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https://issues.apache.org/jira/browse/HIVE-21713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848915#comment-16848915
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Zoltan Haindrich commented on HIVE-21713:
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[~mnarayanan2018]: yes; I was thinking about that line.
There are 2 kind of things:
* there are "tasks" which belong to the type tree of: Task<Work>
* and there are "operators" which belong to Operator<OperatorDesc>
Calling "operator" the first one might be misleading in explain outputs
> Explain consistency Task/Operator
> ---------------------------------
>
> Key: HIVE-21713
> URL: https://issues.apache.org/jira/browse/HIVE-21713
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Priority: Major
>
> there seems to be some inconsistency what gets printed in the explain;
> for example "MoveTask" is shown as "Move Operator" in the explain
> Becase Tasks and Operators are basically different things - this should be
> corrected as it may cause confusion
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