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 1kVIFB-0001gZ-6y for pgsql-hackers@arkaria.postgresql.org; Wed, 21 Oct 2020 17:49:49 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1kVIEc-0001ak-V3 for pgsql-hackers@arkaria.postgresql.org; Wed, 21 Oct 2020 17:49:14 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kVIEb-0001ad-37 for pgsql-hackers@lists.postgresql.org; Wed, 21 Oct 2020 17:49:14 +0000 Received: from out2-smtp.messagingengine.com ([66.111.4.26]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kVIEY-00020P-EG for pgsql-hackers@postgresql.org; Wed, 21 Oct 2020 17:49:12 +0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 3A4505C003D; Wed, 21 Oct 2020 13:49:09 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Wed, 21 Oct 2020 13:49:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm2; bh=mysfeJRpIXNdY8RMHqbL1NgVUxC 7d8Ytd6Av8f4kcRQ=; b=ZBANDdwYRDq/0sCRGJiY/72gF93PkckevbQ7HmqOYKd cUc+zWlr8kTXx7xodMfsx7wpBNwELnM5Jp/xIInEQ3ZDhdSGDid/6yPbHxAVhH1U uras0V4wzeuOtj2f0yFxL6KMxQBFzCbhOOKO4dbomE72lBWo5mPCDJzghUJxE05K Z6kqIXyKMFGxXH/4Tin32l69swj3zD+n1yexyvLpLP2L3RsCkCQd0fwTnWMWrzhz tHtqgeDGW6lgf92BmnkrjwsAPBiZPuanQT0V4TBPu+09/O4u1ZudhbdacHLpsNcp VFSyggEFXN6GlYLFrwlg5/gvICmvIFHVMPPCAL9ju8Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=mysfeJ RpIXNdY8RMHqbL1NgVUxC7d8Ytd6Av8f4kcRQ=; b=Lxf1sOfNaSn7Pa9SPVOxKk SziEJf3mLh7lp+5bZv2H+8lrCC+hbhJb8hVCsuxM307wfQajz+MM1EbwLH7J5XGX 4AU4omxRquK2vakH2eeMQ7IlGEImd2B8YXQ8iXLcajXgmDTVqJEnEggMgzl4zTnE 12aaxGaMidAR0ELtWhd+aL+Hdyc9ysbSUOrQXEv+pyjzEKhyW8VVT9KdTIZaKYLL u3ONyz6vz5+QtydyB1w3eUaE5jXW3qXONHqV4wNFwk8R1NEfruiySH9jK4nQFo/Q 6UwZN91czLTq4IlJTeHtpPm+LMeTf0mjZnsLKjr++pj/bZZ6zzOFd2UsF16dT1vw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrjeehgdduudekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeetnhgurhgv shcuhfhrvghunhguuceorghnughrvghssegrnhgrrhgriigvlhdruggvqeenucggtffrrg htthgvrhhnpedukefhkeelueegveetheelffffjeegleeuudelfeefuedtleffueejfffh ueffudenucfkphepieejrdduiedtrddvudejrddvhedtnecuvehluhhsthgvrhfuihiivg eptdenucfrrghrrghmpehmrghilhhfrhhomheprghnughrvghssegrnhgrrhgriigvlhdr uggv X-ME-Proxy: Received: from intern.anarazel.de (c-67-160-217-250.hsd1.ca.comcast.net [67.160.217.250]) by mail.messagingengine.com (Postfix) with ESMTPA id 7E09E3064682; Wed, 21 Oct 2020 13:49:08 -0400 (EDT) Date: Wed, 21 Oct 2020 10:49:07 -0700 From: Andres Freund To: Dave Cramer Cc: Jack Christensen , Shay Rojansky , Peter Eisentraut , pgsql-hackers , Vladimir Sitnikov , Mark Paluch Subject: Re: dynamic result sets support in extended query protocol Message-ID: <20201021174907.xwasytahfutnrqdz@alap3.anarazel.de> References: <20201009184625.4hfgpcxzd6jfredb@alap3.anarazel.de> <20201009185902.2hrednanwa7dxout@alap3.anarazel.de> <26d034cc-d4af-e2f8-72b8-f23fea9320ed@2ndquadrant.com> <20201021000913.we7nsvpiokbq2nzt@alap3.anarazel.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Hi, On 2020-10-20 20:17:45 -0400, Dave Cramer wrote: > You are correct we are not talking about a whole new protocol, but why not ? > Seems to me we would have a lot more latitude to get it right if we didn't > have this limitation. A new protocol will face a much bigger adoption hurdle, and there's much stuff that we'll want to do that we'll have a hard time ever getting off the ground. Whereas opt-in extensions are much easier to get off the ground. Greetings, Andres Freund