BEGIN 
    OPEN cur_case_name_search; 

    LOOP 
        FETCH cur_case_name_search INTO v_case_name_row; 

        EXIT WHEN cur_case_name_search%NOTFOUND 
                   OR v_case_name_row.rank > v_matchingvalue 
                   OR o_pid_rank_tab.count >= 
                      ukcc_constants.c_casename_search_threshold 
                      + 1; 

        v_prev_score := v_case_name_row.sc; 

        IF Nvl (v_persistentid, '~') != v_case_name_row.persistentid THEN 
          IF Check_duplicates (v_case_name_row.persistentid, o_pid_rank_tab) 
          THEN 
            o_pid_rank_tab.extend; 

            O_pid_rank_tab (o_pid_rank_tab.count) := 
            Ukcc_pid_score_type ( 
            v_case_name_row.persistentid, v_case_name_row.sc); 
          END IF; 
        END IF; 
    END LOOP; 

    CLOSE cur_case_name_search; 
END;