File: inner_query.pg

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/* :file: This file is part of the pgRouting project.
:copyright: Copyright (c) 2025-2026 pgRouting developers
:license: Creative Commons Attribution-Share Alike 3.0 https://creativecommons.org/licenses/by-sa/3.0 */

BEGIN;

UPDATE edges SET cost = sign(cost), reverse_cost = sign(reverse_cost);
SELECT CASE WHEN min_version('3.8.0') THEN plan(115) ELSE plan(1) END;

CREATE OR REPLACE FUNCTION inner_query()
RETURNS SETOF TEXT AS
$BODY$
BEGIN

  IF NOT min_version('3.8.0') THEN
    RETURN QUERY SELECT skip(1, 'pgr_contractionLinear new function on 3.8.0');
    RETURN;
  END IF;

  RETURN QUERY SELECT style_dijkstra('pgr_contractionLinear(', ', true)');
  RETURN QUERY SELECT style_dijkstra('pgr_contractionLinear(', ', false)');

  RETURN QUERY SELECT throws_ok(
    $$SELECT * FROM pgr_contractionLinear(
      'SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ [2,3,4,5], [4,5,6,7] ]::integer[][])$$,
   'XX000', 'One dimension expected', 'Throws because forbidden is 2 dimensions');

  RETURN QUERY SELECT lives_ok(
    $$SELECT * FROM pgr_contractionLinear(
      'SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ 2 ])$$,
    'Lives when forbidden is not described');

  RETURN QUERY SELECT lives_ok(
    $$SELECT * FROM pgr_contractionLinear('SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ 12341234567890123 ])$$,
    'Lives when forbidden is not described and its big');

  RETURN QUERY SELECT lives_ok(
    $$SELECT * FROM pgr_contractionLinear(
      'SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ 2 ]::integer[])$$,
    'Lives when forbidden is integer[]');

  RETURN QUERY SELECT lives_ok(
    $$SELECT * FROM pgr_contractionLinear(
      'SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ 2 ]::bigint[])$$,
    'Lives when forbidden is bigint[]');

  RETURN QUERY SELECT lives_ok(
    $$SELECT * FROM pgr_contractionLinear(
      'SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ 2 ]::smallint[])$$,
    'Lives when forbidden is smallint[]');

  RETURN QUERY SELECT throws_ok(
    $$SELECT * FROM pgr_contractionLinear(
      'SELECT id, source, target, cost, reverse_cost FROM edges', true, ARRAY[ 2 ]::float8[])$$,
    '42883', 'function pgr_contractionlinear(unknown, boolean, double precision[]) does not exist',
    'Throws because forbidden is float8[]');

END;
$BODY$
LANGUAGE plpgsql;

SELECT inner_query();

SELECT finish();
ROLLBACK;