Return-Path: Delivered-To: apmail-hbase-user-archive@www.apache.org Received: (qmail 3722 invoked from network); 21 May 2010 11:10:07 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 21 May 2010 11:10:07 -0000 Received: (qmail 98985 invoked by uid 500); 21 May 2010 11:10:06 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 98804 invoked by uid 500); 21 May 2010 11:10:03 -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 98774 invoked by uid 99); 21 May 2010 11:10:01 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 21 May 2010 11:10:01 +0000 X-ASF-Spam-Status: No, hits=-0.1 required=10.0 tests=AWL,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of al.lias@gmx.de designates 213.165.64.20 as permitted sender) Received: from [213.165.64.20] (HELO mail.gmx.net) (213.165.64.20) by apache.org (qpsmtpd/0.29) with SMTP; Fri, 21 May 2010 11:09:54 +0000 Received: (qmail invoked by alias); 21 May 2010 11:09:32 -0000 Received: from unknown (EHLO [192.168.99.218]) [195.140.184.10] by mail.gmx.net (mp071) with SMTP; 21 May 2010 13:09:32 +0200 X-Authenticated: #22100600 X-Provags-ID: V01U2FsdGVkX19C9ptLu1tCCgN2m2YOpaF4Ty++SRBu05GkBW/I5E aXb8IrATxgUAYG Message-ID: <4BF669EB.9050303@gmx.de> Date: Fri, 21 May 2010 13:09:31 +0200 From: Bob Schulze User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.1.9) Gecko/20100317 Lightning/1.0b1 Thunderbird/3.0.4 MIME-Version: 1.0 To: user@hbase.apache.org Subject: Re: Fetching only Rowkey by scanning References: <4BF64A4E.7020000@gmx.de> <1274433189.4592.4.camel@station4.hq> In-Reply-To: <1274433189.4592.4.camel@station4.hq> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 > .. > Am Freitag, den 21.05.2010, 10:54 +0200 schrieb Bob Schulze: >> What is the best option to just return the rowkeys when scanning a table >> range? >> Is it enough, not to set any family or column in the Scan()? >> >> Am 21.05.2010 11:13, schrieb Patrick Datko: > Hey Bob, > > i think you can use the 'FirstKeyOnlyFilter', this should probably work > and commit only the First KV of a row back. > Thx, Patrick, As I am looking for the RK only, isn't this still returning more than I need? The KV does have also timestamp and other properties... Bob