gistfile1.diff

diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index a448e0a..6d3b0a8 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -1708,6 +1708,18 @@ if ActiveRecord::Base.connection.supports_migrations?
       end
     end
 
+    def test_add_column_persists_values
+      Person.create!
+
+      Person.connection.add_column :people, :favorite_food, :string
+      Person.find_each do |p|
+        p.favorite_food = "hotdogs"
+        p.save!
+      end
+
+      assert_equal "hotdogs", Person.last.favorite_food
+    end
+
     protected
       def with_env_tz(new_tz = 'US/Eastern')
         old_tz, ENV['TZ'] = ENV['TZ'], new_tz