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|
BEGIN;
BEGIN
SET client_min_messages TO NOTICE;
SET
/* :file: This file is part of the pgRouting project.
:copyright: Copyright (c) 2016-2026 pgRouting developers
:license: Creative Commons Attribution-Share Alike 3.0 https://creativecommons.org/licenses/by-sa/3.0 */
/* -- q1 */
SELECT * FROM pgr_edgeDisjointPaths(
'SELECT id, source, target, cost, reverse_cost
FROM edges',
11, 12);
seq | path_id | path_seq | start_vid | end_vid | node | edge | cost | agg_cost
-----+---------+----------+-----------+---------+------+------+------+----------
1 | 1 | 1 | 11 | 12 | 11 | 8 | 1 | 0
2 | 1 | 2 | 11 | 12 | 7 | 10 | 1 | 1
3 | 1 | 3 | 11 | 12 | 8 | 12 | 1 | 2
4 | 1 | 4 | 11 | 12 | 12 | -1 | 0 | 3
5 | 2 | 1 | 11 | 12 | 11 | 11 | 1 | 0
6 | 2 | 2 | 11 | 12 | 12 | -1 | 0 | 1
(6 rows)
/* -- q2 */
SELECT * FROM pgr_edgeDisjointPaths(
'SELECT id, source, target, cost, reverse_cost
FROM edges',
11, ARRAY[5, 10, 12]);
seq | path_id | path_seq | start_vid | end_vid | node | edge | cost | agg_cost
-----+---------+----------+-----------+---------+------+------+------+----------
1 | 1 | 1 | 11 | 5 | 11 | 8 | 1 | 0
2 | 1 | 2 | 11 | 5 | 7 | 4 | 1 | 1
3 | 1 | 3 | 11 | 5 | 6 | 1 | 1 | 2
4 | 1 | 4 | 11 | 5 | 5 | -1 | 0 | 3
5 | 2 | 1 | 11 | 10 | 11 | 9 | 1 | 0
6 | 2 | 2 | 11 | 10 | 16 | 16 | 1 | 1
7 | 2 | 3 | 11 | 10 | 15 | 3 | 1 | 2
8 | 2 | 4 | 11 | 10 | 10 | -1 | 0 | 3
9 | 3 | 1 | 11 | 12 | 11 | 8 | 1 | 0
10 | 3 | 2 | 11 | 12 | 7 | 10 | 1 | 1
11 | 3 | 3 | 11 | 12 | 8 | 12 | 1 | 2
12 | 3 | 4 | 11 | 12 | 12 | -1 | 0 | 3
13 | 4 | 1 | 11 | 12 | 11 | 11 | 1 | 0
14 | 4 | 2 | 11 | 12 | 12 | -1 | 0 | 1
(14 rows)
/* -- q3 */
SELECT * FROM pgr_edgeDisjointPaths(
'SELECT id, source, target, cost, reverse_cost
FROM edges',
ARRAY[11, 3, 17], 12);
seq | path_id | path_seq | start_vid | end_vid | node | edge | cost | agg_cost
-----+---------+----------+-----------+---------+------+------+------+----------
1 | 1 | 1 | 12 | 3 | 3 | 7 | 1 | 0
2 | 1 | 2 | 12 | 3 | 7 | 8 | 1 | 1
3 | 1 | 3 | 12 | 3 | 11 | 11 | 1 | 2
4 | 1 | 4 | 12 | 3 | 12 | -1 | 0 | 3
5 | 2 | 1 | 12 | 11 | 11 | 8 | 1 | 0
6 | 2 | 2 | 12 | 11 | 7 | 10 | 1 | 1
7 | 2 | 3 | 12 | 11 | 8 | 12 | 1 | 2
8 | 2 | 4 | 12 | 11 | 12 | -1 | 0 | 3
9 | 3 | 1 | 12 | 11 | 11 | 11 | 1 | 0
10 | 3 | 2 | 12 | 11 | 12 | -1 | 0 | 1
11 | 4 | 1 | 12 | 17 | 17 | 15 | 1 | 0
12 | 4 | 2 | 12 | 17 | 16 | 9 | 1 | 1
13 | 4 | 3 | 12 | 17 | 11 | 11 | 1 | 2
14 | 4 | 4 | 12 | 17 | 12 | -1 | 0 | 3
(14 rows)
/* -- q4 */
SELECT * FROM pgr_edgeDisjointPaths(
'SELECT id, source, target, cost, reverse_cost
FROM edges',
ARRAY[11, 3, 17], ARRAY[5, 10, 12]);
seq | path_id | path_seq | start_vid | end_vid | node | edge | cost | agg_cost
-----+---------+----------+-----------+---------+------+------+------+----------
1 | 1 | 1 | 3 | 5 | 3 | 7 | 1 | 0
2 | 1 | 2 | 3 | 5 | 7 | 4 | 1 | 1
3 | 1 | 3 | 3 | 5 | 6 | 1 | 1 | 2
4 | 1 | 4 | 3 | 5 | 5 | -1 | 0 | 3
5 | 2 | 1 | 3 | 10 | 3 | 7 | 1 | 0
6 | 2 | 2 | 3 | 10 | 7 | 8 | 1 | 1
7 | 2 | 3 | 3 | 10 | 11 | 9 | 1 | 2
