hequn8128 commented on a change in pull request #13117:
URL: https://github.com/apache/flink/pull/13117#discussion_r468472919
##########
File path: flink-python/pyflink/datastream/stream_execution_environment.py
##########
@@ -465,6 +465,19 @@ def add_source(self, source_func: SourceFunction,
source_name: str = 'Custom Sou
j_type_info)
return DataStream(j_data_stream=j_data_stream)
+ def read_text_file(self, file_path: str, charset_name: str = "UTF-8") ->
DataStream:
Review comment:
Adds note that this API is not fault-tolerant and only used in test
scenarios.
##########
File path: flink-python/pyflink/datastream/data_stream.py
##########
@@ -483,7 +518,17 @@ def reduce(self, func: Union[Callable, ReduceFunction]) ->
'DataStream':
j_python_data_stream_scalar_function_operator
))
- def _values(self):
+ def key_by(self, key_selector: Union[Callable, KeySelector],
Review comment:
The two methods are not supposed to be added in this PR?
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