omg computer science!

Implement a mini state machine for serialized attributes. This means we
do not have to deserialize the values upon initialization, which means
that if we never actually access the attribute, we never have to
deserialize it.

1 files changed, 1 insertions, 5 deletions

diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index 0327e5aea8..12e5715710 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -686,17 +686,13 @@ class AttributeMethodsTest < ActiveRecord::TestCase
 
   private
   def cached_columns
-    @cached_columns ||= (time_related_columns_on_topic + serialized_columns_on_topic).map(&:name)
+    @cached_columns ||= time_related_columns_on_topic.map(&:name)
   end
 
   def time_related_columns_on_topic
     Topic.columns.select { |c| c.type.in?([:time, :date, :datetime, :timestamp]) }
   end
 
-  def serialized_columns_on_topic
-    Topic.columns.select { |c| Topic.serialized_attributes.include?(c.name) }
-  end
-
   def in_time_zone(zone)
     old_zone  = Time.zone
     old_tz    = ActiveRecord::Base.time_zone_aware_attributes