Last Updated: February 25, 2016
·
1.435K
· joneslee85

Prevent abstract ActiveRecord instantiation

#rails
#activerecord
#sti
#abstract class

Having an sort of mixed STI + Abstract? Want to block the base class to be instantiable? Simple add in validates_presence for type column in the base class. :)

#rails
#activerecord
#sti
#abstract class

Written by Trung Lê

Say Thanks
Respond

Related protips

Rails 4: How to partials & AJAX, dead easy

193.2K
27

Ruby on Rails 4 - Authentication with Facebook and OmniAuth.

100.8K
51

Open a rails form with Twitter Bootstrap modals

88.08K
19

Have a fresh tip? Share with Coderwall community!

Post
Post a tip
Best #Rails Authors
sebastialonso
225.4K
#rails
#CSS
#JavaScript
sergiotapia
143K
#rails
#Ruby
#Elixir
jamesdullaghan
91.08K
#rails
#JavaScript
#Ruby
edokun_
88.07K
#rails
#Ruby
#Python
rorykoehler
81.64K
#rails
#Postgres
#Coffeescript
Related Tags
#rails
#activerecord
#sti
#abstract class
Sponsored by
#native_company#
#native_desc#
#native_cta#
Filed Under
Ruby on Rails Development Tips
Awesome Job
See All Jobs
Post a job for only $299
Thanks to our sponsor
Sponsored by #native_company# — Learn More
#native_title# #native_desc#
#native_cta#