Exception: ActiveRecord::NoDatabaseError

Inherits:
StatementInvalid show all
Includes:
ActiveSupport::ActionableError
Defined in:
activerecord/lib/active_record/errors.rb

Overview

Raised when a given database does not exist.

Instance Attribute Summary

Attributes inherited from StatementInvalid

#binds, #sql

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ActiveSupport::ActionableError

actions, dispatch

Methods included from ActiveSupport::Concern

#append_features, #class_methods, extended, #included, #prepend_features, #prepended

Methods inherited from StatementInvalid

#set_query

Constructor Details

#initialize(message = nil) ⇒ NoDatabaseError

Returns a new instance of NoDatabaseError.



291
292
293
 
# File 'activerecord/lib/active_record/errors.rb', line 291

def initialize(message = nil)
  super(message || "Database not found")
end

Class Method Details

.db_error(db_name) ⇒ Object 



296
297
298
299
300
301
302
303
304
305
306
307
 
# File 'activerecord/lib/active_record/errors.rb', line 296

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 file.

    To resolve this error:

    - Did you create the database for this app, or delete it? You may need to create your database.
    - Has the database name changed? Check your database.yml config has the correct database name.

    To create your database, run:\n\n        bin/rails db:create
  MSG
end