Return-Path: X-Original-To: apmail-hive-issues-archive@minotaur.apache.org Delivered-To: apmail-hive-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id AB25219074 for ; Tue, 5 Apr 2016 14:58:25 +0000 (UTC) Received: (qmail 98065 invoked by uid 500); 5 Apr 2016 14:58:25 -0000 Delivered-To: apmail-hive-issues-archive@hive.apache.org Received: (qmail 98015 invoked by uid 500); 5 Apr 2016 14:58:25 -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 97994 invoked by uid 99); 5 Apr 2016 14:58:25 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 05 Apr 2016 14:58:25 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 7D1732C1F5A for ; Tue, 5 Apr 2016 14:58:25 +0000 (UTC) Date: Tue, 5 Apr 2016 14:58:25 +0000 (UTC) From: "Aihua Xu (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-13423) Change the precison/scale for intermediate sum result for decimal datatype in GroupBy operator MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-13423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aihua Xu updated HIVE-13423: ---------------------------- Description: When we handle sum over decimal datatype in a groupby statement, it will possibly yield overflow if we use original data type. We need to change precision/scale for sum() result or give an error/warning if such change is not possible. was: When we handle sum over decimal datatype, e.g., in a groupby statement, it will possibly yield overflow if we use original data type. We need to change precision/scale for sum() result or give an error/warning if such change is not possible. > Change the precison/scale for intermediate sum result for decimal datatype in GroupBy operator > ---------------------------------------------------------------------------------------------- > > Key: HIVE-13423 > URL: https://issues.apache.org/jira/browse/HIVE-13423 > Project: Hive > Issue Type: Bug > Components: Query Processor > Affects Versions: 2.0.0 > Reporter: Aihua Xu > Assignee: Aihua Xu > > When we handle sum over decimal datatype in a groupby statement, it will possibly yield overflow if we use original data type. > We need to change precision/scale for sum() result or give an error/warning if such change is not possible. -- This message was sent by Atlassian JIRA (v6.3.4#6332)