xinrong-databricks commented on a change in pull request #32821:
URL: https://github.com/apache/spark/pull/32821#discussion_r649357721
##########
File path: python/pyspark/pandas/data_type_ops/num_ops.py
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@@ -344,3 +344,20 @@ def rfloordiv(left, right):
right = transform_boolean_operand_to_numeric(right,
left.spark.data_type)
return numpy_column_op(rfloordiv)(left, right)
+
+ def isnull(self, ser):
+ return ser._with_new_scol(ser.spark.column.isNull() |
F.isnan(ser.spark.column))
+
+
+class DecimalOps(FractionalOps):
+ """
+ The class for decimal operations of pandas-on-Spark objects with spark
type:
+ DecimalType.
+ """
+
+ @property
+ def pretty_name(self) -> str:
+ return "decimal"
+
+ def isnull(self, ser):
Review comment:
Shall we add type annotations?
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