gsql CREATE QUERY shortestPath(VERTEX<src> FROM :start TO :end) FOR GRAPH MyGraph { SetAccum<EDGE> @@path = {start}; SetAccum<VERTEX> @@visited = {start}; while @@path.size() > 0 DO StartAccum<EDGE> @@nextPath = SELECT s FROM @@path:1-(e)-:s WHERE s NOT IN @@visited; @@path += @@nextPath; @@visited += @@nextPath.s; IF @@nextPath.s == :end THEN PRINT @@nextPath; END; END; }