您好,我正在尝试使用此 sp 插入语句插入:
call insertuser (1, '077788899965', 'Digest 1.0', ':=', 'asjdfhiuoadshgiadufg');
SP 代码:
DELIMITER$$
CREATE PROCEDURE insertuser (IN IdParam INT, IN UserNameParam varchar(64), IN AttributeParam varchar(64), IN OpParam char(2), IN ValueParam varchar(253))
BEGIN
// Delete user if they already exist
DELETE FROM radcheck
WHERE username = UserNameParam;
// Insert
INSERT INTO radcheck (id, username, atrribute, op, value)
SELECT (IdParam, UserNameParam, AttributeParam, OpParam, ValueParam);
END$$
但是我得到的错误是:
ERROR 1241 (21000): Operand should contain 1 column(s)
知道如何解决这个问题吗?
最佳答案
DELIMITER $$
CREATE PROCEDURE insertuser (IN IdParam INT, IN UserNameParam varchar(64),
IN AttributeParam varchar(64), IN OpParam char(2),
IN ValueParam varchar(253))
BEGIN
DELETE FROM radcheck
WHERE username = UserNameParam;
INSERT INTO radcheck (id, username, atrribute, op, `value`)
SELECT IdParam, UserNameParam, AttributeParam, OpParam, ValueParam;
END
$$
有两个问题:
DELIMITER
后缺少空格//
在 MySQL 中不是注释开头。使用/* */
如果您使用像 MySQL Workbench 这样的 SQL IDE,这样的错误将被突出显示并且更容易修复。
关于MySQL SP : ERROR 1241 (21000),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22480639/