HyukjinKwon commented on code in PR #46002:
URL: https://github.com/apache/spark/pull/46002#discussion_r1562004935
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python/pyspark/sql/connect/session.py:
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@@ -1034,6 +1034,20 @@ def profile(self) -> Profile:
profile.__doc__ = PySparkSession.profile.__doc__
+ def __custom_reduce_handler__(self) -> Tuple:
Review Comment:
Can we leverage `__reduce__`, call `SparkSession.getActiveSession`, and
throw an exception if it returns `None`? We can also add an explicit session ID
validation by `self._session_id == new._session_id` comparison, and would not
have to bother with the custom dispatcher stuff.
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