lib/tabs/metrics/counter.rb in tabs-0.6.1 vs lib/tabs/metrics/counter.rb in tabs-0.6.2

@@ -29,10 +29,14 @@
         filtered_pairs = fill_missing_dates(period, filtered_pairs, resolution)
         filtered_pairs.map { |p| Hash[[p]] }
       end
 
       def total
-        get("stat:counter:#{key}:total").to_i
+        (get("stat:counter:#{key}:total") || 0).to_i
+      end
+
+      def drop!
+        del_by_prefix("stat:counter:#{key}")
       end
 
       private
 
       def increment_resolution(resolution, timestamp)