cloud-fan commented on code in PR #50286:
URL: https://github.com/apache/spark/pull/50286#discussion_r1998740474
##########
python/pyspark/sql/tests/test_dataframe.py:
##########
@@ -1076,6 +1076,32 @@ def test_metadata_column(self):
[Row(0), Row(0), Row(0)],
)
+ def test_with_column_and_generator(self):
+ # SPARK-51451: Generators should be available with withColumn
+ df = self.spark.createDataFrame([("082017",)], ["dt"]).select(
+ to_date(col("dt"), "MMyyyy").alias("dt")
+ )
+ df_dt = df.withColumn("dt", date_format(col("dt"), "MM/dd/yyyy"))
+ monthArray = [lit(x) for x in range(0, 12)]
+ df_month_y = df_dt.withColumn("month_y", explode(array(monthArray)))
Review Comment:
How does it introduce nested generator functions?
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