Class: ActiveRecord::Associations::SingularAssociation

Inherits:
Object
  • Object
show all
Defined in:
lib/jit_preloader/active_record/associations/singular_association.rb

Instance Method Summary collapse

Instance Method Details

#load_target_with_jit ⇒ Object 



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# File 'lib/jit_preloader/active_record/associations/singular_association.rb', line 3

def load_target_with_jit
  was_loaded = loaded?

  if !loaded? && owner.persisted? && owner.jit_preloader
    owner.jit_preloader.jit_preload(reflection.name)
  end

  jit_loaded = loaded?

  load_target_without_jit.tap do |record|
    if owner.persisted? && !was_loaded
      # If the owner doesn't track N+1 queries, then we don't need to worry about
      # tracking it on the record. This is because you can do something like:
      # model.foo.bar (where foo and bar are singular associations) and that isn't
      # always an N+1 query.
      record.jit_n_plus_one_tracking ||= owner.jit_n_plus_one_tracking if record

      if !jit_loaded && owner.jit_n_plus_one_tracking
        ActiveSupport::Notifications.publish("n_plus_one_query",
                                             source: owner, association: reflection.name)
      end
    end
  end
end