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https://issues.apache.org/jira/browse/HIVE-8718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14212374#comment-14212374
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Xuefu Zhang commented on HIVE-8718:
-----------------------------------
Please note that the patch here was for trunk. It's not Spark branch specific.
> Refactoring: move mapLocalWork field from MapWork to BaseWork
> -------------------------------------------------------------
>
> Key: HIVE-8718
> URL: https://issues.apache.org/jira/browse/HIVE-8718
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Affects Versions: 0.15.0
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Priority: Minor
> Fix For: 0.15.0
>
> Attachments: HIVE-8718.patch
>
>
> Currently MapRedLocalWork instance is a field at MapWork. This is MR specific
> where small table input to map join is always from a MapWork, which isn't
> true for other execution engine where works doesn't need to be chopped at RS.
> The refactoring moves the MapRedLocalWork to its parent class, BaseWork.
> Purely refactoring. No behavor change is expected. Test output might need to
> be updated though.
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