Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/19607#discussion_r149055095 --- Diff: python/pyspark/serializers.py --- @@ -274,12 +278,13 @@ def load_stream(self, stream): """ Deserialize ArrowRecordBatches to an Arrow table and return as a list of pandas.Series. """ - from pyspark.sql.types import _check_dataframe_localize_timestamps + from pyspark.sql.types import _check_dataframe_localize_timestamps, from_arrow_schema import pyarrow as pa reader = pa.open_stream(stream) + schema = from_arrow_schema(reader.schema) for batch in reader: # NOTE: changed from pa.Columns.to_pandas, timezone issue in conversion fixed in 0.7.1 - pdf = _check_dataframe_localize_timestamps(batch.to_pandas()) + pdf = _check_dataframe_localize_timestamps(batch.to_pandas(), schema, self._timezone) --- End diff -- Yes, current implementation is doing (1). I'm not sure if we should hold the timezone. cc @cloud-fan @gatorsmile
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