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view db/migrate/048_allow_null_version_effective_date.rb @ 790:dc15818e132e feature_14

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Apply same change as in 863f447c4d88 on cannam branch
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Fri, 18 Nov 2011 17:12:59 +0000
parents 513646585e45
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