wip

sql/0002.sql

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+ALTER TABLE node ADD COLUMN updated TIMESTAMP NOT NULL DEFAULT NOW();
+
+CREATE OR REPLACE FUNCTION node_update_timestamp()
+RETURNS TRIGGER
+LANGUAGE PLPGSQL
+AS $$
+BEGIN
+	IF NEW.updated = OLD.updated THEN
+		UPDATE node SET updated = NOW() WHERE id=NEW.id;
+	END IF;
+	RETURN NEW;
+END;
+$$;
+
+CREATE OR REPLACE TRIGGER node_update AFTER UPDATE ON node
+FOR EACH ROW
+EXECUTE PROCEDURE node_update_timestamp()