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From Tan Yeh Zheng <yehzh...@chartnexus.com>
Subject Re: latest rows
Date Wed, 16 Feb 2011 01:37:38 GMT
But wouldn't using timestamp as row keys cause conflicts?
On Tue, 2011-02-15 at 19:11 -0600, Tyler Hobbs wrote:
> 
>         What is the best way to retrieve the latest rows from a CF
>         with OPP.
> 
> Use inverted timestamps (for example, 2^64 - timestamp) with zeros for
> padding as the row keys.
> 
> This way you can do a normal forward range scan and get the N latest
> rows.
> 
> -- 
> Tyler Hobbs
> Software Engineer, DataStax
> Maintainer of the pycassa Cassandra Python client library
> 

-- 
Best Regards,

Tan Yeh Zheng
Software Programmer

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