Re: Gaps in PK sequence numbers [RESOLVED] - Mailing list pgsql-general

From Rich Shepard
Subject Re: Gaps in PK sequence numbers [RESOLVED]
Date
Msg-id f9ab3b2b-508-ddcf-f01c-3c805242ee3@appl-ecosys.com
Whole thread Raw
In response to Re: Gaps in PK sequence numbers  (Christophe Pettus <xof@thebuild.com>)
Responses Re: Gaps in PK sequence numbers [RESOLVED]
Re: Gaps in PK sequence numbers [RESOLVED]
List pgsql-general
On Mon, 10 Jun 2024, Christophe Pettus wrote:

> Strictly speaking, the sequence underlying nextval() has no idea what
> primary keys are or are not in use. It's just a transaction-ignoring
> counter that increases with each nextval() call. The only reason that
> you'd get duplicate key errors in this case are:
>
> 1. The sequence was reset to a different, lower value.
> 2. Rows were inserted that didn't use the sequence to select a primary key.

Thanks, Christophe. Is there a way to reset the sequence to the maximum
number +1? I don't recall seeing this in the postgres docs but will look
again.

Regards,

Rich



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