Hi! The call to to_json shouldn't be the last call in the statement?
Regards, Everaldo On Tue, Nov 15, 2011 at 9:06 PM, John Merlino <[email protected]> wrote: > this error usually occurs when trying to mix 1st and 2nd order > relationships in a single to_json call: > > undefined method `macro' for nil:NilClass > > Rails 3 has this way to support 2nd order relationships: > > http://apidock.com/rails/ActiveRecord/Serialization/to_json > > So I try to use it: > > @units = User.where(:id => > params[:user_id]).first.units.to_json(:include => { > :only => :reports, > :notifications => {:include => {:only > => :notification_codes} } > }) > > A unit has many reports and notifications. And a notification belongs > to notification code. > > This is the relationship between notifications and notification codes: > > //notifications > belongs_to :notification_code, :foreign_key => :code > > //notification codes > has_many :notifications > > So I am not sure why error occurs. > > Thanks for response > > -- > 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. > > -- 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.
