No. Bags are written with the explicit assumption that once reading begins,
there will never be another write to the bag. This simplifies a lot of the
code in the bags as far as spilling.
Alan.
On Feb 13, 2012, at 6:19 PM, Jonathan Coveney wrote:
> I feel like the answer is that it is not safe, but I'd like to make sure.
> IE is the following ok, and if it is not, why not?
>
> public DataBag exec(Tuple input) throws IOException {
> DataBag bag = (DataBag)input.get(0);
> long index=0;
> for (Tuple tuple : bag) {
> tuple.append(index++);
> }
> return bag;
> }
>
> Appreciate the guidance.
