How to correctly import pyspark.sql.functions?

Question

from pyspark.sql.functions import isnan, when, count, sum , etc...
It is very tiresome adding all of it. Is there a way to import all of it at once?

Answer 1

You can try to use from pyspark.sql.functions import *. This method may lead to namespace coverage, such as pyspark sum function covering python built-in sum function.

Another insurance method: import pyspark.sql.functions as F, use method: F.sum.

Answer 2

Simply:

import pyspark.sql.functions as f

And use it as:

f.sum(...)
f.to_date(...)