AssertionError: Col Should Be Column

How to create a new column in PySpark and fill this column with the date of today? This is what I tried: import datetime now = datetime.datetime.now() df = df.withColumn('date', st

Solution 1:

How to create a new column in PySpark and fill this column with the date of today?

There is already function for that:

from pyspark.sql.functions import current_date

df.withColumn("date", current_date().cast("string"))

AssertionError: col should be Column

Use literal

from pyspark.sql.functions import lit

df.withColumn("date", lit(str(now)[:10]))