[英]MySQL Stored Procedure Case Statement Syntax Error - Contd
The Procedure contains syntax error. 该过程包含语法错误。 Please help me in finding the error. 请帮助我找到错误。 The mySQL Workbench says that this has 8 errors and this cannot be applied to the database. MySQL Workbench表示这有8个错误,因此无法应用于数据库。 I have already posted this question. 我已经发布了这个问题。 People told me to change the CASE statement to IF.Even after changes, the error persists. 人们告诉我将CASE语句更改为IF,即使更改后错误仍然存在。 I don't know how to nest this post under the original question. 我不知道如何将此帖子嵌套在原始问题下。 The actual post was posted in this link . 实际的帖子已发布在此链接中 。 Revised syntax is posted as requested @Caius Jard 经修订的语法按要求发布@Caius Jard
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
您需要引用以数字开头的标识符:
INSERT INTO Amount(Cust_id,Book_id,Can,`300ml`,`500ml`,`1lit`,`2lit`) ...
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