osm-search/Nominatim
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6ccfe99dc2
Nominatim/sql/functions.sql
Sarah Hoffmann 6ccfe99dc2 fix c&p typo
2013-05-16 21:59:06 +02:00

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114 KiB
PL/PgSQL
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--DROP TRIGGER IF EXISTS place_before_insert on placex;
--DROP TRIGGER IF EXISTS place_before_update on placex;
--CREATE TYPE addresscalculationtype AS (
-- word text,
-- score integer
--);
CREATE OR REPLACE FUNCTION getclasstypekey(c text, t text) RETURNS TEXT
AS $$
DECLARE
BEGIN
RETURN c||'|'||t;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION isbrokengeometry(place geometry) RETURNS BOOLEAN
AS $$
DECLARE
NEWgeometry geometry;
BEGIN
NEWgeometry := place;
IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN
RETURN true;
END IF;
RETURN false;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION clean_geometry(place geometry) RETURNS geometry
AS $$
DECLARE
NEWgeometry geometry;
BEGIN
NEWgeometry := place;
IF ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN
NEWgeometry := ST_buffer(NEWgeometry,0);
IF ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN
RETURN ST_SetSRID(ST_Point(0,0),4326);
END IF;
END IF;
RETURN NEWgeometry;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry) RETURNS INTEGER
AS $$
DECLARE
NEWgeometry geometry;
BEGIN
-- RAISE WARNING '%',place;
NEWgeometry := ST_PointOnSurface(place);
-- IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN
-- NEWgeometry := ST_buffer(NEWgeometry,0);
-- IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN
-- RETURN 0;
-- END IF;
-- END IF;
RETURN (partition*1000000) + (500-ST_X(NEWgeometry)::integer)*1000 + (500-ST_Y(NEWgeometry)::integer);
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION transliteration(text) RETURNS text
AS '{modulepath}/nominatim.so', 'transliteration'
LANGUAGE c IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION gettokenstring(text) RETURNS text
AS '{modulepath}/nominatim.so', 'gettokenstring'
LANGUAGE c IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION make_standard_name(name TEXT) RETURNS TEXT
AS $$
DECLARE
o TEXT;
BEGIN
o := gettokenstring(transliteration(name));
RETURN trim(substr(o,1,length(o)));
END;
$$
LANGUAGE 'plpgsql' IMMUTABLE;
-- returns NULL if the word is too common
CREATE OR REPLACE FUNCTION getorcreate_word_id(lookup_word TEXT)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
count INTEGER;
BEGIN
lookup_token := trim(lookup_word);
SELECT min(word_id), max(search_name_count) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id, count;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
ELSE
IF count > get_maxwordfreq() THEN
return_word_id := NULL;
END IF;
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_housenumber_id(lookup_word TEXT)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := ' '||trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='house' into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, null, 'place', 'house', null, 0);
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_country(lookup_word TEXT, lookup_country_code varchar(2))
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := ' '||trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and country_code=lookup_country_code into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, lookup_country_code, 0);
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, lookup_class text, lookup_type text)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := ' '||trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0);
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_tagpair(lookup_class text, lookup_type text)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := lookup_class||'='||lookup_type;
SELECT min(word_id) FROM word WHERE word_token = lookup_token into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_tagpair(lookup_class text, lookup_type text)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := lookup_class||'='||lookup_type;
SELECT min(word_id) FROM word WHERE word_token = lookup_token into return_word_id;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT, lookup_class text, lookup_type text, op text)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := ' '||trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type and operator = op into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0, op);
