Re: [PR] [SPARK-46465][PYTHON][CONNECT] Add `Column.isNaN` in PySpark [spark]

["HyukjinKwon (via GitHub)" <gi...@apache.org>]

HyukjinKwon commented on code in PR #44422:
URL: https://github.com/apache/spark/pull/44422#discussion_r1433288955


##########
python/pyspark/sql/column.py:
##########
@@ -1153,9 +1153,22 @@ def isin(self, *cols: Any) -> "Column":
     >>> df.filter(df.height.isNotNull()).collect()
     [Row(name='Tom', height=80)]
     """
+    _isNaN_doc = """
+    True if the current expression is NaN.
+
+    .. versionadded:: 4.0.0
+
+    Examples
+    --------
+    >>> from pyspark.sql import Row
+    >>> df = spark.createDataFrame([Row(name='Tom', height=80.0), Row(name='Alice', height=float('nan'))])

Review Comment:
   ```suggestion
       >>> df = spark.createDataFrame(
       ...     [Row(name='Tom', height=80.0), Row(name='Alice', height=float('nan'))])
   ```



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