module ActiveRecord
module ActiveRecord::Aggregations
module ActiveRecord::Aggregations::ClassMethods
module ActiveRecord::Associations
module ActiveRecord::Associations::Builder
module ActiveRecord::Associations::ClassMethods
module ActiveRecord::Associations::Preloader::ThroughAssociation
module ActiveRecord::Associations::ThroughAssociation
module ActiveRecord::AttributeAssignment
module ActiveRecord::AttributeDecorators
module ActiveRecord::AttributeDecorators::ClassMethods
module ActiveRecord::AttributeMethods
module ActiveRecord::AttributeMethods::BeforeTypeCast
module ActiveRecord::AttributeMethods::ClassMethods
module ActiveRecord::AttributeMethods::Dirty
module ActiveRecord::AttributeMethods::PrimaryKey
module ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods
module ActiveRecord::AttributeMethods::Query
module ActiveRecord::AttributeMethods::Read
module ActiveRecord::AttributeMethods::Read::ClassMethods
module ActiveRecord::AttributeMethods::Serialization
module ActiveRecord::AttributeMethods::Serialization::ClassMethods
module ActiveRecord::AttributeMethods::TimeZoneConversion
module ActiveRecord::AttributeMethods::TimeZoneConversion::ClassMethods
module ActiveRecord::AttributeMethods::Write
module ActiveRecord::AttributeMethods::Write::ClassMethods
module ActiveRecord::Attributes
module ActiveRecord::Attributes::ClassMethods
module ActiveRecord::AutosaveAssociation
module ActiveRecord::AutosaveAssociation::AssociationBuilderExtension
module ActiveRecord::AutosaveAssociation::ClassMethods
module ActiveRecord::Batches
module ActiveRecord::Calculations
module ActiveRecord::Callbacks
module ActiveRecord::Callbacks::ClassMethods
module ActiveRecord::Coders
module ActiveRecord::ConnectionAdapters
module ActiveRecord::ConnectionAdapters::Column::Format
module ActiveRecord::ConnectionAdapters::ColumnDumper
module ActiveRecord::ConnectionAdapters::DatabaseLimits
module ActiveRecord::ConnectionAdapters::DatabaseStatements
module ActiveRecord::ConnectionAdapters::MysqlAdapter::Fields
module ActiveRecord::ConnectionAdapters::PostgreSQL
module ActiveRecord::ConnectionAdapters::PostgreSQL::ArrayParser
module ActiveRecord::ConnectionAdapters::PostgreSQL::ColumnMethods
module ActiveRecord::ConnectionAdapters::PostgreSQL::DatabaseStatements
module ActiveRecord::ConnectionAdapters::PostgreSQL::OID
module ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Infinity
module ActiveRecord::ConnectionAdapters::PostgreSQL::Quoting
module ActiveRecord::ConnectionAdapters::PostgreSQL::ReferentialIntegrity
module ActiveRecord::ConnectionAdapters::PostgreSQL::SchemaStatements
module ActiveRecord::ConnectionAdapters::PostgreSQL::Utils
module ActiveRecord::ConnectionAdapters::QueryCache
module ActiveRecord::ConnectionAdapters::Quoting
module ActiveRecord::ConnectionAdapters::Savepoints
module ActiveRecord::ConnectionAdapters::SchemaStatements
module ActiveRecord::ConnectionAdapters::TimestampDefaultDeprecation
module ActiveRecord::ConnectionHandling
module ActiveRecord::Core
module ActiveRecord::Core::ClassMethods
module ActiveRecord::CounterCache
module ActiveRecord::CounterCache::ClassMethods
module ActiveRecord::Delegation
module ActiveRecord::Delegation::ClassMethods
module ActiveRecord::Delegation::ClassSpecificRelation
module ActiveRecord::Delegation::ClassSpecificRelation::ClassMethods
module ActiveRecord::Delegation::DelegateCache
module ActiveRecord::DynamicMatchers
module ActiveRecord::DynamicMatchers::Finder
module ActiveRecord::Enum
module ActiveRecord::Explain
module ActiveRecord::FinderMethods
module ActiveRecord::Generators
module ActiveRecord::Generators::Migration
module ActiveRecord::Generators::Migration::ClassMethods
module ActiveRecord::Inheritance
module ActiveRecord::Inheritance::ClassMethods
module ActiveRecord::Integration
module ActiveRecord::Integration::ClassMethods
module ActiveRecord::Locking
module ActiveRecord::Locking::Optimistic
module ActiveRecord::Locking::Optimistic::ClassMethods
module ActiveRecord::Locking::Pessimistic
module ActiveRecord::Migration::CommandRecorder::StraightReversions
