dongjoon-hyun commented on a change in pull request #25321:
[SPARK-28153][PYTHON][BRANCH-2.4] Use AtomicReference at InputFileBlockHolder
(to support input_file_name with Python UDF)
URL: https://github.com/apache/spark/pull/25321#discussion_r309488096
##########
File path: python/pyspark/sql/tests.py
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@@ -847,6 +847,14 @@ def test_input_file_name_reset_for_rdd(self):
for result in results:
self.assertEqual(result[0], '')
+ def test_input_file_name_udf(self):
Review comment:
Got it~
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