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Fixed assertion error message.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 08 Oct 2013 17:29:47 +0100
parents cbb26bc654de
children
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class AllowNullVersionEffectiveDate < ActiveRecord::Migration
  def self.up
    change_column :versions, :effective_date, :date, :default => nil, :null => true
  end

  def self.down
    raise IrreversibleMigration
  end
end