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-- CopyRight(c) pgRouting developers
-- Creative Commons Attribution-Share Alike 3.0 License : https://creativecommons.org/licenses/by-sa/3.0/
/* -- q2 */
SELECT * FROM pgr_bdAstarCostMatrix(
'SELECT id, source, target, cost, reverse_cost, x1, y1, x2, y2 FROM edges',
(SELECT array_agg(id) FROM vertices WHERE id IN (5, 6, 10, 15)),
directed => false, heuristic => 2
);
/* -- q3 */
SELECT * FROM pgr_TSP(
$$
SELECT * FROM pgr_bdAstarCostMatrix(
'SELECT id, source, target, cost, reverse_cost, x1, y1, x2, y2 FROM edges',
(SELECT array_agg(id) FROM vertices WHERE id IN (5, 6, 10, 15)),
directed=> false, heuristic => 2
)
$$
);
/* -- q4 */
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