Return-Path: Delivered-To: apmail-hive-dev-archive@www.apache.org Received: (qmail 23712 invoked from network); 20 Nov 2010 01:41:05 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 20 Nov 2010 01:41:05 -0000 Received: (qmail 72079 invoked by uid 500); 20 Nov 2010 01:41:37 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 72042 invoked by uid 500); 20 Nov 2010 01:41:37 -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 72034 invoked by uid 500); 20 Nov 2010 01:41:37 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 72031 invoked by uid 99); 20 Nov 2010 01:41:37 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 20 Nov 2010 01:41:37 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 20 Nov 2010 01:41:35 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id oAK1fDBo028819 for ; Sat, 20 Nov 2010 01:41:13 GMT Message-ID: <3914079.211351290217273633.JavaMail.jira@thor> Date: Fri, 19 Nov 2010 20:41:13 -0500 (EST) From: "Siying Dong (JIRA)" To: hive-dev@hadoop.apache.org Subject: [jira] Updated: (HIVE-1787) optimize the code path when there are no outer joins In-Reply-To: <31672496.41061289527394088.JavaMail.jira@thor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HIVE-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Siying Dong updated HIVE-1787: ------------------------------ Attachment: HIVE-1787.1.patch 1. improve CommonJoinOperator.genUniqueJoinObject() to avoid to use the explicit stack 2. if no outer join or there is no empty in any join party and 1:1 join doesn't apply, call CommonJoinOperator.genUniqueJoinObject() > optimize the code path when there are no outer joins > ---------------------------------------------------- > > Key: HIVE-1787 > URL: https://issues.apache.org/jira/browse/HIVE-1787 > Project: Hive > Issue Type: Improvement > Components: Query Processor > Reporter: Namit Jain > Assignee: Siying Dong > Attachments: HIVE-1787.1.patch > > > Currently, outer joins and joins are handled in the same manner - a special case for no outer joins would be useful -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.