1 files changed, 23 insertions, 2 deletions
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index e32cc59399..50c0dddcf2 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -11,6 +11,10 @@ class Post < ActiveRecord::Base
     def author
       "lifo"
     end
+
+    def greeting
+      super + " :)"
+    end
   end
 
   module NamedExtension2
@@ -31,6 +35,7 @@ class Post < ActiveRecord::Base
 
   belongs_to :author_with_posts, -> { includes(:posts) }, class_name: "Author", foreign_key: :author_id
   belongs_to :author_with_address, -> { includes(:author_address) }, class_name: "Author", foreign_key: :author_id
+  belongs_to :author_with_select, -> { select(:id) }, class_name: "Author", foreign_key: :author_id
 
   def first_comment
     super.body
@@ -38,6 +43,7 @@ class Post < ActiveRecord::Base
   has_one :first_comment, -> { order("id ASC") }, class_name: "Comment"
   has_one :last_comment, -> { order("id desc") }, class_name: "Comment"
 
+  scope :no_comments, -> { left_joins(:comments).where(comments: { id: nil }) }
   scope :with_special_comments, -> { joins(:comments).where(comments: { type: "SpecialComment" }) }
   scope :with_very_special_comments, -> { joins(:comments).where(comments: { type: "VerySpecialComment" }) }
   scope :with_post, ->(post_id) { joins(:comments).where(comments: { post_id: post_id }) }
@@ -77,6 +83,7 @@ class Post < ActiveRecord::Base
   has_many :comments_with_extend_2, extend: [NamedExtension, NamedExtension2], class_name: "Comment", foreign_key: "post_id"
 
   has_many :author_favorites, through: :author
+  has_many :author_favorites_with_scope, through: :author, class_name: "AuthorFavoriteWithScope", source: "author_favorites"
   has_many :author_categorizations, through: :author, source: :categorizations
   has_many :author_addresses, through: :author
   has_many :author_address_extra_with_address,
@@ -201,6 +208,10 @@ end
 
 class SubAbstractStiPost < AbstractStiPost; end
 
+class NullPost < Post
+  default_scope { none }
+end
+
 class FirstPost < ActiveRecord::Base
   self.inheritance_column = :disabled
   self.table_name = "posts"
@@ -210,6 +221,12 @@ class FirstPost < ActiveRecord::Base
   has_one  :comment,  foreign_key: :post_id
 end
 
+class PostWithDefaultSelect < ActiveRecord::Base
+  self.table_name = "posts"
+
+  default_scope { select(:author_id) }
+end
+
 class TaggedPost < Post
   has_many :taggings, -> { rewhere(taggable_type: "TaggedPost") }, as: :taggable
   has_many :tags, through: :taggings
@@ -307,8 +324,8 @@ class FakeKlass
       "posts"
     end
 
-    def attribute_alias?(name)
-      false
+    def attribute_aliases
+      {}
     end
 
     def sanitize_sql(sql)
@@ -327,6 +344,10 @@ class FakeKlass
       # noop
     end
 
+    def columns_hash
+      { "name" => nil }
+    end
+
     def arel_table
       Post.arel_table
     end