DECLARE 
    c NUMBER;
    TYPE t_ID_SUBJECT IS TABLE OF TABLE1.ID_SUBJECT%TYPE INDEX BY PLS_INTEGER;
    TYPE t_ID_DETECTION IS TABLE OF TABLE1.ID_DETECTION%TYPE INDEX BY PLS_INTEGER;
    v_ID_SUBJECT t_ID_SUBJECT ;
    v_ID_DETECTION t_ID_DETECTION;

BEGIN
        
        DECLARE 
          CURSOR c_TABLE IS
              SELECT  jd.ID_DETECTION,
                      jd.ID_SUBJECT
                FROM TABLE1 jd     ;
        
          BEGIN
          
                OPEN c_TABLE;
                FETCH c_TABLE BULK COLLECT
                  INTO  v_ID_DETECTION,
                        v_ID_SUBJECT;
                CLOSE c_TABLE;
    
------

                SELECT COUNT(*) INTO c
                    FROM  table(v_ID_DETECTION) t;

--получаю  ORA-22905: невозможно получить доступ к строкам элемента, не являющегося вложенной таблицей 

                 DBMS_OUTPUT.PUT_LINE(c);
               
          END;

END;

CREATE TYPE t_ID_SUBJECT IS OBJECT (varchar2(36));