`created` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
`received` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
`global` boolean NOT NULL DEFAULT '0' COMMENT '',
- `aid` int unsigned NOT NULL DEFAULT 0 COMMENT '',
`uid` mediumint unsigned NOT NULL DEFAULT 0 COMMENT 'User id',
PRIMARY KEY(`tid`),
INDEX `oid_otype_type_term` (`oid`,`otype`,`type`,`term`(32)),