inner_join.rb in arc-furnace-0.1.4

- old
+ new

@@ -14,11 +14,11 @@
   class InnerJoin < AbstractJoin
 
     def advance
       loop do
         @value = source.row
-        break if value.nil?
-        if merge_source_row(value)
+        break if @value.nil?
+        if merge_source_row(@value)
           break
         end
       end
     end
 