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https://issues.apache.org/jira/browse/HIVE-23920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mahesh kumar behera reassigned HIVE-23920:
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> Need to handle HiveJoinConstraintsRule for Anti Join
> ----------------------------------------------------
>
>                 Key: HIVE-23920
>                 URL: https://issues.apache.org/jira/browse/HIVE-23920
>             Project: Hive
>          Issue Type: Bug
>            Reporter: mahesh kumar behera
>            Assignee: mahesh kumar behera
>            Priority: Major
>
> Currently in Hive we create different operator for different kind of join. n 
> Calcite, it all seems to be based on a single Join class in newer releases. 
> So the classes like HiveAntiJoin, HiveSemiJoin can be merged into one.
>  



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