vendor/gems/composite_primary_keys-2.2.2/README.txt

   1 = Composite Primary Keys for ActiveRecords
   2
   3 == Summary
   4
   5 ActiveRecords/Rails famously doesn't support composite primary keys.
   6 This RubyGem extends the activerecord gem to provide CPK support.
   7
   8 == Installation
   9
  10     gem install composite_primary_keys
  11
  12 == Usage
  13
  14     require 'composite_primary_keys'
  15     class ProductVariation
  16       set_primary_keys :product_id, :variation_seq
  17     end
  18
  19     pv = ProductVariation.find(345, 12)
  20
  21 It even supports composite foreign keys for associations.
  22
  23 See http://compositekeys.rubyforge.org for more.
  24
  25 == Running Tests
  26
  27 See test/README.tests.txt
  28
  29 == Url
  30
  31 http://compositekeys.rubyforge.org
  32
  33 == Questions, Discussion and Contributions
  34
  35 http://groups.google.com/compositekeys
  36
  37 == Author
  38
  39 Written by Dr Nic Williams, drnicwilliams@gmail
  40 Contributions by many!
  41