quote_bound_value

# File activerecord/lib/active_record/sanitization.rb, line 163
      def quote_bound_value(value, c = connection) #:nodoc:
        if value.respond_to?(:map) && !value.acts_like?(:string)
          if value.respond_to?(:empty?) && value.empty?
            c.quote(nil)
          else
            value.map { |v| c.quote(v) }.join(',')
          end
        else
          c.quote(value)
        end
      end