Update 'README.md'

README.md

@@ -1,13 +1,13 @@
 ```sql
-WITH RECURSIVE parent (id, title, description, path) AS
+WITH RECURSIVE hierarcy (id, title, description, parent_id) AS
 (
-  SELECT id, title, description, title as path
+  SELECT id, title, description, parent_id
     FROM items
-    WHERE parent_id IS NULL
+    WHERE id = 38
   UNION ALL
-  SELECT items.id, items.title, items.description, CONCAT(parent.path, ' > ', items.title)
+  SELECT items.id, items.title, items.description, items.parent_id
-    FROM parent JOIN items
+    FROM hierarcy JOIN items
-      ON parent.id = items.parent_id
+      ON hierarcy.parent_id = items.id
 )
-SELECT * FROM parent WHERE id = 38;
+SELECT * FROM hierarcy;
 ```