module ActiveRecord::Migration::JoinTable
module ActiveRecord::ModelSchema
module ActiveRecord::ModelSchema::ClassMethods
module ActiveRecord::NestedAttributes
module ActiveRecord::NestedAttributes::ClassMethods
module ActiveRecord::NoTouching
module ActiveRecord::NoTouching::ClassMethods
module ActiveRecord::NullRelation
module ActiveRecord::Persistence
module ActiveRecord::Persistence::ClassMethods
module ActiveRecord::PredicateBuilder::ArrayHandler::NullPredicate
module ActiveRecord::QueryCache::ClassMethods
module ActiveRecord::QueryMethods
module ActiveRecord::Querying
module ActiveRecord::Railties
module ActiveRecord::Railties::ControllerRuntime
module ActiveRecord::Railties::ControllerRuntime::ClassMethods
module ActiveRecord::ReadonlyAttributes
module ActiveRecord::ReadonlyAttributes::ClassMethods
module ActiveRecord::Reflection
module ActiveRecord::Reflection::ClassMethods
module ActiveRecord::Sanitization
module ActiveRecord::Sanitization::ClassMethods
module ActiveRecord::Scoping
module ActiveRecord::Scoping::ClassMethods
module ActiveRecord::Scoping::Default
module ActiveRecord::Scoping::Default::ClassMethods
module ActiveRecord::Scoping::Named
module ActiveRecord::Scoping::Named::ClassMethods
module ActiveRecord::Serialization
module ActiveRecord::SpawnMethods
module ActiveRecord::Store
module ActiveRecord::Store::ClassMethods
module ActiveRecord::Tasks
module ActiveRecord::Tasks::DatabaseTasks
module ActiveRecord::TestFixtures
module ActiveRecord::TestFixtures::ClassMethods
module ActiveRecord::Timestamp
module ActiveRecord::Transactions
module ActiveRecord::Transactions::ClassMethods
module ActiveRecord::Translation
module ActiveRecord::Type
module ActiveRecord::Type::Decorator
module ActiveRecord::Type::Mutable
module ActiveRecord::Type::Numeric
module ActiveRecord::Type::TimeValue
module ActiveRecord::VERSION
module ActiveRecord::Validations
module ActiveRecord::Validations::ClassMethods
module ArJdbcMySQL
class ActiveRecord::ActiveRecordError
class ActiveRecord::AdapterNotFound
class ActiveRecord::AdapterNotSpecified
class ActiveRecord::AssociationNotFoundError
class ActiveRecord::AssociationRelation
class ActiveRecord::AssociationTypeMismatch
class ActiveRecord::Associations::AliasTracker
class ActiveRecord::Associations::Association
class ActiveRecord::Associations::AssociationScope
class ActiveRecord::Associations::AssociationScope::BindSubstitution
class ActiveRecord::Associations::BelongsToAssociation
class ActiveRecord::Associations::BelongsToPolymorphicAssociation
class ActiveRecord::Associations::Builder::Association
class ActiveRecord::Associations::Builder::BelongsTo
class ActiveRecord::Associations::Builder::CollectionAssociation
class ActiveRecord::Associations::Builder::HasAndBelongsToMany
class ActiveRecord::Associations::Builder::HasAndBelongsToMany::JoinTableResolver
class ActiveRecord::Associations::Builder::HasAndBelongsToMany::JoinTableResolver::KnownClass
class ActiveRecord::Associations::Builder::HasMany
class ActiveRecord::Associations::Builder::HasOne
class ActiveRecord::Associations::Builder::SingularAssociation
class ActiveRecord::Associations::CollectionAssociation
class ActiveRecord::Associations::CollectionProxy
class ActiveRecord::Associations::HasManyAssociation
class ActiveRecord::Associations::HasManyThroughAssociation
class ActiveRecord::Associations::HasOneAssociation
class ActiveRecord::Associations::HasOneThroughAssociation
class ActiveRecord::Associations::JoinDependency
class ActiveRecord::Associations::JoinDependency::Aliases
class ActiveRecord::Associations::JoinDependency::Aliases::Table
class ActiveRecord::Associations::JoinDependency::JoinAssociation
class ActiveRecord::Associations::JoinDependency::JoinBase
class ActiveRecord::Associations::JoinDependency::JoinPart
class ActiveRecord::Associations::Preloader
class ActiveRecord::Associations::Preloader::AlreadyLoaded
class ActiveRecord::Associations::Preloader::Association
class ActiveRecord::Associations::Preloader::BelongsTo
class ActiveRecord::Associations::Preloader::CollectionAssociation
