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 1hRLjj-00070v-Qd for pgsql-advocacy@arkaria.postgresql.org; Thu, 16 May 2019 19:08:16 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1hRLji-000290-7r for pgsql-advocacy@arkaria.postgresql.org; Thu, 16 May 2019 19:08:14 +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 1hRLjh-00028s-Tc for pgsql-advocacy@lists.postgresql.org; Thu, 16 May 2019 19:08:14 +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 1hRLje-0005o2-Lv for pgsql-advocacy@lists.postgresql.org; Thu, 16 May 2019 19:08:13 +0000 Received: by mail-qt1-x841.google.com with SMTP id k24so5241877qtq.7 for ; Thu, 16 May 2019 12:08:10 -0700 (PDT) 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=7JYUAkZrV8jktaht4CX5Rbzp7h/yXcK/KTUtAuXNtL0=; b=rb6M/cnxXWpzt7aLMnHgItFkr1MRioUw6KV9mS4sI0S045SPsJ3atYFl0UULhA2g6q AgS2QnCozOQIV9uxWm8LL3RbHVdzO1GSEcQXs/EsdwAQbjxREto9tdsu251e0E2Q1i34 9MWTQvcNLWJ/PaDXDG6K9UE8UJGjB4/XgQ8hWoifL20qCLVSSQ/etNk00HzM1r98HxUL CJb2ZNscCo48rS+jC+y9U/7DzSVgHv46ZaXA5Y0PV3qPxgK1shVBkPplItFqltY13dYj gRWQBU6xGoJb1meHFsl7sZ5r1JyvJeTlDjMAKHFwh+OgHpRHWMdrjam3eG/tVoQ3PoFS oRBA== 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=7JYUAkZrV8jktaht4CX5Rbzp7h/yXcK/KTUtAuXNtL0=; b=Mcq2cvdTqAMQi7ZDoDghgfdnqHkpgE2ldcNZJC41TfFea+okvduJRciFHNNlfBremz 1KrdJPIh80XH60YtnznDZFKz45bj6dH/dxCxicQGncgbB9jTDP2jyqEuqZAWqv8gILz4 eMX+n/bxGZ3P6q0aux3RQNj3tYFCpNwmEAALWNeD2AnXcl2M+/BXdKcvOVUx0cIziWXg 3B/dW0IF+8kCfMsNQria7WtsQ2EoWmrG8ANw3q+lV4kwpn3e4mbi5KnOOlVvpkltsfBq bCZhzLbQL6yEqHJFGl6r6hYQbxlMh84yvhdPvKowQLcRLBFx2K0A9N7svsdV07kLUnwk qNVA== X-Gm-Message-State: APjAAAUvOSqZMMiGh5E50ZoTDU6Z0yg5jCznkzQDK5aiPQcdAlF9VqF5 KKTnTCsRmKcDqnJUFDWYxcSzuw== X-Google-Smtp-Source: APXvYqwORRA1BX4aE+4tzRaOuoMZNt/RCj5jEHlTXsutAC6YG0aslntsWbZ0WcqAmKPpVUWGpcAObw== X-Received: by 2002:a0c:df0d:: with SMTP id g13mr26732197qvl.216.1558033689128; Thu, 16 May 2019 12:08:09 -0700 (PDT) Received: from nimloth.alvh.no-ip.org ([179.56.30.197]) by smtp.gmail.com with ESMTPSA id x127sm1539377qka.31.2019.05.16.12.08.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 16 May 2019 12:08:08 -0700 (PDT) Received: by nimloth.alvh.no-ip.org (Postfix, from userid 1000) id 2CB431209C5; Thu, 16 May 2019 15:08:06 -0400 (-04) Date: Thu, 16 May 2019 15:08:06 -0400 From: Alvaro Herrera To: Bruce Momjian Cc: Amit Langote , David Rowley , "Jonathan S. Katz" , pgsql-advocacy@lists.postgresql.org Subject: Re: PostgreSQL 12: Feature Highlights Message-ID: <20190516190806.GA14121@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190516182628.kbkiajfnlooocgyg@momjian.us> User-Agent: Mutt/1.9.4 (2018-02-28) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2019-May-16, Bruce Momjian wrote: > I think the more specific we make the partition description, the more > limited it will appear to be. I think almost all partition operations > will appear to be faster with PG 12, even if users can't articulate > exactly why. I don't understand why you want to make things such black boxes. It is what it is, and some users (not all) will want to understand. People who have already tested pg11 and found it insufficient may give pg12 a second look if we tell them we have fixed the deficiencies they found. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services