# File lib/active_record/sanitization.rb, line 57
      def expand_hash_conditions_for_aggregates(attrs)
        expanded_attrs = {}
        attrs.each do |attr, value|
          unless (aggregation = reflect_on_aggregation(attr.to_sym)).nil?
            mapping = aggregate_mapping(aggregation)
            mapping.each do |field_attr, aggregate_attr|
              if mapping.size == 1 && !value.respond_to?(aggregate_attr)
                expanded_attrs[field_attr] = value
              else
                expanded_attrs[field_attr] = value.send(aggregate_attr)
              end
            end
          else
            expanded_attrs[attr] = value
          end
        end
        expanded_attrs
      end