class ActiveRecord::Associations::Preloader::HasMany
class ActiveRecord::Associations::Preloader::HasManyThrough
class ActiveRecord::Associations::Preloader::HasOne
class ActiveRecord::Associations::Preloader::HasOneThrough
class ActiveRecord::Associations::Preloader::NullPreloader
class ActiveRecord::Associations::Preloader::SingularAssociation
class ActiveRecord::Associations::SingularAssociation
class ActiveRecord::Attribute
class ActiveRecord::Attribute::FromDatabase
class ActiveRecord::Attribute::FromUser
class ActiveRecord::Attribute::Null
class ActiveRecord::Attribute::Uninitialized
class ActiveRecord::AttributeAssignment::MultiparameterAttribute
class ActiveRecord::AttributeAssignmentError
class ActiveRecord::AttributeDecorators::TypeDecorator
class ActiveRecord::AttributeMethods::AttributeMethodCache
class ActiveRecord::AttributeMethods::GeneratedAttributeMethods
class ActiveRecord::AttributeMethods::TimeZoneConversion::TimeZoneConverter
class ActiveRecord::AttributeSet
class ActiveRecord::AttributeSet::Builder
class ActiveRecord::Base
class ActiveRecord::Coders::JSON
class ActiveRecord::Coders::YAMLColumn
class ActiveRecord::ConfigurationError
class ActiveRecord::ConnectionAdapters::AbstractAdapter
class ActiveRecord::ConnectionAdapters::AbstractAdapter::BindCollector
class ActiveRecord::ConnectionAdapters::AbstractAdapter::SQLString
class ActiveRecord::ConnectionAdapters::AbstractAdapter::SchemaCreation
class ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter
class ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter::Column
class ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter::MysqlString
class ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter::SchemaCreation
class ActiveRecord::ConnectionAdapters::AlterTable
class ActiveRecord::ConnectionAdapters::ChangeColumnDefinition
class ActiveRecord::ConnectionAdapters::Column
class ActiveRecord::ConnectionAdapters::ColumnDefinition
class ActiveRecord::ConnectionAdapters::ConnectionHandler
class ActiveRecord::ConnectionAdapters::ConnectionManagement
class ActiveRecord::ConnectionAdapters::ConnectionPool
class ActiveRecord::ConnectionAdapters::ConnectionPool::Queue
class ActiveRecord::ConnectionAdapters::ConnectionPool::Reaper
class ActiveRecord::ConnectionAdapters::ConnectionSpecification
class ActiveRecord::ConnectionAdapters::ConnectionSpecification::ConnectionUrlResolver
class ActiveRecord::ConnectionAdapters::ConnectionSpecification::Resolver
class ActiveRecord::ConnectionAdapters::ForeignKeyDefinition
class ActiveRecord::ConnectionAdapters::IndexDefinition
class ActiveRecord::ConnectionAdapters::Mysql2Adapter
class ActiveRecord::ConnectionAdapters::Mysql2Adapter::ExplainPrettyPrinter
class ActiveRecord::ConnectionAdapters::MysqlAdapter
class ActiveRecord::ConnectionAdapters::MysqlAdapter::Fields::DateTime
class ActiveRecord::ConnectionAdapters::MysqlAdapter::Fields::Time
class ActiveRecord::ConnectionAdapters::MysqlAdapter::StatementPool
class ActiveRecord::ConnectionAdapters::NullTransaction
class ActiveRecord::ConnectionAdapters::PostgreSQL::ColumnDefinition
class ActiveRecord::ConnectionAdapters::PostgreSQL::DatabaseStatements::ExplainPrettyPrinter
class ActiveRecord::ConnectionAdapters::PostgreSQL::Name
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Array
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Bit
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Bit::Data
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::BitVarying
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Bytea
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Cidr
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Date
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::DateTime
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Decimal
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Enum
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Float
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Hstore
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Inet
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Integer
