dicianno.org/blog » web http://dicianno.org/blog notes about computers and lifestyle Thu, 04 Feb 2010 21:09:05 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Rails and “legacy” DB’s http://dicianno.org/blog/2007/06/17/rails-and-legacy-dbs/ http://dicianno.org/blog/2007/06/17/rails-and-legacy-dbs/#comments Mon, 18 Jun 2007 05:18:51 +0000 armando http://www.dicianno.org/blog/2007/06/17/rails-and-legacy-dbs/ I’m importing a (so-called) “legacy” db, and was having some issues with creating associations because the primary key wasn’t named id. To fix this, simply use set_primary_key on the class, and then use foreign_key to create associations between classes as usual.

  1. class LegacyDatabaseTable < ActiveRecord::Base
  2.   set_primary_key :this_is_not_named_id
  3.   # …
  4. end
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