ALTER TABLE node ADD COLUMN path ltree GENERATED ALWAYS AS (path(parent_path, node_id)) STORED;
CREATE INDEX file_path_gist_idx ON node USING GIST(path);
CREATE UNIQUE INDEX file_path_idx ON node USING btree(path);

ALTER TABLE node ADD COLUMN relative_path ltree GENERATED ALWAYS AS (path(parent_relative_path, node_id)) STORED;
CREATE INDEX file_rel_path_gist_idx ON node USING GIST(relative_path);