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_name_id(lookup_word TEXT, src_word TEXT)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
nospace_lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := ' '||trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, src_word, null, null, null, 0);
-- nospace_lookup_token := replace(replace(lookup_token, '-',''), ' ','');
-- IF ' '||nospace_lookup_token != lookup_token THEN
-- INSERT INTO word VALUES (return_word_id, '-'||nospace_lookup_token, null, src_word, null, null, null, 0, null);
-- END IF;
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_name_id(lookup_word TEXT)
RETURNS INTEGER
AS $$
DECLARE
BEGIN
RETURN getorcreate_name_id(lookup_word, '');
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_word_id(lookup_word TEXT)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION get_name_id(lookup_word TEXT)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
return_word_id INTEGER;
BEGIN
lookup_token := ' '||trim(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
RETURN return_word_id;
END;
$$
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 create_country(src HSTORE, lookup_country_code varchar(2)) RETURNS VOID
AS $$
DECLARE
s TEXT;
w INTEGER;
words TEXT[];
item RECORD;
j INTEGER;
BEGIN
FOR item IN SELECT (each(src)).* LOOP
s := make_standard_name(item.value);
w := getorcreate_country(s, lookup_country_code);
words := regexp_split_to_array(item.value, E'[,;()]');
IF array_upper(words, 1) != 1 THEN
FOR j IN 1..array_upper(words, 1) LOOP
s := make_standard_name(words[j]);
IF s != '' THEN
w := getorcreate_country(s, lookup_country_code);
END IF;
END LOOP;
END IF;
END LOOP;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION make_keywords(src HSTORE) RETURNS INTEGER[]
AS $$
DECLARE
result INTEGER[];
s TEXT;
w INTEGER;
words TEXT[];
item RECORD;
j INTEGER;
BEGIN
result := '{}'::INTEGER[];
FOR item IN SELECT (each(src)).* LOOP
s := make_standard_name(item.value);
w := getorcreate_name_id(s, item.value);
IF not(ARRAY[w] <@ result) THEN
result := result || w;
END IF;
w := getorcreate_word_id(s);
IF NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
words := string_to_array(s, ' ');
IF array_upper(words, 1) IS NOT NULL THEN
FOR j IN 1..array_upper(words, 1) LOOP
IF (words[j] != '') THEN
w = getorcreate_word_id(words[j]);
IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
END IF;
END LOOP;
END IF;
words := regexp_split_to_array(item.value, E'[,;()]');
IF array_upper(words, 1) != 1 THEN
FOR j IN 1..array_upper(words, 1) LOOP
s := make_standard_name(words[j]);
IF s != '' THEN
w := getorcreate_word_id(s);
IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
END IF;
END LOOP;
END IF;
s := regexp_replace(item.value, '市$', '');
IF s != item.value THEN
s := make_standard_name(s);
IF s != '' THEN
w := getorcreate_name_id(s, item.value);
IF NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
END IF;
END IF;
END LOOP;
RETURN result;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION make_keywords(src TEXT) RETURNS INTEGER[]
AS $$
DECLARE
result INTEGER[];
s TEXT;
w INTEGER;
words TEXT[];
i INTEGER;
j INTEGER;
BEGIN
result := '{}'::INTEGER[];
s := make_standard_name(src);
w := getorcreate_name_id(s, src);
IF NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
w := getorcreate_word_id(s);
IF NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
words := string_to_array(s, ' ');
IF array_upper(words, 1) IS NOT NULL THEN
FOR j IN 1..array_upper(words, 1) LOOP
IF (words[j] != '') THEN
w = getorcreate_word_id(words[j]);
IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
END IF;
END LOOP;
END IF;
words := regexp_split_to_array(src, E'[,;()]');
IF array_upper(words, 1) != 1 THEN
FOR j IN 1..array_upper(words, 1) LOOP
s := make_standard_name(words[j]);
IF s != '' THEN
w := getorcreate_word_id(s);
IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
END IF;
END LOOP;
END IF;
s := regexp_replace(src, '市$', '');
IF s != src THEN
s := make_standard_name(s);
IF s != '' THEN
w := getorcreate_name_id(s, src);
IF NOT (ARRAY[w] <@ result) THEN
result := result || w;
END IF;
END IF;
END IF;
RETURN result;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION get_word_score(wordscores wordscore[], words text[]) RETURNS integer
