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Namespace
Methods
A
I
T
Instance Public methods
id()

Returns the primary key value.

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 17
def id
  sync_with_transaction_state
  read_attribute(self.class.primary_key)
end
id=(value)

Sets the primary key value.

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 23
def id=(value)
  sync_with_transaction_state
  write_attribute(self.class.primary_key, value) if self.class.primary_key
end
id?()

Queries the primary key value.

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 29
def id?
  sync_with_transaction_state
  query_attribute(self.class.primary_key)
end
id_before_type_cast()

Returns the primary key value before type cast.

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 35
def id_before_type_cast
  sync_with_transaction_state
  read_attribute_before_type_cast(self.class.primary_key)
end
to_key()

Returns this record's primary key value wrapped in an Array if one is available.

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 10
def to_key
  sync_with_transaction_state
  key = self.id
  [key] if key
end
Instance Protected methods
attribute_method?(attr_name)
# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 42
def attribute_method?(attr_name)
  attr_name == 'id' || super
end