Yes, thank you.
Thanks,
Sreekanth,
+1 (571) 376-0714
On Nov 18, 2016 6:33 AM, "Stuart White" <stuart.whi...@gmail.com> wrote:
> Is this what you're looking for?
>
> val df = Seq(
> (1, "A"),
> (1, "B"),
> (1, "C"),
> (2, "D"),
> (3, "E")
> ).toDF("foo", "bar")
>
> val colList = Seq("foo", "bar")
> df.sort(colList.map(col(_).desc): _*).show
>
> +---+---+
> |foo|bar|
> +---+---+
> | 3| E|
> | 2| D|
> | 1| C|
> | 1| B|
> | 1| A|
> +---+---+
>
> On Fri, Nov 18, 2016 at 1:15 AM, Sreekanth Jella <jsreekan...@gmail.com>
> wrote:
> > Hi,
> >
> > I'm trying to sort multiple columns and column names are dynamic.
> >
> > df.sort(colList.head, colList.tail: _*)
> >
> >
> > But I'm not sure how to sort in descending order for all columns, I tried
> > this but it's for only first column..
> >
> > df.sort(df.col(colList.head).desc)
> > How can I pass all column names (or some) with descending order.
> >
> >
> > Thanks,
> > Sreekanth
>
