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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-203350617 @fhueske Yes, `TwoInputNode` rebuild the channels and `child` nodes don't have the information of `data distribution`. I have added the information into them and PR has been updated. > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)