[jira] [Created] (FLINK-21179) Split the base class of Python DataStream Function to 'Function' and 'RichFunction'

[Shang Yuanchun (Jira)]

Wei Zhong created FLINK-21179:
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             Summary: Split the base class of Python DataStream Function to 'Function' and 'RichFunction'
                 Key: FLINK-21179
                 URL: https://issues.apache.org/jira/browse/FLINK-21179
             Project: Flink
          Issue Type: Sub-task
          Components: API / Python
            Reporter: Wei Zhong
             Fix For: 1.13.0


As the ReducingState and AggregatingState only support non-rich functions, we need to split the base class of the DataStream Functions to 'Function' and 'RichFunction'.



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