Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E5E1D10643 for ; Fri, 21 Mar 2014 18:25:54 +0000 (UTC) Received: (qmail 85685 invoked by uid 500); 21 Mar 2014 18:25:47 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 85598 invoked by uid 500); 21 Mar 2014 18:25:46 -0000 Mailing-List: contact dev-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 dev@hive.apache.org Received: (qmail 85385 invoked by uid 500); 21 Mar 2014 18:25:44 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 85230 invoked by uid 99); 21 Mar 2014 18:25:43 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 21 Mar 2014 18:25:43 +0000 Date: Fri, 21 Mar 2014 18:25:43 +0000 (UTC) From: "Alan Gates (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-6616) Document ORC file format to enable development of external converters to/from ORC/text files 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-6616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13943345#comment-13943345 ] Alan Gates commented on HIVE-6616: ---------------------------------- This is a dangerous approach, as we make no guarantees to keep Orc's structure the same across releases. For example, the HIVE-5317 work includes significant changes to Orc's file structure. It would be better to file a jira (or re-purpose this jira) to be: provide simple classes to read and write Orc without forcing you to pull all of Hive's jars into your code. This is much safer from a forward and backward compatibility viewpoint and something we need to do anyway. If you are wanting to run outside the JVM this obviously does not help you though. > Document ORC file format to enable development of external converters to/from ORC/text files > -------------------------------------------------------------------------------------------- > > Key: HIVE-6616 > URL: https://issues.apache.org/jira/browse/HIVE-6616 > Project: Hive > Issue Type: Bug > Components: File Formats > Affects Versions: 0.11.0, 0.12.0 > Reporter: Michael > > Please document the structure of ORC file in a way that it allow writing and reading such a file by external software. I would like to be able to create ORC files myself without help of Hive. -- This message was sent by Atlassian JIRA (v6.2#6252)