--- 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;
-
-
CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry) RETURNS INTEGER
AS $$
DECLARE
LANGUAGE plpgsql;
--- find the parent road of the cut road parts
-CREATE OR REPLACE FUNCTION get_interpolation_parent(wayid BIGINT, street TEXT, place TEXT,
- partition INTEGER, centroid GEOMETRY, geom GEOMETRY)
-RETURNS BIGINT AS $$
-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;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION osmline_reinsert(node_id BIGINT, geom GEOMETRY)
- RETURNS BOOLEAN
- AS $$
-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;
-$$
-LANGUAGE plpgsql;
-
-
CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER
AS $$
DECLARE
$$
LANGUAGE plpgsql;
-CREATE OR REPLACE FUNCTION osmline_update() RETURNS
-TRIGGER
- AS $$
-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;
-
-- Trigger for updates of location_postcode
--
-- Computes the parent object the postcode most likely refers to.