HyukjinKwon commented on a change in pull request #33877:
URL: https://github.com/apache/spark/pull/33877#discussion_r703364329
##########
File path: python/pyspark/pandas/data_type_ops/datetime_ops.py
##########
@@ -58,15 +66,18 @@ def sub(self, left: IndexOpsLike, right: Any) ->
SeriesOrIndex:
"The timestamp subtraction returns an integer in seconds, "
"whereas pandas returns 'timedelta64[ns]'."
)
- if isinstance(right, IndexOpsMixin) and
isinstance(right.spark.data_type, TimestampType):
+ if isinstance(right, IndexOpsMixin) and isinstance(
+ right.spark.data_type, (TimestampType, TimestampNTZType)
+ ):
warnings.warn(msg, UserWarning)
return left.astype("long") - right.astype("long")
Review comment:
This is to work around pandas' behaviour on internal types. PySpark
didn't yet implement internal types so we can't let Spark do the implicit cast
here.
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