Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1so9wJ-008jvz-4l for pgsql-general@arkaria.postgresql.org; Tue, 10 Sep 2024 23:06:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1so9wI-004BNi-OS for pgsql-general@arkaria.postgresql.org; Tue, 10 Sep 2024 23:06:26 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1so9wI-004BNU-BY for pgsql-general@lists.postgresql.org; Tue, 10 Sep 2024 23:06:26 +0000 Received: from smtp67.iad3b.emailsrvr.com ([146.20.161.67]) by makus.postgresql.org with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1so9wB-000XRF-EU for pgsql-general@postgresql.org; Tue, 10 Sep 2024 23:06:24 +0000 X-Auth-ID: xof@thebuild.com Received: by smtp1.relay.iad3b.emailsrvr.com (Authenticated sender: xof-AT-thebuild.com) with ESMTPSA id 91EBD60265; Tue, 10 Sep 2024 19:06:18 -0400 (EDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.600.62\)) Subject: Re: Overlapping values (?) in multi-column partitioned tables From: Christophe Pettus In-Reply-To: Date: Tue, 10 Sep 2024 16:05:47 -0700 Cc: pgsql-general Content-Transfer-Encoding: quoted-printable Message-Id: <7A1E70B8-D213-4A5D-88AD-8AD634A10576@thebuild.com> References: <2FAC43EB-7E04-476A-BEBE-39CDBCA0EDCC@thebuild.com> To: Laurenz Albe X-Mailer: Apple Mail (2.3774.600.62) X-Classification-ID: 8911b0a2-bfaa-4929-9253-22323bbb4868-1-1 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Sep 10, 2024, at 15:57, Laurenz Albe = wrote: > So the upper limit of the first partition is strictly bigger than the = lower end > of the second partition. >=20 > "record" types have the same lexicographical sorting order as ORDER BY = clauses. Ah, OK, got it. I was thinking of them as a points on a plane, which = was misleading. Thanks!=