8 | 2 | 4 | 3 | 10 | 16 | 16 | 1 | 3
9 | 2 | 5 | 3 | 10 | 15 | 3 | 1 | 4
10 | 2 | 6 | 3 | 10 | 10 | -1 | 0 | 5
11 | 3 | 1 | 3 | 12 | 3 | 7 | 1 | 0
12 | 3 | 2 | 3 | 12 | 7 | 8 | 1 | 1
13 | 3 | 3 | 3 | 12 | 11 | 11 | 1 | 2
14 | 3 | 4 | 3 | 12 | 12 | -1 | 0 | 3
15 | 4 | 1 | 11 | 5 | 11 | 8 | 1 | 0
16 | 4 | 2 | 11 | 5 | 7 | 4 | 1 | 1
17 | 4 | 3 | 11 | 5 | 6 | 1 | 1 | 2
18 | 4 | 4 | 11 | 5 | 5 | -1 | 0 | 3
19 | 5 | 1 | 11 | 10 | 11 | 9 | 1 | 0
20 | 5 | 2 | 11 | 10 | 16 | 16 | 1 | 1
21 | 5 | 3 | 11 | 10 | 15 | 3 | 1 | 2
22 | 5 | 4 | 11 | 10 | 10 | -1 | 0 | 3
23 | 6 | 1 | 11 | 12 | 11 | 8 | 1 | 0
24 | 6 | 2 | 11 | 12 | 7 | 10 | 1 | 1
25 | 6 | 3 | 11 | 12 | 8 | 12 | 1 | 2
26 | 6 | 4 | 11 | 12 | 12 | -1 | 0 | 3
27 | 7 | 1 | 11 | 12 | 11 | 11 | 1 | 0
28 | 7 | 2 | 11 | 12 | 12 | -1 | 0 | 1
29 | 8 | 1 | 17 | 5 | 17 | 15 | 1 | 0
30 | 8 | 2 | 17 | 5 | 16 | 16 | 1 | 1
31 | 8 | 3 | 17 | 5 | 15 | 3 | 1 | 2
32 | 8 | 4 | 17 | 5 | 10 | 2 | 1 | 3
33 | 8 | 5 | 17 | 5 | 6 | 1 | 1 | 4
34 | 8 | 6 | 17 | 5 | 5 | -1 | 0 | 5
35 | 9 | 1 | 17 | 10 | 17 | 15 | 1 | 0
36 | 9 | 2 | 17 | 10 | 16 | 16 | 1 | 1
37 | 9 | 3 | 17 | 10 | 15 | 3 | 1 | 2
38 | 9 | 4 | 17 | 10 | 10 | -1 | 0 | 3
39 | 10 | 1 | 17 | 12 | 17 | 15 | 1 | 0
40 | 10 | 2 | 17 | 12 | 16 | 9 | 1 | 1
41 | 10 | 3 | 17 | 12 | 11 | 11 | 1 | 2
42 | 10 | 4 | 17 | 12 | 12 | -1 | 0 | 3
(42 rows)
/* -- q5 */
SELECT source, target FROM combinations
WHERE target NOT IN (5, 6);
source | target
--------+--------
5 | 10
6 | 15
6 | 14
(3 rows)
/* -- q51 */
SELECT * FROM pgr_edgeDisjointPaths(
'SELECT id, source, target, cost, reverse_cost
FROM edges',
'SELECT * FROM combinations WHERE target NOT IN (5, 6)',
directed => false);
seq | path_id | path_seq | start_vid | end_vid | node | edge | cost | agg_cost
-----+---------+----------+-----------+---------+------+------+------+----------
1 | 1 | 1 | 5 | 10 | 5 | 1 | 1 | 0
2 | 1 | 2 | 5 | 10 | 6 | 2 | -1 | 1
3 | 1 | 3 | 5 | 10 | 10 | -1 | 0 | 0
4 | 2 | 1 | 6 | 15 | 6 | 4 | 1 | 0
5 | 2 | 2 | 6 | 15 | 7 | 8 | 1 | 1
6 | 2 | 3 | 6 | 15 | 11 | 9 | 1 | 2
7 | 2 | 4 | 6 | 15 | 16 | 16 | 1 | 3
8 | 2 | 5 | 6 | 15 | 15 | -1 | 0 | 4
9 | 3 | 1 | 6 | 15 | 6 | 2 | -1 | 0
10 | 3 | 2 | 6 | 15 | 10 | 3 | -1 | -1
11 | 3 | 3 | 6 | 15 | 15 | -1 | 0 | -2
(11 rows)
/* -- q6 */
SELECT * FROM pgr_edgeDisjointPaths(
'SELECT id, source, target, cost, reverse_cost
FROM edges',
'SELECT * FROM (VALUES (5, 10), (6, 15), (6, 14)) AS t(source, target)',
directed => false);
seq | path_id | path_seq | start_vid | end_vid | node | edge | cost | agg_cost
-----+---------+----------+-----------+---------+------+------+------+----------
1 | 1 | 1 | 5 | 10 | 5 | 1 | 1 | 0
2 | 1 | 2 | 5 | 10 | 6 | 2 | -1 | 1
3 | 1 | 3 | 5 | 10 | 10 | -1 | 0 | 0
4 | 2 | 1 | 6 | 15 | 6 | 4 | 1 | 0
5 | 2 | 2 | 6 | 15 | 7 | 8 | 1 | 1
6 | 2 | 3 | 6 | 15 | 11 | 9 | 1 | 2
7 | 2 | 4 | 6 | 15 | 16 | 16 | 1 | 3
8 | 2 | 5 | 6 | 15 | 15 | -1 | 0 | 4
9 | 3 | 1 | 6 | 15 | 6 | 2 | -1 | 0
10 | 3 | 2 | 6 | 15 | 10 | 3 | -1 | -1
11 | 3 | 3 | 6 | 15 | 15 | -1 | 0 | -2
(11 rows)
/* -- q7 */
ROLLBACK;
ROLLBACK
|
