+++ /dev/null
-CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry) RETURNS INTEGER
- AS $$
-DECLARE
- NEWgeometry geometry;
-BEGIN
--- RAISE WARNING '%',place;
- NEWgeometry := ST_PointOnSurface(place);
- RETURN (partition*1000000) + (500-ST_X(NEWgeometry)::integer)*1000 + (500-ST_Y(NEWgeometry)::integer);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-
-CREATE OR REPLACE FUNCTION array_merge(a INTEGER[], b INTEGER[])
- RETURNS INTEGER[]
- AS $$
-DECLARE
- i INTEGER;
- r INTEGER[];
-BEGIN
- IF array_upper(a, 1) IS NULL THEN
- RETURN b;
- END IF;
- IF array_upper(b, 1) IS NULL THEN
- RETURN a;
- END IF;
- r := a;
- FOR i IN 1..array_upper(b, 1) LOOP
- IF NOT (ARRAY[b[i]] <@ r) THEN
- r := r || b[i];
- END IF;
- END LOOP;
- RETURN r;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION reverse_place_diameter(rank_search SMALLINT)
- RETURNS FLOAT
- AS $$
-BEGIN
- IF rank_search <= 4 THEN
- RETURN 5.0;
- ELSIF rank_search <= 8 THEN
- RETURN 1.8;
- ELSIF rank_search <= 12 THEN
- RETURN 0.6;
- ELSIF rank_search <= 17 THEN
- RETURN 0.16;
- ELSIF rank_search <= 18 THEN
- RETURN 0.08;
- ELSIF rank_search <= 19 THEN
- RETURN 0.04;
- END IF;
-
- RETURN 0.02;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_postcode_rank(country_code VARCHAR(2), postcode TEXT,
- OUT rank_search SMALLINT, OUT rank_address SMALLINT)
-AS $$
-DECLARE
- part TEXT;
-BEGIN
- rank_search := 30;
- rank_address := 30;
- postcode := upper(postcode);
-
- IF country_code = 'gb' THEN
- IF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9][A-Z][A-Z])$' THEN
- rank_search := 25;
- rank_address := 5;
- ELSEIF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])$' THEN
- rank_search := 23;
- rank_address := 5;
- ELSEIF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z])$' THEN
- rank_search := 21;
- rank_address := 5;
- END IF;
-
- ELSEIF country_code = 'sg' THEN
- IF postcode ~ '^([0-9]{6})$' THEN
- rank_search := 25;
- rank_address := 11;
- END IF;
-
- ELSEIF country_code = 'de' THEN
- IF postcode ~ '^([0-9]{5})$' THEN
- rank_search := 21;
- rank_address := 11;
- END IF;
-
- ELSE
- -- Guess at the postcode format and coverage (!)
- IF postcode ~ '^[A-Z0-9]{1,5}$' THEN -- Probably too short to be very local
- rank_search := 21;
- rank_address := 11;
- ELSE
- -- Does it look splitable into and area and local code?
- part := substring(postcode from '^([- :A-Z0-9]+)([- :][A-Z0-9]+)$');
-
- IF part IS NOT NULL THEN
- rank_search := 25;
- rank_address := 11;
- ELSEIF postcode ~ '^[- :A-Z0-9]{6,}$' THEN
- rank_search := 21;
- rank_address := 11;
- END IF;
- END IF;
- END IF;
-
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
--- Find the nearest artificial postcode for the given geometry.
--- TODO For areas there should not be more than two inside the geometry.
-CREATE OR REPLACE FUNCTION get_nearest_postcode(country VARCHAR(2), geom GEOMETRY) RETURNS TEXT
- AS $$
-DECLARE
- outcode TEXT;
- cnt INTEGER;
-BEGIN
- -- If the geometry is an area then only one postcode must be within
- -- that area, otherwise consider the area as not having a postcode.
