Exception: ActiveRecord::NoDatabaseError

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

Overview

Raised when a given database does not exist.

Instance Attribute Summary

Attributes inherited from StatementInvalid

#binds, #sql

Attributes inherited from AdapterError

#connection_pool

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from StatementInvalid

#set_query

Constructor Details

#initialize(message = nil, connection_pool: nil) ⇒ NoDatabaseError

Returns a new instance of NoDatabaseError.



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# File '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 Method Details

.db_error(db_name) ⇒ Object 



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# File '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