我不确定我的代码有什么问题.
delimiter $$
CREATE TRIGGER updateRestaurantAtributes
AFTER UPDATE ON fields_data
FOR EACH ROW BEGIN
IF (NEW.fieldid = 1) THEN
UPDATE restaurants
SET address1 = NEW.data_txt
Where rid = NEW.itemid;
ELSE IF (NEW.fieldid = 2) THEN
UPDATE restaurants
SET address2 = NEW.data_txt
Where rid = NEW.itemid;
END IF;
END$$
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以上版本无效.它说"END"(最后一行)附近的语法错误.但是当我使用它时,它会起作用
delimiter $$
CREATE TRIGGER updateRestaurantAtributes
AFTER UPDATE ON fields_data
FOR EACH ROW BEGIN
IF (NEW.fieldid = 1) THEN
UPDATE restaurants
SET address1 = NEW.data_txt
Where rid = NEW.itemid;
END IF;
IF …Run Code Online (Sandbox Code Playgroud) 有没有办法向用户显示网站页面开始加载.我的主页有点慢,当页面加载时,用户只能看到一个空白屏幕.并给人一种页面无效的印象.有一个简单的解决方案吗?