Fred, That's right. If I run rails runner "User.scoped" then no query to db at all. Thanks for the enlightening info.
On Sat, Oct 23, 2010 at 9:34 AM, Frederick Cheung < [email protected]> wrote: > > > On Oct 23, 1:27 am, marchmatch <[email protected]> wrote: > > Hi, > > > > Is Rails3 ActiveRecord supposed to be lazy loading? In the following > snippet > > when I call scoped on User model, it does return a ActiveRecord::Relation > > object. But at the same time the query is performed: "User Load (0.3ms) > > SELECT "users".* FROM "users". If I do a u.all after it, no query is > > performed. Any thoughts? > > It's because you're doing this in the console: irb calls inspect on > the result of the expression in order to display it to you, which > triggers the load of the data. > > Fred > > > > ruby-1.9.2-p0 > u=User.scoped > > User Load (0.3ms) SELECT "users".* FROM "users" > > [#<User id: 1, name: "u1", created_at: "2010-09-08 04:08:28", updated_at: > > "2010-09-08 04:08:28">, #<User id: 2, name: "u2", created_at: "2010-09-08 > > 04:08:34", updated_at: "2010-09-08 04:08:34">, #<User id: 3, name: "u3", > > created_at: "2010-09-08 04:08:39", updated_at: "2010-09-08 04:08:39">] > > > > ruby-1.9.2-p0 > u.class > > ActiveRecord::Relation < Object > > -- > 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.
