How to create a custom Encoder in Spark 2.X Datasets?

Question

Spark Datasets move away from Row\'s to Encoder\'s for Pojo\'s/primitives. The Catalyst engine uses an ExpressionEncoder to convert column

Answer 1

I imported spark.implicits._ Where spark is the SparkSession and it solved the error and custom encoders got imported.

Also, writing a custom encoder is a way out which I've not tried.

Working solution:- Create SparkSession and import the following

import spark.implicits._