增加在线测试迁移问卷

db/migrate/20151113025341_exercise.rb

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+class Exercise < ActiveRecord::Migration
+  def up
+    create_table :exercise do |t|
+      t.string :exercise_name
+      t.text :exercise_description
+      t.integer :course_id
+      t.integer :exercise_status
+      t.integer :user_id
+      t.datetime :start_at
+      t.datetime :end_at
+      t.timestamps
+    end
+  end
+
+  def down
+    drop_table :exercise
+  end
+end

db/migrate/20151113025459_exercise_question.rb

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+class ExerciseQuestion < ActiveRecord::Migration
+  def up
+    create_table :exercise_question do |t|
+      t.string :question_title
+      t.integer :question_type
+      t.integer :exercise_id
+      t.timestamps
+    end
+  end
+
+  def down
+    drop_table :exercise_question
+  end
+end

db/migrate/20151113025524_exercise_choices.rb

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+class ExerciseChoices < ActiveRecord::Migration
+  def up
+    create_table :exercise_choices do |t|
+      t.integer :exercise_question_id
+      t.text :choice_text
+      t.integer :choice_position
+      t.timestamps
+    end
+  end
+
+  def down
+    drop_table :exercise_choices
+  end
+end

db/migrate/20151113025549_exercise_standard_answer.rb

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+class ExerciseStandardAnswer < ActiveRecord::Migration
+  def up
+    create_table :exercise_standard_answer do |t|
+      t.integer :exercise_question_id
+      t.integer :exercise_choices_id
+      t.text :answer_text
+      t.timestamps
+    end
+  end
+
+  def down
+    drop_table :exercise_standard_answer
+  end
+end

db/migrate/20151113025721_exercise_answer.rb

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+class ExerciseAnswer < ActiveRecord::Migration
+  def up
+    create_table :exercise_answer do |t|
+      t.integer :user_id
+      t.integer :exercise_question_id
+      t.integer :exercise_choices_id
+      t.text :answer_text
+      t.timestamps
+    end
+  end
+
+  def down
+    drop_table :exercise_answer
+  end
+end

db/migrate/20151113025751_user_exercise.rb

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+class UserExercise < ActiveRecord::Migration
+  def up
+    create_table :user_exercise do |t|
+      t.integer :user_id
+      t.integer :exercise_id
+      t.integer :score
+      t.timestamps
+    end
+  end
+
+  def down
+    drop_table :user_exercise
+  end
+end