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 18B0210E22 for ; Mon, 29 Dec 2014 19:49:22 +0000 (UTC) Received: (qmail 31402 invoked by uid 500); 29 Dec 2014 19:49:15 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 31224 invoked by uid 500); 29 Dec 2014 19:49:15 -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 31150 invoked by uid 500); 29 Dec 2014 19:49:15 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 31136 invoked by uid 99); 29 Dec 2014 19:49:15 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 29 Dec 2014 19:49:15 +0000 Date: Mon, 29 Dec 2014 19:49:14 +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: ---------------------------------- Attachment: (was: HIVE-9039.08.patch) > 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)