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7 lines
239 B
7 lines
239 B
6 years ago
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class ExerciseBankShixunChallenge < ApplicationRecord
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belongs_to :challenge
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belongs_to :shixun
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belongs_to :exercise_question
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belongs_to :exercise_bank_question
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# has_many :exercise_shixun_answers, :dependent => :destroy
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end
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