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 ADC34200B40 for ; Thu, 2 Jun 2016 01:03:03 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id AC6C8160A4E; Wed, 1 Jun 2016 23:03:03 +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 F3C46160A4C for ; Thu, 2 Jun 2016 01:03:02 +0200 (CEST) Received: (qmail 64224 invoked by uid 500); 1 Jun 2016 23:03:02 -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 64202 invoked by uid 99); 1 Jun 2016 23:03:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Jun 2016 23:03:02 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id C178D1805B3 for ; Wed, 1 Jun 2016 23:03:01 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -4.646 X-Spam-Level: X-Spam-Status: No, score=-4.646 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, KAM_LAZY_DOMAIN_SECURITY=1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.426] autolearn=disabled Received: from mx2-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id Z9ZpCRUWJjpG for ; Wed, 1 Jun 2016 23:03:01 +0000 (UTC) Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx2-lw-eu.apache.org (ASF Mail Server at mx2-lw-eu.apache.org) with SMTP id 2A2215FAC3 for ; Wed, 1 Jun 2016 23:03:00 +0000 (UTC) Received: (qmail 62577 invoked by uid 99); 1 Jun 2016 23:02:59 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Jun 2016 23:02:59 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 31A302C044E for ; Wed, 1 Jun 2016 23:02:59 +0000 (UTC) Date: Wed, 1 Jun 2016 23:02:59 +0000 (UTC) From: "Lars Hofhansl (JIRA)" To: dev@phoenix.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (PHOENIX-258) Use skip scan when SELECT DISTINCT on leading row key column(s) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 01 Jun 2016 23:03:03 -0000 [ https://issues.apache.org/jira/browse/PHOENIX-258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lars Hofhansl updated PHOENIX-258: ---------------------------------- Attachment: (was: 258-v15.txt) > Use skip scan when SELECT DISTINCT on leading row key column(s) > --------------------------------------------------------------- > > Key: PHOENIX-258 > URL: https://issues.apache.org/jira/browse/PHOENIX-258 > Project: Phoenix > Issue Type: Task > Reporter: ryang-sfdc > Assignee: Lars Hofhansl > Fix For: 4.8.0 > > Attachments: 258-WIP.txt, 258-v1.txt, 258-v10.txt, 258-v11.txt, 258-v12.txt, 258-v13.txt, 258-v14.txt, 258-v15.txt, 258-v2.txt, 258-v3.txt, 258-v4.txt, 258-v5.txt, 258-v6.txt, 258-v7.txt, 258-v8.txt, 258-v9.txt, 258.txt, DistinctFixedPrefixFilter.java, in-clause.png > > > create table(a varchar(32) not null, date date not null constraint pk primary key(a,date)) > [["PLAN"],["CLIENT PARALLEL 94-WAY FULL SCAN OVER foo"],[" SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [a]"],["CLIENT MERGE SORT"]] > We should skip scan. -- This message was sent by Atlassian JIRA (v6.3.4#6332)