+-- SPDX-License-Identifier: GPL-2.0-only
+--
+-- This file is part of Nominatim. (https://nominatim.org)
+--
+-- Copyright (C) 2022 by the Nominatim developer community.
+-- For a full list of authors see the git log.
+
-- Trigger functions for the placex table.
+-- Information returned by update preparation.
+DROP TYPE IF EXISTS prepare_update_info CASCADE;
+CREATE TYPE prepare_update_info AS (
+ name HSTORE,
+ address HSTORE,
+ rank_address SMALLINT,
+ country_code TEXT,
+ class TEXT,
+ type TEXT,
+ linked_place_id BIGINT
+);
+
-- Retrieve the data needed by the indexer for updating the place.
---
--- Return parameters:
--- name list of names
--- address list of address tags, either from the object or a surrounding
--- building
--- country_feature If the place is a country feature, this contains the
--- country code, otherwise it is null.
-CREATE OR REPLACE FUNCTION placex_prepare_update(p placex,
- OUT name HSTORE,
- OUT address HSTORE,
- OUT country_feature VARCHAR,
- OUT linked_place_id BIGINT)
+CREATE OR REPLACE FUNCTION placex_indexing_prepare(p placex)
+ RETURNS prepare_update_info
AS $$
DECLARE
location RECORD;
+ result prepare_update_info;
BEGIN
-- For POI nodes, check if the address should be derived from a surrounding
-- building.
- IF p.rank_search < 30 OR p.osm_type != 'N' OR p.address is not null THEN
- address := p.address;
- ELSE
+ IF p.rank_search < 30 OR p.osm_type != 'N' THEN
+ result.address := p.address;
+ ELSEIF p.address is null THEN
-- The additional && condition works around the misguided query
-- planner of postgis 3.0.
- SELECT placex.address || hstore('_inherited', '') INTO address
+ SELECT placex.address || hstore('_inherited', '') INTO result.address
FROM placex
WHERE ST_Covers(geometry, p.centroid)
and geometry && p.centroid
and (placex.address ? 'housenumber' or placex.address ? 'street' or placex.address ? 'place')
and rank_search = 30 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
LIMIT 1;
+ ELSE
+ result.address := p.address;
+ -- See if we can inherit addtional address tags from an interpolation.
+ -- These will become permanent.
+ FOR location IN
+ SELECT (address - 'interpolation'::text - 'housenumber'::text) as address
+ FROM place, planet_osm_ways w
+ WHERE place.osm_type = 'W' and place.address ? 'interpolation'
+ and place.geometry && p.geometry
+ and place.osm_id = w.id
+ and p.osm_id = any(w.nodes)
+ LOOP
+ result.address := location.address || result.address;
+ END LOOP;
END IF;
- address := address - '_unlisted_place'::TEXT;
- name := p.name;
+ result.address := result.address - '_unlisted_place'::TEXT;
+ result.name := p.name;
+ result.class := p.class;
+ result.type := p.type;
+ result.country_code := p.country_code;
+ result.rank_address := p.rank_address;
-- Names of linked places need to be merged in, so search for a linkable
-- place already here.
SELECT * INTO location FROM find_linked_place(p);
IF location.place_id is not NULL THEN
- linked_place_id := location.place_id;
+ result.linked_place_id := location.place_id;
IF NOT location.name IS NULL THEN
- name := location.name || name;
+ result.name := location.name || result.name;
END IF;
END IF;
- country_feature := CASE WHEN p.admin_level = 2
- and p.class = 'boundary' and p.type = 'administrative'
- and p.osm_type = 'R'
- THEN p.country_code
- ELSE null
- END;
+ RETURN result;
END;
$$
LANGUAGE plpgsql STABLE;
END IF;
IF parent_place_id is null and poi_osm_type = 'N' THEN
- -- Is this node part of an interpolation?
- FOR location IN
- SELECT q.parent_place_id
- FROM location_property_osmline q, planet_osm_ways x
- WHERE q.linegeo && bbox and x.id = q.osm_id
- and poi_osm_id = any(x.nodes)
- LIMIT 1
- LOOP
- {% if debug %}RAISE WARNING 'Get parent from interpolation: %', location.parent_place_id;{% endif %}
- RETURN location.parent_place_id;
- END LOOP;
-
FOR location IN
SELECT p.place_id, p.osm_id, p.rank_search, p.address,
coalesce(p.centroid, ST_Centroid(p.geometry)) as centroid
{% if not disable_diff_updates %}
-- The following is not needed until doing diff updates, and slows the main index process down
- IF NEW.osm_type = 'N' and NEW.rank_search > 28 THEN
- -- might be part of an interpolation
- result := osmline_reinsert(NEW.osm_id, NEW.geometry);
- ELSEIF NEW.rank_address > 0 THEN
+ IF NEW.rank_address > 0 THEN
IF (ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(NEW.geometry)) THEN
-- Performance: We just can't handle re-indexing for country level changes
IF st_area(NEW.geometry) < 1 THEN
-- roads may cause reparenting for >27 rank places
update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
-- reparenting also for OSM Interpolation Lines (and for Tiger?)
- update location_property_osmline set indexed_status = 2 where indexed_status = 0 and ST_DWithin(location_property_osmline.linegeo, NEW.geometry, diameter);
+ update location_property_osmline set indexed_status = 2 where indexed_status = 0 and startnumber is not null and ST_DWithin(location_property_osmline.linegeo, NEW.geometry, diameter);
ELSEIF NEW.rank_search >= 16 THEN
-- up to rank 16, street-less addresses may need reparenting
update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null or address ? 'place');
projects / nominatim.git / blobdiff