loadFromUniqueKey	(		$key,
			$value
	)

Retrieves and loads an object from a unique key.

Devuelve

IcesDBObject The initialized instance of IcesDBObject with $key = $value, or FALSE.

Hace referencia a $cache.

                                                  {
    if (!isset(IcesSerializer::$cache[$this->classname])) {
      $cache[$this->classname] = array();
    }
    if (!isset(IcesSerializer::$cache[$this->classname][$key])) {
      $cache[$this->classname][$key] = array();
    }
    if (!isset(IcesSerializer::$cache[$this->classname][$key][$value])) {
      $query = db_select($this->table, 't')->fields('t')->condition($key, $value)->range(0, 1);
      $result = $query->execute();
      $record = $result->fetchAssoc();
      if ($record === FALSE) {
        return FALSE;
      }
      IcesSerializer::$cache[$this->classname][$key][$value] = $this->loadFromRecord($record);
    }
    return IcesSerializer::$cache[$this->classname][$key][$value];
  }