function at($pos)
 {
     if (!($record = parent::at($pos))) {
         return null;
     }
     return self::createObjectFromRecord($record, $this->class_path, $this->conn, $this->lazy_attributes, $this->use_proxy);
 }
 function at($pos)
 {
     if (!($record = parent::at($pos))) {
         return null;
     }
     $this->_extractPrefixedFieldsAsActiveRecords($record);
     return $record;
 }
 function at($pos)
 {
     $record = parent::at($pos);
     $this->_processRecord($record);
     return $record;
 }