Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 94554 invoked from network); 26 May 2010 22:31:47 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 26 May 2010 22:31:47 -0000 Received: (qmail 50460 invoked by uid 500); 26 May 2010 22:31:46 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 50440 invoked by uid 500); 26 May 2010 22:31:46 -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 50432 invoked by uid 99); 26 May 2010 22:31:46 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 May 2010 22:31:46 +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 jerdavis.cassandra@gmail.com designates 74.125.83.172 as permitted sender) Received: from [74.125.83.172] (HELO mail-pv0-f172.google.com) (74.125.83.172) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 May 2010 22:31:40 +0000 Received: by pva18 with SMTP id 18so2220178pva.31 for ; Wed, 26 May 2010 15:31:20 -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=hpOc7bgWBIigiP39dGE1CZMktU69w+sUe6gzzHKe3fk=; b=SnELniIDu/a0hn/GFwIFDSa/7onEUI4nISHZDuaxlS8fQ2LQHozjGSj6iPw5G4mKjC 5JHPC0MYExcZxgw/0sytZMAiNXdzSme35eoyPgNpunezODgZaN7H+1bvWQvdm/4zdx9F 1ZjbAgl0acZkP+8iIO7L8bjOKrOpY1EmMGlkI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=FWoXSPm821N09t+yFOC9dvCTjCVyqdzTyrb8TQdres0kTYdUH6g/jkx/btBsLU6N+r z7VSxWDESfGqTFefX6S/qsCUroAALEjBTviUEOQX1CyYYI731e9W0k4ojGE9BKy+clrO Xaio7SZT2nzlRIcKXItLhbUTEQVqkOAW/YHXk= MIME-Version: 1.0 Received: by 10.142.202.17 with SMTP id z17mr5685344wff.140.1274913080133; Wed, 26 May 2010 15:31:20 -0700 (PDT) Received: by 10.143.45.3 with HTTP; Wed, 26 May 2010 15:31:20 -0700 (PDT) Date: Wed, 26 May 2010 15:31:20 -0700 Message-ID: Subject: Thoughts on adding complex queries to Cassandra From: Jeremy Davis To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=000e0cd2e30242ca48048786d5f6 --000e0cd2e30242ca48048786d5f6 Content-Type: text/plain; charset=ISO-8859-1 Are there any thoughts on adding a more complex query to Cassandra? At a high level what I'm wondering is: Would it be possible/desirable/in keeping with the Cassandra plan, to add something like a javascript blob on to a get range slice etc, that does some further filtering on the results before returning them. The goal being to trade off some CPU on Cassandra for network bandwidth. -JD --000e0cd2e30242ca48048786d5f6 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Are there any thoughts on adding a more complex query to Cassandra?
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At a high level what I'm wondering is: Would it be possible/desirab= le/in keeping with the Cassandra plan, to add something like a javascript b= lob on to a get range slice etc, that does some further filtering on the re= sults before returning them. The goal being to trade off some CPU on Cassan= dra for network bandwidth.

-JD
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