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From Norman Maurer <nor...@apache.org>
Subject Re: managing a limited-length list as a value
Date Fri, 18 Feb 2011 18:30:06 GMT
Hi there,

there is not such an operation in cassandra. The only thing which
comes "close" is the TTL support which will "delete" columns after a
given time. See:

http://www.datastax.com/dev/blog/whats-new-cassandra-07-expiring-columns

Bye,
Norman

2011/2/18 Benson Margulies <bimargulies@gmail.com>:
> The following is derived from the redis list operations.
>
> The data model is that a key maps to an list of items. The operation
> is to push a new item into the front, and discard any items from the
> end above a threshold number of items.
>
> of course, this can be done by reading a value, fiddling with it, and
> writing it back. I write this email to wonder if there's any native
> trickery to avoid having to read the value, but rather permitting some
> sort of 'push' operation.
>

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