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From Jonathan Ellis <>
Subject Re: composite indexes?
Date Fri, 24 Sep 2010 23:09:45 GMT
On Thu, Sep 23, 2010 at 6:29 PM, Peter Harrison <> wrote:
> On Fri, Sep 24, 2010 at 9:15 AM, Jonathan Ellis <> wrote:
>> Can you start with the problem you are trying to solve, before we
>> decide if composite indexes is the right solution? :)
> The new server side indexing function looks interesting, but only
> seems to permit one column. Allowing the index key to be multiple
> columns concatenated would permit a search based on multiple column
> values.

I'd rather generalize this further and allow indexing anything you can
compute from a row's contents in a function.

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support

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