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 AF5E79105 for ; Fri, 12 Dec 2014 05:14:13 +0000 (UTC) Received: (qmail 60528 invoked by uid 500); 12 Dec 2014 05:14:13 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 60427 invoked by uid 500); 12 Dec 2014 05:14:13 -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 60411 invoked by uid 500); 12 Dec 2014 05:14:13 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 60407 invoked by uid 99); 12 Dec 2014 05:14:13 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 12 Dec 2014 05:14:13 +0000 Date: Fri, 12 Dec 2014 05:14:13 +0000 (UTC) From: "Pengcheng Xiong (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-9039) Support Union Distinct 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-9039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-9039: ---------------------------------- Status: Open (was: Patch Available) > Support Union Distinct > ---------------------- > > Key: HIVE-9039 > URL: https://issues.apache.org/jira/browse/HIVE-9039 > Project: Hive > Issue Type: New Feature > Reporter: Pengcheng Xiong > Assignee: Pengcheng Xiong > Attachments: HIVE-9039.01.patch, HIVE-9039.02.patch > > > Current version (Hive 0.14) does not support union (or union distinct). It only supports union all. In this patch, we try to add this new feature by rewriting union distinct to union all followed by group by. -- This message was sent by Atlassian JIRA (v6.3.4#6332)