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Diffstat (limited to 'python/pyspark/sql/tests.py')
| -rw-r--r-- | python/pyspark/sql/tests.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/python/pyspark/sql/tests.py b/python/pyspark/sql/tests.py index 0c73f58c3b..0977c43a39 100644 --- a/python/pyspark/sql/tests.py +++ b/python/pyspark/sql/tests.py @@ -228,6 +228,13 @@ class SQLTests(ReusedPySparkTestCase): self.assertRaises(AnalysisException, lambda: df.select(df.c).first()) self.assertRaises(AnalysisException, lambda: df.select(df["c"]).first()) + def test_column_name_encoding(self): + """Ensure that created columns has `str` type consistently.""" + columns = self.spark.createDataFrame([('Alice', 1)], ['name', u'age']).columns + self.assertEqual(columns, ['name', 'age']) + self.assertTrue(isinstance(columns[0], str)) + self.assertTrue(isinstance(columns[1], str)) + def test_explode(self): from pyspark.sql.functions import explode d = [Row(a=1, intlist=[1, 2, 3], mapfield={"a": "b"})] |