Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 7702 invoked from network); 5 May 2010 04:09:41 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 5 May 2010 04:09:41 -0000 Received: (qmail 80002 invoked by uid 500); 5 May 2010 04:09:40 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 79912 invoked by uid 500); 5 May 2010 04:09:40 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 79849 invoked by uid 99); 5 May 2010 04:09:39 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 05 May 2010 04:09:39 +0000 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 74.125.82.44 as permitted sender) Received: from [74.125.82.44] (HELO mail-ww0-f44.google.com) (74.125.82.44) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 05 May 2010 04:09:33 +0000 Received: by wwi18 with SMTP id 18so1670981wwi.31 for ; Tue, 04 May 2010 21:09:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=By3hhQmIN4uL7jrDr1hyE18tSPMrRZlDi0Ag7OC9bHI=; b=lB4Sbf+pmuv1xWjrkZlSgKts2qErmiEph4OCMslLSRjtxbpNRA14Em3sEUnkj5lKLI iD1G7xfDQoQwIAb96KHKv7KQs2sOD5MjBTJWv+ipwNIoIh9VC4/ZgELX/P2cKLT1HoZN TlhD4magwZe19P6lfbKar1kN56QII9yas8sEY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; b=cZffSHEb+B7bvWBm5djeht3GT7qHkpDB3DCRV0V+LiDML7AIT5MeoiNoqlmuz/fom3 nl/fNGsEiztETsdmmCnUBwlUlX9pM76u2Kb5eJofeIMpUofEssBNcEttaNZP2pLkE3Qh nGRDNrghSJTnjkS+9nZXjZREjNfHFbrV+SRaU= Received: by 10.216.183.205 with SMTP id q55mr2093247wem.172.1273032553132; Tue, 04 May 2010 21:09:13 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.22.10 with HTTP; Tue, 4 May 2010 21:08:53 -0700 (PDT) In-Reply-To: References: From: Jonathan Ellis Date: Tue, 4 May 2010 23:08:53 -0500 Message-ID: Subject: Re: Getting all the keys from a ColumnFamily ? To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org get_range_slices with an empty list of column names should work On Tue, May 4, 2010 at 3:02 PM, Chris Dean wrote: > I have a ColumnFamily with a small number of keys, but each key has a > large number of columns. > > What's the best way to get just the keys back? =A0I don't want to load al= l > the columns if I don't have to. =A0There also isn't necessarily any colum= n > names in common between the different rows. > > Cheers, > Chris Dean > --=20 Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com