On 18/07/2023 10:33, Wencong Liu wrote:
For FLINK-6912:

     There are three implementations of RichFunction that actually use
the Configuration parameter in RichFunction#open:
     1. ContinuousFileMonitoringFunction#open: It uses the configuration
to configure the FileInputFormat. [1]
     2. OutputFormatSinkFunction#open: It uses the configuration
to configure the OutputFormat. [2]
     3. InputFormatSourceFunction#open: It uses the configuration
  to configure the InputFormat. [3]

And none of them should have any effect since the configuration is empty.

See org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator#open.

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