view db/migrate/048_allow_null_version_effective_date.rb @ 411:e7ba81c8dc5a feature_113

Add the MATLAB doc extractor to the general doc extraction script
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Thu, 28 Apr 2011 13:29:15 +0100
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