[GitHub] [spark] dgd-contributor commented on a change in pull request #34005: [SPARK-36762][PYTHON] Fix Series.isin when Series has NaN values

[GitBox <gi...@apache.org>]

dgd-contributor commented on a change in pull request #34005:
URL: https://github.com/apache/spark/pull/34005#discussion_r710345143



##########
File path: python/pyspark/pandas/base.py
##########
@@ -873,7 +873,11 @@ def isin(self: IndexOpsLike, values: Sequence[Any]) -> IndexOpsLike:
             )
 
         values = values.tolist() if isinstance(values, np.ndarray) else list(values)
-        return self._with_new_scol(self.spark.column.isin([SF.lit(v) for v in values]))
+
+        other = [SF.lit(v) for v in values]
+        scol = self.spark.column.isin(other)
+
+        return self._with_new_scol(F.when(scol.isNull(), False).otherwise(scol))

Review comment:
       thank you, done.




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