☰
rails 8.1.2 documentation
search
Class and Module Index
AbstractController
ActionNotFound
Base
Caching
ClassMethods
ConfigMethods
Fragments
ClassMethods
Callbacks
ClassMethods
Collector
DoubleRenderError
Helpers
ClassMethods
Railties
RoutesHelpers
Rendering
Translation
UrlFor
ClassMethods
ActionCable
Channel
Base
Broadcasting
ClassMethods
Callbacks
ClassMethods
ChannelStub
ConnectionStub
Naming
ClassMethods
NonInferrableChannelError
PeriodicTimers
ClassMethods
Streams
TestCase
Behavior
ClassMethods
Connection
Assertions
Authorization
UnauthorizedError
Base
Callbacks
ClassMethods
Identification
ClassMethods
InternalChannel
NonInferrableConnectionError
StreamEventLoop
TaggedLoggerProxy
TestCase
Behavior
ClassMethods
TestConnection
TestCookieJar
TestRequest
Helpers
ActionCableHelper
RemoteConnections
RemoteConnection
InvalidIdentifiersError
Server
Base
Broadcasting
Broadcaster
Configuration
Worker
ActiveRecordConnectionManagement
SubscriptionAdapter
Async
AsyncSubscriberMap
Base
PostgreSQL
Listener
Redis
Listener
SubscribedClient
SubscriberMap
Test
TestCase
TestHelper
VERSION
ActionController
API
AllowBrowser
ClassMethods
ApiRendering
Base
Caching
ConditionalGet
ClassMethods
ContentSecurityPolicy
ClassMethods
Cookies
DataStreaming
DefaultHeaders
ClassMethods
EtagWithFlash
EtagWithTemplateDigest
ExpectedParameterMissing
Flash
ClassMethods
FormBuilder
ClassMethods
Head
Helpers
ClassMethods
HttpAuthentication
Basic
ControllerMethods
ClassMethods
Digest
ControllerMethods
Token
ControllerMethods
ImplicitRender
Instrumentation
ClassMethods
InvalidParameterKey
Live
ClassMethods
ClientDisconnected
SSE
LiveTestResponse
Logging
ClassMethods
Metal
MimeResponds
Collector
MissingRenderer
ParameterEncoding
ClassMethods
ParameterMissing
Parameters
ParamsWrapper
Options
ClassMethods
PermissionsPolicy
ClassMethods
Railties
Helpers
RateLimiting
ClassMethods
Redirecting
OpenRedirectError
PathRelativeRedirectError
UnsafeRedirectError
Renderer
Renderers
All
ClassMethods
Rendering
ClassMethods
RequestForgeryProtection
ClassMethods
CookieStore
ProtectionMethods
Exception
NullSession
NullCookieJar
NullSessionHash
ResetSession
SessionStore
Rescue
ClassMethods
RespondToMismatchError
Streaming
StrongParameters
TestCase
Behavior
ClassMethods
Testing
TooManyRequests
UnfilteredParameters
UnpermittedParameters
UrlFor
ActionDispatch
Http
MissingController
Session
ActionMailbox
Base
BaseController
Callbacks
Engine
Generators
InstallGenerator
InboundEmail
Incineratable
Incineration
MessageId
Routable
IncinerationJob
Ingresses
Mailgun
InboundEmailsController
Authenticator
Mandrill
InboundEmailsController
Authenticator
Postmark
InboundEmailsController
Relay
InboundEmailsController
Sendgrid
InboundEmailsController
Relayer
Result
Router
Route
RoutingError
Routing
RoutingJob
TestCase
TestHelper
VERSION
ActionMailer
Base
LateAttachmentsProxy
Callbacks
ClassMethods
Collector
DeliveryMethods
ClassMethods
FormBuilder
ClassMethods
InlinePreviewInterceptor
MailHelper
MessageDelivery
NonInferrableMailerError
Parameterized
ClassMethods
Preview
Previews
ClassMethods
QueuedDelivery
Rescuable
TestCase
Behavior
ClassMethods
ClearTestDeliveries
TestHelper
VERSION
ActionPack
VERSION
ActionText
Attachable
Attachables
MissingAttachable
RemoteImage
Attachment
AttachmentGallery
Attachments
Caching
Minification
TrixConversion
Attribute
Content
ContentHelper
EncryptedRichText
Encryption
Engine
FixtureSet
Fragment
Generators
InstallGenerator
HtmlConversion
PlainTextConversion
RichText
Serialization
SystemTestHelper
TagHelper
TrixAttachment
VERSION
ActionView
