def validates_lengths_from_database(options = {})
options.symbolize_keys!
options[:only] = Array[options[:only]] if options[:only] && !options[:only].is_a?(Array)
options[:except] = Array[options[:except]] if options[:except] && !options[:except].is_a?(Array)
options[:limit] ||= {}
if options[:limit] and !options[:limit].is_a?(Hash)
options[:limit] = {:string => options[:limit], :text => options[:limit]}
end
@@validate_lengths_from_database_options = options
validate :validate_lengths_from_database
nil
end