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Close obsolete branch bibplugin_cache
author Chris Cannam
date Thu, 22 Nov 2012 15:09:58 +0000
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