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Json
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Jsonb
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Money
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Point
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Range
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::SpecializedString
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Time
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::TypeMapInitializer
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Uuid
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Vector
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Xml
class ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Xml::Data
class ActiveRecord::ConnectionAdapters::PostgreSQL::SchemaCreation
class ActiveRecord::ConnectionAdapters::PostgreSQL::Table
class ActiveRecord::ConnectionAdapters::PostgreSQL::TableDefinition
class ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
class ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::StatementPool
class ActiveRecord::ConnectionAdapters::PostgreSQLColumn
class ActiveRecord::ConnectionAdapters::RealTransaction
class ActiveRecord::ConnectionAdapters::SQLite3Adapter
class ActiveRecord::ConnectionAdapters::SQLite3Adapter::ExplainPrettyPrinter
class ActiveRecord::ConnectionAdapters::SQLite3Adapter::StatementPool
class ActiveRecord::ConnectionAdapters::SQLite3Adapter::Version
class ActiveRecord::ConnectionAdapters::SQLite3Binary
class ActiveRecord::ConnectionAdapters::SQLite3String
class ActiveRecord::ConnectionAdapters::SavepointTransaction
class ActiveRecord::ConnectionAdapters::SchemaCache
class ActiveRecord::ConnectionAdapters::StatementPool
class ActiveRecord::ConnectionAdapters::Table
class ActiveRecord::ConnectionAdapters::TableDefinition
class ActiveRecord::ConnectionAdapters::Transaction
class ActiveRecord::ConnectionAdapters::TransactionManager
class ActiveRecord::ConnectionAdapters::TransactionState
class ActiveRecord::ConnectionHandling::MergeAndResolveDefaultUrlConfig
class ActiveRecord::ConnectionNotEstablished
class ActiveRecord::ConnectionTimeoutError
class ActiveRecord::DangerousAttributeError
class ActiveRecord::DeleteRestrictionError
class ActiveRecord::DuplicateMigrationNameError
class ActiveRecord::DuplicateMigrationVersionError
class ActiveRecord::DynamicMatchers::FindBy
class ActiveRecord::DynamicMatchers::FindByBang
class ActiveRecord::DynamicMatchers::Method
class ActiveRecord::EagerLoadPolymorphicError
class ActiveRecord::ExplainRegistry
class ActiveRecord::ExplainSubscriber
class ActiveRecord::Fixture
class ActiveRecord::Fixture::FixtureError
class ActiveRecord::Fixture::FormatError
class ActiveRecord::FixtureClassNotFound
class ActiveRecord::FixtureSet
class ActiveRecord::FixtureSet::ClassCache
class ActiveRecord::FixtureSet::File
class ActiveRecord::FixtureSet::HasManyThroughProxy
class ActiveRecord::FixtureSet::ReflectionProxy
class ActiveRecord::FixtureSet::RenderContext
class ActiveRecord::Generators::Base
class ActiveRecord::Generators::MigrationGenerator
class ActiveRecord::Generators::ModelGenerator
class ActiveRecord::HasManyThroughAssociationNotFoundError
class ActiveRecord::HasManyThroughAssociationPointlessSourceTypeError
class ActiveRecord::HasManyThroughAssociationPolymorphicSourceError
class ActiveRecord::HasManyThroughAssociationPolymorphicThroughError
class ActiveRecord::HasManyThroughCantAssociateNewRecords
class ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection
class ActiveRecord::HasManyThroughCantDissociateNewRecords
class ActiveRecord::HasManyThroughNestedAssociationsAreReadonly
class ActiveRecord::HasManyThroughSourceAssociationNotFoundError
class ActiveRecord::HasOneAssociationPolymorphicThroughError
class ActiveRecord::HasOneThroughCantAssociateThroughCollection
class ActiveRecord::IllegalMigrationNameError
class ActiveRecord::ImmutableRelation
class ActiveRecord::InvalidForeignKey
class ActiveRecord::InverseOfAssociationNotFoundError
class ActiveRecord::IrreversibleMigration
class ActiveRecord::LazyAttributeHash
