dianfu commented on a change in pull request #9858: [FLINK-14208][python]
Optimize Python UDFs with parameters of constant values
URL: https://github.com/apache/flink/pull/9858#discussion_r332887786
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File path: flink-python/pyflink/fn_execution/operations.py
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@@ -79,6 +82,34 @@ def get(self, value):
return self.scalar_function_invoker.invoke_eval(value)
+serializer = PickleSerializer()
+
+
+class ConstantInputGetter(InputGetter):
+ """
+ InputGetter for the input argument which is the constant value.
Review comment:
`which is the constant value.` to `which is a constant value`
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