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https://issues.apache.org/jira/browse/FLINK-7986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther resolved FLINK-7986.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
1.4.0
Fixed in 1.5: 81dc260dc653085b9dbf098e8fd70a72d2d0828e
Fixed in 1.4: 42e24413b5a47928e06f2a61086f7559370c65d8
> 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
> Fix For: 1.4.0, 1.5.0
>
>
> A.unionAll(B).where.groupBy.select
> =>
> A.where.unionAll(B.where).groupBy.select
> this rule will reduce networkIO
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