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Sylvain Lebresne edited comment on CASSANDRA-3634 at 1/12/12 5:13 PM:
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bq. that's the case for a String-based api as well as a binary one.
For String-based, the translation from String->binary would happen server side,
where we do have the custom comparator and thus the fromString() method (which
have to be written from the comparator anyway). With binary, you would have to
write the comparator.fromString(), but also have the same client side.
Of course, that is if the client has its customely-comparable prepared
statement parameters in a string form to begin with.
On the other side, taking binary would likely make it much more easier to take
binary data (like pictures), without forcing a binary->string client-side
followed by a string->binary decoding server side. Which is probably a bigger
deal than the custom comparator thingy now that I think of that.
So (and unless I don't understand anything on this issue and what's above is
completely false), I'm clearly in favor of binary.
was (Author: slebresne):
bq. that's the case for a String-based api as well as a binary one.
For String-based, the translation from String->binary would happen server side,
where we do have the custom comparator and thus the fromString() method (which
have to be written from the comparator anyway). With binary, you would have to
write the comparator.fromString(), but also have the same client side.
> compare string vs. binary prepared statement parameters
> -------------------------------------------------------
>
> Key: CASSANDRA-3634
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3634
> Project: Cassandra
> Issue Type: Sub-task
> Components: API, Core
> Reporter: Eric Evans
> Assignee: Eric Evans
> Priority: Minor
> Labels: cql
> Fix For: 1.1
>
>
> Perform benchmarks to compare the performance of string and pre-serialized
> binary parameters to prepared statements.
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