`deny_gid` mediumtext COMMENT 'Access Control - list of denied groups',
`backend-class` tinytext COMMENT 'Storage backend class',
`backend-ref` text COMMENT 'Storage backend data reference',
+ `updated` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'edited timestamp',
PRIMARY KEY(`id`),
INDEX `contactid` (`contact-id`),
INDEX `uid_contactid` (`uid`,`contact-id`),