Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 97855D6E7 for ; Mon, 27 Aug 2012 10:43:33 +0000 (UTC) Received: (qmail 88622 invoked by uid 500); 27 Aug 2012 10:43:31 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 88141 invoked by uid 500); 27 Aug 2012 10:43:26 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 88106 invoked by uid 99); 27 Aug 2012 10:43:25 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 27 Aug 2012 10:43:25 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FSL_RCVD_USER,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of tewilove@gmail.com designates 209.85.210.169 as permitted sender) Received: from [209.85.210.169] (HELO mail-iy0-f169.google.com) (209.85.210.169) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 27 Aug 2012 10:43:17 +0000 Received: by iahk25 with SMTP id k25so9731537iah.14 for ; Mon, 27 Aug 2012 03:42:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=9BSBZDSXofP6enIVX+24Pe9xBbGPvxefeYSBTwK9l+U=; b=L+cdL0jnqYHVPM16P6s1obRHz8IYurX1o6MZQMypvoZkQdGtH9r4xvfZ6uT6yqFpkf VV8QCR49JMkLtIGab9ZrYGEsfI3gOIM31Smq6oQu3mGorhm3IJo0184dDv7cTfZu4zci L4WppiNydJb8wqnaHTdozNriiu4zXVKN5RKnOLfAOw+xHb3IMiXTdCknMyaAHLPqFkbW 9AGwl+n1O5AOCxnZWcN85lBan2IVG2nrNFPVdUogOXUT8v1qAAGF+jWSkBwW3rlFEVf3 FWr0X4CdqkSL+ZxcGOc88yfLL9yR0h75bvn5kYPvIQnIGQGWAN9HuCrqVi6GG5nmU8cA 7qEw== MIME-Version: 1.0 Received: by 10.50.34.131 with SMTP id z3mr9730005igi.45.1346064176204; Mon, 27 Aug 2012 03:42:56 -0700 (PDT) Received: by 10.64.61.40 with HTTP; Mon, 27 Aug 2012 03:42:56 -0700 (PDT) Date: Mon, 27 Aug 2012 18:42:56 +0800 Message-ID: Subject: PIG with HBase Coprocessors From: =?UTF-8?B?5p+Q5Zug5bmh?= To: user@hbase.apache.org Content-Type: text/plain; charset=UTF-8 Hi, I've created a co-processor which will insert more columns in the result by overriding preGet and postScannerNext. And it is registered as a system co-processor, works with hbase shell, both get and scan. When I tried to access those columns in PIG, it simply returns null for the column. Is there something more to be done? -- language: Chinese, Japanese, English