xml_column_fallback

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 325
      def xml_column_fallback(*args)
        case @base.adapter_name.downcase
          when 'sqlite', 'mysql'
            options = args.extract_options!
            column(args[0], :text, options)
          end
        end