AS $$
DECLARE
idxword integer;
idxscores integer;
result integer;
BEGIN
IF (wordscores is null OR words is null) THEN
RETURN 0;
END IF;
result := 0;
FOR idxword in 1 .. array_upper(words, 1) LOOP
FOR idxscores in 1 .. array_upper(wordscores, 1) LOOP
IF wordscores[idxscores].word = words[idxword] THEN
result := result + wordscores[idxscores].score;
END IF;
END LOOP;
END LOOP;
RETURN result;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION get_country_code(place geometry) RETURNS TEXT
AS $$
DECLARE
place_centre GEOMETRY;
nearcountry RECORD;
BEGIN
place_centre := ST_PointOnSurface(place);
--DEBUG: 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 not isguess and st_covers(geometry, place_centre) limit 1
LOOP
RETURN nearcountry.country_code;
END LOOP;
--DEBUG: 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;
--DEBUG: RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
-- Natural earth data
FOR nearcountry IN select country_code from country_naturalearthdata where st_covers(geometry, place_centre) limit 1
LOOP
RETURN nearcountry.country_code;
END LOOP;
--DEBUG: 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;
--DEBUG: RAISE WARNING 'near natural earth: %', ST_AsText(place_centre);
-- Natural earth data
FOR nearcountry IN select country_code from country_naturalearthdata where st_dwithin(geometry, place_centre, 0.5) limit 1
LOOP
RETURN nearcountry.country_code;
END LOOP;
-- WorldBoundaries data (second fallback - think there might be something broken in this data)
-- FOR nearcountry IN select country_code from country where st_covers(geometry, place_centre) limit 1
-- LOOP
-- RETURN nearcountry.country_code;
-- END LOOP;
--RAISE WARNING 'near country: %', ST_AsText(place_centre);
-- Still not in a country - try nearest within ~12 miles of a country
-- FOR nearcountry IN select country_code from country where st_distance(geometry, place_centre) < 0.5
-- order by st_distance(geometry, place) limit 1
-- LOOP
-- RETURN nearcountry.country_code;
-- END LOOP;
RETURN NULL;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION get_country_code(place geometry, in_country_code VARCHAR(2)) RETURNS TEXT
AS $$
DECLARE
nearcountry RECORD;
BEGIN
FOR nearcountry IN select country_code from country_name where country_code = lower(in_country_code)
LOOP
RETURN nearcountry.country_code;
END LOOP;
RETURN get_country_code(place);
END;
$$
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(place geometry, in_country_code VARCHAR(10)) RETURNS INTEGER
AS $$
DECLARE
place_centre GEOMETRY;
nearcountry RECORD;
BEGIN
FOR nearcountry IN select partition from country_name where country_code = in_country_code
LOOP
RETURN nearcountry.partition;
END LOOP;
RETURN 0;
END;
$$
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,
geometry GEOMETRY
)
RETURNS BOOLEAN
AS $$
DECLARE
locationid INTEGER;
isarea BOOLEAN;
centroid GEOMETRY;
diameter FLOAT;
x BOOLEAN;
splitGeom RECORD;
secgeo GEOMETRY;
BEGIN
IF rank_search > 25 THEN
RAISE EXCEPTION 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
END IF;
-- RAISE WARNING 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
x := deleteLocationArea(partition, place_id, rank_search);
isarea := false;
IF (ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(geometry)) THEN
isArea := true;
centroid := ST_Centroid(geometry);
FOR secgeo IN select split_geometry(geometry) AS geom LOOP
x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, centroid, secgeo);
END LOOP;
ELSEIF rank_search < 26 THEN
diameter := 0.02;
IF rank_address = 0 THEN
diameter := 0.02;
ELSEIF rank_search <= 14 THEN
diameter := 1.2;
ELSEIF rank_search <= 15 THEN
diameter := 1;
ELSEIF rank_search <= 16 THEN
diameter := 0.5;
ELSEIF rank_search <= 17 THEN
diameter := 0.2;
ELSEIF rank_search <= 21 THEN
diameter := 0.05;
ELSEIF rank_search = 25 THEN
diameter := 0.005;
END IF;
-- RAISE WARNING 'adding % diameter %', place_id, diameter;
secgeo := ST_Buffer(geometry, diameter);
x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, ST_Centroid(geometry), secgeo);
ELSE
-- ~ 20meters
secgeo := ST_Buffer(geometry, 0.0002);
x := insertLocationAreaRoadNear(partition, place_id, country_code, keywords, rank_search, rank_address, true, ST_Centroid(geometry), secgeo);
-- ~ 100meters
secgeo := ST_Buffer(geometry, 0.001);
