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 EED51200BC0 for ; Tue, 15 Nov 2016 18:43:00 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id EDB0A160B03; Tue, 15 Nov 2016 17:43:00 +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 73FDD160B15 for ; Tue, 15 Nov 2016 18:43:00 +0100 (CET) Received: (qmail 5462 invoked by uid 500); 15 Nov 2016 17:42:59 -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 5406 invoked by uid 99); 15 Nov 2016 17:42:59 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Nov 2016 17:42:59 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 3192F2C0059 for ; Tue, 15 Nov 2016 17:42:59 +0000 (UTC) Date: Tue, 15 Nov 2016 17:42:59 +0000 (UTC) From: "Jesus Camacho Rodriguez (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Work started] (HIVE-15209) Set hive.strict.checks.cartesian.product to false by default MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 15 Nov 2016 17:43:01 -0000 [ https://issues.apache.org/jira/browse/HIVE-15209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-15209 started by Jesus Camacho Rodriguez. ------------------------------------------------------ > Set hive.strict.checks.cartesian.product to false by default > ------------------------------------------------------------ > > Key: HIVE-15209 > URL: https://issues.apache.org/jira/browse/HIVE-15209 > Project: Hive > Issue Type: Bug > Components: Parser > Affects Versions: 2.2.0 > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > > If we aim to make Hive compliant with SQL, w should disable this property by default, as expressing a cartesian product, though inefficient, is perfectly valid in SQL. > Further, if we express complex predicates in the ON clause of a SQL query, we might not be able to push these predicates to the join operator; however, we should still be able to execute the query. -- This message was sent by Atlassian JIRA (v6.3.4#6332)