+-- Functions for address interpolation objects in location_property_osmline.
+
+-- Splits the line at the given point and returns the two parts
+-- in a multilinestring.
+CREATE OR REPLACE FUNCTION split_line_on_node(line GEOMETRY, point GEOMETRY)
+RETURNS GEOMETRY
+ AS $$
+BEGIN
+ RETURN ST_Split(ST_Snap(line, point, 0.0005), point);
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
+
+-- find the parent road of the cut road parts
+CREATE OR REPLACE FUNCTION get_interpolation_parent(wayid BIGINT, street TEXT,
+ place TEXT, partition INTEGER,
+ centroid GEOMETRY, geom GEOMETRY)
+ RETURNS BIGINT
+ AS $$
+DECLARE
+ addr_street TEXT;
+ addr_place TEXT;
+ parent_place_id BIGINT;
+ address_street_word_ids INTEGER[];
+
+ waynodes BIGINT[];
+
+ location RECORD;
+BEGIN
+ addr_street = street;
+ addr_place = place;
+
+ IF addr_street is null and addr_place is null THEN
+ select nodes from planet_osm_ways where id = wayid INTO waynodes;
+ FOR location IN SELECT placex.address from placex
+ where osm_type = 'N' and osm_id = ANY(waynodes)
+ and placex.address is not null
+ and (placex.address ? 'street' or placex.address ? 'place')
+ and indexed_status < 100
+ limit 1 LOOP
+ addr_street = location.address->'street';
+ addr_place = location.address->'place';
+ END LOOP;
+ END IF;
+
+ IF addr_street IS NOT NULL THEN
+ address_street_word_ids := get_name_ids(make_standard_name(addr_street));
+ IF address_street_word_ids IS NOT NULL THEN
+ FOR location IN SELECT place_id from getNearestNamedRoadFeature(partition, centroid, address_street_word_ids) LOOP
+ parent_place_id := location.place_id;
+ END LOOP;
+ END IF;
+ END IF;
+
+ IF parent_place_id IS NULL AND addr_place IS NOT NULL THEN
+ address_street_word_ids := get_name_ids(make_standard_name(addr_place));
+ IF address_street_word_ids IS NOT NULL THEN
+ FOR location IN SELECT place_id from getNearestNamedPlaceFeature(partition, centroid, address_street_word_ids) LOOP
+ parent_place_id := location.place_id;
+ END LOOP;
+ END IF;
+ END IF;
+
+ IF parent_place_id is null THEN
+ FOR location IN SELECT place_id FROM placex
+ WHERE ST_DWithin(geom, placex.geometry, 0.001) and placex.rank_search = 26
+ ORDER BY (ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,0))+
+ ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,0.5))+
+ ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,1))) ASC limit 1
+ LOOP
+ parent_place_id := location.place_id;
+ END LOOP;
+ END IF;
+
+ IF parent_place_id is null THEN
+ RETURN 0;
+ END IF;
+
+ RETURN parent_place_id;
+END;
+$$
+LANGUAGE plpgsql STABLE;
+
+
+CREATE OR REPLACE FUNCTION osmline_reinsert(node_id BIGINT, geom GEOMETRY)
+ RETURNS BOOLEAN
+ AS $$
+DECLARE
+ existingline RECORD;
+BEGIN
+ SELECT w.id FROM planet_osm_ways w, location_property_osmline p
+ WHERE p.linegeo && geom and p.osm_id = w.id and p.indexed_status = 0
+ and node_id = any(w.nodes) INTO existingline;
+
+ IF existingline.id is not NULL THEN
+ DELETE FROM location_property_osmline WHERE osm_id = existingline.id;
+ INSERT INTO location_property_osmline (osm_id, address, linegeo)
+ SELECT osm_id, address, geometry FROM place
+ WHERE osm_type = 'W' and osm_id = existingline.id;
+ END IF;
+
+ RETURN true;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION osmline_insert()
+ RETURNS TRIGGER
+ AS $$
+BEGIN
+ NEW.place_id := nextval('seq_place');
+ NEW.indexed_date := now();
+
+ IF NEW.indexed_status IS NULL THEN
+ IF NEW.address is NULL OR NOT NEW.address ? 'interpolation'
+ OR NEW.address->'interpolation' NOT IN ('odd', 'even', 'all') THEN
+ -- other interpolation types than odd/even/all (e.g. numeric ones) are not supported
+ RETURN NULL;
+ END IF;
+
+ NEW.indexed_status := 1; --STATUS_NEW
+ NEW.country_code := lower(get_country_code(NEW.linegeo));
+
+ NEW.partition := get_partition(NEW.country_code);
+ NEW.geometry_sector := geometry_sector(NEW.partition, NEW.linegeo);
+ END IF;
+
+ RETURN NEW;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION osmline_update()
+ RETURNS TRIGGER
+ AS $$
+DECLARE
