当给定的数据库不存在时引发。
方法
包含的模块
类公共方法
db_error(db_name) 链接
来源: 显示 | 在 GitHub 上
# File activerecord/lib/active_record/errors.rb, line 340 def db_error(db_name) NoDatabaseError.new(<<~MSG) We could not find your database: #{db_name}. Available database configurations can be found in config/database.yml. To resolve this error: - Did you not create the database, or did you delete it? To create the database, run: bin/rails db:create - Has the database name changed? Verify that config/database.yml contains the correct database name. MSG end
new(message = nil, connection_pool: nil) 链接
来源: 显示 | 在 GitHub 上
# File activerecord/lib/active_record/errors.rb, line 335 def initialize(message = nil, connection_pool: nil) super(message || "Database not found", connection_pool: connection_pool) end