AbstractRenderer
RenderedCollection
EmptyCollection
Base
CacheExpiry
Context
Digestor
Injected
Missing
Node
NullLogger
Partial
FileSystemResolver
FixtureResolver
Helpers
ActiveModelHelper
ActiveModelInstanceTag
AssetTagHelper
AssetUrlHelper
AtomFeedHelper
CacheHelper
UncacheableFragmentError
CaptureHelper
ContentExfiltrationPreventionHelper
CspHelper
CsrfHelper
DateHelper
DebugHelper
FormBuilder
FormHelper
FormOptionsHelper
FormTagHelper
JavaScriptHelper
NumberHelper
InvalidNumberError
OutputSafetyHelper
RenderingHelper
SanitizeHelper
TagHelper
Tags
ActionText
TextHelper
TranslationHelper
UrlHelper
ClassMethods
Layouts
ClassMethods
LookupContext
DetailsCache
ViewPaths
NullResolver
PartialIteration
PartialRenderer
RecordIdentifier
RenderParser
Default
Renderer
Rendering
ClassMethods
Resolver
RoutingUrlFor
Template
Handlers
Builder
ERB
Html
Raw
Sources
File
TemplateDetails
Requested
TemplatePath
TestCase
Behavior
ClassMethods
Locals
RenderedViewsCollection
TestController
UnboundTemplate
VERSION
ViewPaths
ClassMethods
ActiveJob
Arguments
Base
Callbacks
ClassMethods
Continuable
Continuation
CheckpointError
Error
Interrupt
InvalidStepError
ResumeLimitError
Step
TestHelper
UnadvanceableCursorError
Core
ClassMethods
DeserializationError
EnqueueAfterTransactionCommit
ActiveJobMethods
EnqueueError
Enqueuing
ClassMethods
Exceptions
ClassMethods
Execution
ClassMethods
Logging
QueueAdapter
ClassMethods
QueueAdapters
AbstractAdapter
AsyncAdapter
BackburnerAdapter
DelayedJobAdapter
InlineAdapter
QueueClassicAdapter
ResqueAdapter
SidekiqAdapter
SneakersAdapter
TestAdapter
QueueName
ClassMethods
QueuePriority
ClassMethods
SerializationError
Serializers
ActionControllerParametersSerializer
ObjectSerializer
RangeSerializer
TestCase
TestHelper
TestQueueAdapter
ClassMethods
UnknownJobClassError
VERSION
ActiveModel
API
AttributeAssignment
AttributeMethods
ClassMethods
Attributes
ClassMethods
Normalization
ClassMethods
Callbacks
Conversion
Dirty
EachValidator
Error
Errors
ForbiddenAttributesError
Lint
Tests
MissingAttributeError
Model
Name
Naming
NestedError
RangeError
SecurePassword
ClassMethods
InstanceMethodsOnActivation
Serialization
Serializers
JSON
StrictValidationFailed
Translation
Type
BigInteger
Binary
Boolean
Date
DateTime
Decimal
Float
Helpers
ImmutableString
Integer
SerializeCastValue
ClassMethods
DefaultImplementation
String
Time
Value
UnknownAttributeError
VERSION
ValidationError
Validations
Callbacks
ClassMethods
ClassMethods
HelperMethods
Validator
ActiveRecord
ActiveRecordError
AdapterError
AdapterNotFound
AdapterNotSpecified
AdapterTimeout
Aggregations
ClassMethods
Assertions
QueryAssertions
AssociationTypeMismatch
Associations
ClassMethods
CollectionProxy
NestedError
AsynchronousQueryInsideTransactionError
AttributeAssignment
AttributeAssignmentError
AttributeMethods
BeforeTypeCast
ClassMethods
Dirty
PrimaryKey
ClassMethods
Query
Read
Serialization
ClassMethods
ColumnNotSerializableError
TimeZoneConversion
Write
Attributes
ClassMethods
AutosaveAssociation
Base
Batches
BatchEnumerator
Calculations
Callbacks
ClassMethods
CheckViolation
Coders
YAMLColumn
SafeCoder
ConfigurationError
ConnectionAdapters
AbstractAdapter
Version
AbstractMysqlAdapter
BoundSchemaReflection
FakePool
ColumnMethods
ConnectionHandler
ConnectionPool
Queue
Reaper
DatabaseLimits
DatabaseStatements
Deduplicable
ClassMethods
MySQL
ColumnMethods
DatabaseStatements
Table
TableDefinition
Mysql2
DatabaseStatements
Mysql2Adapter
NullPool
NullConfig
PostgreSQL
AlterTable
ColumnMethods
DatabaseStatements
OID
Bit
Data
Quoting
IntegerOutOf64BitRange
