• 欢迎访问搞代码网站,推荐使用最新版火狐浏览器和Chrome浏览器访问本网站!
  • 如果您觉得本站非常有看点,那么赶紧使用Ctrl+D 收藏搞代码吧

mysql 存储过程的问题_MySQL

mysql 搞代码 4年前 (2022-01-09) 25次浏览 已收录 0个评论

gaodaima.com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。

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, I

本文来源gaodai.ma#com搞#代!码(网

N 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

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,
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。gaodaima.com


搞代码网(gaodaima.com)提供的所有资源部分来自互联网,如果有侵犯您的版权或其他权益,请说明详细缘由并提供版权或权益证明然后发送到邮箱[email protected],我们会在看到邮件的第一时间内为您处理,或直接联系QQ:872152909。本网站采用BY-NC-SA协议进行授权
转载请注明原文链接:mysql 存储过程的问题_MySQL
喜欢 (0)
[搞代码]
分享 (0)
发表我的评论
取消评论

表情 贴图 加粗 删除线 居中 斜体 签到

Hi,您需要填写昵称和邮箱!

  • 昵称 (必填)
  • 邮箱 (必填)
  • 网址