On Saturday, October 19, 2013 7:33:12 PM UTC+1, Srdjan Cengic wrote: > > Hy, > > I have some table in my DB like following: *Post(id, title, content, > created_at, updated_at)* > > First question, what type ActiveRecord returns? > For example if i do something like: @posts = Post.all, through debugger i > can see: > > #<ActiveRecord::Relation > *[*#<Post id: 1, title: "My first post", content: "Zdravo, ovo je moj > prvi post.", created_at: "2013-10-17 10:06:55", updated_at: "2013-10-17 > 10:06:55">, > #<Post id: 3, title: "My second post", content: "Zdravo, ovo je moj drugi > post.", created_at: "2013-10-17 11:11:29", updated_at: "2013-10-17 > 11:11:29">, > #<Post id: 18, title: "My third post", content: "Dobar dan, ovo je moj > treci post.", created_at: "2013-10-18 11:31:07",updated_at: "2013-10-18 > 11:31:07">*]*> > > So this is array of hashes? or array of Post objects? > > I n rails 3, this is an array of Post objects (on rails 4 it is an ActiveRecord::Relation, but you can still treat it as an array of Post objects)
> Second if i do something like: > @post = Post.first (this will return Post object?) > > Yes. then through debugger i can do: @post.id > Here, i'm guessing, because each model is inherit from ActiveRecord::Base, > ActiveRecord will create accessor for each column in table that represent > model? > Because that i can write something like @post.id or @post.id = 100. > So internally ActiveRecord does something like attr_accessor :id for Post > model? (and for every other column in posts table, attr_accesor: title, etc) > ActiveRecord creates accessors for you (although they are not the same as the ones that would be created by attr_accessor) Fred -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/f2b8b5fe-82b6-417a-bffb-9c3b1438af13%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