x := insertLocationAreaRoadFar(partition, place_id, country_code, keywords, rank_search, rank_address, true, ST_Centroid(geometry), secgeo);
END IF;
RETURN true;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION update_location(
partition INTEGER,
place_id BIGINT,
place_country_code varchar(2),
name hstore,
rank_search INTEGER,
rank_address INTEGER,
geometry GEOMETRY
)
RETURNS BOOLEAN
AS $$
DECLARE
b BOOLEAN;
BEGIN
b := deleteLocationArea(partition, place_id, rank_search);
-- result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
RETURN add_location(place_id, place_country_code, name, rank_search, rank_address, geometry);
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION search_name_add_words(parent_place_id BIGINT, to_add INTEGER[])
RETURNS BOOLEAN
AS $$
DECLARE
childplace RECORD;
BEGIN
IF #to_add = 0 THEN
RETURN true;
END IF;
-- this should just be an update, but it seems to do insane things to the index size (delete and insert doesn't)
FOR childplace IN select * from search_name,place_addressline
where address_place_id = parent_place_id
and search_name.place_id = place_addressline.place_id
LOOP
delete from search_name where place_id = childplace.place_id;
IF not (ARRAY[to_add] <@ childplace.nameaddress_vector) THEN
childplace.nameaddress_vector := childplace.nameaddress_vector || to_add;
END IF;
IF childplace.place_id = parent_place_id and not (ARRAY[to_add] <@ childplace.name_vector) THEN
childplace.name_vector := childplace.name_vector || to_add;
END IF;
insert into search_name (place_id, search_rank, address_rank, country_code, name_vector, nameaddress_vector, centroid)
values (childplace.place_id, childplace.search_rank, childplace.address_rank, childplace.country_code,
childplace.name_vector, childplace.nameaddress_vector, childplace.centroid);
END LOOP;
RETURN true;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION update_location_nameonly(partition INTEGER, OLD_place_id BIGINT, name hstore) RETURNS BOOLEAN
AS $$
DECLARE
newkeywords INTEGER[];
addedkeywords INTEGER[];
removedkeywords INTEGER[];
BEGIN
-- what has changed?
newkeywords := make_keywords(name);
select coalesce(newkeywords,'{}'::INTEGER[]) - coalesce(location_point.keywords,'{}'::INTEGER[]),
coalesce(location_point.keywords,'{}'::INTEGER[]) - coalesce(newkeywords,'{}'::INTEGER[]) from location_point
where place_id = OLD_place_id into addedkeywords, removedkeywords;
-- RAISE WARNING 'update_location_nameonly for %: new:% added:% removed:%', OLD_place_id, newkeywords, addedkeywords, removedkeywords;
IF #removedkeywords > 0 THEN
-- abort due to tokens removed
RETURN false;
END IF;
IF #addedkeywords > 0 THEN
-- short circuit - no changes
RETURN true;
END IF;
UPDATE location_area set keywords = newkeywords where place_id = OLD_place_id;
RETURN search_name_add_words(OLD_place_id, addedkeywords);
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION create_interpolation(wayid BIGINT, interpolationtype TEXT) RETURNS INTEGER
AS $$
DECLARE
newpoints INTEGER;
waynodes BIGINT[];
nodeid BIGINT;
prevnode RECORD;
nextnode RECORD;
startnumber INTEGER;
endnumber INTEGER;
stepsize INTEGER;
orginalstartnumber INTEGER;
originalnumberrange INTEGER;
housenum INTEGER;
linegeo GEOMETRY;
search_place_id BIGINT;
defpostalcode TEXT;
havefirstpoint BOOLEAN;
linestr TEXT;
BEGIN
newpoints := 0;
IF interpolationtype = 'odd' OR interpolationtype = 'even' OR interpolationtype = 'all' THEN
select postcode from placex where osm_type = 'W' and osm_id = wayid INTO defpostalcode;
select nodes from planet_osm_ways where id = wayid INTO waynodes;
--RAISE WARNING 'interpolation % % %',wayid,interpolationtype,waynodes;
IF array_upper(waynodes, 1) IS NOT NULL THEN
havefirstpoint := false;
FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
select min(place_id) from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and type = 'house' INTO search_place_id;
IF search_place_id IS NULL THEN
-- null record of right type
select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and type = 'house' limit 1 INTO nextnode;
select ST_SetSRID(ST_Point(lon::float/10000000,lat::float/10000000),4326) from planet_osm_nodes where id = waynodes[nodeidpos] INTO nextnode.geometry;
IF nextnode.geometry IS NULL THEN
-- we don't have any information about this point, most likely
-- because an excerpt was updated and the node never imported
-- because the interpolation is outside the region of the excerpt.
