dianfu commented on a change in pull request #14422:
URL: https://github.com/apache/flink/pull/14422#discussion_r545706863
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File path: flink-python/pyflink/fn_execution/beam/beam_coder_impl_slow.py
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@@ -144,15 +144,17 @@ def __repr__(self):
class RowCoderImpl(FlattenRowCoderImpl):
- def __init__(self, field_coders):
+ def __init__(self, field_coders, field_names):
super(RowCoderImpl, self).__init__(field_coders)
+ self.field_names = field_names
def encode_to_stream(self, value: Row, out_stream, nested):
self._encode_one_row_to_stream(value, out_stream, nested)
def decode_from_stream(self, in_stream, nested):
row_kind_value, fields = self._decode_one_row_from_stream(in_stream,
nested)
row = Row(*fields)
+ row._fields = self.field_names
Review comment:
What about add a method set_field_names to Row?
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