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 0C2E2200D2B for ; Thu, 2 Nov 2017 21:42:11 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 0ACF3160BE5; Thu, 2 Nov 2017 20:42:11 +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 299111609EB for ; Thu, 2 Nov 2017 21:42:10 +0100 (CET) Received: (qmail 41717 invoked by uid 500); 2 Nov 2017 20:42:04 -0000 Mailing-List: contact dev-help@phoenix.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@phoenix.apache.org Delivered-To: mailing list dev@phoenix.apache.org Received: (qmail 41706 invoked by uid 99); 2 Nov 2017 20:42:04 -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; Thu, 02 Nov 2017 20:42:04 +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 863AB1A4EE2 for ; Thu, 2 Nov 2017 20:42:03 +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 fi-DUpkbC_AN for ; Thu, 2 Nov 2017 20:42:02 +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 B5AA660EF1 for ; Thu, 2 Nov 2017 20:42:01 +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 03791E0F1C for ; Thu, 2 Nov 2017 20:42:01 +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 701082415D for ; Thu, 2 Nov 2017 20:42:00 +0000 (UTC) Date: Thu, 2 Nov 2017 20:42:00 +0000 (UTC) From: "James Taylor (JIRA)" To: dev@phoenix.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (PHOENIX-4287) Incorrect aggregate query results when stats are disable for parallelization MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 02 Nov 2017 20:42:11 -0000 [ https://issues.apache.org/jira/browse/PHOENIX-4287?page=3Dcom.atlassi= an.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D16= 236557#comment-16236557 ]=20 James Taylor commented on PHOENIX-4287: --------------------------------------- I thought we didn=E2=80=99t have a way of setting properties on indexes? > Incorrect aggregate query results when stats are disable for parallelizat= ion > -------------------------------------------------------------------------= --- > > Key: PHOENIX-4287 > URL: https://issues.apache.org/jira/browse/PHOENIX-4287 > Project: Phoenix > Issue Type: Bug > Affects Versions: 4.12.0 > Environment: HBase 1.3.1 > Reporter: Mujtaba Chohan > Assignee: Samarth Jain > Priority: Major > Labels: localIndex > Fix For: 4.13.0, 4.12.1 > > Attachments: PHOENIX-4287.patch, PHOENIX-4287_addendum.patch, PHO= ENIX-4287_addendum2.patch, PHOENIX-4287_addendum3.patch, PHOENIX-4287_adden= dum4.patch, PHOENIX-4287_v2.patch, PHOENIX-4287_v3.patch, PHOENIX-4287_v3_w= ip.patch, PHOENIX-4287_v4.patch > > > With {{phoenix.use.stats.parallelization}} set to {{false}}, aggregate qu= ery returns incorrect results when stats are available. > With local index and stats disabled for parallelization: > {noformat} > explain select count(*) from TABLE_T; > +------------------------------------------------------------------------= -------------------------------+-----------------+----------------+--------= ---+ > | PLAN = | EST_BYTES_READ | EST_ROWS_READ | EST_IN= FO | > +------------------------------------------------------------------------= -------------------------------+-----------------+----------------+--------= ---+ > | CLIENT 0-CHUNK 332170 ROWS 625043899 BYTES PARALLEL 0-WAY RANGE SCAN OV= ER TABLE_T [1] | 625043899 | 332170 | 150792825 | > | SERVER FILTER BY FIRST KEY ONLY = | 625043899 | 332170 | 1507928= 25 | > | SERVER AGGREGATE INTO SINGLE ROW = | 625043899 | 332170 | 1507928= 25 | > +------------------------------------------------------------------------= -------------------------------+-----------------+----------------+--------= ---+ > select count(*) from TABLE_T; > +-----------+ > | COUNT(1) | > +-----------+ > | 0 | > +-----------+ > {noformat} > Using data table > {noformat} > explain select /*+NO_INDEX*/ count(*) from TABLE_T; > +------------------------------------------------------------------------= --------------------------+-----------------+----------------+-------------= ---+ > | PLAN = | EST_BYTES_READ | EST_ROWS_READ | EST_INFO_TS= | > +------------------------------------------------------------------------= --------------------------+-----------------+----------------+-------------= ---+ > | CLIENT 2-CHUNK 332151 ROWS 438492470 BYTES PARALLEL 1-WAY FULL SCAN OVE= R TABLE_T | 438492470 | 332151 | 1507928257617 | > | SERVER FILTER BY FIRST KEY ONLY = | 438492470 | 332151 | 150792825761= 7 | > | SERVER AGGREGATE INTO SINGLE ROW = | 438492470 | 332151 | 150792825761= 7 | > +------------------------------------------------------------------------= --------------------------+-----------------+----------------+-------------= ---+ > select /*+NO_INDEX*/ count(*) from TABLE_T; > +-----------+ > | COUNT(1) | > +-----------+ > | 14 | > +-----------+ > {noformat} > Without stats available, results are correct: > {noformat} > explain select /*+NO_INDEX*/ count(*) from TABLE_T; > +----------------------------------------------------------------------+-= ----------------+----------------+--------------+ > | PLAN | = EST_BYTES_READ | EST_ROWS_READ | EST_INFO_TS | > +----------------------------------------------------------------------+-= ----------------+----------------+--------------+ > | CLIENT 2-CHUNK PARALLEL 1-WAY FULL SCAN OVER TABLE_T | null = | null | null | > | SERVER FILTER BY FIRST KEY ONLY | = null | null | null | > | SERVER AGGREGATE INTO SINGLE ROW | = null | null | null | > +----------------------------------------------------------------------+-= ----------------+----------------+--------------+ > select /*+NO_INDEX*/ count(*) from TABLE_T; > +-----------+ > | COUNT(1) | > +-----------+ > | 333327 | > +-----------+ > {noformat} -- This message was sent by Atlassian JIRA (v6.4.14#64029)