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15 lines
480 B
15 lines
480 B
class CreateExerciseBankRandomSettings < ActiveRecord::Migration[5.2]
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def change
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create_table :exercise_bank_random_settings do |t|
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t.integer :difficulty, comment: "难度"
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t.integer :sub_discipline_id, comment: "课程"
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t.integer :quanlity, comment: "题目数量"
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t.integer :item_type, index: true, comment: "题目类型"
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t.integer :exercise_bank_id, index: true, comment: "外键,关联exercise_bank"
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t.timestamps
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end
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end
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end
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