The failure of a log operation does not cause the transaction to fail, and the log operation can succeed even if the transaction itself is aborted.
一个日志操作的失败不会导致整个事务的失败,并且即使在事务被中止的情况下日志操作仍旧可以成功。
That means each failure should teach you something. Don't just fail and get nothing out of it.
那意味着你应该从每一个失败中学得什么,而不仅仅是失败,却什么也没有得到。
If the row has changed, the UPDATE operation will fail and the application logic must handle the failure.
如果行发生了修改,UPDATE操作将失败,应用程序逻辑必须处理这一失败。
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