Not sure what you mean. Do you want to choose some columns of a Row and convert it to an Arrray ?
On Fri, Dec 25, 2015 at 3:35 PM, zml张明磊 <mingleizh...@ctrip.com> wrote: > > > Hi, > > > > I am a new to Scala and Spark and trying to find relative API in > DataFrame > to solve my problem as title described. However, I just only find this API > *DataFrame.col(colName > : String) : Column * which returns an object of Column. Not the content. > If only DataFrame support such API which like *Column.toArray : Type* is > enough for me. But now, it doesn’t. How can I do can achieve this function > ? > > > > Thanks, > > Minglei. > -- Best Regards Jeff Zhang
