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 06DF110A58 for ; Mon, 5 Jan 2015 06:52:35 +0000 (UTC) Received: (qmail 41567 invoked by uid 500); 5 Jan 2015 06:52:35 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 41429 invoked by uid 500); 5 Jan 2015 06:52:35 -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 41156 invoked by uid 500); 5 Jan 2015 06:52:35 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 41115 invoked by uid 99); 5 Jan 2015 06:52:35 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Jan 2015 06:52:35 +0000 Date: Mon, 5 Jan 2015 06:52:34 +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, HIVE-9039.03.patch, HIVE-9039.04.patch, HIVE-9039.05.patch, HIVE-9039.06.patch, HIVE-9039.07.patch, HIVE-9039.08.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)