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 -- Functions for returning address information for a place.
10 DROP TYPE IF EXISTS addressline CASCADE;
11 CREATE TYPE addressline as (
27 CREATE OR REPLACE FUNCTION get_name_by_language(name hstore, languagepref TEXT[])
37 FOR j IN 1..array_upper(languagepref,1) LOOP
38 IF name ? languagepref[j] THEN
39 result := trim(name->languagepref[j]);
46 -- as a fallback - take the last element since it is the default name
47 RETURN trim((avals(name))[array_length(avals(name), 1)]);
50 LANGUAGE plpgsql IMMUTABLE;
53 --housenumber only needed for tiger data
54 CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id BIGINT,
71 CASE WHEN place_id = for_place_id THEN 99 ELSE rank_address END as rank_address
72 FROM get_addressdata(for_place_id, housenumber)
73 WHERE isaddress order by rank_address desc
75 currresult := trim(get_name_by_language(location.name, languagepref));
76 IF currresult != prevresult AND currresult IS NOT NULL
77 AND result[(100 - location.rank_address)] IS NULL
79 result[(100 - location.rank_address)] := currresult;
80 prevresult := currresult;
84 RETURN array_to_string(result,', ');
87 LANGUAGE plpgsql STABLE;
89 DROP TYPE IF EXISTS addressdata_place;
90 CREATE TYPE addressdata_place AS (
92 country_code VARCHAR(2),
102 -- Compute the list of address parts for the given place.
104 -- If in_housenumber is greator or equal 0, look for an interpolation.
105 CREATE OR REPLACE FUNCTION get_addressdata(in_place_id BIGINT, in_housenumber INTEGER)
106 RETURNS setof addressline
109 place addressdata_place;
112 current_rank_address INTEGER;
113 location_isaddress BOOLEAN;
115 -- The place in question might not have a direct entry in place_addressline.
116 -- Look for the parent of such places then and save it in place.
118 -- first query osmline (interpolation lines)
119 IF in_housenumber >= 0 THEN
120 SELECT parent_place_id as place_id, country_code,
121 in_housenumber as housenumber, postcode,
122 'place' as class, 'house' as type,
123 null as name, null as address,
124 ST_Centroid(linegeo) as centroid
126 FROM location_property_osmline
127 WHERE place_id = in_place_id
128 AND in_housenumber between startnumber and endnumber;
131 --then query tiger data
132 {% if config.get_bool('USE_US_TIGER_DATA') %}
133 IF place IS NULL AND in_housenumber >= 0 THEN
134 SELECT parent_place_id as place_id, 'us' as country_code,
135 in_housenumber as housenumber, postcode,
136 'place' as class, 'house' as type,
137 null as name, null as address,
138 ST_Centroid(linegeo) as centroid
140 FROM location_property_tiger
141 WHERE place_id = in_place_id
142 AND in_housenumber between startnumber and endnumber;
147 IF place IS NULL THEN
148 SELECT parent_place_id as place_id, country_code,
149 null::text as housenumber, postcode,
150 'place' as class, 'postcode' as type,
151 null as name, null as address,
154 FROM location_postcode
155 WHERE place_id = in_place_id;
158 -- POI objects in the placex table
159 IF place IS NULL THEN
160 SELECT parent_place_id as place_id, country_code,
161 coalesce(address->'housenumber',
162 address->'streetnumber',
163 address->'conscriptionnumber')::text as housenumber,
170 WHERE place_id = in_place_id and rank_search > 27;
173 -- If place is still NULL at this point then the object has its own
174 -- entry in place_address line. However, still check if there is not linked
175 -- place we should be using instead.
176 IF place IS NULL THEN
177 select coalesce(linked_place_id, place_id) as place_id, country_code,
178 null::text as housenumber, postcode,
180 null as name, address,
183 FROM placex where place_id = in_place_id;
186 --RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchpostcode;
188 -- --- Return the record for the base entry.
190 current_rank_address := 1000;
192 SELECT placex.place_id, osm_type, osm_id, name,
193 coalesce(extratags->'linked_place', extratags->'place') as place_type,
194 class, type, admin_level,
195 CASE WHEN rank_address = 0 THEN 100
196 WHEN rank_address = 11 THEN 5
197 ELSE rank_address END as rank_address,
200 WHERE place_id = place.place_id
202 --RAISE WARNING '%',location;
203 -- mix in default names for countries
204 IF location.rank_address = 4 and place.country_code is not NULL THEN
206 SELECT coalesce(name, ''::hstore) as name FROM country_name
207 WHERE country_code = place.country_code LIMIT 1
209 place.name := country.name || place.name;
213 IF location.rank_address < 4 THEN
214 -- no country locations for ranks higher than country
215 place.country_code := NULL::varchar(2);
216 ELSEIF place.country_code IS NULL AND location.country_code IS NOT NULL THEN
217 place.country_code := location.country_code;
220 RETURN NEXT ROW(location.place_id, location.osm_type, location.osm_id,
221 location.name, location.class, location.type,
223 location.admin_level, true,
224 location.type not in ('postcode', 'postal_code'),
225 location.rank_address, 0)::addressline;
227 current_rank_address := location.rank_address;
230 -- --- Return records for address parts.
