A much faster version of the usesguid plugin for Rails (uses MySQL to generate GUIDs)
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README.rdoc

Changes in this Fork

  • Converted to Gem ported by C. Jason Harrelson (midas)

DETAILS

This plugin for ActiveRecord makes the “ID” field into a URL-safe GUID It is a mashup by Andy Singleton <andy@assembla.com> that includes

  • the UUID class from Bob Aman.

  • the plugin skeleton from Demetrius Nunes

  • the 22 character URL-safe format from Andy Singleton

You can get standard 36 char UUID formats instead TODO: Auto-detect a character ID field and use a GUID in this case (DRY principle)

It has been extended by Brian Morearty with:

  • the addition of a mysql_create function (configurable with a guid_generator accessor) for much better performance

  • id assignment is now done before_create instead of after_initialize, to more closely mimic the default Rails behavior of assigning an id upon save.

This library is free software; you can redistribute it and/or modify it under the terms of the MIT license.

TO USE

sudo gem install usesguid

In Rails environment file:

config.gem "usesguid"

define ID as char(22) call “usesguid” in ActiveRecord class declaration, like:

class Mymodel < ActiveRecord::Base
  usesguid			
end

if your ID field is not called “ID”, call “usesguid :column =>'IdColumnName' ”

If you use MySQL as your database, you can make guid generation much faster by putting this in config/environment.rb:

ActiveRecord::Base.guid_generator = :mysql

TODO

  • Add tests