Ruby on Rails Wednesday, June 30, 2010

Jesse Crockett wrote:
> Award.all(:joins => "INNER JOIN overall_rankings ON
> (overall_rankings.poem_id = awards.poem_id)") gets the wrong
> award.overall_ranking on heroku postgres
>
> Poem
> has_many :awards
> has_one :overall_ranking
>
> Award
> belongs_to :poem
> has_one :overall_ranking, :foreign_key => :poem_id
>
> OverallRanking
> belongs_to :poem

# Solution

Award
has_one :overall_ranking, :foreign_key => :poem_id, :primary_key =>
:poem_id

Award.all(:include => :overall_ranking)
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