--- trunk/lib/SQLSession/Model/Role.pm	2007/02/17 00:24:08	105
+++ trunk/lib/SQLSession/Model/Role.pm	2007/03/15 12:43:55	106
@@ -10,14 +10,14 @@
 
 	column user_id =>
 		refers_to SQLSession::Model::User by 'id',
-		is mandatory,
+		is not_null,
 		is indexed;
 
 	column role =>
 		type is 'text',
 		valid are qw/student edit admin/,
 		default is 'student',
-		is mandatory,
+		is not_null,
 		is indexed;
 
 };