I am doing it by creating a new data frame out of the fields to be nested and then join with the original DF. Looking for some optimized solution here.
On Fri, Aug 7, 2015 at 2:06 PM, Rishabh Bhardwaj <rbnex...@gmail.com> wrote: > Hi all, > > I want to have some nesting structure from the existing columns of > the dataframe. > For that,,I am trying to transform a DF in the following way,but couldn't > do it. > > scala> df.printSchema > root > |-- a: string (nullable = true) > |-- b: string (nullable = true) > |-- c: string (nullable = true) > |-- d: string (nullable = true) > |-- e: string (nullable = true) > |-- f: string (nullable = true) > > *To* > > scala> newDF.printSchema > root > |-- a: string (nullable = true) > |-- b: string (nullable = true) > |-- c: string (nullable = true) > |-- newCol: struct (nullable = true) > | |-- d: string (nullable = true) > | |-- e: string (nullable = true) > > > help me. > > Regards, > Rishabh. >
