• MODULE ActiveRecord::Aggregations
• MODULE ActiveRecord::Associations
• MODULE ActiveRecord::AttributeAssignment
• MODULE ActiveRecord::AttributeMethods
• MODULE ActiveRecord::Attributes
• MODULE ActiveRecord::AutosaveAssociation
• MODULE ActiveRecord::Batches
• MODULE ActiveRecord::Calculations
• MODULE ActiveRecord::Callbacks
• MODULE ActiveRecord::Coders
• MODULE ActiveRecord::ConnectionAdapters
• MODULE ActiveRecord::ConnectionHandling
• MODULE ActiveRecord::Core
• MODULE ActiveRecord::CounterCache
• MODULE ActiveRecord::DelegatedType
• MODULE ActiveRecord::DynamicMatchers
• MODULE ActiveRecord::Encryption
• MODULE ActiveRecord::Enum
• MODULE ActiveRecord::Explain
• MODULE ActiveRecord::FinderMethods
• MODULE ActiveRecord::Generators
• MODULE ActiveRecord::Inheritance
• MODULE ActiveRecord::Integration
• MODULE ActiveRecord::Locking
• MODULE ActiveRecord::Marshalling
• MODULE ActiveRecord::MessagePack
• MODULE ActiveRecord::Middleware
• MODULE ActiveRecord::ModelSchema
• MODULE ActiveRecord::NestedAttributes
• MODULE ActiveRecord::NoTouching
• MODULE ActiveRecord::Normalization
• MODULE ActiveRecord::Persistence
• MODULE ActiveRecord::QueryLogs
• MODULE ActiveRecord::QueryMethods
• MODULE ActiveRecord::Querying
• MODULE ActiveRecord::ReadonlyAttributes
• MODULE ActiveRecord::Reflection
• MODULE ActiveRecord::Sanitization
• MODULE ActiveRecord::Scoping
• MODULE ActiveRecord::SecurePassword
• MODULE ActiveRecord::SecureToken
• MODULE ActiveRecord::Serialization
• MODULE ActiveRecord::SignedId
• MODULE ActiveRecord::SpawnMethods
• MODULE ActiveRecord::Store
• MODULE ActiveRecord::Suppressor
• MODULE ActiveRecord::Tasks
• MODULE ActiveRecord::Timestamp
• MODULE ActiveRecord::TokenFor
• MODULE ActiveRecord::Transactions
• MODULE ActiveRecord::Translation
• MODULE ActiveRecord::Type
• MODULE ActiveRecord::VERSION
• MODULE ActiveRecord::Validations
• CLASS ActiveRecord::ActiveRecordError
• CLASS ActiveRecord::AdapterError
• CLASS ActiveRecord::AdapterNotFound
• CLASS ActiveRecord::AdapterNotSpecified
• CLASS ActiveRecord::AdapterTimeout
• CLASS ActiveRecord::AssociationTypeMismatch
• CLASS ActiveRecord::AsynchronousQueryInsideTransactionError
• CLASS ActiveRecord::AttributeAssignmentError
• CLASS ActiveRecord::Base
• CLASS ActiveRecord::ConfigurationError
• CLASS ActiveRecord::ConnectionFailed
• CLASS ActiveRecord::ConnectionNotEstablished
• CLASS ActiveRecord::ConnectionTimeoutError
• CLASS ActiveRecord::DangerousAttributeError
• CLASS ActiveRecord::DatabaseAlreadyExists
• CLASS ActiveRecord::DatabaseConfigurations
• CLASS ActiveRecord::DatabaseConnectionError
• CLASS ActiveRecord::Deadlocked
• CLASS ActiveRecord::DestroyAssociationAsyncError
• CLASS ActiveRecord::DestroyAssociationAsyncJob
• CLASS ActiveRecord::EagerLoadPolymorphicError
• CLASS ActiveRecord::EnvironmentMismatchError
• CLASS ActiveRecord::ExclusiveConnectionTimeoutError
• CLASS ActiveRecord::Faker
• CLASS ActiveRecord::FixtureSet
• CLASS ActiveRecord::FutureResult
• CLASS ActiveRecord::ImmutableRelation
• CLASS ActiveRecord::InvalidForeignKey
• CLASS ActiveRecord::IrreversibleMigration
• CLASS ActiveRecord::IrreversibleOrderError
• CLASS ActiveRecord::LockWaitTimeout
• CLASS ActiveRecord::LogSubscriber
• CLASS ActiveRecord::Migration
• CLASS ActiveRecord::MigrationContext
• CLASS ActiveRecord::MismatchedForeignKey
• CLASS ActiveRecord::MultiparameterAssignmentErrors
• CLASS ActiveRecord::NoDatabaseError
• CLASS ActiveRecord::NotNullViolation
• CLASS ActiveRecord::PreparedStatementCacheExpired
• CLASS ActiveRecord::PreparedStatementInvalid
• CLASS ActiveRecord::Promise
• CLASS ActiveRecord::QueryAborted
• CLASS ActiveRecord::QueryCache
• CLASS ActiveRecord::QueryCanceled
• CLASS ActiveRecord::RangeError
• CLASS ActiveRecord::ReadOnlyError
• CLASS ActiveRecord::ReadOnlyRecord
• CLASS ActiveRecord::ReadonlyAttributeError
• CLASS ActiveRecord::RecordInvalid
• CLASS ActiveRecord::RecordNotDestroyed
• CLASS ActiveRecord::RecordNotFound
• CLASS ActiveRecord::RecordNotSaved
• CLASS ActiveRecord::RecordNotUnique
• CLASS ActiveRecord::Relation
• CLASS ActiveRecord::Result
• CLASS ActiveRecord::Rollback
• CLASS ActiveRecord::SQLWarning
• CLASS ActiveRecord::Schema
• CLASS ActiveRecord::SerializationFailure
• CLASS ActiveRecord::SerializationTypeMismatch
• CLASS ActiveRecord::SoleRecordExceeded
• CLASS ActiveRecord::StaleObjectError
• CLASS ActiveRecord::StatementCache
• CLASS ActiveRecord::StatementInvalid
• CLASS ActiveRecord::StatementTimeout
• CLASS ActiveRecord::StrictLoadingViolationError
• CLASS ActiveRecord::SubclassNotFound
• CLASS ActiveRecord::TableNotSpecified
• CLASS ActiveRecord::TransactionIsolationError
• CLASS ActiveRecord::TransactionRollbackError
• CLASS ActiveRecord::UnknownAttributeError
• CLASS ActiveRecord::UnknownAttributeReference
• CLASS ActiveRecord::UnknownPrimaryKey
• CLASS ActiveRecord::ValueTooLong
• CLASS ActiveRecord::WrappedDatabaseException

