lib/dasht/metric.rb in dasht-0.1.4 vs lib/dasht/metric.rb in dasht-0.1.5

@@ -43,11 +43,11 @@
 
     def trim_to(ts)
       pointer = nil
       @checkpoints.trim_while do |s, p|
         pointer = p
-        s < ts
+        (s || 0) < ts
       end
       @data.trim_to(pointer)
       return
     end
 
@@ -55,11 +55,11 @@
       # Get a pointer to our location in the data.
       start_pointer = nil
       end_pointer = nil
       prev_p = nil
       @checkpoints.enum.each do |s, p|
-        start_pointer ||= p if start_ts <= s
-        end_pointer   ||= prev_p if end_ts && end_ts <= s
+        start_pointer ||= p if start_ts <= (s || 0)
+        end_pointer   ||= prev_p if end_ts && end_ts <= (s || 0)
         break if start_pointer && (end_ts.nil? || end_pointer)
         prev_p = p
       end
       start_pointer ||= @data.tail_pointer
       end_pointer ||= @data.tail_pointer