向建军送外卖时为了避让两个逆行的行人撞上了护栏，跌倒在马路上，医生要求住院手术但他因为没有钱拒绝了。事情发生在11月12日，向建军在当天晚上距离最后一单目的地不到2公里时发生了事故，当时已经是23：30了，向建
Is there a compact way with ActiveRecord to query for what id it\'s going to use next if an object was going to be p开发者_如何学Pythonersisted to the database? In SQL, a query like this would look so
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