Extract column values of Dataframe as List in Apache Spark

Question

I want to convert a string column of a data frame to a list. What I can find from the Dataframe API is RDD, so I tried converting it back to RDD first, and then

Answer 1

An updated solution that gets you a list:

dataFrame.select("YOUR_COLUMN_NAME").map(r => r.getString(0)).collect.toList