1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/type/internal/abstract_json.rb b/activerecord/lib/active_record/type/internal/abstract_json.rb
index e19c5a14da..a8d6a63465 100644
--- a/activerecord/lib/active_record/type/internal/abstract_json.rb
+++ b/activerecord/lib/active_record/type/internal/abstract_json.rb
@@ -24,6 +24,10 @@ module ActiveRecord
           end
         end
 
+        def changed_in_place?(raw_old_value, new_value)
+          deserialize(raw_old_value) != new_value
+        end
+
         def accessor
           ActiveRecord::Store::StringKeyedHashAccessor
         end