1 -- SPDX-License-Identifier: GPL-2.0-only
3 -- This file is part of Nominatim. (https://nominatim.org)
5 -- Copyright (C) 2022 by the Nominatim developer community.
6 -- For a full list of authors see the git log.
8 -- Trigger functions for location_postcode table.
11 -- Trigger for updates of location_postcode
13 -- Computes the parent object the postcode most likely refers to.
14 -- This will be the place that determines the address displayed when
15 -- searching for this postcode.
16 CREATE OR REPLACE FUNCTION postcode_update()
23 IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN
27 NEW.indexed_date = now();
29 partition := get_partition(NEW.country_code);
31 SELECT * FROM get_postcode_rank(NEW.country_code, NEW.postcode)
32 INTO NEW.rank_search, NEW.rank_address;
34 NEW.parent_place_id = 0;
37 FROM getNearFeatures(partition, NEW.geometry, NEW.geometry, NEW.rank_search)
38 WHERE NOT isguess ORDER BY rank_address DESC, distance asc LIMIT 1
40 NEW.parent_place_id = location.place_id;