Return-Path: Delivered-To: apmail-hadoop-pig-dev-archive@www.apache.org Received: (qmail 26651 invoked from network); 5 Oct 2009 20:13:55 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 5 Oct 2009 20:13:55 -0000 Received: (qmail 18025 invoked by uid 500); 5 Oct 2009 20:13:55 -0000 Delivered-To: apmail-hadoop-pig-dev-archive@hadoop.apache.org Received: (qmail 18003 invoked by uid 500); 5 Oct 2009 20:13:55 -0000 Mailing-List: contact pig-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: pig-dev@hadoop.apache.org Delivered-To: mailing list pig-dev@hadoop.apache.org Received: (qmail 17993 invoked by uid 99); 5 Oct 2009 20:13:55 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Oct 2009 20:13:55 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Oct 2009 20:13:52 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 599C7234C053 for ; Mon, 5 Oct 2009 13:13:31 -0700 (PDT) Message-ID: <1022202660.1254773611366.JavaMail.jira@brutus> Date: Mon, 5 Oct 2009 13:13:31 -0700 (PDT) From: "Olga Natkovich (JIRA)" To: pig-dev@hadoop.apache.org Subject: [jira] Updated: (PIG-993) [zebra] Abitlity to drop a column group in a table In-Reply-To: <531696206.1254523103572.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/PIG-993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Olga Natkovich updated PIG-993: ------------------------------- Description: A Zebra table is stored as multiple sub tables each containing a set of columns called column group (CG). The user specifies how these columns are grouped while creating a table through the _storage hint_. For some of the large tables, it might be necessary for users to remove a set of columns and retain the rest. This jira provides a way for users to delete an entire column group. The following comments will have more details on API and the semantics. was: A Zebra table is stored as multiple sub tables each containing a set of columns called column group (CG). The user specifies how these columns are grouped while creating a table through the _storage hint_. For some of the large tables, it might be necessary for users to remove a set of columns and retain the rest. This jira provides a way for users to delete an entire column group. The following comments will have more details on API and the semantics. Fix Version/s: (was: 0.5.0) > [zebra] Abitlity to drop a column group in a table > -------------------------------------------------- > > Key: PIG-993 > URL: https://issues.apache.org/jira/browse/PIG-993 > Project: Pig > Issue Type: Bug > Reporter: Raghu Angadi > Assignee: Raghu Angadi > Attachments: DropColumnGroupExample.java, zebra-drop-cg.patch, zebra-drop-cg.patch > > > A Zebra table is stored as multiple sub tables each containing a set of columns called column group (CG). The user specifies how these columns are grouped while creating a table through the _storage hint_. > For some of the large tables, it might be necessary for users to remove a set of columns and retain the rest. This jira provides a way for users to delete an entire column group. > The following comments will have more details on API and the semantics. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.