SchemaStatements
Table
TableDefinition
PostgreSQLAdapter
QueryCache
Quoting
RealTransaction
RestartParentTransaction
SQLite3Adapter
SavepointTransaction
Savepoints
SchemaCache
SchemaReflection
SchemaStatements
Table
TableDefinition
TransactionInstrumenter
InstrumentationAlreadyStartedError
InstrumentationNotStartedError
TransactionState
Trilogy
DatabaseStatements
TrilogyAdapter
ConnectionFailed
ConnectionHandling
ConnectionNotDefined
ConnectionNotEstablished
ConnectionTimeoutError
Core
ClassMethods
InspectionMask
CounterCache
ClassMethods
DangerousAttributeError
DatabaseAlreadyExists
DatabaseConfigurations
HashConfig
InvalidConfigurationError
UrlConfig
DatabaseConnectionError
DatabaseVersionError
Deadlocked
DelegatedType
DeprecatedAssociationError
DestroyAssociationAsyncError
DestroyAssociationAsyncJob
DynamicMatchers
FindBy
FindByBang
Method
EagerLoadPolymorphicError
Encryption
AutoFilteredParameters
Cipher
Aes256Gcm
Config
Configurable
Context
Contexts
DerivedSecretKeyProvider
DeterministicKeyProvider
EncryptableRecord
EncryptedAttributeType
EncryptedFixtures
EncryptingOnlyEncryptor
Encryptor
EnvelopeEncryptionKeyProvider
Errors
Base
Configuration
Decryption
Encoding
EncryptedContentIntegrity
Encryption
ForbiddenClass
ExtendedDeterministicQueries
AdditionalValue
CoreQueries
ExtendedEncryptableType
RelationQueries
ExtendedDeterministicUniquenessValidator
EncryptedUniquenessValidator
Key
KeyGenerator
KeyProvider
Message
MessagePackMessageSerializer
MessageSerializer
NullEncryptor
Properties
ReadOnlyNullEncryptor
Scheme
Enum
EnvironmentMismatchError
ExclusionViolation
ExclusiveConnectionTimeoutError
Explain
ExplainRegistry
Subscriber
Faker
FinderMethods
FixtureSet
FutureResult
Complete
EventBuffer
Generators
Migration
ClassMethods
Inheritance
ClassMethods
Integration
ClassMethods
InvalidForeignKey
IrreversibleMigration
IrreversibleOrderError
LockWaitTimeout
Locking
Optimistic
ClassMethods
Pessimistic
Marshalling
Methods
MessagePack
Decoder
Encoder
Extensions
Middleware
DatabaseSelector
ShardSelector
Migration
CheckPending
CommandRecorder
Compatibility
MigrationContext
MismatchedForeignKey
MissingRequiredOrderError
ModelSchema
ClassMethods
MultiparameterAssignmentErrors
NestedAttributes
ClassMethods
TooManyRecords
NoDatabaseError
NoTouching
ClassMethods
NotNullViolation
Persistence
ClassMethods
PreparedStatementCacheExpired
PreparedStatementInvalid
Promise
QueryAborted
QueryCache
ClassMethods
QueryCanceled
QueryLogs
QueryMethods
WhereChain
Querying
RangeError
ReadOnlyError
ReadOnlyRecord
ReadonlyAttributeError
ReadonlyAttributes
ClassMethods
RecordInvalid
RecordNotDestroyed
RecordNotFound
RecordNotSaved
RecordNotUnique
Reflection
ClassMethods
MacroReflection
Relation
Result
IndexedRow
Rollback
RuntimeRegistry
Stats
SQLWarning
Sanitization
ClassMethods
Schema
Definition
ClassMethods
Scoping
Default
ClassMethods
Named
ClassMethods
SecurePassword
ClassMethods
SecureToken
ClassMethods
MinimumLengthError
Serialization
SerializationFailure
SerializationTypeMismatch
SignedId
ClassMethods
DeprecateSignedIdVerifierSecret
SoleRecordExceeded
SpawnMethods
StaleObjectError
StatementCache
PartialQueryCollector
StatementInvalid
StatementTimeout
Store
ClassMethods
StrictLoadingViolationError
SubclassNotFound
Suppressor
ClassMethods
TableNotSpecified
Tasks
DatabaseTasks
TestFixtures
ClassMethods
Timestamp
TokenFor
ClassMethods
RelationMethods
Transaction
TransactionIsolationError
TransactionRollbackError
Transactions
ClassMethods
Translation
Type
BigInteger
Binary
Boolean
Date
DateTime
Decimal
Float
ImmutableString
