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https://issues.apache.org/jira/browse/CASSANDRA-7622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425769#comment-16425769
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Chris Lohfink commented on CASSANDRA-7622:
------------------------------------------

With the implementation provided there are no if-else conditions in the 
Keyspace.apply because the handoff to the virtual logic is handled essentially 
as soon as the query has been parsed and identified as going to that virtual 
table.

> Implement virtual tables
> ------------------------
>
>                 Key: CASSANDRA-7622
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7622
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: CQL
>            Reporter: Tupshin Harper
>            Assignee: Chris Lohfink
>            Priority: Major
>             Fix For: 4.x
>
>
> There are a variety of reasons to want virtual tables, which would be any 
> table that would be backed by an API, rather than data explicitly managed and 
> stored as sstables.
> One possible use case would be to expose JMX data through CQL as a 
> resurrection of CASSANDRA-3527.
> Another is a more general framework to implement the ability to expose yaml 
> configuration information. So it would be an alternate approach to 
> CASSANDRA-7370.
> A possible implementation would be in terms of CASSANDRA-7443, but I am not 
> presupposing.



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