The final outcome of the rule depends on the condition evaluation.
规则的最终结果取决于条件的评估。
The result is a race condition: it's a race between the two threads, and the outcome will be different based on who runs first.
它的结果是个竞争条件:这是两个线程之间的竞争,结果也会因谁先运行而不同。
Ironically, in many cases the program may not care to even check the outcome of the SELECT INTO and the condition handler's work was in vain.
具有讽刺意味的是,在许多情况下,程序甚至可能不在乎检查SELECT INTO的结果是什么,因此,条件处理程序的工作是徒劳的。
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