Github user zasdfgbnm commented on a diff in the pull request: https://github.com/apache/spark/pull/18444#discussion_r124536696 --- Diff: python/pyspark/sql/tests.py --- @@ -2259,6 +2261,69 @@ def test_BinaryType_serialization(self): df = self.spark.createDataFrame(data, schema=schema) df.collect() + # test for SPARK-16542 + def test_array_types(self): + # This test need to make sure that the Scala type selected is at least + # as large as the python's types. This is necessary because python's + # array types depend on C implementation on the machine. Therefore there + # is no machine independent correspondence between python's array types + # and Scala types. + # See: https://docs.python.org/2/library/array.html --- End diff -- @ueshin The answer to your question is explained here, a couple lines of comments I just added.
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