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Posted to dev@flink.apache.org by "Ruidong Li (JIRA)" <ji...@apache.org> on 2017/11/05 03:16:01 UTC

[jira] [Created] (FLINK-7986) Introduce FilterSetOpTransposeRule to Flink

Ruidong Li created FLINK-7986:
---------------------------------

             Summary: Introduce FilterSetOpTransposeRule to Flink
                 Key: FLINK-7986
                 URL: https://issues.apache.org/jira/browse/FLINK-7986
             Project: Flink
          Issue Type: Improvement
            Reporter: Ruidong Li
            Assignee: Ruidong Li
            Priority: Trivial


A.unionAll(B).where.groupBy.select  
=>
A.where.unionAll(B.where).groupBy.select

this rule will reduce networkIO



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