zhengruifeng commented on code in PR #52980:
URL: https://github.com/apache/spark/pull/52980#discussion_r2522175469
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python/pyspark/sql/types.py:
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@@ -441,6 +441,12 @@ def __repr__(self) -> str:
class TimestampType(DatetimeType, metaclass=DataTypeSingleton):
"""Timestamp (datetime.datetime) data type."""
+ # We need to cache the timezone info for datetime.datetime.fromtimestamp
+ # otherwise the forked process will be extremely slow to convert the
timestamp.
+ # This is probably a glibc issue - the forked process will have a bad
cache/lock
+ # status for the timezone info.
+ tz_info = None
Review Comment:
The missing timezone causes a lot of confusion when we have to convert the
timezone
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