- IF ST_GeometryType(geom) in ('ST_Polygon','ST_MultiPolygon') THEN
- SELECT min(postcode), count(*) FROM
- (SELECT postcode FROM location_postcode
- WHERE ST_Contains(geom, location_postcode.geometry) LIMIT 2) sub
- INTO outcode, cnt;
-
- IF cnt = 1 THEN
- RETURN outcode;
- ELSE
- RETURN null;
- END IF;
- END IF;
-
- SELECT postcode FROM location_postcode
- WHERE ST_DWithin(geom, location_postcode.geometry, 0.05)
- AND location_postcode.country_code = country
- ORDER BY ST_Distance(geom, location_postcode.geometry) LIMIT 1
- INTO outcode;
-
- RETURN outcode;
-END;
-$$
-LANGUAGE plpgsql;
-
-
-CREATE OR REPLACE FUNCTION get_country_code(place geometry) RETURNS TEXT
- AS $$
-DECLARE
- place_centre GEOMETRY;
- nearcountry RECORD;
-BEGIN
- place_centre := ST_PointOnSurface(place);
-
--- RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);
-
- -- Try for a OSM polygon
- FOR nearcountry IN select country_code from location_area_country where country_code is not null and st_covers(geometry, place_centre) limit 1
- LOOP
- RETURN nearcountry.country_code;
- END LOOP;
-
--- RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
-
- -- Try for OSM fallback data
- -- The order is to deal with places like HongKong that are 'states' within another polygon
- FOR nearcountry IN select country_code from country_osm_grid where st_covers(geometry, place_centre) order by area asc limit 1
- LOOP
- RETURN nearcountry.country_code;
- END LOOP;
-
--- RAISE WARNING 'near osm fallback: %', ST_AsText(place_centre);
-
- --
- FOR nearcountry IN select country_code from country_osm_grid where st_dwithin(geometry, place_centre, 0.5) order by st_distance(geometry, place_centre) asc, area asc limit 1
- LOOP
- RETURN nearcountry.country_code;
- END LOOP;
-
- RETURN NULL;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_country_language_code(search_country_code VARCHAR(2)) RETURNS TEXT
- AS $$
-DECLARE
- nearcountry RECORD;
-BEGIN
- FOR nearcountry IN select distinct country_default_language_code from country_name where country_code = search_country_code limit 1
- LOOP
- RETURN lower(nearcountry.country_default_language_code);
- END LOOP;
- RETURN NULL;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_country_language_codes(search_country_code VARCHAR(2)) RETURNS TEXT[]
- AS $$
-DECLARE
- nearcountry RECORD;
-BEGIN
- FOR nearcountry IN select country_default_language_codes from country_name where country_code = search_country_code limit 1
- LOOP
- RETURN lower(nearcountry.country_default_language_codes);
- END LOOP;
- RETURN NULL;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_partition(in_country_code VARCHAR(10)) RETURNS INTEGER
- AS $$
-DECLARE
- nearcountry RECORD;
-BEGIN
- FOR nearcountry IN select partition from country_name where country_code = in_country_code
- LOOP
- RETURN nearcountry.partition;
- END LOOP;
- RETURN 0;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION delete_location(OLD_place_id BIGINT) RETURNS BOOLEAN
- AS $$
-DECLARE
-BEGIN
- DELETE FROM location_area where place_id = OLD_place_id;
--- TODO:location_area
- RETURN true;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION add_location(
- place_id BIGINT,
- country_code varchar(2),
- partition INTEGER,
- keywords INTEGER[],
- rank_search INTEGER,
- rank_address INTEGER,
- in_postcode TEXT,
- geometry GEOMETRY
- )
- RETURNS BOOLEAN
- AS $$
-DECLARE
- locationid INTEGER;
- centroid GEOMETRY;
- diameter FLOAT;
- x BOOLEAN;
- splitGeom RECORD;
- secgeo GEOMETRY;
- postcode TEXT;
-BEGIN
-
