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From Benjamin Black...@b3k.us>
Subject Re: Consequences of Cassandra key NOT unique
Date Thu, 29 Jul 2010 02:03:56 GMT
If you write new data with a key that is already present, the existing
columns are overwritten or new columns are added.  There is no way to
cause a duplicate key to be inserted.

On Wed, Jul 28, 2010 at 6:16 PM, Rana Aich <aichrana@gmail.com> wrote:
> Hello,
> I was wondering what may the pitfalls in Cassandra when the Key value is not
> UNIQUE?
> Will it affect the range query performance?
> Thanks and regards,
> raich
>
>

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