-- Give up.
RETURN newpoints;
END IF;
ELSE
select * from placex where place_id = search_place_id INTO nextnode;
END IF;
--RAISE WARNING 'interpolation node % % % ',nextnode.housenumber,ST_X(nextnode.geometry),ST_Y(nextnode.geometry);
IF havefirstpoint THEN
-- add point to the line string
linestr := linestr||','||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
endnumber := ('0'||substring(nextnode.housenumber,'[0-9]+'))::integer;
IF startnumber IS NOT NULL and startnumber > 0 AND endnumber IS NOT NULL and endnumber > 0 AND @(startnumber - endnumber) < 1000 THEN
--RAISE WARNING 'interpolation end % % ',nextnode.place_id,endnumber;
IF startnumber != endnumber THEN
linestr := linestr || ')';
--RAISE WARNING 'linestr %',linestr;
linegeo := ST_GeomFromText(linestr,4326);
linestr := 'LINESTRING('||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
IF (startnumber > endnumber) THEN
housenum := endnumber;
endnumber := startnumber;
startnumber := housenum;
linegeo := ST_Reverse(linegeo);
END IF;
orginalstartnumber := startnumber;
originalnumberrange := endnumber - startnumber;
-- Too much broken data worldwide for this test to be worth using
-- IF originalnumberrange > 500 THEN
-- RAISE WARNING 'Number block of % while processing % %', originalnumberrange, prevnode, nextnode;
-- END IF;
IF (interpolationtype = 'odd' AND startnumber%2 = 0) OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN
startnumber := startnumber + 1;
stepsize := 2;
ELSE
IF (interpolationtype = 'odd' OR interpolationtype = 'even') THEN
startnumber := startnumber + 2;
stepsize := 2;
ELSE -- everything else assumed to be 'all'
startnumber := startnumber + 1;
stepsize := 1;
END IF;
END IF;
endnumber := endnumber - 1;
delete from placex where osm_type = 'N' and osm_id = prevnode.osm_id and type = 'house' and place_id != prevnode.place_id;
FOR housenum IN startnumber..endnumber BY stepsize LOOP
-- this should really copy postcodes but it puts a huge burdon on the system for no big benefit
-- ideally postcodes should move up to the way
insert into placex (osm_type, osm_id, class, type, admin_level, housenumber, street, addr_place, isin, postcode,
country_code, parent_place_id, rank_address, rank_search, indexed_status, geometry)
values ('N',prevnode.osm_id, prevnode.class, prevnode.type, prevnode.admin_level, housenum, prevnode.street, prevnode.addr_place, prevnode.isin, coalesce(prevnode.postcode, defpostalcode),
prevnode.country_code, prevnode.parent_place_id, prevnode.rank_address, prevnode.rank_search, 1, ST_Line_Interpolate_Point(linegeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float));
newpoints := newpoints + 1;
--RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;
END LOOP;
END IF;
havefirstpoint := false;
END IF;
END IF;
IF NOT havefirstpoint THEN
startnumber := ('0'||substring(nextnode.housenumber,'[0-9]+'))::integer;
IF startnumber IS NOT NULL AND startnumber > 0 THEN
havefirstpoint := true;
linestr := 'LINESTRING('||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
prevnode := nextnode;
END IF;
--RAISE WARNING 'interpolation start % % ',nextnode.place_id,startnumber;
END IF;
END LOOP;
END IF;
END IF;
--RAISE WARNING 'interpolation points % ',newpoints;
RETURN newpoints;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER
AS $$
DECLARE
i INTEGER;
postcode TEXT;
result BOOLEAN;
country_code VARCHAR(2);
default_language VARCHAR(10);
diameter FLOAT;
classtable TEXT;
BEGIN
--DEBUG: RAISE WARNING '% %',NEW.osm_type,NEW.osm_id;
-- just block these
IF NEW.class = 'highway' and NEW.type in ('turning_circle','traffic_signals','mini_roundabout','noexit','crossing') THEN
-- RAISE WARNING 'bad highway %',NEW.osm_id;
RETURN null;
END IF;
IF NEW.class in ('landuse','natural') and NEW.name is null THEN
-- RAISE WARNING 'empty landuse %',NEW.osm_id;
RETURN null;
END IF;
IF ST_IsEmpty(NEW.geometry) OR NOT ST_IsValid(NEW.geometry) OR ST_X(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') THEN
-- block all invalid geometary - just not worth the risk. seg faults are causing serious problems.
