Example of DB serialized object in Rails

db_serialized_obj.sql

select positions from teacher_profiles limit 1;
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| positions                                                                                                                                                                                                                                                                                                                                           |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ---
- &2535799820 !ruby/object:TeacherProfile::Position
  current: true
  errors: !ruby/object:ActiveModel::Errors
    base: *2535799820
    messages: !omap []
  grades:
  - :3
  - :5
  - :6
  - :8
  - :11
  role: :support_staff
  subjects:
  - :english_language_arts
  - :history_and_social_science
  - :technology
  validation_context: 
 |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+