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Exception: ActiveRecord::NoDatabaseError

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, StatementInvalid, AdapterError, ActiveRecordError, StandardError
Instance Chain:
self, ::ActiveSupport::ActionableError, StatementInvalid, AdapterError, ActiveRecordError, StandardError
Inherits: ActiveRecord::StatementInvalid
Defined in: activerecord/lib/active_record/errors.rb

Overview

Raised when a given database does not exist.

::ActiveSupport::ActionableError - Attributes & Methods

Class Method Summary

StatementInvalid - Inherited

.new

AdapterError - Inherited

.new

Instance Attribute Summary

StatementInvalid - Inherited

#binds, #sql

AdapterError - Inherited

#connection_pool

Instance Method Summary

StatementInvalid - Inherited

#set_query

Constructor Details

.new(message = nil, connection_pool: nil) ⇒ NoDatabaseError

[ GitHub ] 

  


# 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


  







Class Attribute Details



  

    ._actions   (rw)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/actionable_error.rb', line 17



class_attribute :_actions, default: {}


  








  

    ._actions?  ⇒ Boolean  (rw)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/actionable_error.rb', line 17



class_attribute :_actions, default: {}


  







Class Method Details



  

    .db_error(db_name)  
  

  [ GitHub ]


  

  


# 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


  







Instance Attribute Details



  

    #_actions   (rw)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/actionable_error.rb', line 17



class_attribute :_actions, default: {}


  








  

    #_actions?  ⇒ Boolean  (rw)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/actionable_error.rb', line 17



class_attribute :_actions, default: {}