USE billing;
CREATE TABLE `journals` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `type` enum('create','update','delete') NOT NULL DEFAULT 'create',
  `resource` varchar(64) NOT NULL,
  `resource_id` int(11) unsigned NOT NULL,
  `timestamp` decimal(13,3) NOT NULL,
  `content` longblob,
  PRIMARY KEY (`id`),
  KEY `res_idx` (`resource`,`resource_id`),
  KEY `ts_idx` (`timestamp`),
  KEY `type_idx` (`type`)
) ENGINE=InnoDB;