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一个InnoDB 加锁的案例

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Release: 2016-06-07 17:22:29
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最近一直在优化各个产品的SQL语句,同时还帮一个同事解决deadlock问题,收获就是对InnoDB加锁的理解更加深入了。先来看看今天的这

最近一直在优化各个产品的SQL语句,同时还帮一个同事解决deadlock问题,收获就是对InnoDB加锁的理解更加深入了。先来看看今天的这个案例:

测试环境就是如上,开始下面的测试:

 

从上面可以看出InnoDB仿佛是将[2, 无穷大)这个区间给锁了,那么原因是什么呢? 你可以先思考下

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