xinrong-databricks commented on a change in pull request #33877:
URL: https://github.com/apache/spark/pull/33877#discussion_r699640407
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File path: python/pyspark/pandas/groupby.py
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@@ -1439,8 +1439,15 @@ def _make_pandas_df_builder_func(
the same pandas DataFrame as if the pandas-on-Spark DataFrame is
collected to driver side.
The index, column labels, etc. are re-constructed within the function.
"""
+ from pyspark.pandas.utils import default_session
+
arguments_for_restore_index =
psdf._internal.arguments_for_restore_index
+ prefer_timestamp_ntz = (
Review comment:
I am wondering if we may save it as a global variable, then we may reuse
it
https://github.com/apache/spark/pull/33877/files#diff-fac4c35e2182657dfceedcaa20fd78963573ad34f08fd597067652e66dad53eeR1455-R1457
as well.
The current approach looks good enough though.
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