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数据库里的Null字段是怎么让Go程序崩溃的
在 Go 语言与数据库交互的实战中,有一个让无数新手(甚至资深开发者)挠头的“坑”,那就是 NULL。 你是否遇到过这样的场景? 数据库崩溃:代码试图把数据库里的 NULL读入 Go 的 string变量,结果报错。 API 数据丑陋:为了解决报错使用了 sql.NullString,结果 ...
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