PL/SQL语句被忽略＆值不足

Question

--Below is for testing only - to be deleted later 
CREATE OR REPLACE PROCEDURE movie_rental_sp 
    (movieIdCount IN OUT NUMBER, 
    movieID IN OUT NUMBER) 
IS 
noMovie EXCEPTION; 
BEGIN 
SELECT MOVIE_ID, count(movie_id) 
    INTO movieIdCount 
    FROM MM_MOVIE 
    WHERE MOVIE_ID = movieID; 
IF movieIdCount = 0 THEN 
RAISE noMovie; 
END IF; 


EXCEPTION 
    WHEN noMovie THEN 
    DBMS_OUTPUT.PUT_LINE('No movies found'); 
END; 
/

警告：使用编译错误创建的过程。

SQL>显示错误 误差的程序MOVIE_RENTAL_SP：

LINE/COL ERROR

---

7/1 PL/SQL：SQL语句忽略 9/2 PL/SQL：ORA-00947 ：没有足够的值

Answer 1

您的SELECT有2列，但您的INTO只有1个变量。

Answer 2

更改SELECT语句，

SELECT MOVIE_ID, count(movie_id) 
INTO movieID , movieIdCount 
.....