BryanCutler commented on a change in pull request #24298:
[SPARK-27276][PYTHON][SQL] Increase minimum version of pyarrow to 0.12.1 and
remove prior workarounds
URL: https://github.com/apache/spark/pull/24298#discussion_r272710361
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File path: python/pyspark/serializers.py
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@@ -289,7 +291,6 @@ def _create_batch(self, series):
def create_array(s, t):
mask = s.isnull()
Review comment:
Yes, it's need to correctly insert NULL values in timestamps, since there is
a `fillna(0)` done on the series.
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