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Subject [GitHub] [flink] JingsongLi opened a new pull request #8221: [FLINK-12261][table-planner-blink] Support e2e group window in blink batch
Date Fri, 19 Apr 2019 03:16:22 GMT
JingsongLi opened a new pull request #8221: [FLINK-12261][table-planner-blink] Support e2e
group window in blink batch
URL: https://github.com/apache/flink/pull/8221
 
 
   ## What is the purpose of the change
   
   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
   5.Add REINTERPRET_CAST to BuiltInFunctionDefinitions
   
   ## Verifying this change
   
   ut
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes)
     - If yes, how is the feature documented? (JavaDocs)
   

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