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Ruby on Rails—テーブルカラムにコメントを追加するマイグレーション

Last updated at Posted at 2018-08-01

マイグレーションファイルの例

  class AddUsersComments < ActiveRecord::Migration[5.1]
  def up
    change_column :users, :first_name, :string, comment: "This is first name of user"
  end

  def down
    change_column :users, :first_name, :string, comment: nil
  end
end

環境

  • activerecord (5.1.6)
  • Rails 5.1.6

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