Re: Two sequences associated with one identity column

Rumpi Gravenstein <rgravens@gmail.com>

From: Rumpi Gravenstein <rgravens@gmail.com>
To: Adrian Klaver <adrian.klaver@aklaver.com>
Cc: "Colin 't Hart" <colinthart@gmail.com>, PostgreSQL General <pgsql-general@lists.postgresql.org>
Date: 2025-10-30T15:22:31Z
Lists: pgsql-general
I've seen two indexes created on the same table/column when you create a
primary key as part of table create ddl and then also run a separate create
index statement for the same table/column.

On Thu, Oct 30, 2025 at 10:42 AM Adrian Klaver <adrian.klaver@aklaver.com>
wrote:

> On 10/30/25 01:55, Colin 't Hart wrote:
> >           relname          | relnamespace | relpersistence
> > --------------------------+--------------+----------------o
> >   <sequence1>  |    524799410 | p
> >   <sequence2>  |    524799410 | p
> > (2 rows)
> >
>
> Well so much for that guess. I was exploring the idea that the sequence
> may have been unlogged at some point and you had both a logged(p) and
> unlogged(u) instance of each.
>
>
> --
> Adrian Klaver
> adrian.klaver@aklaver.com
>
>
>

-- 
Rumpi Gravenstein