This is not currently public API, the final API will likely support default values when it is made public in the future.
On Tuesday, December 23, 2014 2:19:14 AM UTC-7, Benji wrote: > > [Braindump] > I stumbled on the code to define an attribute in the model. Since my > personal opinion is that default and type logic of an attribute is the > responsibility of the model and not of a database column type I was really > happy to see the code appear in rails: > > > https://github.com/rails/rails/blob/master/activerecord/lib/active_record/attributes.rb#L78 > > The current implementation of the attribute method requires a mandatory > second argument type caster object. Since active record has a very good > mechanism of creating a good default type caster based on a database column > I suggest to use it for this method. In pseudo monkey patch code: > > class MyModel < ActiveRecord::Base > def self.attribute(name, options = {}) > type_caster = options.delete(:type) || > columns_hash[name.to_s].cast_type > super(name, type_caster, options) > end > > > attribute :my_number, default: 5 > attribute :price_in_cents, type: MoneyType.new > end > > aka, make the type caster an option, not a required argument and fall back > to the default based on the database column type. > > Thanks for all the good work!! > > Benjamin ter Kuile > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-core+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-core@googlegroups.com. Visit this group at http://groups.google.com/group/rubyonrails-core. For more options, visit https://groups.google.com/d/optout.
