Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/18664#discussion_r144277391
--- Diff: python/pyspark/sql/types.py ---
@@ -1619,11 +1619,47 @@ def to_arrow_type(dt):
arrow_type = pa.decimal(dt.precision, dt.scale)
elif type(dt) == StringType:
arrow_type = pa.string()
+ elif type(dt) == DateType:
+ arrow_type = pa.date32()
+ elif type(dt) == TimestampType:
+ arrow_type = pa.timestamp('us', tz='UTC')
--- End diff --
I think It'd be nicer if we have some comments for this explanation.
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