b_plus_grabar_nodo(idx, new_root, 0);
b_plus_split_child(idx, 0, new_root, 0, raiz);
b_plus_insert_nonfull(idx, new_root, 0, query);
b_plus_grabar_nodo(idx, new_root, 0);
b_plus_split_child(idx, 0, new_root, 0, raiz);
b_plus_insert_nonfull(idx, new_root, 0, query);