- IF rank_search > 25 THEN
- RAISE EXCEPTION 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
- END IF;
-
- x := deleteLocationArea(partition, place_id, rank_search);
-
- -- add postcode only if it contains a single entry, i.e. ignore postcode lists
- postcode := NULL;
- IF in_postcode is not null AND in_postcode not similar to '%(,|;)%' THEN
- postcode := upper(trim (in_postcode));
- END IF;
-
- IF ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
- centroid := ST_Centroid(geometry);
-
- FOR secgeo IN select split_geometry(geometry) AS geom LOOP
- x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, postcode, centroid, secgeo);
- END LOOP;
-
- ELSE
-
- diameter := 0.02;
- IF rank_address = 0 THEN
- diameter := 0.02;
- ELSEIF rank_search <= 14 THEN
- diameter := 1.2;
- ELSEIF rank_search <= 15 THEN
- diameter := 1;
- ELSEIF rank_search <= 16 THEN
- diameter := 0.5;
- ELSEIF rank_search <= 17 THEN
- diameter := 0.2;
- ELSEIF rank_search <= 21 THEN
- diameter := 0.05;
- ELSEIF rank_search = 25 THEN
- diameter := 0.005;
- END IF;
-
--- RAISE WARNING 'adding % diameter %', place_id, diameter;
-
- secgeo := ST_Buffer(geometry, diameter);
- x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, postcode, ST_Centroid(geometry), secgeo);
-
- END IF;
-
- RETURN true;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], member TEXT) RETURNS TEXT[]
- AS $$
-DECLARE
- result TEXT[];
- i INTEGER;
-BEGIN
-
- FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
- IF members[i+1] = member THEN
- result := result || members[i];
- END IF;
- END LOOP;
-
- return result;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], memberLabels TEXT[]) RETURNS SETOF TEXT
- AS $$
-DECLARE
- i INTEGER;
-BEGIN
-
- FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
- IF members[i+1] = ANY(memberLabels) THEN
- RETURN NEXT members[i];
- END IF;
- END LOOP;
-
- RETURN;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION quad_split_geometry(geometry GEOMETRY, maxarea FLOAT, maxdepth INTEGER)
- RETURNS SETOF GEOMETRY
- AS $$
-DECLARE
- xmin FLOAT;
- ymin FLOAT;
- xmax FLOAT;
- ymax FLOAT;
- xmid FLOAT;
- ymid FLOAT;
- secgeo GEOMETRY;
- secbox GEOMETRY;
- seg INTEGER;
- geo RECORD;
- area FLOAT;
- remainingdepth INTEGER;
- added INTEGER;
-
-BEGIN
-
--- RAISE WARNING 'quad_split_geometry: maxarea=%, depth=%',maxarea,maxdepth;
-
- IF (ST_GeometryType(geometry) not in ('ST_Polygon','ST_MultiPolygon') OR NOT ST_IsValid(geometry)) THEN
- RETURN NEXT geometry;
- RETURN;
- END IF;
-
- remainingdepth := maxdepth - 1;
- area := ST_AREA(geometry);
- IF remainingdepth < 1 OR area < maxarea THEN
- RETURN NEXT geometry;
- RETURN;
- END IF;
-
- xmin := st_xmin(geometry);
- xmax := st_xmax(geometry);
- ymin := st_ymin(geometry);
- ymax := st_ymax(geometry);
- secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(ymin,xmin),ST_Point(ymax,xmax)),4326);
-
- -- if the geometry completely covers the box don't bother to slice any more
- IF ST_AREA(secbox) = area THEN
- RETURN NEXT geometry;
- RETURN;
- END IF;
-
- xmid := (xmin+xmax)/2;
- ymid := (ymin+ymax)/2;
-
- added := 0;
- FOR seg IN 1..4 LOOP
-
- IF seg = 1 THEN
- secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmin,ymin),ST_Point(xmid,ymid)),4326);
- END IF;
- IF seg = 2 THEN
- secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmin,ymid),ST_Point(xmid,ymax)),4326);
- END IF;
- IF seg = 3 THEN
- secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmid,ymin),ST_Point(xmax,ymid)),4326);
- END IF;
- IF seg = 4 THEN
- secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmid,ymid),ST_Point(xmax,ymax)),4326);
- END IF;
-
- IF st_intersects(geometry, secbox) THEN
- secgeo := st_intersection(geometry, secbox);
- IF NOT ST_IsEmpty(secgeo) AND ST_GeometryType(secgeo) in ('ST_Polygon','ST_MultiPolygon') THEN
- FOR geo IN select quad_split_geometry(secgeo, maxarea, remainingdepth) as geom LOOP
- IF NOT ST_IsEmpty(geo.geom) AND ST_GeometryType(geo.geom) in ('ST_Polygon','ST_MultiPolygon') THEN
- added := added + 1;
- RETURN NEXT geo.geom;
- END IF;
- END LOOP;
- END IF;
- END IF;
- END LOOP;
-
- RETURN;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION split_geometry(geometry GEOMETRY)
- RETURNS SETOF GEOMETRY
- AS $$
-DECLARE
- geo RECORD;
-BEGIN
- -- 10000000000 is ~~ 1x1 degree
- FOR geo IN select quad_split_geometry(geometry, 0.25, 20) as geom LOOP
- RETURN NEXT geo.geom;
- END LOOP;
- RETURN;
-END;
-$$
-LANGUAGE plpgsql;
-
-
-CREATE OR REPLACE FUNCTION place_force_delete(placeid BIGINT) RETURNS BOOLEAN
- AS $$
-DECLARE
- osmid BIGINT;
- osmtype character(1);
- pclass text;
- ptype text;
-BEGIN
- SELECT osm_type, osm_id, class, type FROM placex WHERE place_id = placeid INTO osmtype, osmid, pclass, ptype;
- DELETE FROM import_polygon_delete where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
- DELETE FROM import_polygon_error where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
- -- force delete from place/placex by making it a very small geometry
- UPDATE place set geometry = ST_SetSRID(ST_Point(0,0), 4326) where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
- DELETE FROM place where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
-
- RETURN TRUE;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION place_force_update(placeid BIGINT) RETURNS BOOLEAN
- AS $$
-DECLARE
- placegeom GEOMETRY;
- geom GEOMETRY;
- diameter FLOAT;
- rank INTEGER;
-BEGIN
- UPDATE placex SET indexed_status = 2 WHERE place_id = placeid;
- SELECT geometry, rank_search FROM placex WHERE place_id = placeid INTO placegeom, rank;
- IF placegeom IS NOT NULL AND ST_IsValid(placegeom) THEN
- IF ST_GeometryType(placegeom) in ('ST_Polygon','ST_MultiPolygon') THEN
- FOR geom IN select split_geometry(placegeom) FROM placex WHERE place_id = placeid LOOP
- update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry))
- AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and address ? 'place'));
- update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry))
- AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and address ? 'place'));
- END LOOP;
- ELSE
- diameter := 0;
- IF rank = 11 THEN
- diameter := 0.05;
- ELSEIF rank < 18 THEN
- diameter := 0.1;
- ELSEIF rank < 20 THEN
- diameter := 0.05;
- ELSEIF rank = 21 THEN
- diameter := 0.001;
- ELSEIF rank < 24 THEN
- diameter := 0.02;
- ELSEIF rank < 26 THEN
- diameter := 0.002; -- 100 to 200 meters
- ELSEIF rank < 28 THEN
- diameter := 0.001; -- 50 to 100 meters
- END IF;
- IF diameter > 0 THEN
- IF rank >= 26 THEN
- -- roads may cause reparenting for >27 rank places
- update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter);
- ELSEIF rank >= 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 > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null or address ? 'place');
- ELSE
- -- for all other places the search terms may change as well
- update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null);
- END IF;
- END IF;
- END IF;
- RETURN TRUE;
- END IF;
-
- RETURN FALSE;
-END;
-$$
-LANGUAGE plpgsql;