Displaying 1 result from an estimated 1 matches for "student_semester_records".
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student_semester_record
2006 Apr 20
3
has_many :through with has_many/has_many join models
It seems that using a join model that joins with two has_many''s will
fail to generate proper SQL
class StudentSemesterRecord < ActiveRecord::Base
belongs_to :semester
has_many :discipline_records, :through => :semester
end
class Semester < ActiveRecord::Base
has_many :student_semester_records
has_many :discipline_records
end
class DisciplineRecord < ActiveRecord::Base
belongs_to :semester
end
student_semester_record.discipline_records yields this SQL:
SELECT discipline_records.* FROM discipline_records INNER JOIN semesters
ON discipline_records.semester_id = semesters.id WHERE...