Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E494A175B1 for ; Thu, 30 Oct 2014 20:47:34 +0000 (UTC) Received: (qmail 94129 invoked by uid 500); 30 Oct 2014 20:47:34 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 94053 invoked by uid 500); 30 Oct 2014 20:47:34 -0000 Mailing-List: contact dev-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 dev@hive.apache.org Received: (qmail 94040 invoked by uid 500); 30 Oct 2014 20:47:34 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 94037 invoked by uid 99); 30 Oct 2014 20:47:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 30 Oct 2014 20:47:34 +0000 Date: Thu, 30 Oct 2014 20:47:34 +0000 (UTC) From: "Gunther Hagleitner (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-8667) CBO: optimize_nullscan - some TableScans for nullscans appeared after CBO MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-8667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14190801#comment-14190801 ] Gunther Hagleitner commented on HIVE-8667: ------------------------------------------ [~sershe] - can you please attach the plan/diff fragement that you think isn't in line with the optimization? > CBO: optimize_nullscan - some TableScans for nullscans appeared after CBO > ------------------------------------------------------------------------- > > Key: HIVE-8667 > URL: https://issues.apache.org/jira/browse/HIVE-8667 > Project: Hive > Issue Type: Sub-task > Components: CBO > Reporter: Sergey Shelukhin > Assignee: Sergey Shelukhin > Fix For: 0.15.0 > > > Looks like some rewriting by CBO prevents nullscans from being optimized. -- This message was sent by Atlassian JIRA (v6.3.4#6332)