You will need to use user defined aggregates for this Le 23 oct. 2018 16:46, "Joseph Wonesh" <joseph.won...@sticknfind.com> a écrit :
> Hello all, > > I am trying to aggregate rows which each contain a column of Set<BIGINT>. > I would like the result to contain the sum of all sets, where null would be > equivalent to the empty set. I expected a query like: "select > sum(my_set_column) from my_table group by my_key_column" to do this, but > the set type is not supported by this aggregate. Does anyone know of a way > to aggregate this using existing cassandra built-ins? Thanks! > > This message is private and confidential. If you have received message in > error, please notify us and remove from your system.
