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 1gfB5o-0003sS-3h for pgsql-hackers@arkaria.postgresql.org; Thu, 03 Jan 2019 22:03:56 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gfB5l-0000vQ-CZ for pgsql-hackers@arkaria.postgresql.org; Thu, 03 Jan 2019 22:03:53 +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 1gfB5l-0000qO-1S for pgsql-hackers@lists.postgresql.org; Thu, 03 Jan 2019 22:03:53 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gfB5h-0004ec-KL for pgsql-hackers@postgresql.org; Thu, 03 Jan 2019 22:03:51 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id x03M3h3e004160; Thu, 3 Jan 2019 17:03:43 -0500 From: Tom Lane To: Peter Eisentraut cc: Andres Freund , pgsql-hackers Subject: Re: Unified logging system for command-line programs In-reply-to: References: <6a609b43-4f57-7348-6480-bd022f924310@2ndquadrant.com> <21141.1546199123@sss.pgh.pa.us> <20181231155557.7mokxwg7fnvoxd4a@alap3.anarazel.de> <841dd9fb-3550-dce0-e9ff-8f64cac9f15d@2ndquadrant.com> <20190103180315.o4gh3id5quh5aebc@alap3.anarazel.de> <6174.1546549274@sss.pgh.pa.us> Comments: In-reply-to Peter Eisentraut message dated "Thu, 03 Jan 2019 22:38:17 +0100" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <4158.1546553023.1@sss.pgh.pa.us> Date: Thu, 03 Jan 2019 17:03:43 -0500 Message-ID: <4159.1546553023@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Peter Eisentraut writes: > On 03/01/2019 22:01, Tom Lane wrote: >> while ereport(ERROR) has the >> effect of writing a message and then calling exit(1). > The problem is that in majority of cases the FRONTEND code, as it is > written today, doesn't want to exit() after an error. Right, so for that you'd use ereport(WARNING) or LOG or whatever. We'd probably need a bit of care about which ereport levels produce exactly what output, but I don't think that's insurmountable. We do not need all the backend-side message levels to exist for frontend. regards, tom lane