m2ym · January 5, 2015 02:06
diff --git a/slow_recursive_query.sql b/slow_recursive_query.sql
 WITH RECURSIVE t AS (
  SELECT source, target FROM edge
  UNION
  SELECT e.source, t.target FROM edge e INNER JOIN t ON e.target = t.source
 )
 SELECT target FROM t WHERE source = 123
	WITH RECURSIVE t AS (
	SELECT source, target FROM edge
	UNION
	SELECT e.source, t.target FROM edge e INNER JOIN t ON e.target = t.source
	)
	SELECT target FROM t WHERE source = 123