Hi Vijay,
Please ignore parts of my previous email. The solution is a bit more
complicated.
Of the three metrics only the Adspend is truly additive. Summing the
category fields makes no sense. This means you have to design the
implementation of the SummarySetOperations class so that it makes
in
Vijay,
Sorry about the delay in getting back to you.
There is some critical information missing from your description and that
is the domain of what you are sketching.
I presume that it is User-IDs, otherwise it doesn't make sense.
If this is the case I think the solution can be achieved in a coup
