Reproduce predicate_builder bug in Rails 3.2.12 See https://github.com/rails/rails/commit/921a296a3390192a71abeec6d9a035cc6d1865c8#commitcomment-2626277

predicate_builder_bug.rb

gem 'rails', '3.2.12' # change version to 3.2.11 to see this working, 3.2.12 is broken
require 'active_record'
 
ActiveRecord::Base.establish_connection(
  :adapter  => 'sqlite3',
  :database => ':memory:'
)
 
ActiveRecord::Schema.define do
  create_table :users, :force => true do |t|
    t.integer :id
    t.integer :location_id
  end
 
  create_table :groups, :force => true do |t|
    t.integer :id
    t.integer :group_type
  end

  create_table :group_memberships, :force => true do |t|
    t.integer :user_id
    t.integer :group_id
  end
end
 
class Group < ActiveRecord::Base
end

class GroupMembership < ActiveRecord::Base
  belongs_to :group
  belongs_to :user
end

class User < ActiveRecord::Base
  belongs_to :location, :class_name => "Group", :foreign_key => "location_id"
  has_many :group_memberships
  has_many :organization_groups, :through => :group_memberships, :source => :group, :conditions => {:group_type => 3}
end

User.includes(:location).includes(:organization_groups).order("groups.id").count
# works in 3.2.11
# error in 3.2.12: Could not find table 'organization_groups_users'