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 address interpolation objects in location_property_osmline.
11 CREATE OR REPLACE FUNCTION get_interpolation_address(in_address HSTORE, wayid BIGINT)
18 IF in_address ? 'street' or in_address ? 'place' THEN
22 SELECT nodes INTO waynodes FROM planet_osm_ways WHERE id = wayid;
24 SELECT placex.address, placex.osm_id FROM placex
25 WHERE osm_type = 'N' and osm_id = ANY(waynodes)
26 and placex.address is not null
27 and (placex.address ? 'street' or placex.address ? 'place')
28 and indexed_status < 100
30 -- mark it as a derived address
31 RETURN location.address || in_address || hstore('_inherited', '');
37 LANGUAGE plpgsql STABLE;
41 -- find the parent road of the cut road parts
42 CREATE OR REPLACE FUNCTION get_interpolation_parent(token_info JSONB,
44 centroid GEOMETRY, geom GEOMETRY)
48 parent_place_id BIGINT;
51 parent_place_id := find_parent_for_address(token_info, partition, centroid);
53 IF parent_place_id is null THEN
54 FOR location IN SELECT place_id FROM placex
55 WHERE ST_DWithin(geom, placex.geometry, 0.001)
56 and placex.rank_search = 26
57 and placex.osm_type = 'W' -- needed for index selection
58 ORDER BY CASE WHEN ST_GeometryType(geom) = 'ST_Line' THEN
59 (ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,0))+
60 ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,0.5))+
61 ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,1)))
62 ELSE ST_distance(placex.geometry, geom) END
66 parent_place_id := location.place_id;
70 IF parent_place_id is null THEN
74 RETURN parent_place_id;
77 LANGUAGE plpgsql STABLE;
80 CREATE OR REPLACE FUNCTION reinsert_interpolation(way_id BIGINT, addr HSTORE,
87 -- Get the existing entry from the interpolation table.
88 SELECT array_agg(place_id) INTO existing
89 FROM location_property_osmline WHERE osm_id = way_id;
91 IF existing IS NULL or array_length(existing, 1) = 0 THEN
92 INSERT INTO location_property_osmline (osm_id, address, linegeo)
93 VALUES (way_id, addr, geom);
95 -- Update the interpolation table:
96 -- The first entry gets the original data, all other entries
97 -- are removed and will be recreated on indexing.
98 -- (An interpolation can be split up, if it has more than 2 address nodes)
99 UPDATE location_property_osmline
104 WHERE place_id = existing[1];
105 IF array_length(existing, 1) > 1 THEN
106 DELETE FROM location_property_osmline
107 WHERE place_id = any(existing[2:]);
117 CREATE OR REPLACE FUNCTION osmline_insert()
121 NEW.place_id := nextval('seq_place');
122 NEW.indexed_date := now();
124 IF NEW.indexed_status IS NULL THEN
125 IF NEW.address is NULL OR NOT NEW.address ? 'interpolation'
126 OR NOT (NEW.address->'interpolation' in ('odd', 'even', 'all')
127 or NEW.address->'interpolation' similar to '[1-9]')
129 -- alphabetic interpolation is not supported
133 NEW.indexed_status := 1; --STATUS_NEW
134 NEW.country_code := lower(get_country_code(NEW.linegeo));
136 NEW.partition := get_partition(NEW.country_code);
137 NEW.geometry_sector := geometry_sector(NEW.partition, NEW.linegeo);
146 CREATE OR REPLACE FUNCTION osmline_update()
165 IF OLD.indexed_status = 100 THEN
166 delete from location_property_osmline where place_id = OLD.place_id;
170 IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN
174 NEW.parent_place_id := get_interpolation_parent(NEW.token_info, NEW.partition,
175 ST_PointOnSurface(NEW.linegeo),
178 NEW.token_info := token_strip_info(NEW.token_info);
179 IF NEW.address ? '_inherited' THEN
180 NEW.address := hstore('interpolation', NEW.address->'interpolation');
183 -- If the line was newly inserted, split the line as necessary.
