public function getItemIds()
{
$set_items = new Dase_DBO_ItemsetItem($this->db);
$set_items->itemset_id = $this->id;
$set_items->orderBy('sort_order, created');
$item_ids_array = array();
foreach ($set_items->findAll(1) as $si) {
$item_ids_array[] = $si->item_id;
}
return $item_ids_array;
}
