function getQuery() {
		$query = parent::getQuery();
		$query->select[] = "CASE WHEN \"{$this->manyManyParentClass}ID\" IS NULL THEN '0' ELSE '1' END AS \"Checked\"";
		$query->groupby[] = "\"{$this->manyManyParentClass}ID\""; // necessary for Postgres

		return $query;
	}
 function getQuery()
 {
     $query = parent::getQuery();
     $query->select[] = "CASE WHEN \"{$this->manyManyParentClass}ID\" IS NULL THEN '0' ELSE '1' END AS Checked";
     return $query;
 }
 function getQuery()
 {
     $query = parent::getQuery();
     $query->select[] = "IF(`{$this->manyManyParentClass}ID` IS NULL, '0', '1') AS Checked";
     return $query;
 }