當無法連線至資料庫,或是授權失敗時,會引發此錯誤。
方法
- H
- N
- U
class 公開方法
hostname_error(hostname) 連結
來源: 顯示 | 在 GitHub 上
# File activerecord/lib/active_record/errors.rb, line 108 def hostname_error(hostname) DatabaseConnectionError.new(<<~MSG) There is an issue connecting with your hostname: #{hostname}.\n Please check your database configuration and ensure there is a valid connection to your database. MSG end
new(message = nil) 連結
來源: 顯示 | 在 GitHub 上
# File activerecord/lib/active_record/errors.rb, line 103 def initialize(message = nil) super(message || "Database connection error") end
username_error(username) 連結
來源: 顯示 | 在 GitHub 上
# File activerecord/lib/active_record/errors.rb, line 115 def username_error(username) DatabaseConnectionError.new(<<~MSG) There is an issue connecting to your database with your username/password, username: #{username}.\n Please check your database configuration to ensure the username/password are valid. MSG end