dianfu commented on a change in pull request #10907: [FLINK-15675][python] Add
exception and documentation that Python UDF is not supported for Flink Planner
under batch mode
URL: https://github.com/apache/flink/pull/10907#discussion_r368357419
##########
File path: flink-python/pyflink/table/table_environment.py
##########
@@ -743,6 +743,8 @@ def register_function(self, name, function):
:param function: The python user-defined function to register.
:type function: pyflink.table.udf.UserDefinedFunctionWrapper
"""
+ if not self._is_blink_planner and isinstance(self,
BatchTableEnvironment):
+ raise Exception("Python UDF is not supported for Flink Planner
under batch mode!")
Review comment:
ditto
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