Github user holdenk commented on a diff in the pull request: https://github.com/apache/spark/pull/16536#discussion_r97907507 --- Diff: python/pyspark/sql/functions.py --- @@ -1826,19 +1826,27 @@ class UserDefinedFunction(object): def __init__(self, func, returnType, name=None): self.func = func self.returnType = returnType - self._judf = self._create_judf(name) - - def _create_judf(self, name): + self._judf_placeholder = None --- End diff -- Maybe add a comment explaining the purposes of this, just for future readers of the code.
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