最近我接触了一本php 与 mysql,老外写的一本书，书中有个tshirtshop网店代码，其中操作数据库的大多用的是mysql存储过程
一开始用phpMyAdmin来执行，后来出现一堆错误，后来去掉了begin,end之后可以正常执行，但要执行存储过程，在phpMyAdmn中不行，而在mysql命令行文本框中就可以。
接下来又遇到更难的问题，在存储过程中加入预处理语句，更不行了，在mysql命令行文本框下执行同样，下面的运行记录，给大家参考，能否有高手来帮助。文章源自很文博客https://www.hinwi.com/很文博客-https://www.hinwi.com/52257.html
- mysql> CREATE PROCEDURE catalog_get_products_in_category(
- -> IN inCategoryId INT, IN inShortProductDescriptionLength INT,
- -> IN inProductsPerPage INT, IN inStartItem INT)
- -> begin
- -> SELECT p.product_id, p.name,IF(LENGTH(p.description) <= inShortProductD
- escriptionLength, p.description,
- -> CONCAT(LEFT(p.description, inShortProductDescriptionLength),'...')) AS
- description, p.price, p.discounted_price, p.thumbnail
- -> FROM product p INNER JOIN product_category pc ON p.product_id = pc.pro
- duct_id
- -> WHERE pc.category_id = inCategoryId
- -> ORDER BY p.display DESC
- -> LIMIT inStartItem;inProductsPerPage;
- -> end$$
- ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that
- corresponds to your MySQL server version for the right syntax to use near 'inSta
- rtItem;inProductsPerPage;
- end' at line 10
//原本的存储过程语句
EATE PROCEDURE catalog_get_products_in_category(
IN inCategoryId INT, IN inShortProductDescriptionLength INT,
IN inProductsPerPage INT, IN inStartItem INT)
BEGIN
PREPARE statement FROM
"SELECT p.product_id, p.name,IF(LENGTH(p.description) <= ?, p.description, CONCAT(LEFT(p.description, ?),'...')) AS description, p.price, p.discounted_price, p.thumbnail FROM product p INNER JOIN product_category pc ON p.product_id = pc.product_id WHERE pc.category_id = ? ORDER BY p.display DESC LIMIT ?, ?"; SET @p1 = inShortProductDescriptionLength; SET @p2 = inShortProductDescriptionLength; SET @p3 = inCategoryId; SET @p4 = inStartItem; SET @p5 = inProductsPerPage; EXECUTE statement USING @p1, @p2, @p3, @p4, @p5; END$$ mysql> delimiter $$
mysql> CREATE PROCEDURE catalog_get_products_in_category(
-> IN inCategoryId INT, IN inShortProductDescriptionLength INT,
-> IN inProductsPerPage INT, IN inStartItem INT)
-> BEGIN
-> PREPARE statement FROM
-> "SELECT p.product_id, p.name,IF(LENGTH(p.description) <= ?, p.descript ion, "> CONCAT(LEFT(p.description, ?),'...')) AS description, p.price, p.disco
unted_price, p.thumbnail
"> FROM product p INNER JOIN product_category pc ON p.product_id = pc.pro
duct_id
"> WHERE pc.category_id = ?
"> ORDER BY p.display DESC
"> LIMIT ?, ?";
-> SET @p1 = inShortProductDescriptionLength;
-> SET @p2 = inShortProductDescriptionLength;
-> SET @p3 = inCategoryId;
-> SET @p4 = inStartItem;
-> SET @p5 = inProductsPerPage;
-> EXECUTE statement USING @p1, @p2, @p3, @p4, @p5;
-> END$$
ERROR 1314 (0A000): PREPARE is not allowed in stored procedures文章源自很文博客https://www.hinwi.com/很文博客-https://www.hinwi.com/52257.html
上面有两个存储过程，一个不用预处理语句，一个用了预处理语句，文章源自很文博客https://www.hinwi.com/很文博客-https://www.hinwi.com/52257.html
之后，向作者发过邮件，没有答复，又给mysql官方发过邮件，同样没答复。现今只能求助诸位高人。文章源自很文博客https://www.hinwi.com/很文博客-https://www.hinwi.com/52257.html 文章源自很文博客https://www.hinwi.com/很文博客-https://www.hinwi.com/52257.html
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