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 51147200C17 for ; Fri, 27 Jan 2017 03:27:35 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 4FC8E160B58; Fri, 27 Jan 2017 02:27:35 +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 74F8F160B4C for ; Fri, 27 Jan 2017 03:27:34 +0100 (CET) Received: (qmail 28227 invoked by uid 500); 27 Jan 2017 02:27:33 -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 28218 invoked by uid 99); 27 Jan 2017 02:27:33 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 27 Jan 2017 02:27:33 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 4885AC0B7C for ; Fri, 27 Jan 2017 02:27:33 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -1.199 X-Spam-Level: X-Spam-Status: No, score=-1.199 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, KAM_LAZY_DOMAIN_SECURITY=1, RP_MATCHES_RCVD=-2.999] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id Hjq8D87KL2h6 for ; Fri, 27 Jan 2017 02:27:31 +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 2538D5F1F4 for ; Fri, 27 Jan 2017 02:27:31 +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 4A231E040D for ; Fri, 27 Jan 2017 02:27:25 +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 97EA22528F for ; Fri, 27 Jan 2017 02:27:24 +0000 (UTC) Date: Fri, 27 Jan 2017 02:27:24 +0000 (UTC) From: "Pengcheng Xiong (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-15388) HiveParser spends lots of time in parsing queries with lots of "(" MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 27 Jan 2017 02:27:35 -0000 [ https://issues.apache.org/jira/browse/HIVE-15388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-15388: ----------------------------------- Attachment: HIVE-15388.02.patch > HiveParser spends lots of time in parsing queries with lots of "(" > ------------------------------------------------------------------ > > Key: HIVE-15388 > URL: https://issues.apache.org/jira/browse/HIVE-15388 > Project: Hive > Issue Type: Improvement > Affects Versions: 2.2.0 > Reporter: Rajesh Balamohan > Assignee: Pengcheng Xiong > Attachments: HIVE-15388.01.patch, HIVE-15388.02.patch, hive-15388.stacktrace.txt > > > Branch: apache-master (applicable with previous releases as well) > Queries generated via tools can have lots of "(" for "AND/OR" conditions. This causes huge delays in parsing phase when the number of expressions are high. > e.g > {noformat} > SELECT `iata`, > `airport`, > `city`, > `state`, > `country`, > `lat`, > `lon` > FROM airports > WHERE ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((`airports`.`airport` = "Thigpen" > OR `airports`.`airport` = "Astoria Regional") > OR `airports`.`airport` = "Warsaw Municipal") > OR `airports`.`airport` = "John F Kennedy Memorial") > OR `airports`.`airport` = "Hall-Miller Municipal") > OR `airports`.`airport` = "Atqasuk") > OR `airports`.`airport` = "William B Hartsfield-Atlanta Intl") > OR `airports`.`airport` = "Artesia Municipal") > OR `airports`.`airport` = "Outagamie County Regional") > OR `airports`.`airport` = "Watertown Municipal") > OR `airports`.`airport` = "Augusta State") > OR `airports`.`airport` = "Aurora Municipal") > OR `airports`.`airport` = "Alakanuk") > OR `airports`.`airport` = "Austin Municipal") > OR `airports`.`airport` = "Auburn Municipal") > OR `airports`.`airport` = "Auburn-Opelik") > OR `airports`.`airport` = "Austin-Bergstrom International") > OR `airports`.`airport` = "Wausau Municipal") > OR `airports`.`airport` = "Mecklenburg-Brunswick Regional") > OR `airports`.`airport` = "Alva Regional") > OR `airports`.`airport` = "Asheville Regional") > OR `airports`.`airport` = "Avon Park Municipal") > OR `airports`.`airport` = "Wilkes-Barre/Scranton Intl") > OR `airports`.`airport` = "Marana Northwest Regional") > OR `airports`.`airport` = "Catalina") > OR `airports`.`airport` = "Washington Municipal") > OR `airports`.`airport` = "Wainwright") > OR `airports`.`airport` = "West Memphis Municipal") > OR `airports`.`airport` = "Arlington Municipal") > OR `airports`.`airport` = "Algona Municipal") > OR `airports`.`airport` = "Chandler") > OR `airports`.`airport` = "Altus Municipal") > OR `airports`.`airport` = "Neil Armstrong") > OR `airports`.`airport` = "Angel Fire") > OR `airports`.`airport` = "Waycross-Ware County") > OR `airports`.`airport` = "Colorado City Municipal") > OR `airports`.`airport` = "Hazelhurst") > OR `airports`.`airport` = "Kalamazoo County") > OR `airports`.`airport` = "Granville") > OR `airports`.`airport` = "Silver Springs") > OR `airports`.`airport` = "Whitford") > OR `airports`.`airport` = "Biddeford Municipal") > OR `airports`.`airport` = "Sugarloaf Regional") > OR `airports`.`airport` = "Barnes Municipal") > OR `airports`.`airport` = "Columbus Municipal") > OR `airports`.`airport` = "Battle Mountain") > OR `airports`.`airport` = "Huron County Memorial") > OR `airports`.`airport` = "New Braunfels Municipal") > OR `airports`.`airport` = "Benson Municipal") > OR `airports`.`airport` = "Curtis") > OR `airports`.`airport` = "Marlboro County") > OR `airports`.`airport` = "Broken Bow Municipal") > OR `airports`.`airport` = "Virginia Tech") > OR `airports`.`airport` = "Bryce Canyon") > OR `airports`.`airport` = "Black River Falls Area") > OR `airports`.`airport` = "Boca Raton") > OR `airports`.`airport` = "Birchwood") > OR `airports`.`airport` = "Baudette International") > OR `airports`.`airport` = "Blanding Muni") > OR `airports`.`airport` = "Bradley International") > OR `airports`.`airport` = "Morrilton Municipal") > OR `airports`.`airport` = "Igor I Sikorsky Memorial") > OR `airports`.`airport` = "Broadus") > OR `airports`.`airport` = "Laurence G Hanscom") > OR `airports`.`airport` = "Southwest Michigan Regional") > OR `airports`.`airport` = "Bethel") > OR `airports`.`airport` = "Bradford Reg") > OR `airports`.`airport` = "Scotts Bluff County") > OR `airports`.`airport` = "Boeing Field/King County Intl") > OR `airports`.`airport` = "Buffalo Municipal") > OR `airports`.`airport` = "Meadows") > OR `airports`.`airport` = "Mobile Downtown") > OR `airports`.`airport` = "Virgil I Grissom Municipal") > OR `airports`.`airport` = "Silver Bay Municipal"); > {noformat} > This query would take more than minutes to parse and compile. > Temp Workaround: If all "("s in "where" condition are removed manually, this query would complete in 2-3 seconds. > Problem exists in older versions as well (but in older versions this can make HS2 unresponsive for large amount of time, as Driver ends up taking global compiler lock in this phase). -- This message was sent by Atlassian JIRA (v6.3.4#6332)