Extension:CampaignEvents/ce organizers table

mysql> describe ce_organizers;
+-------------------------+---------------------+------+-----+---------+----------------+
| Field                   | Type                | Null | Key | Default | Extra          |
+-------------------------+---------------------+------+-----+---------+----------------+
| ceo_id                  | bigint(20) unsigned | NO   | PRI | NULL    | auto_increment |
| ceo_event_id            | bigint(20) unsigned | NO   | MUL | NULL    |                |
| ceo_user_id             | int(10) unsigned    | NO   | MUL | NULL    |                |
| ceo_roles               | bigint(20) unsigned | NO   |     | NULL    |                |
| ceo_created_at          | binary(14)          | NO   |     | NULL    |                |
| ceo_deleted_at          | binary(14)          | YES  |     | NULL    |                |
| ceo_agreement_timestamp | binary(14)          | YES  |     | NULL    |                |
+-------------------------+---------------------+------+-----+---------+----------------+