code varchar(32) not null primary key /* comment 'good random code' */,\r
user_id integer not null /* comment 'user who requested confirmation' */ references "user" (id),\r
address varchar(255) not null /* comment 'address (email, Jabber, SMS, etc.)' */,\r
- address_extra varchar(255) not null /* comment 'carrier ID, for SMS' */,\r
+ address_extra varchar(255) not null default '' /* comment 'carrier ID, for SMS' */,\r
address_type varchar(8) not null /* comment 'address type ("email", "jabber", "sms")' */,\r
claimed timestamp /* comment 'date this was claimed for queueing' */,\r
sent timestamp /* comment 'date this was sent for queueing' */,\r