Return-Path: Delivered-To: apmail-hadoop-core-commits-archive@www.apache.org Received: (qmail 98589 invoked from network); 24 Jan 2009 22:26:07 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 24 Jan 2009 22:26:07 -0000 Received: (qmail 3590 invoked by uid 500); 24 Jan 2009 22:26:07 -0000 Delivered-To: apmail-hadoop-core-commits-archive@hadoop.apache.org Received: (qmail 3557 invoked by uid 500); 24 Jan 2009 22:26:07 -0000 Mailing-List: contact core-commits-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-commits@hadoop.apache.org Received: (qmail 3548 invoked by uid 99); 24 Jan 2009 22:26:06 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 24 Jan 2009 14:26:06 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.130] (HELO eos.apache.org) (140.211.11.130) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 24 Jan 2009 22:26:05 +0000 Received: from eos.apache.org (localhost [127.0.0.1]) by eos.apache.org (Postfix) with ESMTP id 20242118F2 for ; Sat, 24 Jan 2009 22:25:44 +0000 (GMT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Apache Wiki To: core-commits@hadoop.apache.org Date: Sat, 24 Jan 2009 22:25:43 -0000 Message-ID: <20090124222543.27435.26581@eos.apache.org> Subject: [Hadoop Wiki] Update of "Hive/DeveloperGuide" by JeffHammerbacher X-Virus-Checked: Checked by ClamAV on apache.org Dear Wiki user, You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification. The following page has been changed by JeffHammerbacher: http://wiki.apache.org/hadoop/Hive/DeveloperGuide ------------------------------------------------------------------------------ == Pluggable interfaces == === SerDe - how to add a new SerDe === === UDFs and UDAFs - how to add new UDFs and UDAFs === + * For the UDF named "myudf", do the following: + * First, add the code that implements the UDF under ql/src/java/org/apache/hadoop/hive/ql/udf/UDFMyudf.java + * Second, register your UDF at java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java