RAISE WARNING 'invalid geometry %',NEW.osm_id;
RETURN NULL;
-- Dead code
IF NEW.osm_type = 'R' THEN
-- invalid multipolygons can crash postgis, don't even bother to try!
RETURN NULL;
END IF;
NEW.geometry := ST_buffer(NEW.geometry,0);
IF ST_IsEmpty(NEW.geometry) OR NOT ST_IsValid(NEW.geometry) OR ST_X(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') THEN
RAISE WARNING 'Invalid geometary, rejecting: % %', NEW.osm_type, NEW.osm_id;
RETURN NULL;
END IF;
END IF;
--DEBUG: RAISE WARNING '% % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
NEW.place_id := nextval('seq_place');
NEW.indexed_status := 1; --STATUS_NEW
NEW.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
NEW.partition := get_partition(NEW.geometry, NEW.calculated_country_code);
NEW.geometry_sector := geometry_sector(NEW.partition, NEW.geometry);
-- copy 'name' to or from the default language (if there is a default language)
IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
default_language := get_country_language_code(NEW.calculated_country_code);
IF default_language IS NOT NULL THEN
IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
END IF;
END IF;
END IF;
IF NEW.admin_level > 15 THEN
NEW.admin_level := 15;
END IF;
IF NEW.housenumber IS NOT NULL THEN
i := getorcreate_housenumber_id(make_standard_name(NEW.housenumber));
END IF;
IF NEW.osm_type = 'X' THEN
-- E'X'ternal records should already be in the right format so do nothing
ELSE
NEW.rank_search := 30;
NEW.rank_address := NEW.rank_search;
-- By doing in postgres we have the country available to us - currently only used for postcode
IF NEW.class in ('place','boundary') AND NEW.type in ('postcode','postal_code') THEN
IF NEW.postcode IS NULL THEN
-- most likely just a part of a multipolygon postcode boundary, throw it away
RETURN NULL;
END IF;
NEW.name := hstore('ref', NEW.postcode);
IF NEW.calculated_country_code = 'gb' THEN
IF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9][A-Z][A-Z])$' THEN
NEW.rank_search := 25;
NEW.rank_address := 5;
ELSEIF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])$' THEN
NEW.rank_search := 23;
NEW.rank_address := 5;
ELSEIF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z])$' THEN
NEW.rank_search := 21;
NEW.rank_address := 5;
END IF;
ELSEIF NEW.calculated_country_code = 'de' THEN
IF NEW.postcode ~ '^([0-9]{5})$' THEN
NEW.rank_search := 21;
NEW.rank_address := 11;
END IF;
ELSE
-- Guess at the postcode format and coverage (!)
IF upper(NEW.postcode) ~ '^[A-Z0-9]{1,5}$' THEN -- Probably too short to be very local
NEW.rank_search := 21;
NEW.rank_address := 11;
ELSE
-- Does it look splitable into and area and local code?
postcode := substring(upper(NEW.postcode) from '^([- :A-Z0-9]+)([- :][A-Z0-9]+)$');
IF postcode IS NOT NULL THEN
NEW.rank_search := 25;
NEW.rank_address := 11;
ELSEIF NEW.postcode ~ '^[- :A-Z0-9]{6,}$' THEN
NEW.rank_search := 21;
NEW.rank_address := 11;
END IF;
END IF;
END IF;
ELSEIF NEW.class = 'place' THEN
IF NEW.type in ('continent') THEN
NEW.rank_search := 2;
NEW.rank_address := NEW.rank_search;
NEW.calculated_country_code := NULL;
ELSEIF NEW.type in ('sea') THEN
NEW.rank_search := 2;
NEW.rank_address := 0;
NEW.calculated_country_code := NULL;
ELSEIF NEW.type in ('country') THEN
NEW.rank_search := 4;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('state') THEN
NEW.rank_search := 8;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('region') THEN
NEW.rank_search := 18; -- dropped from previous value of 10
NEW.rank_address := 0; -- So badly miss-used that better to just drop it!
