[GitHub] [spark] xinrong-databricks commented on a change in pull request #32821: [SPARK-35342][PYTHON] Introduce DecimalOps and make `isnull` method data-type-based

xinrong-databricks commented on a change in pull request #32821: URL: https://github.com/apache/spark/pull/32821#discussion_r650119142 ## File path: python/pyspark/pandas/data_type_ops/base.py ## @@ -206,3 +209,10 @@ def restore(self, col: pd.Series) -> pd.Series: def prep

[GitHub] [spark] xinrong-databricks commented on a change in pull request #32821: [SPARK-35342][PYTHON] Introduce DecimalOps and make `isnull` method data-type-based

xinrong-databricks commented on a change in pull request #32821: URL: https://github.com/apache/spark/pull/32821#discussion_r651963338 ## File path: python/pyspark/pandas/data_type_ops/num_ops.py ## @@ -395,3 +400,17 @@ def astype( return _as_string_type(index_ops,