Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-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 946A2610F for ; Mon, 13 Jun 2011 15:33:19 +0000 (UTC) Received: (qmail 65547 invoked by uid 500); 13 Jun 2011 15:33:17 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 65527 invoked by uid 500); 13 Jun 2011 15:33:17 -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 65519 invoked by uid 99); 13 Jun 2011 15:33:17 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Jun 2011 15:33:17 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RFC_ABUSE_POST,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of sdolgy@gmail.com designates 209.85.212.44 as permitted sender) Received: from [209.85.212.44] (HELO mail-vw0-f44.google.com) (209.85.212.44) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Jun 2011 15:33:11 +0000 Received: by vws12 with SMTP id 12so5489115vws.31 for ; Mon, 13 Jun 2011 08:32:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:from:date:message-id:subject:to :content-type:content-transfer-encoding; bh=vIAtsgPzOBw0i03zd8PdkqT9zCrOKhPt6xIkgjIncj0=; b=kPYKrX6TgGDoTGUhMCDEtVw4suaThvDzpRtFx7kLFBQdA7W9JtqJjPqZGaoDILcgzd MFsc4clpX4DQW8A4+vA5aXo5LIGD1a1zC235scPSZTIMRpgU2Qrz+E5euPc7RDyyJEJq U1paAaPkhDfckQZcFaG5hZJCf0vQxrQsAQpZA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:from:date:message-id:subject:to:content-type :content-transfer-encoding; b=PaC6E9Ou3D/4G6Q5DAJLaX5xthuzuhkyN8U9gdlp+4KFHSl65DEmCYGcgNV7TJt4Rl 7I7WbrBIgqa2tELnSelkpEPWkqVCaljN0CbdP/ypIlguFFrJZl8+3BNndVjo2bIQ5tP+ 67fzVwGUENVF9NulZp6eP2KsuOG4Xo4sRMuKw= Received: by 10.52.175.36 with SMTP id bx4mr7727732vdc.21.1307979170190; Mon, 13 Jun 2011 08:32:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.52.162.69 with HTTP; Mon, 13 Jun 2011 08:32:30 -0700 (PDT) From: Sasha Dolgy Date: Mon, 13 Jun 2011 17:32:30 +0200 Message-ID: Subject: Re: count column in Cassandra To: user@cassandra.apache.org, i.YangSj@gmail.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable probably helpful if you change the subject when posting about a different topic. Is your question about "counters" or the "count" function? Counters are cool. Count allows you to determine how many columns exist in a row. -sd On Mon, Jun 13, 2011 at 5:27 PM, Sijie YANG wrote: > Hi, All > I am newbie to cassandra. I have a simple question but don't find any cle= ar > answer by searching google: > What's the meaning of count column in Cassandra?=A0Thanks.