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Subject [GitHub] [flink] godfreyhe opened a new pull request #8157: [FLINK-12170] [table-planner-blink] Add support for generating optimized logical plan for Over aggregate
Date Fri, 12 Apr 2019 09:47:14 GMT
godfreyhe opened a new pull request #8157: [FLINK-12170] [table-planner-blink] Add support
for generating optimized logical plan for Over aggregate
URL: https://github.com/apache/flink/pull/8157
 
 
   
   ## What is the purpose of the change
   
   *Add support for generating optimized logical plan for Over aggregate*
   
   ## Brief change log
   
     - *Adds physical rules to convert logical over aggregate to physical over aggregate*
     - *Adds more aggregate functions, including RANK, DENS_ERANK, ROW_NUMBER*
   
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   
     - *Added test that validates that the over aggregate physical plan*
   
   ## 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? (no)
     - If yes, how is the feature documented? (not documented)
   

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