Module: ActiveRecord::AttributeMethods::Write

Extended by:
ActiveSupport::Concern
Defined in:
lib/active_record/attribute_methods/write.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#_write_attribute(attr_name, value) ⇒ Object Also known as: attribute=

This method exists to avoid the expensive primary_key check internally, without breaking compatibility with the write_attribute API



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# File 'lib/active_record/attribute_methods/write.rb', line 39

def _write_attribute(attr_name, value) # :nodoc:
  @attributes.write_from_user(attr_name, value)
end

#write_attribute(attr_name, value) ⇒ Object

Updates the attribute identified by attr_name with the specified value. Empty strings for Integer and Float columns are turned into nil.



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# File 'lib/active_record/attribute_methods/write.rb', line 29

def write_attribute(attr_name, value)
  name = attr_name.to_s
  name = self.class.attribute_aliases[name] || name

  name = @primary_key if name == "id" && @primary_key
  @attributes.write_from_user(name, value)
end