fixed upgrade.sql

sails/roles/database/files/upgrade.sql

@@ -15,7 +15,9 @@ ALTER TABLE student MODIFY gender CHAR(1) DEFAULT NULL;
 ALTER TABLE student MODIFY country CHAR(2) DEFAULT NULL;
 ALTER TABLE student MODIFY lang VARCHAR(5) DEFAULT NULL;
 
-ALTER TABLE license ADD type enum('trial', 'official') NOT NULL DEFAULT 'official';
+ALTER TABLE license ADD `type` enum('trial','official') NOT NULL DEFAULT 'official';
+
+DROP TABLE IF EXISTS `sup_off`;
 
 CREATE TABLE `sup_off` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -42,8 +44,8 @@ SET role = 'tutor'
 WHERE id_off IS NULL;
 
 UPDATE license
-SET type = 'official'
-WHERE type is not 'trial';
+SET `type` = 'official'
+WHERE `type` <> 'trial';
 
 DELIMITER $$
 DROP PROCEDURE IF EXISTS supervisor_adapt $$