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https://issues.apache.org/jira/browse/CASSANDRA-2474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048598#comment-13048598
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Jonathan Ellis commented on CASSANDRA-2474:
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Summary: general agreement that "SELECT parent:column" notation is a bad fit.
Some alternatives are presented. Most would require a Cassandra-aware Hive
metastore to get the same syntax for Hive and Cassandra; Hive is primarily
concerned with "select *" but Cassandra needs an effective way of representing
"give me all the subcolumns for parent foo" (which is where the current HQL
syntax is inadequate).
> CQL support for compound columns
> --------------------------------
>
> Key: CASSANDRA-2474
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2474
> Project: Cassandra
> Issue Type: Sub-task
> Components: API, Core
> Reporter: Eric Evans
> Labels: cql
> Fix For: 1.0
>
>
> For the most part, this boils down to supporting the specification of
> compound column names (the CQL syntax is colon-delimted terms), and then
> teaching the decoders (drivers) to create structures from the results.
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