class MigrateDisciplinesDefault < ActiveRecord::Migration[5.2]
  def change
    change_column_default :disciplines, :subject, from: nil, to: 1
    change_column_default :disciplines, :shixun, from: nil, to: 1
    change_column_default :disciplines, :question, from: nil, to: 1

    change_column_default :sub_disciplines, :subject, from: nil, to: 1
    change_column_default :sub_disciplines, :shixun, from: nil, to: 1
    change_column_default :sub_disciplines, :question, from: nil, to: 1

    change_column_default :tag_disciplines, :subject, from: nil, to: 1
    change_column_default :tag_disciplines, :shixun, from: nil, to: 1
    change_column_default :tag_disciplines, :question, from: nil, to: 1
  end
end