updateField	(	IcesDBObject	$object,
			$key
	)

Updates a single database field from a single row.

                                                          {
    $id = $object->id;
    $value = $object->{$key};
    $this->deleteCache();
    return db_update($this->table)->condition('id', $id)->fields(array($key => $value))->execute();
  }