Extension:CampaignEvents/ce event address table

mysql> describe ce_event_address;
+--------------+---------------------+------+-----+---------+----------------+
| Field        | Type                | Null | Key | Default | Extra          |
+--------------+---------------------+------+-----+---------+----------------+
| ceea_id      | bigint(20) unsigned | NO   | PRI | NULL    | auto_increment |
| ceea_event   | bigint(20) unsigned | NO   | MUL | NULL    |                |
| ceea_address | bigint(20) unsigned | NO   |     | NULL    |                |
+--------------+---------------------+------+-----+---------+----------------+