How to access values in array column?

Question

I have a Dataframe with one column. Each row of that column has an Array of String values:

Values in my Spark 2.2 Dataframe

[\"123\", \"abc\", \"2017\         


        

Answer 1

Since Spark 2.4.0, there is a new function element_at($array_column, $index).

See Spark docs