| uri | | varchar(255) | NO | MUL | | |
| uid | user.id which owns this copy of the item | int(10) unsigned | NO | MUL | 0 | |
| contact-id | contact.id | int(11) | NO | MUL | 0 | |
+| gcontact-id | ID of the global contact | int(11) | NO | MUL | 0 | |
| type | | varchar(255) | NO | | | |
| wall | This item was posted to the wall of uid | tinyint(1) | NO | MUL | 0 | |
| gravity | | tinyint(1) | NO | | 0 | |