= Composite Primary Keys for ActiveRecords

== Summary

ActiveRecords/Rails famously doesn't support composite primary keys.
This RubyGem extends the activerecord gem to provide CPK support.

== Installation

gem install composite_primary_keys

== Usage

require 'composite_primary_keys'
class ProductVariation
set_primary_keys :product_id, :variation_seq
end

pv = ProductVariation.find(345, 12)

It even supports composite foreign keys for associations.

See http://compositekeys.rubyforge.org for more.

== Running Tests

See test/README.tests.txt

== Url

http://compositekeys.rubyforge.org

== Questions, Discussion and Contributions

http://groups.google.com/group/compositekeys

== Author

Written by Dr Nic Williams, drnicwilliams@gmail.
Contributions by many!