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https://issues.apache.org/jira/browse/HIVE-15853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15858719#comment-15858719
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Jason Dere commented on HIVE-15853:
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+1. One small nit, can you some extra comments on the line above to mention why
the semijoin opt branch should be removed if the RS parent is being removed?
> Semijoin removed in case of dynamically partitioned hash join
> -------------------------------------------------------------
>
> Key: HIVE-15853
> URL: https://issues.apache.org/jira/browse/HIVE-15853
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Attachments: HIVE-15853.1.patch
>
>
> Incase of dynamically partitioned hash join, the semijoin branch is removed
> to avoid a cycle even though it does not create a cycle.
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