1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
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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) 2013-2026 pgRouting developers
:license: Creative Commons Attribution-Share Alike 3.0 https://creativecommons.org/licenses/by-sa/3.0 */
/* -- q1 */
SELECT * FROM pgr_sequentialVertexColoring(
'SELECT id, source, target, cost, reverse_cost FROM edges
ORDER BY id'
);
node | color
------+-------
1 | 1
2 | 1
3 | 2
4 | 2
5 | 1
6 | 2
7 | 1
8 | 2
9 | 1
10 | 1
11 | 2
12 | 1
13 | 1
14 | 2
15 | 2
16 | 1
17 | 2
(17 rows)
/* -- q2 */
ROLLBACK;
ROLLBACK
|