Maybe this is useful http://forums.site5.com/showthread.php?t=18522
On 30 авг, 06:44, Colin Law <[email protected]> wrote: > 2009/8/30 Frederick Cheung <[email protected]>: > > > > > > > On 30 Aug 2009, at 09:17, Colin Law wrote: > > >> 2009/8/30 CoolAJ86 <[email protected]>: > > >>>> Well yes - you still need to write the accessor methods to store you > >>>> instance variables (attr_accessor is probably enough). > > >>>> Fred > > >>> That makes sense. Thanks. > > >>> I had my JavaScript thinking cap on when I was doing this... thinking > >>> to create accessors out of thin air. > > >>> I also just found out that the virtual accessors are accessors, not > >>> class variables. > >>> return @updated_at # always null > >>> return updated_at # works > > >> Don't understand this. > > > I think what the previous poster has realised is that activerecord > > attributes are not stored inside individual instance variables. > > Ah, yes > > Colin > > > > > Fred > >> As I understand it if you have > >> attr_accessor :my_var > >> then @my_var will access the variable (but this may only be written > >> inside the class) > >> and my_var is a method (well two methods actually) that may be used > >> externally to read/write to @my_var so you can say > >> my_object.my_var = 1 > >> x = my_object.my_var > > >> If you use my_var (no @) inside the class this should work but it is > >> calling the accessor methods rather than directly accessing @my_var > > >> Colin --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
