working on adapt

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

@@ -4,22 +4,37 @@ 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;
 ALTER TABLE `stu_picto` ADD CONSTRAINT `stu_picto_scene_fk` FOREIGN KEY (`id_scene`) REFERENCES `scene` (`id`) ON DELETE CASCADE;
 SET FOREIGN_KEY_CHECKS = 1;
 SET FOREIGN_KEY_CHECKS = 1;
 
 
--- Rename columns
-RENAME TABLE `scene` TO `grid`;
-ALTER TABLE `stu_picto` CHANGE `id_scene` `id_grid` int(11) NOT NULL;
-ALTER TABLE `student` CHANGE `id_active_scene` `id_active_grid` int(11) NULL;
+-- CAMBIOS EN EL SCHEMA DE pictodb
+  -- Renombrado de tabla y columnas
+  RENAME TABLE `scene` TO `grid`;
+  ALTER TABLE `stu_picto` CHANGE `id_scene` `id_grid` int(11) NOT NULL;
+  ALTER TABLE `student` CHANGE `id_active_scene` `id_active_grid` int(11) NULL;
+  -- Nueva columna 'id_child_grid'
+  ALTER TABLE `stu_picto` ADD `id_child_grid` int(11) NULL;
+  -- Elimina columna categorias 'categories'
+  ALTER TABLE `grid` DROP COLUMN `categories`;
+  -- Color del grid pasa a ser una columna
+  ALTER TABLE `grid` ADD `color` varchar(7) NULL;
+  -- Foreign key stu_picto(id_child_grid) <- grid(id)
+  ALTER TABLE stu_picto ADD FOREIGN KEY(id_child_grid) REFERENCES grid(id) ON DELETE SET NULL;
 
 
--- Add new column 'id_child_grid'
-ALTER TABLE `stu_picto` ADD `id_child_grid` int(11) NULL;
+-- ESCENAS CON CATEGORIAS
+  -- Pictos principales: creamos escenas para cada uno de ellos, evitando los de la primera columna
+  UPDATE stu_picto
+  SET id_child_grid = id
+  WHERE attributes->>"$.id_cat" = 'null' AND attributes->>"$.coord_x" > 0;
+
+  INSERT INTO grid(SELECT ¿NAME?, id_child_grid FROM stu_picto WHERE id_child_grid IS NOT NULL);
 
 
--- Drop column 'categories'
-ALTER TABLE `grid` DROP COLUMN `categories`;
+  UPDATE stu_picto AS A
+  JOIN stu_picto AS B on
+  A.id_scene = B.id_scene AND
+  A.id_stu = B.id_stu AND
+  A.id_cat = B.id_pic
+  SET A.id_grid = B.id_child_grid;
 
 
--- Add color to grid column
-ALTER TABLE `grid` ADD `color` varchar(7) NULL;
+  -- Pictos hijos: los asociamos a su escena correspondiente
 
 
--- Foreign key stu_picto(id_child_grid) <- grid(id)
-ALTER TABLE stu_picto ADD FOREIGN KEY(id_child_grid) REFERENCES grid(id) ON DELETE SET NULL;
 
 
 
 
 -- ESCENAS SIN CATEGORIAS
 -- ESCENAS SIN CATEGORIAS
@@ -31,19 +46,6 @@ ALTER TABLE stu_picto ADD FOREIGN KEY(id_child_grid) REFERENCES grid(id) ON DELE
   WHERE attributes->>"$.free_category_coord_x" != 'null' AND attributes->>"$.free_category_coord_y" != 'null';
   WHERE attributes->>"$.free_category_coord_x" != 'null' AND attributes->>"$.free_category_coord_y" != 'null';
 
 
 
 
--- ESCENAS CON CATEGORIAS
-  -- Pictos principales de las escenas con categorias, sólo limpia su JSON
-  UPDATE stu_picto
-  SET
-    `attributes` = JSON_REMOVE(`attributes`, '$.free_category_coord_x'),
-    `attributes` = JSON_REMOVE(`attributes`, '$.free_category_coord_y'),
-    `attributes` = JSON_REMOVE(`attributes`, '$.id_cat')
-  WHERE attributes->>"$.coord_x" != 'null' AND attributes->>"$.coord_y" != 'null' AND attributes->>"$.id_cat" = 'null';
-
-  -- Pictos hijos de las escenas
-  DELETE FROM stu_picto WHERE attributes->>"$.id_cat" != 'null';
-
-
 -- LIMPIA EL JSON DE TODOS LOS PICTOGRAMAS
 -- LIMPIA EL JSON DE TODOS LOS PICTOGRAMAS
   UPDATE stu_picto
   UPDATE stu_picto
   SET
   SET