public function getAllowedSQL($uid, $index = null)
 {
     $oCpy = new CCompany();
     $where = $oCpy->getAllowedSQL($uid, 'project_company');
     $oDpt = new CDepartment();
     $where += $oDpt->getAllowedSQL($uid, 'dept_id');
     $project_where = parent::getAllowedSQL($uid, $index);
     return array_merge($where, $project_where);
 }