任何人都可以帮助我将此sql查询转换为ruby查询

Question

我是ruby的新手，我无法将给定的查询转换为ruby查询，任何人都可以帮助我

"SELECT * FROM domainurls WHERE domaindetail_id = ?",@domain.id ,"and count IN (SELECT Max( count ) FROM domainurls WHERE domaindetail_id =?",@domain.id")"

Answer 1

这是一种方法：

Domainurl.
  where(:domaindetail_id => @domain.id).
  where("count IN (SELECT MAX(count) FROM domainurls WHERE domaindetail_id = ? ", @domain.id)