Ruby on rails Doorkeeper gem中以前的\u refresh\u token列是如何工作的？_Ruby On Rails_Doorkeeper

Ruby on rails Doorkeeper gem中以前的\u refresh\u token列是如何工作的？

ruby-on-rails

Ruby on rails Doorkeeper gem中以前的\u refresh\u token列是如何工作的？,ruby-on-rails,doorkeeper,Ruby On Rails,Doorkeeper,有人能给我解释一下这部分在实践中是如何工作的吗如果存在上一个\u refresh\u token列，则在使用相关访问令牌后，刷新令牌将被撤销。因为启用该功能后，我们注意到刷新令牌从未被撤销 # If there is a previous_refresh_token column, # refresh tokens will be revoked after a related access token is used. # If there is no previous_refre

有人能给我解释一下这部分在实践中是如何工作的吗<代码>如果存在上一个\u refresh\u token列，则在使用相关访问令牌后，刷新令牌将被撤销。因为启用该功能后，我们注意到刷新令牌从未被撤销

  # If there is a previous_refresh_token column,
  # refresh tokens will be revoked after a related access token is used.
  # If there is no previous_refresh_token column,
  # previous tokens are revoked as soon as a new access token is created.
  # Comment out this line if you'd rather have refresh tokens
  # instantly revoked.
  t.string   :previous_refresh_token, null: false, default: ""