I'm having trouble trying to flatten a bag to a tuple of int's in Pig,
e.g.
{(12),(4),(7),(190)}
to:
(12,4,7,190)
It seems like it should be trivial to do, but not quite sure how to do it.
Can this by done with inbuilt Pig
commands or do i need a custom UDF or an exec?
Many thanks,
Jon.
Hi,
I think UDF BagToTuple should do it for you.
From some old email thread, I find (I think you will have to change
getBagField to get etc)--
public class BagToTuple extends EvalFuncTuple{
@Override
public void exec(Tuple input, Tuple output) throws IOException{
DataBag bag =
