I can say "select convert('1234',, unsigned integer)", but I can't say "select convert('1234', bigint)". Why can't I cast a string to a bigint? All error messages says the same thing: "check the user's manual", and in user's manual didn't even talk about bigint. ...
你好!Comate在这里帮助你解决ValueError: could not convert string to float: '2023/8/12'这个错误。 1. 确认错误来源 这个错误表明你的代码中某处尝试将字符串'2023/8/12'转换为浮点数,但这是不合法的,因为该字符串是一个日期格式,而不是数字格式。你需要找到这段代码并进行修改。 2. 修改数据类型转换逻辑...