To find the last id of MyModel you could do MyModel.last.id
even souds like it should ) But it's not what you really want for upper bound. In your case MyModel.count(:all) or just MyModel.count will fit better On Mon, Apr 19, 2010 at 10:39 PM, Robert Walker <[email protected]>wrote: > Eric B. wrote: > > Franz Strebel wrote: > > > >> last_id = MyModel.find(:first, :order => 'id desc').id > > > > @Franz > > > > Thanks this worked great well kinda, I'm confused on why there is the > > '.id' at the end also how would I limit this to give me say the first 3 > > from the back of the list instead of > > It seems obvious to me. Look at the variable used "last_id." Sending the > "id" message to an instance of an ActiveRecord object returns the "id" > value of the object. > > > :all or :first and :limit => 3 > > my_models = MyModel.find(:all, :order => 'id desc', :limit => 3) > > > didn't work because i am calling this in my 'MyModel.rb' file so in my > > index.html.erb file its set for .each with a do loop and every other > > thing i have tried has bombed > > I don't quite follow you here without seeing your code. > > > People may say RoR is fun and easy and at the beginning it is but > > sometimes its really frustrating > > Programming is HARD! If anyone tries to tell you different then they are > either lying to you, or are just plain gifted in the art of writing > code. For most of us, however, it takes effort to learn. > > When people say RoR is fun and easy, they mean in comparison to other > languages and frameworks. > -- > Posted via http://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]<rubyonrails-talk%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- 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.