184 IF OLD.indexed_status = 1 THEN
185 IF NEW.address->'interpolation' in ('odd', 'even') THEN
187 stepmod := CASE WHEN NEW.address->'interpolation' = 'odd' THEN 1 ELSE 0 END;
189 NEW.step := CASE WHEN NEW.address->'interpolation' = 'all'
191 ELSE (NEW.address->'interpolation')::SMALLINT END;
195 SELECT nodes INTO waynodes
196 FROM planet_osm_ways WHERE id = NEW.osm_id;
198 IF array_upper(waynodes, 1) IS NULL THEN
203 SELECT null::integer as hnr INTO prevnode;
205 -- Go through all nodes on the interpolation line that have a housenumber.
207 SELECT DISTINCT ON (nodeidpos)
208 osm_id, address, geometry,
209 -- Take the postcode from the node only if it has a housenumber itself.
210 -- Note that there is a corner-case where the node has a wrongly
211 -- formatted postcode and therefore 'postcode' contains a derived
213 CASE WHEN address ? 'postcode' THEN placex.postcode ELSE NULL::text END as postcode,
214 substring(address->'housenumber','[0-9]+')::integer as hnr
215 FROM placex, generate_series(1, array_upper(waynodes, 1)) nodeidpos
216 WHERE osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
217 and address is not NULL and address ? 'housenumber'
220 {% if debug %}RAISE WARNING 'processing point % (%)', nextnode.hnr, ST_AsText(nextnode.geometry);{% endif %}
221 IF linegeo is null THEN
222 linegeo := NEW.linegeo;
224 splitline := ST_Split(ST_Snap(linegeo, nextnode.geometry, 0.0005), nextnode.geometry);
225 sectiongeo := ST_GeometryN(splitline, 1);
226 linegeo := ST_GeometryN(splitline, 2);
229 IF prevnode.hnr is not null
230 -- Check if there are housenumbers to interpolate between the
231 -- regularly mapped housenumbers.
232 -- (Conveniently also fails if one of the house numbers is not a number.)
233 and abs(prevnode.hnr - nextnode.hnr) > NEW.step
235 IF prevnode.hnr < nextnode.hnr THEN
236 startnumber := prevnode.hnr;
237 endnumber := nextnode.hnr;
239 startnumber := nextnode.hnr;
240 endnumber := prevnode.hnr;
241 sectiongeo := ST_Reverse(sectiongeo);
244 -- Adjust the interpolation, so that only inner housenumbers
245 -- are taken into account.
246 IF stepmod is null THEN
247 newstart := startnumber + NEW.step;
249 newstart := startnumber + 1;
250 moddiff := newstart % NEW.step - stepmod;
252 newstart := newstart + (NEW.step + moddiff);
254 newstart := newstart + moddiff;
257 newend := newstart + ((endnumber - 1 - newstart) / NEW.step) * NEW.step;
259 -- If newstart and newend are the same, then this returns a point.
260 sectiongeo := ST_LineSubstring(sectiongeo,
261 (newstart - startnumber)::float / (endnumber - startnumber)::float,
262 (newend - startnumber)::float / (endnumber - startnumber)::float);
263 startnumber := newstart;
266 -- determine postcode
267 postcode := coalesce(prevnode.postcode, nextnode.postcode, postcode);
268 IF postcode is NULL and NEW.parent_place_id > 0 THEN
269 SELECT placex.postcode FROM placex
270 WHERE place_id = NEW.parent_place_id INTO postcode;
272 IF postcode is NULL THEN
273 postcode := get_nearest_postcode(NEW.country_code, nextnode.geometry);
276 -- Add the interpolation. If this is the first segment, just modify
277 -- the interpolation to be inserted, otherwise add an additional one
278 -- (marking it indexed already).
279 IF NEW.startnumber IS NULL THEN
280 NEW.startnumber := startnumber;
281 NEW.endnumber := endnumber;
282 NEW.linegeo := sectiongeo;
283 NEW.postcode := postcode;
285 INSERT INTO location_property_osmline
286 (linegeo, partition, osm_id, parent_place_id,
287 startnumber, endnumber, step,
288 address, postcode, country_code,
289 geometry_sector, indexed_status)
290 VALUES (sectiongeo, NEW.partition, NEW.osm_id, NEW.parent_place_id,
291 startnumber, endnumber, NEW.step,
292 NEW.address, postcode,
293 NEW.country_code, NEW.geometry_sector, 0);
296 -- early break if we are out of line string,
297 -- might happen when a line string loops back on itself
298 IF ST_GeometryType(linegeo) != 'ST_LineString' THEN
303 prevnode := nextnode;