现在对于结构体零值不更新的问题，官方好像给的说法只能用map，但是个人觉得map代码的可读性没有用结构体看起来工整，还需要自己定义对应的字段名字符串，这个有比较合适的解决方案吗。
个人觉得这里不应该通过零值去判断是否，考不考虑引入指针，通过指针是否为nil判断是否修改。
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Comment From: a631807682
duplicated of https://github.com/go-gorm/gorm/issues/4297