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Posted to issues@flink.apache.org by "Jingsong Lee (JIRA)" <ji...@apache.org> on 2019/04/19 03:09:00 UTC

[jira] [Created] (FLINK-12261) Support e2e group window in blink batch

Jingsong Lee created FLINK-12261:
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             Summary: 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


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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