protected function addSearch(Gpf_SqlBuilder_Filter $filter) {
        parent::addSearch($filter);
        $condition = new Gpf_SqlBuilder_CompoundWhereCondition();
        
        $condition->add('rc.'.Pap_Db_Table_RecurringCommissions::ORDER_ID, 'LIKE', '%'.$filter->getValue().'%', 'OR');

        $this->_selectBuilder->where->addCondition($condition, 'OR');
    }
 /**
  * @service transaction read
  * @return Gpf_Rpc_Serializable
  */
 public function getRowCount(Gpf_Rpc_Params $params) {
     return parent::getRowCount($params);
 }
 /**
  * @service transaction export_own
  * @return Gpf_Rpc_Serializable
  */
 public function getCSVFile(Gpf_Rpc_Params $params) {
     return parent::getCSVFile($params);
 }