我新来铁路公司, 正在开发一个应用程序, 我的同学/同学可以评论议题/议题(与我们有关),
我为“投票”和“投票”创建了自己的模式。
现在,我在想,在数据库中,是否应该对两种投票模式都有一个单一的整数,可以增加,所以在我的控制器动作中,它应该是...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
我认为你选择的选择 取决于你申请的要求
虽然如此,但从您应用程序的描述来看, 我不认为高音和低音需要他们自己的模型。 我会在您的批注模型上为高音和低音创建属性, 并使用一个整数来代表选票计数 。
铁路有一个特点,称为反_cache,用于自动计算其创建/破坏时的相关模型数量。下面是:http://guides.rubyonrails.org/asssociation_Basics.html 第4.1.2.4节。它通过DB中的额外列完成。
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