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Exception: ActiveRecord::PendingMigrationError

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, MigrationError, ActiveRecordError, StandardError
Instance Chain:
self, ::ActiveSupport::ActionableError, MigrationError, ActiveRecordError, StandardError
Inherits: ActiveRecord::MigrationError
Defined in: activerecord/lib/active_record/migration.rb

::ActiveSupport::ActionableError - Attributes & Methods

Class Method Summary

MigrationError - Inherited

.new

Instance Method Summary

Constructor Details

.new(message = nil, pending_migrations: nil) ⇒ PendingMigrationError

[ GitHub ] 

  


# File 'activerecord/lib/active_record/migration.rb', line 146



def initialize(message = nil, pending_migrations: nil)
  if pending_migrations.nil?
    connection = ActiveRecord::Tasks::DatabaseTasks.migration_connection
    pending_migrations = connection.migration_context.open.pending_migrations
  end

  super(message || detailed_migration_message(pending_migrations))
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: {}


  







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: {}


  







Instance Method Details



  

    #connection   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration.rb', line 170



def connection
  ActiveRecord::Tasks::DatabaseTasks.migration_connection
end


  








  

    #detailed_migration_message(pending_migrations)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration.rb', line 156



def detailed_migration_message(pending_migrations)
  message = "Migrations are pending. To resolve this issue, run:\n\n        bin/rails db:migrate"
  message += " RAILS_ENV=#{::Rails.env}" if defined?(Rails.env) && !Rails.env.local?
  message += "\n\n"

  message += "You have #{pending_migrations.size} pending #{pending_migrations.size > 1 ? 'migrations:' : 'migration:'}\n\n"

  pending_migrations.each do |pending_migration|
    message += "#{pending_migration.filename}\n"
  end

  message
end