ELSEIF NEW.type in ('county') THEN
NEW.rank_search := 12;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('city') THEN
NEW.rank_search := 16;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('island') THEN
NEW.rank_search := 17;
NEW.rank_address := 0;
ELSEIF NEW.type in ('town') THEN
NEW.rank_search := 18;
NEW.rank_address := 16;
ELSEIF NEW.type in ('village','hamlet','municipality','district','unincorporated_area','borough') THEN
NEW.rank_search := 19;
NEW.rank_address := 16;
ELSEIF NEW.type in ('airport') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
NEW.rank_search := 18;
NEW.rank_address := 17;
ELSEIF NEW.type in ('moor') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
NEW.rank_search := 17;
NEW.rank_address := 18;
ELSEIF NEW.type in ('moor') THEN
NEW.rank_search := 17;
NEW.rank_address := 0;
ELSEIF NEW.type in ('national_park') THEN
NEW.rank_search := 18;
NEW.rank_address := 18;
ELSEIF NEW.type in ('suburb','croft','subdivision') THEN
NEW.rank_search := 20;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('farm','locality','islet','isolated_dwelling','mountain_pass') THEN
NEW.rank_search := 20;
NEW.rank_address := 0;
-- Irish townlands, tagged as place=locality and locality=townland
IF (NEW.extratags -> 'locality') = 'townland' THEN
NEW.rank_address := 20;
END IF;
ELSEIF NEW.type in ('hall_of_residence','neighbourhood','housing_estate','nature_reserve') THEN
NEW.rank_search := 22;
NEW.rank_address := 22;
ELSEIF NEW.type in ('airport','street') THEN
NEW.rank_search := 26;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('house','building') THEN
NEW.rank_search := 30;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.type in ('houses') THEN
-- can't guarantee all required nodes loaded yet due to caching in osm2pgsql
-- insert new point into place for each derived building
--i := create_interpolation(NEW.osm_id, NEW.housenumber);
NEW.rank_search := 28;
NEW.rank_address := 0;
END IF;
ELSEIF NEW.class = 'boundary' THEN
IF ST_GeometryType(NEW.geometry) NOT IN ('ST_Polygon','ST_MultiPolygon') THEN
-- RAISE WARNING 'invalid boundary %',NEW.osm_id;
return NULL;
END IF;
NEW.rank_search := NEW.admin_level * 2;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.class = 'landuse' AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
NEW.rank_search := 22;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.class = 'natural' and NEW.type in ('peak','volcano','mountain_range') THEN
NEW.rank_search := 18;
NEW.rank_address := 0;
-- any feature more than 5 square miles is probably worth indexing
ELSEIF ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_Area(NEW.geometry) > 0.1 THEN
NEW.rank_search := 22;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.class = 'highway' AND NEW.name is NULL AND
NEW.type in ('service','cycleway','path','footway','steps','bridleway','track','byway','motorway_link','primary_link','trunk_link','secondary_link','tertiary_link') THEN
-- RAISE WARNING 'unnamed minor feature %',NEW.osm_id;
RETURN NULL;
ELSEIF NEW.class = 'railway' AND NEW.type in ('rail') THEN
RETURN NULL;
ELSEIF NEW.class = 'waterway' AND NEW.name is NULL THEN
RETURN NULL;
ELSEIF NEW.class = 'waterway' THEN
NEW.rank_address := 17;
ELSEIF NEW.class = 'highway' AND NEW.osm_type != 'N' AND NEW.type in ('service','cycleway','path','footway','steps','bridleway','motorway_link','primary_link','trunk_link','secondary_link','tertiary_link') THEN
NEW.rank_search := 27;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.class = 'highway' AND NEW.osm_type != 'N' THEN
NEW.rank_search := 26;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.class = 'natural' and NEW.type = 'sea' THEN
NEW.rank_search := 4;
NEW.rank_address := NEW.rank_search;
ELSEIF NEW.class = 'natural' and NEW.type in ('coastline') THEN
RETURN NULL;
ELSEIF NEW.class = 'mountain_pass' THEN
NEW.rank_search := 20;
NEW.rank_address := 0;
END IF;
END IF;
IF NEW.rank_search > 30 THEN
NEW.rank_search := 30;
END IF;
IF NEW.rank_address > 30 THEN
NEW.rank_address := 30;
END IF;
IF (NEW.extratags -> 'capital') = 'yes' THEN
NEW.rank_search := NEW.rank_search - 1;
END IF;
-- a country code make no sense below rank 4 (country)
IF NEW.rank_address < 4 THEN
NEW.calculated_country_code := NULL;
END IF;
-- Block import below rank 22
-- IF NEW.rank_search > 22 THEN
-- RETURN NULL;
-- END IF;
--DEBUG: RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
RETURN NEW; -- @DIFFUPDATES@ The following is not needed until doing diff updates, and slows the main index process down
IF (ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(NEW.geometry)) THEN
-- Performance: We just can't handle re-indexing for country level changes
IF st_area(NEW.geometry) < 1 THEN
-- mark items within the geometry for re-indexing
-- RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
-- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
END IF;
ELSE
-- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
diameter := 0;
-- 16 = city, anything higher than city is effectively ignored (polygon required!)
