Using an NSPredicate, you can fetch only certain rows from Core Data using a subquery, e.g. SUBQUERY(records, $r, $r.length > 10).@count > 0. Is there a way to actually fetch the aggregated data from the subquery as a fetched property?
Using an NSPredicate, you can fetch only certain rows from Core Data using a subquery, e.g. SUBQUERY(records, $r, $r.length > 10).@count > 0. Is there a way to actually fetch the aggregated data from the subquery as a fetched property?