activerecord-lazy-attributes
An ActiveRecord extension which allows attributes to be lazy loaded
MIT License
= activerecord-lazy-attributes
This ActiveRecord extension allows to define attributes to be lazy-loaded. It's main purpose is to avoid loading large columns (such as BLOBs) with every SELECT.
== Installation
gem install activerecord-lazy-attributes
== Loading
To use it in a Rails application, add this line to your environment.rb (or similar):
config.gem 'activerecord-lazy-attributes', :lib => 'lazy_attributes'
Otherwise:
gem 'activerecord-lazy-attributes' require 'lazy_attributes'
== Example
class Image < ActiveRecord::Base attr_lazy :data end
i = Image.first # this selects all columns except "data" i.data # "data" column is selected separately
== Credit
This is based on {this refactoring request}[http://refactormycode.com/codes/219-activerecord-lazy-attribute-loading-plugin-for-rails] (the code here is the last contribution to this refactoring).
== Note on Patches/Pull Requests
- Fork the project.
- Make your feature addition or bug fix.
- Add tests for it. This is important so I don't break it in a
future version unintentionally. - Commit, do not mess with rakefile, version, or history.
(if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull) - Send me a pull request. Bonus points for topic branches.
== Copyright
Copyright (c) 2010 Moritz Heidkamp. See LICENSE for details.