[GitHub] xueyumusic opened a new pull request #7059: [FLINK-10686][table] Port UDFs in Table API extension points to flink-table-common

[GitBox <gi...@apache.org>]

xueyumusic opened a new pull request #7059: [FLINK-10686][table] Port UDFs in Table API extension points to flink-table-common
URL: https://github.com/apache/flink/pull/7059
 
 
   ## What is the purpose of the change
   
   This PR tries to port UDFs interfaces of TableApi extension points to flink-table-common in java. Right now  it ports UserDefinedFunction, ScalarFunction, TableFunction, AggregateFunction, DistinctAggregateFunction in org.apache.flink.table.functions execpt FunctionService and TemporalTableFunction. FunctionService and TemporalTableFunction may be could be ported following.
   
   
   ## Brief change log
   
   *(for example:)*
     - *port several scala file in org.apache.flink.table.functions to java *
   
   ## Verifying this change
   
   This change is a code refactor with existed tests.
   
   
   ## 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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