mapTopair that time you can break the key. On 8 June 2015 at 23:27, Bill Q <bill.q....@gmail.com> wrote:
> Hi, > I have a rdd with the following structure: > row1: key: Seq[a, b]; value: value 1 > row2: key: seq[a, c, f]; value: value 2 > > Is there an efficient way to "de-flat" the rows into? > row1: key: a; value: value1 > row2: key: a; value: value2 > row3: key: b; value: value1 > row4: key: c; value: value2 > row5: key: f; value: value2 > > > Many thanks. > > > Bill >