hequn8128 commented on a change in pull request #10086: [FLINK-14584][python]
Support complex data types in Python user-defined functions
URL: https://github.com/apache/flink/pull/10086#discussion_r354208814
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File path: flink-python/pyflink/fn_execution/coder_impl.py
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@@ -79,6 +80,93 @@ def __repr__(self):
return 'RowCoderImpl[%s]' % ', '.join(str(c) for c in
self._field_coders)
+class ArrayCoderImpl(StreamCoderImpl):
+
+ def __init__(self, elem_coder):
+ self._elem_coder = elem_coder
+
+ def encode_to_stream(self, value, out_stream, nested):
Review comment:
It is more efficient to use null mask to handle null values rather than
adding a boolean value for every element. However, it is the behavior of Java.
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