Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cwqwR-0002K8-OL for pgsql-hackers@arkaria.postgresql.org; Sat, 08 Apr 2017 14:02:15 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1cwqwR-0001TH-8H for pgsql-hackers@arkaria.postgresql.org; Sat, 08 Apr 2017 14:02:15 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1cwqwO-0001Ko-Of for pgsql-hackers@postgresql.org; Sat, 08 Apr 2017 14:02:13 +0000 Received: from mail.thelabyrinth.net ([45.56.70.56]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1cwqwM-0004Yl-Lk for pgsql-hackers@postgresql.org; Sat, 08 Apr 2017 14:02:11 +0000 Received: from Davids-iMac.local (unknown [98.204.177.190]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dsteele) by mail.thelabyrinth.net (Postfix) with ESMTPSA id B6DFF556E0; Sat, 8 Apr 2017 14:02:09 +0000 (UTC) Subject: Re: WIP: Covering + unique indexes. To: Anastasia Lubennikova References: <56168952.4010101@postgrespro.ru> <46e1f13e-6887-3851-a525-f046029341eb@postgrespro.ru> <20170324124709.22419.51178.pgcf@coridan.postgresql.org> <20170330191138.zawsxgsxnt2qy2as@alap3.anarazel.de> <1cd37c03-fedf-4b35-75b5-711e984e240d@postgrespro.ru> Cc: Peter Geoghegan , Andres Freund , Teodor Sigaev , PostgreSQL Hackers , Anastasia Lubennikova , Peter Eisentraut , Aleksander Alekseev From: David Steele Message-ID: Date: Sat, 8 Apr 2017 10:02:09 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org On 4/4/17 2:47 PM, Peter Geoghegan wrote: > > At the very least, you should change comments to note the issue. I > think it's highly unlikely that this could ever result in a failure to > find a split point, which there are many defenses against already, but > I think I would find that difficult to prove. The intent of the code > is almost as important as the code, at least in my opinion. This submission as been Returned with Feedback. Please feel free to resubmit to a future commitfest. -- -David david@pgmasters.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers