我们在数据库操作的时候,比如 dao 层中当遇到一个 sql.ErrNoRows 的时候,是否应该 Wrap 这个 error,抛给上层。为什么,应该怎么做请写出代码?
我的答案:要往上抛,因为dao 自己处理不了就应该往上抛。可以调用errors.Wrap或者errors.New 方法往上抛,上层可以获得错误类型、错误根因、错误trace
go work
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