以下代码中的一个语法错误。 mysql的响应是
错误1064:您的SQL语法有错误;查看手册 对应于您的MySQL服务器版本的正确语法, 在'300ml','500ml','1lit','2lit'附近使用) VALUES(m_cust_id,IN_book_id,(SELECT Rate.Can * Book'在第24行SQL 声明
以下是步骤。
CREATE PROCEDURE `calculate_amount` (in IN_book_id INT, in IN_qty INT )
BEGIN
-- declare
DECLARE m_prdct VARCHAR(10);
DECLARE m_cust_id INT(5);
-- select into
SELECT
Product
FROM
Bookings
WHERE
Book_id = IN_book_id INTO m_prdct;
SELECT
Cust_id
FROM
Bookings
WHERE
Book_id = IN_book_id INTO m_cust_id;
-- conditionals & action
IF (m_prdct = '20ltr') THEN
INSERT INTO Amount (Cust_id,Book_id,Can,'300ml','500ml','1lit','2lit') VALUES(m_cust_id,IN_book_id,(SELECT Rate.Can*Bookings.Qty FROM Rate,Bookings WHERE Bookings.Book_id=IN_book_id),0,0,0,0);
ELSEIF (m_prdct = '300ml') THEN
INSERT INTO Amount(Cust_id,Book_id,Can,'300ml','500ml','1lit','2lit') VALUES(m_cust_id,IN_book_id,0,(SELECT Rate.300ml*Bookings.Qty FROM Rate,Bookings WHERE Bookings.Book_id=IN_book_id),0,0,0);
ELSEIF (m_prdct = '500ml') THEN
INSERT INTO Amount(Cust_id,Book_id,Can,'300ml','500ml','1lit','2lit') VALUES(m_cust_id,IN_book_id,0,0,(SELECT Rate.500ml*Bookings.Qty FROM Rate,Bookings WHERE Bookings.Book_id=IN_book_id),0,0);
ELSEIF (m_prdct = '1ltr') THEN
INSERT INTO Amount(Cust_id,Book_id,Can,'300ml','500ml','1lit','2lit') VALUES(m_cust_id,IN_book_id,0,0,0,(SELECT Rate.1lit*Bookings.Qty FROM Rate,Bookings WHERE Bookings.Book_id=IN_book_id),0);
ELSE
INSERT INTO Amount(Cust_id,Book_id,Can,'300ml','500ml','1lit','2lit') VALUES(m_cust_id,IN_book_id,0,0,0,0,(SELECT Rate.2lit*Bookings.Qty FROM Rate,Bookings WHERE Bookings.Book_id=IN_book_id));
-- end
END IF;
END