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https://issues.apache.org/jira/browse/FLINK-2998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15217301#comment-15217301
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ASF GitHub Bot commented on FLINK-2998:
---------------------------------------

Github user gallenvara commented on the pull request:

    https://github.com/apache/flink/pull/1838#issuecomment-203216796
  
    @fhueske @ChengXiangLi Can you please help with review? :)


> Support range partition comparison for multi input nodes.
> ---------------------------------------------------------
>
>                 Key: FLINK-2998
>                 URL: https://issues.apache.org/jira/browse/FLINK-2998
>             Project: Flink
>          Issue Type: New Feature
>          Components: Optimizer
>            Reporter: Chengxiang Li
>            Priority: Minor
>
> The optimizer may have potential opportunity to optimize the DAG while it 
> found two input range partition are equivalent, we does not support the 
> comparison yet.



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