Return-Path: X-Original-To: apmail-hive-user-archive@www.apache.org Delivered-To: apmail-hive-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 1E4259608 for ; Thu, 28 Jun 2012 18:48:15 +0000 (UTC) Received: (qmail 71425 invoked by uid 500); 28 Jun 2012 18:48:14 -0000 Delivered-To: apmail-hive-user-archive@hive.apache.org Received: (qmail 71374 invoked by uid 500); 28 Jun 2012 18:48:14 -0000 Mailing-List: contact user-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hive.apache.org Delivered-To: mailing list user@hive.apache.org Received: (qmail 71360 invoked by uid 99); 28 Jun 2012 18:48:13 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 28 Jun 2012 18:48:13 +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 dontariq@gmail.com designates 209.85.216.41 as permitted sender) Received: from [209.85.216.41] (HELO mail-qa0-f41.google.com) (209.85.216.41) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 28 Jun 2012 18:48:06 +0000 Received: by qabg27 with SMTP id g27so241239qab.14 for ; Thu, 28 Jun 2012 11:47:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=9U5YmslYZ02YeN5D3NjN/m0DhyR9NLT4+cMGa0ra82g=; b=EEfpTy6JNPNy++75z0E4Q61iFSazMwP/YVn+Aw5zBEw3tPJhrsOj7UQUe5pUG0dZKi 0/eikf4zIGpn/9oj3h20xumUHgmfLAGhJjp7oEq7XS9o8pZjff/js1pa/4916oxkacen fKLqBjyRMfmAcu2AlgwXmUYggBlTL6TTy+gVX8AZgwDdD7Pv58rDf7UmG893iAKSSvQ+ FyB/WmyKwQK4PMbCgKos3+GUMLa2KTYg121CmdWH4EEjd3nvnt1A0AfySXHtMNL5zMS+ LX2V+7fkFo4Rdl2krXM7hWmlH1qAqkIoZNZGwtf6yk8mDjSDBfwLnPGGRQ2YY+TVKFtP B/fw== Received: by 10.224.72.138 with SMTP id m10mr5037449qaj.5.1340909265529; Thu, 28 Jun 2012 11:47:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.188.210 with HTTP; Thu, 28 Jun 2012 11:47:05 -0700 (PDT) From: Mohammad Tariq Date: Fri, 29 Jun 2012 00:17:05 +0530 Message-ID: Subject: Hive mapper creation To: user Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hello list, Since Hive tables are assumed to be of text input format, is it right to assume that a mapper is created per row of a particular table??Please correct me if my understanding is wrong. Also let me know how mappers are created corresponding to a Hive query. Many thanks. Regards, =A0=A0 =A0Mohammad Tariq