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 35E1C11CA0 for ; Wed, 20 Aug 2014 22:53:27 +0000 (UTC) Received: (qmail 20469 invoked by uid 500); 20 Aug 2014 22:53:26 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 20397 invoked by uid 500); 20 Aug 2014 22:53:26 -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 20385 invoked by uid 500); 20 Aug 2014 22:53:26 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 20380 invoked by uid 99); 20 Aug 2014 22:53:26 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Aug 2014 22:53:26 +0000 Date: Wed, 20 Aug 2014 22:53:26 +0000 (UTC) From: "Chao (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-7810) Insert overwrite table query has strange behavior when set hive.optimize.union.remove=true [Spark Branch] 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-7810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104736#comment-14104736 ] Chao commented on HIVE-7810: ---------------------------- Ahh, I see. Sorry I didn't pay enough attention to the other JIRA. > Insert overwrite table query has strange behavior when set hive.optimize.union.remove=true [Spark Branch] > --------------------------------------------------------------------------------------------------------- > > Key: HIVE-7810 > URL: https://issues.apache.org/jira/browse/HIVE-7810 > Project: Hive > Issue Type: Task > Components: Spark > Reporter: Na Yang > Assignee: Na Yang > > Insert overwrite table query has strange behavior when > set hive.optimize.union.remove=true > set hive.mapred.supports.subdirectories=true; > We expect the following two sets of queries return the same set of data result, but they do not. > 1) > {noformat} > insert overwrite table outputTbl1 > SELECT * FROM > ( > select key, 1 as values from inputTbl1 > union all > select * FROM ( > SELECT key, count(1) as values from inputTbl1 group by key > UNION ALL > SELECT key, 2 as values from inputTbl1 > ) a > )b; > select * from outputTbl1 order by key, values; > {noformat} > Below is the query result: > {noformat} > 1 1 > 1 2 > 2 1 > 2 2 > 3 1 > 3 2 > 7 1 > 7 2 > 8 2 > 8 2 > 8 2 > {noformat} > 2) > {noformat} > SELECT * FROM > ( > select key, 1 as values from inputTbl1 > union all > select * FROM ( > SELECT key, count(1) as values from inputTbl1 group by key > UNION ALL > SELECT key, 2 as values from inputTbl1 > ) a > )b order by key, values; > {noformat} > Below is the query result: > {noformat} > 1 1 > 1 1 > 1 2 > 2 1 > 2 1 > 2 2 > 3 1 > 3 1 > 3 2 > 7 1 > 7 1 > 7 2 > 8 1 > 8 1 > 8 2 > 8 2 > 8 2 > {noformat} > Some data is missing in the first set of query result. -- This message was sent by Atlassian JIRA (v6.2#6252)