Integer
Internal
Timezone
Json
String
Time
Value
UnknownAttributeError
UnknownAttributeReference
UnknownPrimaryKey
UnmodifiableRelation
VERSION
Validations
ClassMethods
ValueTooLong
WrappedDatabaseException
ActiveStorage
AnalyzeJob
Analyzer
AudioAnalyzer
ImageAnalyzer
ImageMagick
Vips
VideoAnalyzer
Attached
Many
Model
One
Attachment
BaseController
BaseJob
Blob
Analyzable
Identifiable
Representable
Blobs
ProxyController
RedirectController
DirectUploadsController
DisableSession
DiskController
Error
FileNotFoundError
Filename
FixtureSet
IntegrityError
InvariableError
MirrorJob
Preview
UnprocessedError
PreviewError
PreviewImageJob
Previewer
MuPDFPreviewer
PopplerPDFPreviewer
VideoPreviewer
PurgeJob
Reflection
ActiveRecordExtensions
ClassMethods
Representations
ProxyController
RedirectController
Service
DiskService
GCSService
MetadataServerError
MetadataServerNotFoundError
MirrorService
S3Service
SetCurrent
Streaming
TransformJob
Transformers
ImageMagick
ImageProcessingTransformer
UnsupportedImageProcessingArgument
UnsupportedImageProcessingMethod
Transformer
Vips
UnpreviewableError
UnrepresentableError
VERSION
Variant
VariantRecord
VariantWithRecord
Variation
ActiveSupport
ActionableError
ClassMethods
NonActionable
ArrayInquirer
Autoload
BacktraceCleaner
Benchmarkable
BroadcastLogger
Cache
Coder
LazyEntry
StringDeserializer
FileStore
MemCacheStore
MemoryStore
NullStore
RedisCacheStore
SerializerWithFallback
Marshal70WithFallback
Marshal71WithFallback
MessagePackWithFallback
PassthroughWithFallback
Store
Strategy
LocalCache
LocalStore
WriteOptions
CachingKeyGenerator
Callbacks
CallTemplate
ClassMethods
Conditionals
Filters
CodeGenerator
MethodSet
CompareWithRange
Concern
Concurrency
ShareLock
Configurable
ClassMethods
Configuration
ConfigurationFile
FormatError
ContinuousIntegration
CoreExt
ERBUtil
ERBUtilPrivate
CurrentAttributes
DelegationError
Dependencies
Interlock
RequireDependency
Deprecation
Behavior
DeprecatedConstantAccessor
DeprecatedConstantProxy
DeprecatedInstanceVariableProxy
DeprecatedObjectProxy
Deprecators
Disallowed
MethodWrapper
Reporting
DeprecationException
DescendantsTracker
Duration
ISO8601Parser
ParsingError
Editor
EncryptedConfiguration
InvalidContentError
InvalidKeyError
EncryptedFile
InvalidKeyLengthError
MissingContentError
MissingKeyError
EnumerableCoreExt
Constants
ErrorReporter
TestHelper
ErrorSubscriber
EventReporter
EventedFileUpdateChecker
ExecutionContext
Record
ExecutionWrapper
Executor
FileUpdateChecker
ForkTracker
CoreExt
Gzip
Stream
HashWithIndifferentAccess
HashWithIndifferentAccess
Inflector
Inflections
InheritableOptions
KeyGenerator
LazyLoadHooks
LogSubscriber
TestHelper
MockLogger
Logger
SimpleFormatter
LoggerSilence
MessageEncryptor
InvalidMessage
MessageEncryptors
MessagePack
CacheSerializer
UnserializableObjectError
MessageVerifier
InvalidSignature
MessageVerifiers
Messages
SerializerWithFallback
AllowMarshal
JsonWithFallback
JsonWithFallbackAllowMarshal
MarshalWithFallback
MessagePackWithFallback
MessagePackWithFallbackAllowMarshal
Multibyte
Chars
Unicode
Notifications
Event
Fanout
Handle
Subscribers
EventObject
Matcher
AllMessages
InstrumentationSubscriberError
Instrumenter
NumberHelper
NumericWithFormat
OrderedOptions
ParameterFilter
RangeWithFormat
Reloader
Rescuable
ClassMethods
SafeBuffer
SafeConcatError
SecureCompareRotator
SecurityUtils
StringInquirer
StructuredEventSubscriber
Subscriber
TaggedLogging
TestCase
Testing
Assertions
ConstantLookup
ConstantStubbing
Declarative
Deprecation
ErrorReporterAssertions
ErrorCollector
Report
EventReporterAssertions
