How to extract a single (column/row) value from a dataframe using PySpark?

Question

Here\'s my spark code. It works fine and returns 2517. All I want to do is to print \"2517 degrees\"...but I\'m not sure how to extract that 2517 into a variable. I can only

Answer 1

here is the alternative:

df.first()['column name']

it will give you the desired output. you can store it in a variable.

Answer 2

I think you're looking for collect. Something like this should get you the value:

df.collect()[0]['count(DISTINCT AP)']

assuming the column name is 'count(DISTINCT AP)'