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https://issues.apache.org/jira/browse/FLINK-12261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kurt Young closed FLINK-12261.
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Resolution: Fixed
Fix Version/s: 1.9.0
fixed in 5899768ba7970677a8667d0575bb61f4050fa533
> Support e2e group window in blink batch
> ---------------------------------------
>
> Key: FLINK-12261
> URL: https://issues.apache.org/jira/browse/FLINK-12261
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 1.Add support for generating optimized logical plan for Group window. (Almost
> same to Legacy runner)
> 2.Let WindowProperty be independent of Expression.
> 3.Introduce batch execution sort group window
> 4.Introduce batch execution hash group window
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