+ place_centroid GEOMETRY;
+ waynodes BIGINT[];
+ prevnode RECORD;
+ nextnode RECORD;
+ startnumber INTEGER;
+ endnumber INTEGER;
+ housenum INTEGER;
+ linegeo GEOMETRY;
+ splitline GEOMETRY;
+ sectiongeo GEOMETRY;
+ interpol_postcode TEXT;
+ postcode TEXT;
+BEGIN
+ -- deferred delete
+ IF OLD.indexed_status = 100 THEN
+ delete from location_property_osmline where place_id = OLD.place_id;
+ RETURN NULL;
+ END IF;
+
+ IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN
+ RETURN NEW;
+ END IF;
+
+ NEW.interpolationtype = NEW.address->'interpolation';
+
+ place_centroid := ST_PointOnSurface(NEW.linegeo);
+ NEW.parent_place_id = get_interpolation_parent(NEW.osm_id, NEW.address->'street',
+ NEW.address->'place',
+ NEW.partition, place_centroid, NEW.linegeo);
+
+ IF NEW.address is not NULL AND NEW.address ? 'postcode' AND NEW.address->'postcode' not similar to '%(,|;)%' THEN
+ interpol_postcode := NEW.address->'postcode';
+ housenum := getorcreate_postcode_id(NEW.address->'postcode');
+ ELSE
+ interpol_postcode := NULL;
+ END IF;
+
+ -- if the line was newly inserted, split the line as necessary
+ IF OLD.indexed_status = 1 THEN
+ select nodes from planet_osm_ways where id = NEW.osm_id INTO waynodes;
+
+ IF array_upper(waynodes, 1) IS NULL THEN
+ RETURN NEW;
+ END IF;
+
+ linegeo := NEW.linegeo;
+ startnumber := NULL;
+
+ FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
+
+ select osm_id, address, geometry
+ from place where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
+ and address is not NULL and address ? 'housenumber' limit 1 INTO nextnode;
+ --RAISE NOTICE 'Nextnode.place_id: %s', nextnode.place_id;
+ IF nextnode.osm_id IS NOT NULL THEN
+ --RAISE NOTICE 'place_id is not null';
+ IF nodeidpos > 1 and nodeidpos < array_upper(waynodes, 1) THEN
+ -- Make sure that the point is actually on the line. That might
+ -- be a bit paranoid but ensures that the algorithm still works
+ -- should osm2pgsql attempt to repair geometries.
+ splitline := split_line_on_node(linegeo, nextnode.geometry);
+ sectiongeo := ST_GeometryN(splitline, 1);
+ linegeo := ST_GeometryN(splitline, 2);
+ ELSE
+ sectiongeo = linegeo;
+ END IF;
+ endnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
+
+ IF startnumber IS NOT NULL AND endnumber IS NOT NULL
+ AND startnumber != endnumber
+ AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN
+
+ IF (startnumber > endnumber) THEN
+ housenum := endnumber;
+ endnumber := startnumber;
+ startnumber := housenum;
+ sectiongeo := ST_Reverse(sectiongeo);
+ END IF;
+
+ -- determine postcode
+ postcode := coalesce(interpol_postcode,
+ prevnode.address->'postcode',
+ nextnode.address->'postcode',
+ postcode);
+
+ IF postcode is NULL THEN
+ SELECT placex.postcode FROM placex WHERE place_id = NEW.parent_place_id INTO postcode;
+ END IF;
+ IF postcode is NULL THEN
+ postcode := get_nearest_postcode(NEW.country_code, nextnode.geometry);
+ END IF;
+
+ IF NEW.startnumber IS NULL THEN
+ NEW.startnumber := startnumber;
+ NEW.endnumber := endnumber;
+ NEW.linegeo := sectiongeo;
+ NEW.postcode := upper(trim(postcode));
+ ELSE
+ insert into location_property_osmline
+ (linegeo, partition, osm_id, parent_place_id,
+ startnumber, endnumber, interpolationtype,
+ address, postcode, country_code,
+ geometry_sector, indexed_status)
+ values (sectiongeo, NEW.partition, NEW.osm_id, NEW.parent_place_id,
+ startnumber, endnumber, NEW.interpolationtype,
+ NEW.address, postcode,
+ NEW.country_code, NEW.geometry_sector, 0);
+ END IF;
+ END IF;
+
+ -- early break if we are out of line string,
+ -- might happen when a line string loops back on itself
+ IF ST_GeometryType(linegeo) != 'ST_LineString' THEN
+ RETURN NEW;
+ END IF;
+
+ startnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
+ prevnode := nextnode;
+ END IF;
+ END LOOP;
+ END IF;
+
+ -- marking descendants for reparenting is not needed, because there are
+ -- actually no descendants for interpolation lines
+ RETURN NEW;
+END;
+$$
+LANGUAGE plpgsql;
projects / nominatim.git / commitdiff