You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 20170505035229_migrate_mailing_list_daily_updates_users_to_daily_summary.rb
    path of file: ./repos/discourse/db/migrate
    
    the code of the file until where you have to start completion: # frozen_stri
    
  def change
    change_column_default :user_options, :mailing_list_mode_frequency, 1

    execute <<~SQL
    UPDATE user_options
    SET digest_after_minutes = 1440, email_digests = 't', mailing_list_mode = 'f'
    WHERE mailing_list_mode_frequency = 0 AND mailing_list_mode
    SQL
  end