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https://issues.apache.org/jira/browse/HIVE-16441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-16441 started by Deepak Jaiswal.
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> De-duplicate semijoin branches in n-way joins
> ---------------------------------------------
>
> Key: HIVE-16441
> URL: https://issues.apache.org/jira/browse/HIVE-16441
> Project: Hive
> Issue Type: Task
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
>
> Currently in n-way joins, semi join optimization creates n branches on same
> key. Instead it should reuse one branch for all the joins.
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