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 4.96) (envelope-from ) id 1wcTnl-003Nhn-11 for pgsql-hackers@arkaria.postgresql.org; Wed, 24 Jun 2026 20:02:25 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wcTnj-002HMo-2I for pgsql-hackers@arkaria.postgresql.org; Wed, 24 Jun 2026 20:02:23 +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 4.96) (envelope-from ) id 1wcTnj-002HMg-1G for pgsql-hackers@lists.postgresql.org; Wed, 24 Jun 2026 20:02:23 +0000 Received: from smtp113.iad3a.emailsrvr.com ([173.203.187.113]) by makus.postgresql.org with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wcTnh-000000004lD-0kAa for pgsql-hackers@lists.postgresql.org; Wed, 24 Jun 2026 20:02:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=g001.emailsrvr.com; s=feedback; t=1782331340; bh=HrP5ojQw7JEUSIPLt77u2RPeZIMiOpoLMB++mQmW8xc=; h=Subject:From:Date:To:From; b=X+G3JxJSEYs41pkU3/hfD0b0fZcRmtvfOdASG39AH4DUM619tVm1y4es3q+BET3Ud LE0iOsGzb1rj6ukVlfb6qjefENTSG+4OdJKdq8Hm0gy1f3f2g0rlaAaKWSmSD5mzig IFdSnvE/kSWP6BDr0aqmTXgLHoWe6+xRuIUNgIrE= X-Auth-ID: xof@thebuild.com Received: by smtp15.relay.iad3a.emailsrvr.com (Authenticated sender: xof-AT-thebuild.com) with ESMTPSA id BF3A357F7; Wed, 24 Jun 2026 16:02:19 -0400 (EDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3776.700.51.11.12\)) Subject: Re: uuidv7 improperly accepts dates before 1970-01-01 From: Christophe Pettus In-Reply-To: Date: Wed, 24 Jun 2026 13:02:18 -0700 Cc: Andrey Borodin , pgsql-hackers@lists.postgresql.org, Masahiko Sawada Content-Transfer-Encoding: quoted-printable Message-Id: <18F007D6-1A33-48C8-BA51-E7A858DE0C89@thebuild.com> References: <799A70FA-6E5C-4118-99EB-2FBBE1CBAC54@thebuild.com> <966B5430-8ECD-48FA-B56F-22452D9CDBBF@yandex-team.ru> To: Baji Shaik X-Mailer: Apple Mail (2.3776.700.51.11.12) X-Classification-ID: 936f88db-1654-4bc6-803d-977103b483b4-1-1 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Jun 24, 2026, at 10:46, Masahiko Sawada = wrote: > I think we need to mention in the doc that timestamp shifting beyond > the range UUIDv7 can support is not accepted. I believe the doc patch in my original patch included that admonition. = Please feel free to grab it if you'd like.