zero323 commented on a change in pull request #35032:
URL: https://github.com/apache/spark/pull/35032#discussion_r775952162
##########
File path: python/pyspark/sql/tests/test_functions.py
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@@ -286,6 +289,42 @@ def test_dayofweek(self):
row = df.select(dayofweek(df.date)).first()
self.assertEqual(row[0], 2)
+ # Test added for SPARK-37738; change Python API to accept both col & int
as input
+ def test_date_add_function(self):
+ dt = datetime.date(2021, 12, 27)
+ df = self.spark.createDataFrame([Row(date=dt, add=2)])
+ # default number in Python gets converted to LongType column
+ df = df.withColumn("add", col("add").cast("integer"))
+
+ row_via_col_addition = df.select(date_add(df.date, df.add)).first()
+ self.assertEqual(row_via_col_addition[0], datetime.date(2021, 12, 29))
+ row_via_scalar_addition = df.select(date_add(df.date, 3)).first()
+ self.assertEqual(row_via_scalar_addition[0], datetime.date(2021, 12,
30))
+
+ # Test added for SPARK-37738; change Python API to accept both col & int
as input
+ def test_date_sub_function(self):
+ dt = datetime.date(2021, 12, 27)
+ df = self.spark.createDataFrame([Row(date=dt, add=2)])
+ # default number in Python gets converted to LongType column
+ df = df.withColumn("add", col("add").cast("integer"))
Review comment:
This seems to be obsolete.
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