unsubscribe

How to set Map values in spark/scala

Hello, I am new to spark-scala development. I am trying to create map values in spark using scala but getting nothing printed def createMap() : Map[String, Int] = {var tMap:Map[String, Int] = Map()val tDF = spark.sql("select a, b, c from temp")for (x <- tDF) { val k = x.getAs[Long](0) + "|" +