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From: Igor Korot <[email protected]>
To: Julien Rouhaud <[email protected]>
Cc: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: Does WITHOUT OVERLAPS boolean stored somewhere?
Date: Sat, 28 Mar 2026 00:23:14 -0500
Message-ID: <CA+FnnTzae_L2kZL6ZqWMWtZ+mWwbKFMJMyFaEAuBS+AVBOCnWw@mail.gmail.com> (raw)
In-Reply-To: <acdheJh41B7sM2PG@jrouhaud>
References: <CA+FnnTywbXTAYp1vbPERX_q1+k1qF02RNj+tR_LNbEtMVRLB=g@mail.gmail.com>
	<acdheJh41B7sM2PG@jrouhaud>

Julien,

On Sat, Mar 28, 2026 at 12:05 AM Julien Rouhaud <[email protected]> wrote:
>
> 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.

Thank you.

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