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BEGIN;
BEGIN
SET client_min_messages TO NOTICE;
SET
/* -- q1 */
SELECT * FROM pgr_primDFS(
'SELECT id, source, target, cost, reverse_cost FROM edges ORDER BY id',
6);
seq | depth | start_vid | pred | node | edge | cost | agg_cost
-----+-------+-----------+------+------+------+------+----------
1 | 0 | 6 | 6 | 6 | -1 | 0 | 0
2 | 1 | 6 | 6 | 5 | 1 | 1 | 1
3 | 1 | 6 | 6 | 10 | 2 | 1 | 1
4 | 2 | 6 | 10 | 15 | 3 | 1 | 2
5 | 2 | 6 | 10 | 11 | 5 | 1 | 2
6 | 3 | 6 | 11 | 16 | 9 | 1 | 3
7 | 3 | 6 | 11 | 12 | 11 | 1 | 3
8 | 4 | 6 | 12 | 17 | 13 | 1 | 4
9 | 1 | 6 | 6 | 7 | 4 | 1 | 1
10 | 2 | 6 | 7 | 3 | 7 | 1 | 2
11 | 3 | 6 | 3 | 1 | 6 | 1 | 3
12 | 2 | 6 | 7 | 8 | 10 | 1 | 2
13 | 3 | 6 | 8 | 9 | 14 | 1 | 3
(13 rows)
/* -- q2 */
SELECT * FROM pgr_primDFS(
'SELECT id, source, target, cost, reverse_cost FROM edges ORDER BY id',
ARRAY[9, 6], max_depth => 3);
seq | depth | start_vid | pred | node | edge | cost | agg_cost
-----+-------+-----------+------+------+------+------+----------
1 | 0 | 6 | 6 | 6 | -1 | 0 | 0
2 | 1 | 6 | 6 | 5 | 1 | 1 | 1
3 | 1 | 6 | 6 | 10 | 2 | 1 | 1
4 | 2 | 6 | 10 | 15 | 3 | 1 | 2
5 | 2 | 6 | 10 | 11 | 5 | 1 | 2
6 | 3 | 6 | 11 | 16 | 9 | 1 | 3
7 | 3 | 6 | 11 | 12 | 11 | 1 | 3
8 | 1 | 6 | 6 | 7 | 4 | 1 | 1
9 | 2 | 6 | 7 | 3 | 7 | 1 | 2
10 | 3 | 6 | 3 | 1 | 6 | 1 | 3
11 | 2 | 6 | 7 | 8 | 10 | 1 | 2
12 | 3 | 6 | 8 | 9 | 14 | 1 | 3
13 | 0 | 9 | 9 | 9 | -1 | 0 | 0
14 | 1 | 9 | 9 | 8 | 14 | 1 | 1
15 | 2 | 9 | 8 | 7 | 10 | 1 | 2
16 | 3 | 9 | 7 | 6 | 4 | 1 | 3
17 | 3 | 9 | 7 | 3 | 7 | 1 | 3
(17 rows)
/* -- q3 */
ROLLBACK;
ROLLBACK
|
