Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 1332A200D10 for ; Sun, 24 Sep 2017 12:58:06 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 118F41609E6; Sun, 24 Sep 2017 10:58:06 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 55F651609D7 for ; Sun, 24 Sep 2017 12:58:05 +0200 (CEST) Received: (qmail 38353 invoked by uid 500); 24 Sep 2017 10:58:04 -0000 Mailing-List: contact issues-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 issues@hive.apache.org Received: (qmail 38344 invoked by uid 99); 24 Sep 2017 10:58:04 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 24 Sep 2017 10:58:04 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 167891A1730 for ; Sun, 24 Sep 2017 10:58:04 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id 6LHNDHYvelq2 for ; Sun, 24 Sep 2017 10:58:02 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 403CB60D08 for ; Sun, 24 Sep 2017 10:58:02 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 79758E0B21 for ; Sun, 24 Sep 2017 10:58:01 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 4020E24232 for ; Sun, 24 Sep 2017 10:58:00 +0000 (UTC) Date: Sun, 24 Sep 2017 10:58:00 +0000 (UTC) From: "Ke Jia (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-17139) Conditional expressions optimization: skip the expression evaluation if the condition is not satisfied for vectorization engine. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Sun, 24 Sep 2017 10:58:06 -0000 [ https://issues.apache.org/jira/browse/HIVE-17139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ke Jia updated HIVE-17139: -------------------------- Attachment: HIVE-17139.14.patch > Conditional expressions optimization: skip the expression evaluation if the condition is not satisfied for vectorization engine. > -------------------------------------------------------------------------------------------------------------------------------- > > Key: HIVE-17139 > URL: https://issues.apache.org/jira/browse/HIVE-17139 > Project: Hive > Issue Type: Improvement > Reporter: Ke Jia > Assignee: Ke Jia > Attachments: HIVE-17139.10.patch, HIVE-17139.11.patch, HIVE-17139.12.patch, HIVE-17139.13.patch, HIVE-17139.13.patch, HIVE-17139.14.patch, HIVE-17139.1.patch, HIVE-17139.2.patch, HIVE-17139.3.patch, HIVE-17139.4.patch, HIVE-17139.5.patch, HIVE-17139.6.patch, HIVE-17139.7.patch, HIVE-17139.8.patch, HIVE-17139.9.patch > > > The case when and if statement execution for Hive vectorization is not optimal, which all the conditional and else expressions are evaluated for current implementation. The optimized approach is to update the selected array of batch parameter after the conditional expression is executed. Then the else expression will only do the selected rows instead of all. -- This message was sent by Atlassian JIRA (v6.4.14#64029)