'user_id'=>['type'=>'int','not null'=>true,'description'=>'link to user on this system, if exists'],
'foreign_id'=>['type'=>'int','size'=>'big','unsigned'=>true,'not null'=>true,'description'=>'link to user on foreign service, if exists'],
'service'=>['type'=>'int','not null'=>true,'description'=>'foreign key to service'],
'credentials'=>['type'=>'varchar','length'=>191,'description'=>'authc credentials, typically a password'],
'noticesync'=>['type'=>'int','size'=>'tiny','not null'=>true,'default'=>1,'description'=>'notice synchronization, bit 1 = sync outgoing, bit 2 = sync incoming, bit 3 = filter local replies'],
'friendsync'=>['type'=>'int','size'=>'tiny','not null'=>true,'default'=>2,'description'=>'friend synchronization, bit 1 = sync outgoing, bit 2 = sync incoming'],
'profilesync'=>['type'=>'int','size'=>'tiny','not null'=>true,'default'=>1,'description'=>'profile synchronization, bit 1 = sync outgoing, bit 2 = sync incoming'],
'last_noticesync'=>['type'=>'datetime','description'=>'last time notices were imported'],
'last_friendsync'=>['type'=>'datetime','description'=>'last time friends were imported'],
'created'=>['type'=>'datetime','not null'=>true,'default'=>'0000-00-00 00:00:00','description'=>'date this record was created'],
'modified'=>['type'=>'datetime','not null'=>true,'default'=>'CURRENT_TIMESTAMP','description'=>'date this record was modified'],