BEGIN;
BEGIN
SET client_min_messages TO NOTICE;
SET
-- q1
SELECT * FROM pgr_articulationPoints(
    'SELECT id, source, target, cost, reverse_cost FROM edge_table'
);
 seq | node 
-----+------
   1 |    2
   2 |    5
   3 |    8
   4 |   10
(4 rows)

-- q2
SELECT * FROM pgr_articulationPoints(
    'SELECT id, source, target, cost, reverse_cost FROM edge_table'
);
 seq | node 
-----+------
   1 |    2
   2 |    5
   3 |    8
   4 |   10
(4 rows)

ROLLBACK;
ROLLBACK
