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https://issues.apache.org/jira/browse/FLINK-2998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15236619#comment-15236619
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ASF GitHub Bot commented on FLINK-2998:
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Github user gallenvara commented on the pull request:
https://github.com/apache/flink/pull/1838#issuecomment-208712697
@fhueske Thanks a lot for your advice. PR updated. Please forgive my
limited understand about the logic of `GlobalProperties`. I added tests to
`CustomDistributionITCase` about the number of partition key being less or
larger than the number in the distribution.
> 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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