protected function initRequiredColumns() {
     parent::initRequiredColumns();
     $this->addRequiredColumn('firstname');
     $this->addRequiredColumn('lastname');
 }
 protected function initRequiredColumns() {
     parent::initRequiredColumns();
     $this->addRequiredColumn(Pap_Db_Table_Users::MINIMUM_PAYOUT);
     $this->addRequiredColumn('name');
     $this->addRequiredColumn(Gpf_Db_Table_AuthUsers::FIRSTNAME);
     $this->addRequiredColumn(Gpf_Db_Table_AuthUsers::LASTNAME);
     $this->addRequiredColumn(Pap_Db_Table_Transactions::COMMISSION);
     $this->addRequiredColumn('rstatus');
     $this->addRequiredColumn('dateinserted');
 }