Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oJdIT-0001Yc-NA for pgsql-admin@arkaria.postgresql.org; Thu, 04 Aug 2022 16:02:05 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1oJdIS-0002Xk-L8 for pgsql-admin@arkaria.postgresql.org; Thu, 04 Aug 2022 16:02:04 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oJdIS-0002Xa-Av for pgsql-admin@lists.postgresql.org; Thu, 04 Aug 2022 16:02:04 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oJdIQ-0001y1-Cd for pgsql-admin@postgresql.org; Thu, 04 Aug 2022 16:02:03 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id 2F82A63056; Thu, 4 Aug 2022 16:02:00 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at emo07-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo07-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VteEm79FbiJz; Thu, 4 Aug 2022 16:02:00 +0000 (UTC) Received: from smtpclient.apple (unknown [4.28.96.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailout.easymail.ca (Postfix) with ESMTPSA id B98FF6304D; Thu, 4 Aug 2022 16:01:59 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\)) Subject: Re: Determining Indexes to Rebuild on new libc From: Scott Ribe In-Reply-To: Date: Thu, 4 Aug 2022 10:01:58 -0600 Cc: Jim Mlodgenski , pgsql-admin Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Don Seiler X-Mailer: Apple Mail (2.3696.100.31) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Aug 4, 2022, at 9:48 AM, Don Seiler wrote: >=20 > So it looks like we'd have to rebuild any UUID index to be safe = anyway, which are used a lot for identifiers. *sadness intensifies* Actually, given that collation change, I'd be hesitant to assume ANY = text index was safe. Names, addresses, part #s... All can have hyphens.=