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From Jonathan Ellis <>
Subject Re: Prepared Statement support (CASSANDRA-2475)
Date Fri, 13 Jan 2012 22:04:02 GMT
To throw out a real-world example: I'm working on CASSANDRA-2878
("Allow CQL-based map/reduce") and it simplifies things to have the
"output" from a query (CqlRow/Column, which are binary) the same as
the input parameters [for the resultset KEY > X paging].  Otherwise I
have to convert it to string for the PS, so that the server can
convert it back to binary.

On Wed, Dec 14, 2011 at 5:49 PM, Eric Evans <> wrote:
> Hi all,
> Thanks to the hard work of Rick Shaw, prepared statements
> ( has been
> committed to trunk.  However, before you use it, be advised that the
> API might be changing in the next few days.
> If it does change, it should be limited to moving the bind parameters
> from string to bytes, (pending a comparison of the performance).  I'll
> send another email with the changes, if any, after the API is expected
> to be stable.
> Thanks,
> --
> Eric Evans
> Acunu | | @acunu

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

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