以下存储函数正在返回:'#1172 - 结果包含多行'
我究竟做错了什么?
它是一个存储函数,没有参数并且期望返回一个 int。
BEGIN
DECLARE l_user_id INT;
sloop:LOOP
SELECT `user_id` INTO `l_user_id` FROM `users` WHERE `area_id` = 1;
INSERT INTO `user_function_hours` SET `function_hour_id` = 1, `user_id` = l_user_id;
INSERT INTO `user_function_hours` SET `function_hour_id` = 2, `user_id` = l_user_id;
INSERT INTO `user_function_hours` SET `function_hour_id` = 3, `user_id` = l_user_id;
INSERT INTO `user_function_hours` SET `function_hour_id` = 4, `user_id` = l_user_id;
INSERT INTO `user_function_hours` SET `function_hour_id` = 5, `user_id` = l_user_id;
END LOOP sloop;
RETURN 1;
END