# File lib/merb-cache/cache-store/database-datamapper.rb, line 39
    def self.cache_set(key, data, expire = nil, get = true)
      attributes = {:ckey => key, :data => data,
        :expire => expire.nil? ? nil : expire.to_s_db }
      if get
        entry = self.first(key)
        entry.nil? ? self.create(attributes) : entry.update_attributes(attributes)
      else
        self.create(attributes)
      end
      true
    end