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https://issues.apache.org/jira/browse/HIVE-10876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14566757#comment-14566757
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Vaibhav Gumashta commented on HIVE-10876:
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This could also be potentially something that we be worked on in the proposed
2.0 branch (along with replacing CLI impl with Beeline+embedded HS2).
> Get rid of Driver and SessionState from HiveServer2 codepath
> ------------------------------------------------------------
>
> Key: HIVE-10876
> URL: https://issues.apache.org/jira/browse/HIVE-10876
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Reporter: Vaibhav Gumashta
> Assignee: Vaibhav Gumashta
>
> It appears that the Driver and SessionState abstractions are better served in
> HiveServer2 by moving the state for a query to the Operation abstraction and
> the state of a client session to HiveSession. Currently, the state is mixed
> into Driver and SessionState which were abstractions from the CLI/HiveServer1
> world. It would have made working on HIVE-4239 much easier.
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