code: def to_match(self):
          
          self.validate()
  
          # We don't want the dollar sign as part of the variable name.
          variable_with_no_dollar_sign = self.variable_name[1:]
  
          match_variable_name = '{%s}' % (six.text_type(variable_with_no_dollar_sign),)
  
          # We can't directly pass a Date or DateTime object, so we have to pass it as a string
          # and then parse it inline. For date format parameter meanings, see:
          # http://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html
          # For the semantics of the date() OrientDB SQL function, see:
          # http://orientdb.com/docs/last/SQL-Functions.html#date
          if GraphQLDate.is_same_type(self.inferred_type):
              return u'date(%s, "%s")' % (match_variable_name, STANDARD_DATE_FORMAT)
          elif GraphQLDateTime.is_same_type(self.inferred_type):
              return u'date(%s, "%s")' % (match_variable_name, STANDARD_DATETIME_FORMAT)
          else:
              return match_variable_name
docs: Return a unicode object with the MATCH representation of this Variable.