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https://issues.apache.org/jira/browse/CASSANDRA-7622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411590#comment-16411590
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Aleksey Yeschenko commented on CASSANDRA-7622:
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I like what this exposes, but I'm not sure I'm a fan of the abstraction level 
it operates on. Doing this in a way that I would consider proper would involve 
quite a bit more change - starting with exposing schema itself as a virtual 
keyspace. This is probably the first genuine use case for hypothetical 
pluggable storage engine implementation, now that I think of it.

 

I'll make a more detail comment some time next week.

> 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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