $stderr) = $primary->psql('postgres',
> + "ALTER SYSTEM SET synchronized_standby_slots='pg_conflict_detection'");
> +ok( $stderr =~
> +   m/WARNING:  replication slot name "pg_conflict_detection" is reserved/,
> + "Cannot use a reserverd slot name");
> +
> +# Cannot be set synchronized_standby_slots to slot name with invalid characters
> +($result, $stdout, $stderr) = $primary->psql('postgres',
> + "ALTER SYSTEM SET synchronized_standby_slots='invalid*'");
> +ok( $stderr =~
> +   m/WARNING:  replication slot name "invalid\*" contains invalid character/,
> + "Cannot use a invalid slot name");
>
> These tests can be present in some sql file. I think you have kept
> these in the .pl file to keep it along with other tests but I think
> these are better suited for some .sql file.
>
Thanks for reviewing the patch.
I have moved the tests to the guc.sql file. I have attached the updated patch.

Thanks,
Shlok Kyal