Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gShaX-0005Nr-9N for pgsql-hackers@arkaria.postgresql.org; Fri, 30 Nov 2018 12:08:05 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gShaV-0000QK-WB for pgsql-hackers@arkaria.postgresql.org; Fri, 30 Nov 2018 12:08:03 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gShaV-0000N4-LZ for pgsql-hackers@lists.postgresql.org; Fri, 30 Nov 2018 12:08:03 +0000 Received: from mail.postgrespro.ru ([93.174.131.138]) by makus.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gShaS-0007Ji-So for pgsql-hackers@lists.postgresql.org; Fri, 30 Nov 2018 12:08:02 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.postgrespro.ru (Postfix) with ESMTP id 33C3221CEB0B; Fri, 30 Nov 2018 15:08:00 +0300 (MSK) X-Virus-Scanned: Debian amavisd-new at postgrespro.ru X-Spam-Flag: NO X-Spam-Score: 0 X-Spam-Level: X-Spam-Status: No, score=x tagged_above=-99 required=4 WHITELISTED tests=[] autolearn=unavailable Received: from [192.168.27.182] (gw.postgrespro.ru [93.174.131.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mail.postgrespro.ru (Postfix) with ESMTPSA id 0471821CCA4C; Fri, 30 Nov 2018 15:08:00 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=postgrespro.ru; s=mail; t=1543579680; bh=JG1mCiKNlfIU9ofXDszMnXCqbjdue37i+9RpcMhzkuw=; h=Subject:To:Cc:References:From:Date:In-Reply-To; b=YgXbWbqNu9ZpzoRsWnTgFgh6vNMnXoK7+4QUEhiSTlvV7QI4KSRvklu/kxUG86eMO 34fLmY2LRw3TX2lcIg8O16siJ+FF2NSsrGl/y1TBJtp8iExCWMHTpAOmmW+bgCs/aV aYdU4DRrahnyzqrpQx+V3JruPtqGeDG1EXZy/ZXw= Subject: Re: "SELECT ... FROM DUAL" is not quite as silly as it appears To: Tom Lane Cc: pgsql-hackers@lists.postgresql.org, Mark Dilger References: <15944.1521127664@sss.pgh.pa.us> <154342395130.2093.8013327151440360209.pgcf@coridan.postgresql.org> <154342412161.2094.14859341952034622342.pgcf@coridan.postgresql.org> <6d51c9bb-ccc6-92fd-b6ac-05f0d5546d70@postgrespro.ru> <338a18ad-344a-8e79-a950-45a41b4b2a33@postgrespro.ru> <12461.1543518787@sss.pgh.pa.us> From: Alexander Kuzmenkov Message-ID: Date: Fri, 30 Nov 2018 15:07:59 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <12461.1543518787@sss.pgh.pa.us> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 11/29/18 22:13, Tom Lane wrote: > Ooops, I had not seen this before sending v4 patch. Doesn't seem worth > posting a v5 for, but I'll be sure to fix it. Thanks for updating, v4 looks good to me. -- Alexander Kuzmenkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company