Well so its of no use if one wants to check if the record is a brand new record or an updated one
On Jul 1, 6:13 pm, RailsFan Radha <[email protected]> wrote: > I just read this from the "Simply Rails 2" book > > model.new_record? > If it is not yet saved, will return true. > If saved, will return false. > > Excerpt from this book: > > From the Rails console, let’s create this Story class, and an instance > of the class called story, by entering these commands:>> class Story < > ActiveRecord::Base; end > => nil > >> story = Story.new > > => #<Story id: nil, name: nil, url: nil, created_at: nil, > updated_at: nil>>> story.class > > => Story(id: integer, name: string, link: string, > created_at: datetime, updated_at: datetime) > As you can see, the syntax for creating a new ActiveRecord object is > identical to the syntax we used to create other Ruby objects in Chapter > 3. At this point, we’ve created a new Story object. However, this object > exists in memory only—we haven’t stored it in our database yet. > We can confirm the fact that our Story object hasn’t been saved yet by > checking the return value of the new_record? method: > > >> story.new_record? > > => true > Since the object has not been saved yet, it will be lost when we exit > the Rails console. To save it to the database, we need to invoke the > object’s save method:>> story.save > > => true > Now that we’ve saved our object (a return value of true indicates that > the save method was successful) our story is no longer a new record. > It’s even been assigned a unique ID, as shown below:>> story.new_record? > => false > >> story.id > > => 1 > > > > Filipe Quadros Borges wrote: > > try '[email protected]_record' > > >http://api.rubyonrails.org/classes/ActiveRecord/Base.html#M001843 > > > On Thu, Jul 1, 2010 at 9:57 PM, badnaam <[email protected]> wrote: > >> To unsubscribe from this group, send email to > >> [email protected]. > >> For more options, visit this group > >> athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > > -- > > Filipe Quadros Borges > > > email: [email protected] > > msn: [email protected] > > -- > Posted viahttp://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
