pictodb-schema revision

sails/roles/database/files/pictodb-schema.sql

@@ -269,6 +269,7 @@ CREATE TABLE `grid` (
   `active` tinyint(1) NOT NULL DEFAULT '0',
   `id_sup` int(11) DEFAULT NULL,
   `id_stu` int(11) NOT NULL,
+  `color` varchar(7) COLLATE utf8_unicode_ci DEFAULT NULL,
   PRIMARY KEY (`id`),
   KEY `id_sup` (`id_sup`),
   KEY `id_stu` (`id_stu`),
@@ -328,8 +329,10 @@ CREATE TABLE `stu_picto` (
   KEY `fk_picto` (`id_pic`),
   KEY `id_stu` (`id_stu`),
   KEY `stu_picto_grid_fk` (`id_grid`),
+  KEY `id_child_grid` (`id_child_grid`),
   CONSTRAINT `fk_picto` FOREIGN KEY (`id_pic`) REFERENCES `picto` (`id`),
   CONSTRAINT `stu_picto_ibfk_1` FOREIGN KEY (`id_stu`) REFERENCES `student` (`id`),
+  CONSTRAINT `stu_picto_ibfk_2` FOREIGN KEY (`id_child_grid`) REFERENCES `grid` (`id`) ON DELETE SET NULL,
   CONSTRAINT `stu_picto_grid_fk` FOREIGN KEY (`id_grid`) REFERENCES `grid` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB AUTO_INCREMENT=7010 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='This table relates a student with the pictos in her vocabulary';