Fix unscope not working when where by tripe dot range

Fix rails#48094

Author: ippachi

activerecord/CHANGELOG.md

@@ -1,3 +1,20 @@
+*   Fix unscope is not working in specific case
+
+    Before:
+    ```ruby
+    Post.where(id: 1...3).unscope(where: :id).to_sql # "SELECT `posts`.* FROM `posts` WHERE `posts`.`id` >= 1 AND `posts`.`id` < 3"
+
+    ```
+
+    After:
+    ```ruby
+    Post.where(id: 1...3).unscope(where: :id).to_sql # "SELECT `posts`.* FROM `posts`"
+    ```
+
+    Fixes: #48094
+
+    *Kazuya Hatanaka*
+
 *   Allow composite primary key to be derived from schema
 
     Booting an application with a schema that contains composite primary keys

activerecord/lib/arel/nodes/and.rb

@@ -18,6 +18,10 @@ def right
         children[1]
       end
 
+      def fetch_attribute(&block)
+        children.any? && children.all? { |child| child.fetch_attribute(&block) }
+      end
+
       def hash
         children.hash
       end

activerecord/test/cases/relations_test.rb

@@ -2329,6 +2329,20 @@ def test_unscope_grouped_where
     assert_equal Post.count, posts.unscope(where: :title).count
   end
 
+  def test_unscope_with_double_dot_where
+    posts = Post.where(id: 1..2)
+
+    assert_equal 2, posts.count
+    assert_equal Post.count, posts.unscope(where: :id).count
+  end
+
+  def test_unscope_with_triple_dot_where
+    posts = Post.where(id: 1...3)
+
+    assert_equal 2, posts.count
+    assert_equal Post.count, posts.unscope(where: :id).count
+  end
+
   def test_locked_should_not_build_arel
     posts = Post.locked
     assert_predicate posts, :locked?