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Re: Does WITHOUT OVERLAPS boolean stored somewhere?

Julien Rouhaud <rjuju123@gmail.com>

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From: Julien Rouhaud <rjuju123@gmail.com>
To: Igor Korot <ikorot01@gmail.com>
Cc: "pgsql-generallists.postgresql.org" <pgsql-general@lists.postgresql.org>
Date: 2026-03-28T05:04:56Z
Lists: pgsql-general 
Hi,

On Fri, Mar 27, 2026 at 11:54:12PM -0500, Igor Korot wrote:
> Hi,
> I can use WITHOUT OVERLAPS when creating the PK.
>
> But is it stored somewhere?
>
> I mean can I write a query like "SELECT without_overlaps FROM ..."
> and get the value of T/F or 1/0 which will indicate if the clause was used?

It's the conperiod attribute of pg_constraint, see
https://www.postgresql.org/docs/current/catalog-pg-constraint.html for all use
cases.