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 1glxfZ-0006it-6K for pgsql-hackers@arkaria.postgresql.org; Tue, 22 Jan 2019 15:08:53 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1glxfX-0002n1-U8 for pgsql-hackers@arkaria.postgresql.org; Tue, 22 Jan 2019 15:08:51 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1glxfX-0002mu-N5 for pgsql-hackers@lists.postgresql.org; Tue, 22 Jan 2019 15:08:51 +0000 Received: from mail-qt1-x841.google.com ([2607:f8b0:4864:20::841]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1glxfU-000388-W4 for pgsql-hackers@postgresql.org; Tue, 22 Jan 2019 15:08:51 +0000 Received: by mail-qt1-x841.google.com with SMTP id i7so27861455qtj.10 for ; Tue, 22 Jan 2019 07:08:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=2ndquadrant-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=BkEjkhVF4g1mUYn3MzSEbucKgNj1/b6k5RXJ2EYESXw=; b=yAtfKep85zXiUmXknL+qt6OYHoSuAGRwqxGM81P+w2kijO79E92YSwGg1jxRfXdpPa uXgDQEYIvucKDjikK+ODEUI/QE4e+dL7UPXIl1RT7psJafbwMSJvX+v+YiO2d+fQsfpY 7WNRsskYS1doNBBz9oqspprTovNw+FbZ56eDBYV/g2zJ/kJWFPVf5g+1+LrwEGP608wI nJwLR3q7WhN1igtJqHxOxT1ljRxmLy3LvOLyKVq3+sjUtPcXLuR2yPxL3TpQ9GOgfObY SkmaQBIPLl9shUtdaz1hw3D1KG0Du8n9x9E+CBDN8tWHVn1xhFYXtTlupRnbNw21EnVp F2ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=BkEjkhVF4g1mUYn3MzSEbucKgNj1/b6k5RXJ2EYESXw=; b=ErUrknKueaktAT7ywHHIcUVwDL/KimFO+Be0O55rXprOsFisijSR0NgcElR7TZWDOK aGZ6JApQtpUIxWgiqa3cYrrr2ZaMYzWwucyqhYbFwn/hd5uyBwzBsIpob4DbNafiGcyt FsKQkfXPw7AtajjWbndrjWH1WgOJMeAteje2NbTB8X/N8EOuJPklaSl1rT9iA0LFoFbM MqXvacqAppdevFL3IK8LCciUk17imXRbYhFD5tfOtuByEh4T0EchO90o4LOBsrceLwjd 6a69AUT4aW4ZuTFU2BsCVWeVFLx7vj9IzGCPok+Se6uSFVLgevrIffHaFRE9F1GmJzp2 mZOA== X-Gm-Message-State: AJcUukeNvAD6C8W6Y1sZd0ddSEaV77B9VD+cXy6exQlQv5pSHPUYdPBq cLF5Fcy1BfjrfK5bZIHUmybN8Q== X-Google-Smtp-Source: ALg8bN5dckvqAxQn7v/6D4IEJKRKDYoEhRQUtIy3HybY2+YaeIfOq78le+thwiMWIIOuAR8cO785QQ== X-Received: by 2002:aed:3ae4:: with SMTP id o91mr31979896qte.251.1548169726647; Tue, 22 Jan 2019 07:08:46 -0800 (PST) Received: from alvin.alvh.no-ip.org ([201.186.80.67]) by smtp.gmail.com with ESMTPSA id e89sm56568796qtb.78.2019.01.22.07.08.44 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 22 Jan 2019 07:08:45 -0800 (PST) Received: by alvin.alvh.no-ip.org (Postfix, from userid 1000) id 44ADE876; Tue, 22 Jan 2019 12:08:43 -0300 (-03) Date: Tue, 22 Jan 2019 12:08:43 -0300 From: Alvaro Herrera To: Surafel Temesgen Cc: David Rowley , Fabien COELHO , Dmitry Dolgov <9erthalion6@gmail.com>, PostgreSQL-development Subject: Re: pg_dump multi VALUES INSERT Message-ID: <201901221508.iyalsajklvks@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: NeoMutt/20180716-1013-2c1e88 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Nice stuff. Is it possible to avoid the special case for 0 columns by using the UNION ALL syntax I showed? -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services