RedundantColumn

Auto maintain the consistency of redundant column.

1. Auto update redundant column.
2. Auto fill redundant column value from redundant target object.

Installation

Add this line to your application's Gemfile:

gem 'redundant_column'

And then execute:

$ bundle

Or install it yourself as:

$ gem install redundant_column

Usage

class User < ActiveRecord::Base
  has_many :topics, :redundant_column => {:status => :user_status}
end

class Topic < ActiveRecord::Base
  belongs_to :user, :redundant_column => {:user_status => :status}
end

user = User.create(:name => "Hooopo", :status => "active")

topic = Topic.create(:user => user, :title => "this is title")

assert_equal topic.user_status, user.status

user.status = "disable"
user.save

topic.reload

assert_equal topic.user_status, user.status

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request