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https://issues.apache.org/jira/browse/HIVE-9138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316910#comment-14316910
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Ashutosh Chauhan commented on HIVE-9138:
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Sorry, missed on this one. Couple of questions:
* Whats the marker interface Explainable for? Can you add comments why is it
necessary and who needs to implement it?
* Changes in ColumnPruner: Are they related to explain or is it that
datastructures (RR, outputColNames etc.) were inconsistent at that point, which
you needed to fix?
> Add some explain to PTF operator
> --------------------------------
>
> Key: HIVE-9138
> URL: https://issues.apache.org/jira/browse/HIVE-9138
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-9138.1.patch.txt, HIVE-9138.2.patch.txt,
> HIVE-9138.3.patch.txt
>
>
> PTFOperator does not explain anything in explain statement, making it hard to
> understand the internal works.
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