Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1ev1en-0005Jb-DB for pgsql-www@arkaria.postgresql.org; Sun, 11 Mar 2018 14:09:01 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1ev1em-00026J-1X for pgsql-www@arkaria.postgresql.org; Sun, 11 Mar 2018 14:09:00 +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_SHA384:256) (Exim 4.89) (envelope-from ) id 1ev1el-00026A-N6 for pgsql-www@lists.postgresql.org; Sun, 11 Mar 2018 14:08:59 +0000 Received: from out2-smtp.messagingengine.com ([66.111.4.26]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1ev1ei-0001ba-QA for pgsql-www@lists.postgresql.org; Sun, 11 Mar 2018 14:08:59 +0000 Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 0C5A42096D; Sun, 11 Mar 2018 10:08:55 -0400 (EDT) Received: from frontend2 ([10.202.2.161]) by compute7.internal (MEProxy); Sun, 11 Mar 2018 10:08:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=XePVkr aB7nv8Z6PHcIGlrduNFPr4wMceA5SmH+97ZcQ=; b=cNNYywV4iMztu2iWwsoVtE 0DUsaz1TqRmOsRpivhYiIgAaEptIOfNB8kZf1NBchttFpqMPnrc6h4Kq/v/hWg9h EeRSZo2ZxeriMN/pzL2FkW6jeqprQ1w5V7Ez5nmKqUjNEBvvkiRvArb3YSTSbVnr hsX3fXV151NkWb9p2kiBjeswv8FYdck4WszRCzStY+9399mXjetzRpulPpZdrYOQ 1SJi9R4IzjVepsN9j3mcIkQTlxBqtEjrBmb+bAe0680YiOMFwAX38tVKAPTeHvVu PhOtKfKLq34x0W5QMNgV4xyetnf2bwESySjmojKi37Rj6R5JRZI3PlT3QInSg+BA == X-ME-Sender: Received: from april.local (c-73-13-66-39.hsd1.pa.comcast.net [73.13.66.39]) by mail.messagingengine.com (Postfix) with ESMTPA id B0EB3240B6; Sun, 11 Mar 2018 10:08:54 -0400 (EDT) Subject: Re: Bogus reports from coverage.postgresql.org To: Tom Lane , pgsql-www@lists.postgresql.org References: <30022.1520642188@sss.pgh.pa.us> From: Peter Eisentraut Organization: 2ndQuadrant Message-ID: Date: Sun, 11 Mar 2018 10:08:54 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <30022.1520642188@sss.pgh.pa.us> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 3/9/18 19:36, Tom Lane wrote: > I happened to notice that if you look at > https://coverage.postgresql.org/src/backend/optimizer/util/predtest.c.gcov.html > it claims that the two occurrences of > elog(ERROR, "predicate_classify returned a bogus value"); > at lines 492 and 803 are reached. > > This would be quite astonishing if true, but it isn't true, since > the regression tests aren't reporting any such failure. > > Needless to say, this puts quite a damper on my faith in the coverage > reports. Maybe that machine needs a software update? I can't reproduce this locally, so yeah, maybe we should check whether the toolchain could be updated. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services