Question

我正在尝试创建一个Matches表。这个匹配表将从Teams表中获取它的信息。我无法让协会工作。

class Match < ActiveRecord::Base  
#    
end

class Team < ActiveRecord::Base 

 belongs_to :matches, :class_name => "Match", :foreign_key => "hometeam_id"    
 belongs_to :matches, :class_name => "Match", :foreign_key => "awayteam_id"   

end

我的匹配表

# id
# hometeam_id
# awayteam_id
# …

我的团队表

# id
# name
# …

我希望能够执行以下操作

game = Match.find(:first)
# <Match id: 1, hometeam_id: 64810937, awayteam_id: 78380562,
game.hometeam 
# returns "Toronto"

我不太确定我的belongs_to是否是正确的方法。我觉得我在重复自己，他们可能是一个更好的方法。想法？

更新已解决

class Match < ActiveRecord::Base

belongs_to :hometeam, :class_name => "Team"
belongs_to :awayteam, :class_name => "Team"

end


class Team < ActiveRecord::Base

  has_many :homegames, :class_name => "Match", :foreign_key => "hometeam_id"
  has_many :awaygames, :class_name => "Match", :foreign_key => "awayteam_id"

end

将此问题留给遇到类似问题的其他人。

Answer 1

试试这个：

class Team < ActiveRecord::Base 

 belongs_to :hometeam, :class_name => "Match", :foreign_key => "hometeam_id"    
 belongs_to :awayteam, :class_name => "Match", :foreign_key => "awayteam_id"   

end

Belongs_to列ID太多

1 个答案: