xinrong-meng commented on code in PR #39585:
URL: https://github.com/apache/spark/pull/39585#discussion_r1073177235
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python/pyspark/sql/connect/expressions.py:
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@@ -438,6 +438,59 @@ def __repr__(self) -> str:
return f"{self._name}({', '.join([str(arg) for arg in
self._args])})"
+class PythonFunction(Expression):
Review Comment:
Makes sense! Since `PythonUDF` is not used as an individual expression after
introducing `ScalarInlineUserDefinedFunction`, it doesn't extend `Expression`
either.
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