Add column sum as new column in PySpark dataframe

Question

I\'m using PySpark and I have a Spark dataframe with a bunch of numeric columns. I want to add a column that is the sum of all the other columns.

Suppose my datafram

Answer 1

A very simple approach would be to just use select instead of withcolumn as below:

df = df.select('*', (col("a")+col("b")+col('c).alias("total"))

This should give you required sum with minor changes based on requirements