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From GitBox <...@apache.org>
Subject [GitHub] [flink] JingsongLi opened a new pull request #15543: [FLINK-17803][table] Should throw a readable exception when group by Map type
Date Fri, 09 Apr 2021 08:12:46 GMT

JingsongLi opened a new pull request #15543:
URL: https://github.com/apache/flink/pull/15543


   
   ## What is the purpose of the change
   
   Should throw a readable exception when group by Map type.
   
   ## Brief change log
   
   Throws "Collection type is not supported as a GROUP BY field." in `FlinkLogicalAggregate`.
   
   
   ## Verifying this change
   
   `CalcITCase.testMapTypeGroupBy`
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes / no) no
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes
/ no) no
     - The serializers: (yes / no / don't know) no
     - The runtime per-record code paths (performance sensitive): (yes / no / don't know)
no
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Kubernetes/Yarn/Mesos, ZooKeeper: (yes / no / don't know) no
     - The S3 file system connector: (yes / no / don't know) no
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes / no) no


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