233 SELECT placex.place_id, osm_type, osm_id, name, class, type,
234 coalesce(extratags->'linked_place', extratags->'place') as place_type,
235 admin_level, fromarea, isaddress and linked_place_id is NULL as isaddress,
236 CASE WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
237 distance, country_code, postcode
238 FROM place_addressline join placex on (address_place_id = placex.place_id)
239 WHERE place_addressline.place_id IN (place.place_id, in_place_id)
240 AND linked_place_id is null
241 AND (placex.country_code IS NULL OR place.country_code IS NULL
242 OR placex.country_code = place.country_code)
243 ORDER BY rank_address desc,
244 (place_addressline.place_id = in_place_id) desc,
245 (CASE WHEN coalesce((avals(name) && avals(place.address)), False) THEN 2
246 WHEN isaddress THEN 0
248 and place.centroid is not null
249 and ST_Contains(geometry, place.centroid) THEN 1
251 fromarea desc, distance asc, rank_search desc
253 -- RAISE WARNING '%',location;
254 location_isaddress := location.rank_address != current_rank_address;
256 IF place.country_code IS NULL AND location.country_code IS NOT NULL THEN
257 place.country_code := location.country_code;
259 IF location.type in ('postcode', 'postal_code')
260 AND place.postcode is not null
262 -- If the place had a postcode assigned, take this one only
263 -- into consideration when it is an area and the place does not have
264 -- a postcode itself.
265 IF location.fromarea AND location_isaddress
266 AND (place.address is null or not place.address ? 'postcode')
268 place.postcode := null; -- remove the less exact postcode
270 location_isaddress := false;
273 RETURN NEXT ROW(location.place_id, location.osm_type, location.osm_id,
274 location.name, location.class, location.type,
276 location.admin_level, location.fromarea,
278 location.rank_address,
279 location.distance)::addressline;
281 current_rank_address := location.rank_address;
284 -- If no country was included yet, add the name information from country_name.
285 IF current_rank_address > 4 THEN
287 SELECT name || coalesce(derived_name, ''::hstore) as name FROM country_name
288 WHERE country_code = place.country_code LIMIT 1
290 --RAISE WARNING '% % %',current_rank_address,searchcountrycode,countryname;
291 RETURN NEXT ROW(null, null, null, location.name, 'place', 'country', NULL,
292 null, true, true, 4, 0)::addressline;
296 -- Finally add some artificial rows.
297 IF place.country_code IS NOT NULL THEN
298 location := ROW(null, null, null, hstore('ref', place.country_code),
299 'place', 'country_code', null, null, true, false, 4, 0)::addressline;
300 RETURN NEXT location;
303 IF place.name IS NOT NULL THEN
304 location := ROW(in_place_id, null, null, place.name, place.class,
305 place.type, null, null, true, true, 29, 0)::addressline;
306 RETURN NEXT location;
309 IF place.housenumber IS NOT NULL THEN
310 location := ROW(null, null, null, hstore('ref', place.housenumber),
311 'place', 'house_number', null, null, true, true, 28, 0)::addressline;
312 RETURN NEXT location;
315 IF place.address is not null and place.address ? '_unlisted_place' THEN
316 RETURN NEXT ROW(null, null, null, hstore('name', place.address->'_unlisted_place'),
317 'place', 'locality', null, null, true, true, 25, 0)::addressline;
320 IF place.postcode is not null THEN
321 location := ROW(null, null, null, hstore('ref', place.postcode), 'place',
322 'postcode', null, null, false, true, 5, 0)::addressline;
323 RETURN NEXT location;
324 ELSEIF place.address is not null and place.address ? 'postcode'
325 and not place.address->'postcode' SIMILAR TO '%(,|;)%' THEN
326 location := ROW(null, null, null, hstore('ref', place.address->'postcode'), 'place',
327 'postcode', null, null, false, true, 5, 0)::addressline;
328 RETURN NEXT location;
334 LANGUAGE plpgsql STABLE;