lib/piglet/field/suffix_expression.rb in piglet-0.2.5 vs lib/piglet/field/suffix_expression.rb in piglet-0.3.0

@@ -7,17 +7,19 @@
     
       def initialize(operator, expression, options=nil)
         options ||= {}
         @operator, @expression = operator, expression
         @type = options[:type] || expression.type
+        @predecessors = [expression]
       end
     
       def simple?
         false
       end
     
-      def to_s
-        "#{parenthesise(@expression)} #{@operator}"
+      def to_s(inner=false)
+        expr = if inner then @expression.field_alias else @expression end
+        "#{parenthesise(expr)} #{@operator}"
       end
     end
   end
 end
\ No newline at end of file