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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: predefining columns
Date Mon, 18 Apr 2011 13:27:35 GMT
No.

But, it is not recommended to mix default_validation_class and column
definitions. If you have a relatively static set of columns, column
definitions are recommended.

On Mon, Apr 18, 2011 at 2:23 AM, Sasha Dolgy <sdolgy@gmail.com> wrote:
> Hi all,
>
> When defining a new column family, there is the possiblity to define
> columns.  I see the benefit in defining the columns when I want to
> explicitly define that a secondary index will be created on that
> column.  I also see the benefit of predefining the type of that column
> if it will differ from the default for the column family (byte versus
> utf8 for example).
>
> If none of these scenarios are needed, is there any benefit gained by
> pre-defining the columns in a CF when creating the column family
> initially?
>
> -sd
>
> --
> Sasha Dolgy
> sasha.dolgy@gmail.com
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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