[jira] [Commented] (HIVE-13193) Enable the complication in parallel in single session

["Aihua Xu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-13193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15202092#comment-15202092 ] 

Aihua Xu commented on HIVE-13193:
---------------------------------

+[~ashutoshc]  [~thejas] [~sershe] [~szehon], [~ctang.ma] [~ychena] for further information.

I'm working on this task right now. First, I'm refactoring the code to add QueryState which separates the query related info from SessionState and then each query execution will interact with QueryState for query info and SessionState for session info. 'set' command will interact with the session. Query history shared across the queries in SessionState should be synchronized. QueryState (including queryConf, queryId, queryString, etc) is visible to the query and its subtasks.

I'm wondering if you guys have any advices that I should be careful with.

> Enable the complication in parallel in single session
> -----------------------------------------------------
>
>                 Key: HIVE-13193
>                 URL: https://issues.apache.org/jira/browse/HIVE-13193
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>
> Follow up on HIVE-4239. Investigate the needed change to support parallel complication in the same session. 
> Some operation related stuff should be in OperationState rather than in SessionState.



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