This would be great. Save us from GROUP ALL/FOREACH, which is awkward. On Fri, Jun 11, 2010 at 7:14 PM, Dmitriy Ryaboy <dvrya...@gmail.com> wrote:
> It would be cool to just treat relations as bags in the general case. They > kind of are, and kind of are not. Causes lots of user confusion. > There are obvious users-doing-dumb-stuff scenarios that arise though. > I guess the Pig philosophy is that the user is the optimizer, though.. so > maybe it's ok. > > -D > > On Fri, Jun 11, 2010 at 6:42 PM, Russell Jurney <russell.jur...@gmail.com > >wrote: > > > Would it be possible, and not a ton of work to make the builtin SIZE() > work > > on a relation? Reason being, I frequently do this: > > > > B = GROUP A ALL; > > C = FOREACH B GENERATE SIZE(A) AS total; > > DUMP C; > > > > And I would rather do this: > > > > DUMP SIZE(A); > > > > Russ > > >
