小编Vic*_*nok的帖子

CREATE OR REPLACE TYPE gma_trg_eval AS OBJECT (
v_id NUMBER, 
v_year NUMBER, 
v_max_id NUMBER, 
v_min_id NUMBER, 
v_max_year NUMBER, 
v_min_year NUMBER);

CREATE OR REPLACE TYPE gma_trg_eval_table AS TABLE OF gma_trg_eval;

CREATE OR REPLACE FUNCTION gma_trg_test (v_p NUMBER, v_y NUMBER)
    RETURN gma_trg_eval_table PIPELINED 
IS
    v_r gma_trg_eval;
BEGIN
    SELECT MAX (id), MIN (id)
      INTO v_r.v_max_id, v_r.v_min_id
      FROM gma_trg_time_periods
     WHERE year_id = v_y;

    SELECT MAX (year_id), MIN (year_id)
      INTO v_r.v_max_year, v_r.v_min_year
      FROM gma_trg_time_periods;

    SELECT year_id, id
      INTO v_r.v_year, v_r.v_id
      FROM gma_trg_time_periods
     WHERE period = …