Oleg

This is a bit messed up. I'm experiencing the same issue.

accepts_nested_attributes_for for has_one completely skips validation on the nested element. has_many ...

create_head is the Rails built-in method. See: http://rails-doc.org/docs/Active...

I have a feeling that something gets messed due to the validation method. I...

Odd one I found today:

class Chicken
  has_one :head
end

class Head
  belongs_to :chicken
  validates_uniqueness_of :chicken_id
end

>> @chicke...

+1 on this one. Annoying bug... and not something that is obvious to me how to fix.

Well, damn... You are correct. :joins actually works in this case. No reason why :include shouldn't work as well though. Rather misleading thinking that they c...

Ignore my comment about eager loading being borked, I forgot I needed to do :select => 'id' as well. Issue still stands, however.

I'm bumping this again with a test

class AssociationsJoinModelTest < ActiveRecord::TestCase

  def test_my_little_test
    p = Post.find(:all, :select =>...

First of all, a small annoying bug:

CompanyActivitiesSummary.find(:all, :select => 'company.id, sum(active_users_count)', :group => 'company_id', :include => ...