This currently is not possible, considering the existence of flatten is
should definitely be added. There is a larger issue that we do not support
all of the patterns that users will expect with lists. Drill is also unable
to apply a scalar function over all of the elements of a list, or apply an
a
I was just looking through the documentation and I don't see a way to group
data and then create a list. Flatten turns a list into individual
records. I would like to turn some fields from a grouped set of records
into a list of objects or a list of values.
