目录mysql update的时候到底是锁行还是锁表？InnoDb 锁简单分类背景解决方案1.支付时异步入账，退款增加一个欠款垫资户1.加分布式锁2.新增垫资商户2.合并请求demo实现mysql update的时候到底是锁行还是锁表？
I\'m trying my hardest to wrap my head around JavaScript closures. I get that by returning an inner function, it will have access to any variable defined in its i开发者_开发技巧mmediate parent.
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