D

• db_warnings_action=,
• default_timezone=,
• disconnect_all!

E

• eager_load!

G

• gem_version,
• global_executor_concurrency=

L

• legacy_connection_handling=

M

• marshalling_format_version,
• marshalling_format_version=

S

• suppress_multiple_database_warning,
• suppress_multiple_database_warning=

U

• unknown

V

• version

• ActiveSupport::Deprecation::DeprecatedConstantAccessor

Constants

class Person
  include ActiveModel::AttributeAssignment
  include ActiveModel::Validations
end

person = Person.new
person.assign_attributes(name: 'Gorby')
# => ActiveModel::UnknownAttributeError: unknown attribute 'name' for Person.

Attributes

Class Public methods

# File rails/activerecord/lib/active_record.rb, line 211
def self.db_warnings_action=(action)
  @db_warnings_action =
    case action
    when :ignore
      nil
    when :log
      ->(warning) do
        warning_message = "[#{warning.class}] #{warning.message}"
        warning_message += " (#{warning.code})" if warning.code
        ActiveRecord::Base.logger.warn(warning_message)
      end
    when :raise
      ->(warning) { raise warning }
    when :report
      ->(warning) { Rails.error.report(warning, handled: true) }
    when Proc
      action
    else
      raise ArgumentError, "db_warnings_action must be one of :ignore, :log, :raise, :report, or a custom proc."
    end
end

# File rails/activerecord/lib/active_record.rb, line 196
def self.default_timezone=(default_timezone)
  unless %i(local utc).include?(default_timezone)
    raise ArgumentError, "default_timezone must be either :utc (default) or :local."
  end

  @default_timezone = default_timezone
end

# File rails/activerecord/lib/active_record.rb, line 476
def self.disconnect_all!
  ConnectionAdapters::PoolConfig.disconnect_all!
end

# File rails/activerecord/lib/active_record.rb, line 465
def self.eager_load!
  super
  ActiveRecord::Locking.eager_load!
  ActiveRecord::Scoping.eager_load!
  ActiveRecord::Associations.eager_load!
  ActiveRecord::AttributeMethods.eager_load!
  ActiveRecord::ConnectionAdapters.eager_load!
  ActiveRecord::Encryption.eager_load!
end

# File rails/activerecord/lib/active_record/gem_version.rb, line 5
def self.gem_version
  Gem::Version.new VERSION::STRING
end

# File rails/activerecord/lib/active_record.rb, line 278
def self.global_executor_concurrency=(global_executor_concurrency)
  if self.async_query_executor.nil? || self.async_query_executor == :multi_thread_pool
    raise ArgumentError, "`global_executor_concurrency` cannot be set when using the executor is nil or set to multi_thead_pool. For multiple thread pools, please set the concurrency in your database configuration."
  end

  @global_executor_concurrency = global_executor_concurrency
end

# File rails/activerecord/lib/active_record.rb, line 245
  def self.legacy_connection_handling=(_)
    raise ArgumentError, <<~MSG.squish
      The `legacy_connection_handling` setter was deprecated in 7.0 and removed in 7.1,
      but is still defined in your configuration. Please remove this call as it no longer
      has any effect."
    MSG
  end

# File rails/activerecord/lib/active_record.rb, line 457
def self.marshalling_format_version
  Marshalling.format_version
end

# File rails/activerecord/lib/active_record.rb, line 461
def self.marshalling_format_version=(value)
  Marshalling.format_version = value
end

# File rails/activerecord/lib/active_record.rb, line 395
  def self.suppress_multiple_database_warning
    ActiveRecord.deprecator.warn(<<-MSG.squish)
      config.active_record.suppress_multiple_database_warning is deprecated and will be removed in Rails 7.2.
      It no longer has any effect and should be removed from the configuration file.
    MSG
  end

# File rails/activerecord/lib/active_record.rb, line 402
  def self.suppress_multiple_database_warning=(value)
    ActiveRecord.deprecator.warn(<<-MSG.squish)
      config.active_record.suppress_multiple_database_warning= is deprecated and will be removed in Rails 7.2.
      It no longer has any effect and should be removed from the configuration file.
    MSG
  end

# File rails/activerecord/lib/active_record.rb, line 298
singleton_class.attr_accessor :verbose_query_logs

# File rails/activerecord/lib/active_record/version.rb, line 7
def self.version
  gem_version
end