- columns => [
- client_id => { type => 'integer', not_null => 1 },
- group_id => { type => 'integer', not_null => 1 },
- ],
+__PACKAGE__->meta->columns(
+ client_id => { type => 'integer', not_null => 1 },
+ group_id => { type => 'integer', not_null => 1 },
+);