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mysql 刷脏页未提交的数据能写入磁盘吗？

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mysql 刷脏页未提交的数据能写入磁盘吗？

mysql 刷脏页的时候，如果有未提交的数据，这时候这个数据能写入磁盘吗？


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题主是指，一个表单页提交一次后，再次刷新后又被提交了一次吗？

如果是这样，你可以设置一个 token ，相同的token 不能使用两次

或者关键字段设置成唯一性，则数据库会报错（此方法并不推荐）


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