Article.where("published_at <= ?",Time.Now).includes(:comments)
但是如果我想只收到过去一个月发表的评论怎么办?
.includes操作符是否允许条件?
Article.includes(:comments).where("articles.published_at <= ? and comments.created_at >= ?",Time.Now,Time.Now - 1.month)
编辑:
Article.joins(:comments).where("articles.published_at <= ? and comments.created_at >= ?",Time.Now - 1.month)