Project

database_cached_attribute

0.0
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Provides simple methods on an ActiveRecord model using an ActiveRecord concern to invalidate/save single_column caches.
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 Popularity
Downloads
3,875
Stars
1
Forks
0
Watchers
2
 Releases
Current version
0.1.0
Total releases
1
First release
2013-12-04
Latest release
2013-12-04
 Development
Primary Language
Ruby
Licenses
MIT
Average date of last 50 commits
2013-12-04
Reverse Dependencies
0

 Dependencies

Development

rake
>= 0
rspec
>= 0
sqlite3
>= 0
temping
>= 0

Runtime

activerecord
>= 3.1
activesupport
>= 3.1
rails
~> 4.0.0
 Project Readme

DatabaseCachedAttribute

Code Climate Build Status Gem Version

Description

Ruby gem that adds simple functions to invalidate single columns as a cache on an ActiveRecord models.

Using DatabaseCachedAttribute

DatabaseCachedAttribute is an ActiveSupport Concern and creates 1 set of helpers on inclusion and another on a different usage.

 gem install database_cached_attribute

class YourFunClass < ActiveRecord::Base
  include DatabaseCachedAttribute
  
  database_cached_attribute :your_column
end

That will create a few functions for your model such as:

your_obj = YourFunClass.new
your_obj.invalidate_your_column #invalidates and persists the change to the db if appropriate
your_obj.cache_your_column      #attempts to save your cache change to the db if appropriate
your_obj.only_your_column_changed? #tells you if your objects only change is that column

These helpers let you do nice things in your model like:

class YourFunClass < ActiveRecord::Base
  include DatabaseCachedAttribute
  database_cached_attribute :your_column

  has_many :other_things, before_add: :invalidate_your_column
end