Commit e5264ede authored May 28, 2021 by Sonia Zorba

Added constraint to avoid orphan nodes

parent 7e36e068

01-paths-indexes.sql

+1 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@ ALTER TABLE node ADD COLUMN relative_path ltree GENERATED ALWAYS AS (path(parent
		CREATE INDEX file_rel_path_gist_idx ON node USING GIST(relative_path);

		ALTER TABLE node ADD CONSTRAINT unique_path UNIQUE (parent_path, name);
		ALTER TABLE node ADD CONSTRAINT fk_parent_path FOREIGN KEY (parent_path) REFERENCES node(path);

		-- Create root node
		INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, is_public) VALUES (NULL, NULL, '', 'container', '0', true);

dump_and_restore/path-indexes.sql

+2 −0

Original line number	Diff line number	Diff line
		@@ -4,3 +4,5 @@ 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);

		ALTER TABLE node ADD CONSTRAINT fk_parent_path FOREIGN KEY (parent_path) REFERENCES node(path);