Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id E445C200CE6 for ; Fri, 15 Sep 2017 23:33:08 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id E33481609D2; Fri, 15 Sep 2017 21:33:08 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 3D6CF1609D1 for ; Fri, 15 Sep 2017 23:33:08 +0200 (CEST) Received: (qmail 20446 invoked by uid 500); 15 Sep 2017 21:33:06 -0000 Mailing-List: contact issues-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list issues@hive.apache.org Received: (qmail 20437 invoked by uid 99); 15 Sep 2017 21:33:06 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 15 Sep 2017 21:33:06 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id F256CC40D6 for ; Fri, 15 Sep 2017 21:33:05 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id borT-h1jqfiu for ; Fri, 15 Sep 2017 21:33:05 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 31AF35FBE5 for ; Fri, 15 Sep 2017 21:33:05 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 810AAE0F1E for ; Fri, 15 Sep 2017 21:33:04 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id BF2DA25391 for ; Fri, 15 Sep 2017 21:33:03 +0000 (UTC) Date: Fri, 15 Sep 2017 21:33:03 +0000 (UTC) From: "Ashutosh Chauhan (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-17536) StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero stats MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 15 Sep 2017 21:33:09 -0000 [ https://issues.apache.org/jira/browse/HIVE-17536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168555#comment-16168555 ] Ashutosh Chauhan commented on HIVE-17536: ----------------------------------------- some explain plans has -1 which is not what user will expect. > StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero stats > ------------------------------------------------------------------------------------------- > > Key: HIVE-17536 > URL: https://issues.apache.org/jira/browse/HIVE-17536 > Project: Hive > Issue Type: Improvement > Components: Statistics > Reporter: Vineet Garg > Assignee: Vineet Garg > Attachments: HIVE-17536.1.patch, HIVE-17536.2.patch > > > This method returns zero for both of the following cases: > * Statistics are missing in metastore > * Actual stats e.g. number of rows are zero > It'll be good for this method to return e.g. -1 in absence of statistics instead of assuming it to be zero. -- This message was sent by Atlassian JIRA (v6.4.14#64029)