linhongliu-db commented on a change in pull request #33437:
URL: https://github.com/apache/spark/pull/33437#discussion_r673643305
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File path: python/pyspark/sql/types.py
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@@ -107,7 +107,8 @@ class NullType(DataType, metaclass=DataTypeSingleton):
The data type representing None, used for the types that cannot be
inferred.
"""
- pass
+ def simpleString(self):
Review comment:
sure thing. I will double confirm changing `typeName` in python side
will not affect the `Datatype.json` because that may lead to compatibility
concerns.
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