Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/8934#discussion_r41346674 --- Diff: python/pyspark/sql/types.py --- @@ -1209,6 +1219,12 @@ def __new__(self, *args, **kwargs): else: raise ValueError("No args or kwargs") + def __init__(self, *args, **kwargs): + if hasattr(self, "__fields__") and "count" in self.__fields__: --- End diff -- To do this check once per class might be not possible because we can only know the field names during initialise a row.
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