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https://issues.apache.org/jira/browse/HIVE-15748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847769#comment-15847769
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Jason Dere commented on HIVE-15748:
-----------------------------------
+1
> Remove cycles created due to semi join branch and map join Op on same
> operator pipeline
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-15748
> URL: https://issues.apache.org/jira/browse/HIVE-15748
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Attachments: HIVE-15748.1.patch, HIVE-15748.2.patch,
> HIVE-15748.3.patch
>
>
> If a semi join branch and map join operator are on same operator pipeline,
> then there could be a cycle created. Where the other map feeding into the
> mapjoin operator is waiting for the semi join branch to finish causing a
> cycle.
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