1 files changed, 39 insertions, 0 deletions
diff --git a/activerecord/test/models/owner.rb b/activerecord/test/models/owner.rb
new file mode 100644
index 0000000000..5fa50d9918
--- /dev/null
+++ b/activerecord/test/models/owner.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class Owner < ActiveRecord::Base
+  self.primary_key = :owner_id
+  has_many :pets, -> { order "pets.name desc" }
+  has_many :toys, through: :pets
+  has_many :persons, through: :pets
+
+  belongs_to :last_pet, class_name: "Pet"
+  scope :including_last_pet, -> {
+    select('
+      owners.*, (
+        select p.pet_id from pets p
+        where p.owner_id = owners.owner_id
+        order by p.name desc
+        limit 1
+      ) as last_pet_id
+    ').includes(:last_pet)
+  }
+
+  after_commit :execute_blocks
+
+  accepts_nested_attributes_for :pets, allow_destroy: true
+
+  def blocks
+    @blocks ||= []
+  end
+
+  def on_after_commit(&block)
+    blocks << block
+  end
+
+  def execute_blocks
+    blocks.each do |block|
+      block.call(self)
+    end
+    @blocks = []
+  end
+end