FileFixtures
Isolation
Forking
Subprocess
NotificationAssertions
Parallelization
Server
Worker
SetupAndTeardown
ClassMethods
TimeHelpers
TimeWithZone
TimeZone
VERSION
XMLConverter
DisallowedType
XmlMini
XmlMini_LibXMLSAX
HashBuilder
XmlMini_NokogiriSAX
HashBuilder
AddServiceNameToActiveStorageBlobs
Announcement
Version
Arel
Array
BigDecimal
Class
CodeBlockConverter
Comment
CommentVisitor
CreateActionMailboxTables
CreateActionTextTables
CreateActiveStorageTables
CreateActiveStorageVariantRecords
Date
DateAndTime
Calculations
Compatibility
Zones
DateTime
Delegator
Digest
UUID
ERB
Util
Enumerable
SoleItemExpectedError
EnvVars
Exception
Exhibit
FalseClass
File
Float
Hash
IO
Integer
Kernel
LoadError
Mail
Address
Message
MetaComment
Method
Minitest
BacktraceFilterWithFallback
ProfileReporter
SuppressedSummaryReporter
Module
Concerning
NameError
NilClass
Numeric
Object
Pathname
Person
PreviewDocs
RailInspector
Changelog
Entry
Formatter
Offense
Parser
Runner
Cli
Configuring
Check
FrameworkDefaults
GeneralConfiguration
AccessorParser
NewFrameworkDefaultsFile
Document
Files
Proxy
Requires
Visitor
Attribute
FrameworkDefault
VersionedConfig
HashToString
Load
Rails
API
EdgeTask
RepoTask
StableTask
Task
AppBuilder
Application
Bootstrap
Configuration
DefaultMiddlewareStack
Finisher
RoutesReloader
CodeStatistics
Command
Actions
App
Base
Db
System
Helpers
Editor
UnusedRoutesCommand
RouteInfo
Conductor
BaseController
Configuration
MiddlewareStackProxy
Console
AppInstance
ControllerHelper
ControllerInstance
IRBConsole
NewSession
RailsHelperBase
ReloadHelper
DBConsole
Engine
Configuration
Railties
Updater
Generators
Actions
ActiveModel
AppBase
GemfileEntry
AppGenerator
Base
BenchmarkGenerator
ChannelGenerator
Database
MariaDB
MariaDBMySQL2
MariaDBTrilogy
MySQL
MySQL2
Null
PostgreSQL
SQLite3
Trilogy
Db
System
MailboxGenerator
MailerGenerator
Migration
NamedBase
ScriptGenerator
TestCase
Testing
Assertions
Behavior
ClassMethods
SetupAndTeardown
HealthController
Info
Initializable
ClassMethods
Collection
Initializer
LineFiltering
MT5
MT6
Paths
Path
Root
PluginBuilder
Rack
Logger
SilenceRequest
Railtie
Configurable
ClassMethods
Configuration
Server
Options
SourceAnnotationExtractor
Annotation
ParserExtractor
Parser
PatternExtractor
TestUnit
InvalidTestError
Runner
TestParser
TestUnitRailtie
TestUnitReporter
VERSION
RailsStrictWarnings
WarningError
Range
Regexp
Releaser
RemoveNotNullOnActiveStorageBlobsChecksum
SecureRandom
Singleton
String
Symbol
TestUnit
Generators
ChannelGenerator
InstallGenerator
MailboxGenerator
Time
TrueClass
UnboundMethod
User
Pages
Brewfile
CODE_OF_CONDUCT
CONTRIBUTING
MIT-LICENSE
RAILS_VERSION
README
RELEASING_RAILS
actioncable
CHANGELOG
MIT-LICENSE
README
USAGE
actionmailbox
CHANGELOG
MIT-LICENSE
README
USAGE
actionmailer
CHANGELOG
MIT-LICENSE
README
USAGE
actionpack
CHANGELOG
MIT-LICENSE
README
actiontext
CHANGELOG
MIT-LICENSE
README
actionview
CHANGELOG
MIT-LICENSE
README
RUNNING_UNIT_TESTS
activejob
CHANGELOG
MIT-LICENSE
README
USAGE
activemodel
CHANGELOG
MIT-LICENSE
README
activerecord
CHANGELOG
MIT-LICENSE
README
RUNNING_UNIT_TESTS
USAGE
USAGE
activestorage
CHANGELOG
MIT-LICENSE
README
activesupport
CHANGELOG
MIT-LICENSE
README
railties
CHANGELOG
MIT-LICENSE
RDOC_MAIN
README
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
400.html
404.html
406-unsupported-browser.html
422.html
500.html
robots
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
USAGE
tools
README
line_statistics
LICENSE
README
class ActiveStorage::Transformers::ImageMagick
Ancestors
ImageProcessingTransformer