class ChangeRawEmailToBinary < ActiveRecord::Migration
    def self.up
        change_column :raw_emails, :data, :text, :null => true # allow null
        rename_column :raw_emails, :data, :data_text
        add_column :raw_emails, :data_binary, :binary
    end

    def self.down
        raise "safer not to have reverse migration scripts, and we never use them"
    end
end