Hi,
I have SQL table like this:

CREATE TABLE `events` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'Primary key.',
  `time_delta` time DEFAULT NULL COMMENT 'Relative time when event should be fired (e.g. 10 days before expiration).',
  `triggered` bit(1) NOT NULL DEFAULT b'0' COMMENT '',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

But when I try to fetch data from table selection, I get exception:

DateTime::__construct(): Failed to parse time string (-240:00:00) at position 4 (:): Unexpected character

I use time column like time interval but Nette try to store it like a DateTime object. I think DateInterval object is better representation of column of type time.

MySQL documentation says: "TIME values may range from '-838:59:59' to '838:59:59'. The hours part may be so large because the TIME type can be used not only to represent a time of day (which must be less than 24 hours), but also elapsed time or a time interval between two events (which may be much greater than 24 hours, or even negative)."