问使用太阳黑子向下搜索模型层次结构

EN

class Person < ActiveRecord::Base
  has_many :educations
end

class Education < ActiveRecord::Base
  belongs_to :school
  belongs_to :degree
  belongs_to :major
end

class School < ActiveRecord::Base
  has_many :educations
  # has a :name
end

@search = Person.search do
  keywords params[:query]
end

@people = @search.results

searchable do
  text :school_names do
    educations.map { |e| e.school.name }
  end
end