CREATE TABLE `version_history` (
  `latch` varchar(32) DEFAULT NULL,
  `origid` bigint(20) unsigned DEFAULT NULL,
  `destid` bigint(20) unsigned DEFAULT NULL,
  `weight` double DEFAULT NULL,
  `seq` bigint(20) unsigned DEFAULT NULL,
  `linkid` bigint(20) unsigned DEFAULT NULL,
  KEY `latch` (`latch`,`origid`,`destid`) USING HASH,
  KEY `latch_2` (`latch`,`destid`,`origid`) USING HASH
) ENGINE=OQGRAPH DEFAULT CHARSET=latin1 `data_table`='db_history' `origid`='prevNodeID' `destid`='nodeID'