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ignorable
Ignore columns in ActiveRecord
Installation
Add this to your Gemfile:
gem 'ignorable'
Usage
class Topic < ActiveRecord::Base
ignore_columns :attributes, :class, :meta_column_used_by_another_app
end
Rails Versions
Tested on Rails 3.2, Rails 4.1.0.
This gem is not needed on Rails 5.0 because an ignored_columns feature has
been merged in rails/rails#21720