code: def get_last_field(self, field, table=None):
          '''Shortcut for querying to get the last field value for
          a given owner, cube.
  
          :param field: field name to query
          '''
          field = field if is_array(field) else [field]
          table = self.get_table(table, except_=False)
          if table is None:
              last = None
          else:
              is_defined(field, 'field must be defined!')
              last = self.find(table=table, fields=field, scalar=True,
                               sort=field, limit=1, descending=True,
                               date='~', default_fields=False)
          logger.debug("last %s.%s: %s" % (table, list2str(field), last))
          return lasf get_last_field(self, field, table=None):
          '''Shortcut for querying to get the last field value for
          a given owner, cube.
  
          :param field: field name to query
          '''
          field = field if is_array(field) else [field]
          table = self.get_table(table, except_=False)
          if table is None:
              last = None
          else:
              is_defined(field, 'field must be defined!')
              last = self.find(table=table, fields=field, scalar=True,
                               sort=field, limit=1, descending=True,
                               date='~', default_fields=False)
          logger.debug("last %s.%s: %s" % (table, list2str(field), last))
          return last
docs: Shortcut for querying to get the last field value for
          a given owner, cube.
  
          :param field: field name to query