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https://issues.apache.org/jira/browse/CASSANDRA-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249949#comment-13249949
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Jonathan Ellis commented on CASSANDRA-3647:
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The alternative is we say "all maps, lists, and sets will be represented as
CT(ascii, UTF8)" and json-encode things. On the one hand, that's horribly
inefficient space-wise for ints and uuids. On the other hand, json support is
high on the list of motivations here, and that would simplify things a lot.
(And if we used a library to represent utf8 as byte[] instead of String, that
would mitigate the overhead of representing as json by roughly 50% for common
usage.)
> Support arbitrarily nested "documents" in CQL
> ---------------------------------------------
>
> Key: CASSANDRA-3647
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3647
> Project: Cassandra
> Issue Type: New Feature
> Components: API, Core
> Reporter: Jonathan Ellis
> Labels: cql
>
> Composite columns introduce the ability to have arbitrarily nested data in a
> Cassandra row. We should expose this through CQL.
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