From issues-return-17777-archive-asf-public=cust-asf.ponee.io@kylin.apache.org Wed May 30 08:56:03 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 2073418063B for ; Wed, 30 May 2018 08:56:02 +0200 (CEST) Received: (qmail 29587 invoked by uid 500); 30 May 2018 06:56:02 -0000 Mailing-List: contact issues-help@kylin.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@kylin.apache.org Delivered-To: mailing list issues@kylin.apache.org Received: (qmail 29578 invoked by uid 99); 30 May 2018 06:56:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 30 May 2018 06:56:02 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id C017CCD671 for ; Wed, 30 May 2018 06:56:01 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -110.301 X-Spam-Level: X-Spam-Status: No, score=-110.301 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id Q9k6mqp_xMcS for ; Wed, 30 May 2018 06:56:01 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id DAE805F4A1 for ; Wed, 30 May 2018 06:56:00 +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 6EA0BE0360 for ; Wed, 30 May 2018 06:56:00 +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 2152421095 for ; Wed, 30 May 2018 06:56:00 +0000 (UTC) Date: Wed, 30 May 2018 06:56:00 +0000 (UTC) From: "Yifei Wu (JIRA)" To: issues@kylin.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (KYLIN-3392) support NULL value in Sum, Max, Min Aggregation MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/KYLIN-3392?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1649= 4768#comment-16494768 ]=20 Yifei Wu commented on KYLIN-3392: --------------------------------- [~albertoramon] you mean this issue KYLIN_2049 > support NULL value in Sum, Max, Min Aggregation > ----------------------------------------------- > > Key: KYLIN-3392 > URL: https://issues.apache.org/jira/browse/KYLIN-3392 > Project: Kylin > Issue Type: Bug > Reporter: Yifei Wu > Assignee: Yifei Wu > Priority: Major > > It is treated as 0 when confronted with NULL value in KYLIN's basic aggre= gate measure (like sum, max, min). However, to distinguish the NULL value w= ith 0 is very necessary. > It should=C2=A0be like this > *sum(null, null) =3D null* > *sum(null, 1) =3D 1* > *max(null, null) =3D null* > *max(null, -1) =3D -1* > *min(null, -1=EF=BC=89=3D -1* > =C2=A0in accordance with Hive and SparkSQL -- This message was sent by Atlassian JIRA (v7.6.3#76005)