+-- 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;
+ extra_names HSTORE;
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;
+ -- remove internal and derived names
+ result.address := result.address - '_unlisted_place'::TEXT;
+ SELECT hstore(array_agg(key), array_agg(value)) INTO result.name
+ FROM each(p.name) WHERE key not like '\_%';
+
+ 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 location.name is not NULL THEN
+ {% if debug %}RAISE WARNING 'Names original: %, location: %', result.name, location.name;{% endif %}
+ -- Add all names from the place nodes that deviate from the name
+ -- in the relation with the prefix '_place_'. Deviation means that
+ -- either the value is different or a given key is missing completely
+ SELECT hstore(array_agg('_place_' || key), array_agg(value)) INTO extra_names
+ FROM each(location.name - result.name);
+ {% if debug %}RAISE WARNING 'Extra names: %', extra_names;{% endif %}
+
+ IF extra_names is not null THEN
+ result.name := result.name || extra_names;
+ END IF;
- IF NOT location.name IS NULL THEN
- name := location.name || name;
+ {% if debug %}RAISE WARNING 'Final names: %', result.name;{% endif %}
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
WHERE s.place_id = parent_place_id;
FOR addr_item IN
- SELECT (get_addr_tag_rank(key, country)).*, key,
+ SELECT ranks.*, key,
token_get_address_search_tokens(token_info, key) as search_tokens
- FROM token_get_address_keys(token_info) as key
+ FROM token_get_address_keys(token_info) as key,
+ LATERAL get_addr_tag_rank(key, country) as ranks
WHERE not token_get_address_search_tokens(token_info, key) <@ parent_address_vector
LOOP
addr_place := get_address_place(in_partition, geometry,
address_havelevel := array_fill(false, ARRAY[maxrank]);
FOR location IN
- SELECT (get_address_place(partition, geometry, from_rank, to_rank,
- extent, token_info, key)).*, key
- FROM (SELECT (get_addr_tag_rank(key, country)).*, key
- FROM token_get_address_keys(token_info) as key) x
+ SELECT apl.*, key
+ FROM (SELECT extra.*, key
+ FROM token_get_address_keys(token_info) as key,
+ LATERAL get_addr_tag_rank(key, country) as extra) x,
+ LATERAL get_address_place(partition, geometry, from_rank, to_rank,
+ extent, token_info, key) as apl
ORDER BY rank_address, distance, isguess desc
LOOP
IF location.place_id is null THEN
{% 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');
AND NEW.class = 'boundary' AND NEW.type = 'administrative'
AND NEW.country_code IS NOT NULL AND NEW.osm_type = 'R'
THEN
- -- Update the list of country names. Adding an additional sanity
- -- check here: make sure the country does overlap with the area where
- -- we expect it to be as per static country grid.
+ -- Update the list of country names.
+ -- Only take the name from the largest area for the given country code
+ -- in the hope that this is the authoritive one.
+ -- Also replace any old names so that all mapping mistakes can
+ -- be fixed through regular OSM updates.
FOR location IN
- SELECT country_code FROM country_osm_grid
- WHERE ST_Covers(geometry, NEW.centroid) and country_code = NEW.country_code
+ SELECT osm_id FROM placex
+ WHERE rank_search = 4 and osm_type = 'R'
+ and country_code = NEW.country_code
+ ORDER BY ST_Area(geometry) desc
LIMIT 1
LOOP
- {% if debug %}RAISE WARNING 'Updating names for country '%' with: %', NEW.country_code, NEW.name;{% endif %}
- UPDATE country_name SET name = name || NEW.name WHERE country_code = NEW.country_code;
+ IF location.osm_id = NEW.osm_id THEN
+ {% if debug %}RAISE WARNING 'Updating names for country '%' with: %', NEW.country_code, NEW.name;{% endif %}
+ UPDATE country_name SET derived_name = NEW.name WHERE country_code = NEW.country_code;
+ END IF;
END LOOP;
END IF;
projects / nominatim.git / blobdiff