/**
* Load the grouped work that this record is connected to.
*/
public function loadGroupedWork()
{
require_once ROOT_DIR . '/sys/Grouping/GroupedWorkPrimaryIdentifier.php';
require_once ROOT_DIR . '/sys/Grouping/GroupedWork.php';
$groupedWork = new GroupedWork();
$query = "SELECT grouped_work.* FROM grouped_work INNER JOIN grouped_work_primary_identifiers ON grouped_work.id = grouped_work_id WHERE type='overdrive' AND identifier = '" . $this->getUniqueID() . "'";
$groupedWork->query($query);
if ($groupedWork->N == 1) {
$groupedWork->fetch();
$this->groupedWork = clone $groupedWork;
}
}
