cached_attributes() Instance Public methods Returns the attributes which are cached. By default time related columns with datatype :datetime, :timestamp, :time, :date are cached.

cache_attributes(*attribute_names) Instance Public methods cache_attributes allows you to declare which converted attribute values should be cached. Usually caching only pays off for attributes with expensive conversion methods, like time related columns (e.g. created_at, updated_at).

cache_attribute?(attr_name) Instance Public methods Returns true if the provided attribute is being cached.

query_attribute(attr_name) Instance Public methods

attribute_method?(attr_name) Instance Protected methods

to_key() Instance Public methods Returns this record's primary key value wrapped in an Array if one is available.

id_was() Instance Public methods Returns the primary key previous value.

id_before_type_cast() Instance Public methods Returns the primary key value before type cast.

id?() Instance Public methods Queries the primary key value.

id=(value) Instance Public methods Sets the primary key value.