Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 928 invoked from network); 6 May 2010 17:35:56 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 6 May 2010 17:35:56 -0000 Received: (qmail 64034 invoked by uid 500); 6 May 2010 17:35:55 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 64015 invoked by uid 500); 6 May 2010 17:35:55 -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 64006 invoked by uid 99); 6 May 2010 17:35:55 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 May 2010 17:35:55 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=FREEMAIL_FROM,HTML_MESSAGE,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 weijunli@gmail.com designates 209.85.212.172 as permitted sender) Received: from [209.85.212.172] (HELO mail-px0-f172.google.com) (209.85.212.172) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 May 2010 17:35:49 +0000 Received: by pxi19 with SMTP id 19so98844pxi.31 for ; Thu, 06 May 2010 10:35:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=pmRpdpoBn9aANdqz4NYEgQ46bPMCcioortjS1n/HmbY=; b=NlXTnQ37tKfsEGZqQ/bdMXIoVZT2x59tl4AKWj+UZ2aOIpOXCdt7Y9OTzRErImU4gh bKAyXLzjLmQVx5ywgrnA2sNGOMaFm075MjJG9qCHJJ+68bgHFjoObgTyRGB2+8m+VOdp 3MdhpyxKxOLjaH4UD7M5xn4RUoWa7RND4VkJc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=QGGvgYh69SJn4XDLnTWFbmB6PMJIEUAGRWUGjw0/zAMEF4bU+J5P0BXC89ANC4SOh7 /+vC942qwwfetQaBVk9g+MapxLdmM638vroS1ece4rV42KucFJXzrAx/oRoSczUGP36p AWIKW8Nls8IbYGsuKWHn1zMyBXrHhJVA5QYjo= MIME-Version: 1.0 Received: by 10.140.247.18 with SMTP id u18mr6927428rvh.36.1273167328018; Thu, 06 May 2010 10:35:28 -0700 (PDT) Received: by 10.140.247.13 with HTTP; Thu, 6 May 2010 10:35:27 -0700 (PDT) Date: Thu, 6 May 2010 10:35:27 -0700 Message-ID: Subject: No column index in Cassandra? From: Weijun Li To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=000e0cd104e85382d30485f05ecf --000e0cd104e85382d30485f05ecf Content-Type: text/plain; charset=ISO-8859-1 Hello, it seems that sstable index file only contains key/position and each sstable doesn't have column index. So how does range slice query work? Does it iterate through every key in the range for column name/value comparison? -Weijun --000e0cd104e85382d30485f05ecf Content-Type: text/html; charset=ISO-8859-1 Hello, it seems that sstable index file only contains key/position and each sstable doesn't have column index. So how does range slice query work? Does it iterate through every key in the range for column name/value comparison?

-Weijun
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