The hidden features of ActiveRecord

Intro to some of the lesser known features in activerecord and new features in Rails 5 activerecord. A Tuesday-talk at Cybrilla Technologies.

Transcript

1. THE HIDDEN FEATURES OF ACTIVE-RECORD And the Future….. - Tejas Bubane @tejasbubane
2. 1. ENUMS 2. OPTIMISTIC LOCKING 3. DIRTY TRACKING And the Future of course….
3. ENUMS
4. ENUMS
5. LOCKING 1. Optimistic Locking - Application Level 2. Pessimistic Locking - Database Level
6. OPTIMISTIC LOCKING
7. DIRTY TRACKING ActiveModel::Dirty tracks changes in a Model
8. DIRTY TRACKING
9. FUTURE Rails 5 !!!
10. #OR OPERATOR PR: https://github.com/rails/rails/pull/16052 Post.where(title: "Tuesday Talk").or(Post.where(title: "Wednesday Talk")
11. #HAS_SECURE_TOKEN Similar to #has_secure_password PR: https://github.com/rails/rails/pull/18217
12. #BELONGS_TO REQUIRED Similar to #has_secure_password PR: https://github.com/rails/rails/pull/18937
13. QUESTIONS ?
14. REFERENCES 1. ENUM: http://edgeapi.rubyonrails.org/classes/ActiveRecord/Enum.html 2. Optimistic Locking: http://api.rubyonrails.org/classes/ActiveRecord/Locking/ Optimistic.html 3. Dirty Tracking: http://api.rubyonrails.org/classes/ActiveModel/Dirty.html 4. Future Rails 5: https://medium.com/evil-martians/the-rails-5-post-9c76dbac8fc
15. THANK YOU