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Ruby on rails 向联接添加附加条件_Ruby On Rails_Activerecord - Fatal编程技术网
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Ruby on rails 向联接添加附加条件

ruby-on-rails activerecord

Ruby on rails 向联接添加附加条件,ruby-on-rails,activerecord,Ruby On Rails,Activerecord,我可以在Rails 4中使用类似的东西轻松地连接多个列条件 results = Company.joins("LEFT JOIN subscriptions s ON s.company_id = companies.id AND s.end_date is null") 有没有其他方法可以在不指定完整join语句的情况下实现这一点

我可以在Rails 4中使用类似的东西轻松地连接多个列条件

results = Company.joins("LEFT JOIN subscriptions s ON s.company_id = companies.id AND s.end_date is null")
有没有其他方法可以在不指定完整join语句的情况下实现这一点