class ActiveRecord::Locking::LockingType
class ActiveRecord::LogSubscriber
class ActiveRecord::Migration
class ActiveRecord::Migration::CheckPending
class ActiveRecord::Migration::CommandRecorder
class ActiveRecord::Migration::ReversibleBlockHelper
class ActiveRecord::MigrationError
class ActiveRecord::MigrationProxy
class ActiveRecord::Migrator
class ActiveRecord::MultiparameterAssignmentErrors
class ActiveRecord::NestedAttributes::TooManyRecords
class ActiveRecord::NoDatabaseError
class ActiveRecord::NullMigration
class ActiveRecord::PendingMigrationError
class ActiveRecord::PredicateBuilder
class ActiveRecord::PredicateBuilder::ArrayHandler
class ActiveRecord::PredicateBuilder::RelationHandler
class ActiveRecord::PreparedStatementInvalid
class ActiveRecord::QueryCache
class ActiveRecord::QueryMethods::WhereChain
class ActiveRecord::Railtie
class ActiveRecord::ReadOnlyAssociation
class ActiveRecord::ReadOnlyRecord
class ActiveRecord::RecordInvalid
class ActiveRecord::RecordNotDestroyed
class ActiveRecord::RecordNotFound
class ActiveRecord::RecordNotSaved
class ActiveRecord::RecordNotUnique
class ActiveRecord::Reflection::AbstractReflection
class ActiveRecord::Reflection::AggregateReflection
class ActiveRecord::Reflection::AssociationReflection
class ActiveRecord::Reflection::BelongsToReflection
class ActiveRecord::Reflection::HasAndBelongsToManyReflection
class ActiveRecord::Reflection::HasManyReflection
class ActiveRecord::Reflection::HasOneReflection
class ActiveRecord::Reflection::MacroReflection
class ActiveRecord::Reflection::ThroughReflection
class ActiveRecord::Relation
class ActiveRecord::Relation::HashMerger
class ActiveRecord::Relation::Merger
class ActiveRecord::Result
class ActiveRecord::Rollback
class ActiveRecord::RuntimeRegistry
class ActiveRecord::Schema
class ActiveRecord::SchemaDumper
class ActiveRecord::SchemaMigration
class ActiveRecord::Scoping::ScopeRegistry
class ActiveRecord::SerializationTypeMismatch
class ActiveRecord::StaleObjectError
class ActiveRecord::StatementCache
class ActiveRecord::StatementCache::BindMap
class ActiveRecord::StatementCache::Params
class ActiveRecord::StatementCache::PartialQuery
class ActiveRecord::StatementCache::Query
class ActiveRecord::StatementCache::Substitute
class ActiveRecord::StatementInvalid
class ActiveRecord::Store::HashAccessor
class ActiveRecord::Store::IndifferentCoder
class ActiveRecord::Store::IndifferentHashAccessor
class ActiveRecord::Store::StringKeyedHashAccessor
class ActiveRecord::SubclassNotFound
class ActiveRecord::Tasks::DatabaseAlreadyExists
class ActiveRecord::Tasks::DatabaseNotSupported
class ActiveRecord::Tasks::MySQLDatabaseTasks
class ActiveRecord::Tasks::PostgreSQLDatabaseTasks
class ActiveRecord::Tasks::SQLiteDatabaseTasks
class ActiveRecord::TransactionIsolationError
class ActiveRecord::Type::BigInteger
class ActiveRecord::Type::Binary
class ActiveRecord::Type::Binary::Data
class ActiveRecord::Type::Boolean
class ActiveRecord::Type::Date
class ActiveRecord::Type::DateTime
class ActiveRecord::Type::Decimal
class ActiveRecord::Type::DecimalWithoutScale
class ActiveRecord::Type::Float
class ActiveRecord::Type::HashLookupTypeMap
class ActiveRecord::Type::Integer
class ActiveRecord::Type::Serialized
class ActiveRecord::Type::String
class ActiveRecord::Type::Text
class ActiveRecord::Type::Time
class ActiveRecord::Type::TypeMap
class ActiveRecord::Type::UnsignedInteger
class ActiveRecord::Type::Value
class ActiveRecord::UnknownAttributeError
class ActiveRecord::UnknownMigrationVersionError
class ActiveRecord::UnknownPrimaryKey
class ActiveRecord::Validations::AssociatedValidator
class ActiveRecord::Validations::PresenceValidator
class ActiveRecord::Validations::UniquenessValidator
class ActiveRecord::WrappedDatabaseException
class ActiveRecord::XmlSerializer
class ActiveRecord::XmlSerializer::Attribute
class ArJdbcMySQL::Error
class Mysql
class Mysql::Result
class Mysql::Stmt
class Mysql::Time
class unprocessable
activerecord
4.2.0.rc3
# attribute?
def attribute?(attribute_name) query_attribute(attribute_name) end