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Sylvain Lebresne commented on CASSANDRA-3237:
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bq. How is this converted so that compatibility is preserved?
Exactly the way you've described it. But the code also convert queries on super
columns, so that the query that select the first super column of a row still
return all the super column, not just the first subcolumn.
> refactor super column implmentation to use composite column names instead
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-3237
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3237
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Matthew F. Dennis
> Assignee: Sylvain Lebresne
> Priority: Minor
> Labels: ponies
> Fix For: 2.0
>
> Attachments: cassandra-supercolumn-irc.log
>
>
> super columns are annoying. composite columns offer a better API and
> performance. people should use composites over super columns. some people
> are already using super columns. C* should implement the super column API in
> terms of composites to reduce code, complexity and testing as well as
> increase performance.
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