cshuo opened a new pull request #10815: [FLINK-15537][table-planner-blink] Type 
of keys should be `BinaryRow`…
URL: https://github.com/apache/flink/pull/10815
 
 
   ## What is the purpose of the change
   
   Fix bug of distinct aggregate codegen when key type of distinct `MapView` is 
`BaseRow`.
   
   ## Brief change log
     - This PR mainly fix some problems of `DistinctAggCodeGen`.
     - BTW, refine name problems of `ListAgg` aggregate function in tests..
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   
     - Added integration tests in `AggregateITCase`.
   
   ## 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)
   

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