How to convert DataFrame to RDD in Scala?

Question

Can someone please share how one can convert a dataframe to an RDD?

Answer 1

I was just looking for my answer and found this post.

Jean's answer to absolutely correct,adding on that "df.rdd" will return a RDD[Rows]. I need to apply split() once i get RDD. For that we need to convert RDD[Row} to RDD[String]

val opt=spark.sql("select tags from cvs").map(x=>x.toString()).rdd