new-grid adapt2 revision

sails/roles/database/files/new-grid-system-adapt2.sql

--- Correccion de integridad por error en DEV, antes de cambiar los nombres
 SET FOREIGN_KEY_CHECKS = 0;
 SET FOREIGN_KEY_CHECKS = 0;
+
+-- Purgamos base de datos antes
 DELETE FROM stu_picto WHERE id_scene NOT IN (SELECT s.id FROM scene s);
 DELETE FROM stu_picto WHERE id_scene NOT IN (SELECT s.id FROM scene s);
-ALTER TABLE `stu_picto` ADD CONSTRAINT `stu_picto_scene_fk` FOREIGN KEY (`id_scene`) REFERENCES `scene` (`id`) ON DELETE CASCADE;
 
 
 -- ----------------------------------------------------------------------------
 -- ----------------------------------------------------------------------------
 -- CAMBIOS EN EL SCHEMA DE pictodb
 -- CAMBIOS EN EL SCHEMA DE pictodb
@@ -9,11 +9,11 @@ ALTER TABLE `stu_picto` ADD CONSTRAINT `stu_picto_scene_fk` FOREIGN KEY (`id_sce
 
 
 RENAME TABLE `scene` TO `grid`;
 RENAME TABLE `scene` TO `grid`;
 ALTER TABLE `student` CHANGE `id_active_scene` `id_active_grid` int(11) NULL;
 ALTER TABLE `student` CHANGE `id_active_scene` `id_active_grid` int(11) NULL;
-
 ALTER TABLE `stu_picto` ADD `id_grid` int(11) NOT NULL;
 ALTER TABLE `stu_picto` ADD `id_grid` int(11) NOT NULL;
 ALTER TABLE `stu_picto` ADD `id_child_grid` int(11) NULL;
 ALTER TABLE `stu_picto` ADD `id_child_grid` int(11) NULL;
 ALTER TABLE `stu_picto` DROP COLUMN `id_scene`;
 ALTER TABLE `stu_picto` DROP COLUMN `id_scene`;
-ALTER TABLE `stu_picto` ADD FOREIGN KEY(id_child_grid) REFERENCES grid(id) ON DELETE SET NULL;
+ALTER TABLE `stu_picto` ADD FOREIGN KEY(`id_child_grid`) REFERENCES `grid`(`id`) ON DELETE SET NULL;
+ALTER TABLE `stu_picto` ADD FOREIGN KEY(`id_grid`) REFERENCES `grid`(`id`) ON DELETE CASCADE;
 
 
 ALTER TABLE `grid` DROP COLUMN `categories`;
 ALTER TABLE `grid` DROP COLUMN `categories`;
 ALTER TABLE `grid` ADD `color` varchar(7) NULL;
 ALTER TABLE `grid` ADD `color` varchar(7) NULL;