IF NEW.type='postcode' THEN
diameter := 0.05;
ELSEIF NEW.rank_search < 16 THEN
diameter := 0;
ELSEIF NEW.rank_search < 18 THEN
diameter := 0.1;
ELSEIF NEW.rank_search < 20 THEN
diameter := 0.05;
ELSEIF NEW.rank_search = 21 THEN
diameter := 0.001;
ELSEIF NEW.rank_search < 24 THEN
diameter := 0.02;
ELSEIF NEW.rank_search < 26 THEN
diameter := 0.002; -- 100 to 200 meters
ELSEIF NEW.rank_search < 28 THEN
diameter := 0.001; -- 50 to 100 meters
END IF;
IF diameter > 0 THEN
-- RAISE WARNING 'placex point insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,diameter;
IF NEW.rank_search >= 26 THEN
-- roads may cause reparenting for >27 rank places
update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
ELSEIF NEW.rank_search >= 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 > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null or addr_place is not null);
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 > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null);
END IF;
END IF;
END IF;
-- add to tables for special search
-- Note: won't work on initial import because the classtype tables
-- do not yet exist. It won't hurt either.
classtable := 'place_classtype_' || NEW.class || '_' || NEW.type;
SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable INTO result;
IF result THEN
EXECUTE 'INSERT INTO ' || classtable::regclass || ' (place_id, centroid) VALUES ($1,$2)'
USING NEW.place_id, ST_Centroid(NEW.geometry);
END IF;
-- IF NEW.rank_search < 26 THEN
-- RAISE WARNING 'placex insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
-- END IF;
RETURN NEW;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION placex_update() RETURNS
TRIGGER
AS $$
DECLARE
place_centroid GEOMETRY;
search_maxdistance FLOAT[];
search_mindistance FLOAT[];
address_havelevel BOOLEAN[];
-- search_scores wordscore[];
-- search_scores_pos INTEGER;
i INTEGER;
iMax FLOAT;
location RECORD;
way RECORD;
relation RECORD;
relation_members TEXT[];
relMember RECORD;
linkedplacex RECORD;
search_diameter FLOAT;
search_prevdiameter FLOAT;
search_maxrank INTEGER;
address_maxrank INTEGER;
address_street_word_id INTEGER;
parent_place_id_rank BIGINT;
isin TEXT[];
isin_tokens INT[];
location_rank_search INTEGER;
location_distance FLOAT;
location_parent GEOMETRY;
location_isaddress BOOLEAN;
tagpairid INTEGER;
default_language TEXT;
name_vector INTEGER[];
nameaddress_vector INTEGER[];
linked_node_id BIGINT;
result BOOLEAN;
BEGIN
-- deferred delete
IF OLD.indexed_status = 100 THEN
--DEBUG: RAISE WARNING 'placex_update_delete % %',NEW.osm_type,NEW.osm_id;
delete from placex 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;
--DEBUG: RAISE WARNING 'placex_update % %',NEW.osm_type,NEW.osm_id;
--RAISE WARNING '%',NEW.place_id;
--RAISE WARNING '%', NEW;
IF NEW.class = 'place' AND NEW.type = 'postcodearea' THEN
-- Silently do nothing
RETURN NEW;
END IF;
-- TODO: this test is now redundant?
IF OLD.indexed_status != 0 THEN
NEW.indexed_date = now();
result := deleteSearchName(NEW.partition, NEW.place_id);
DELETE FROM place_addressline WHERE place_id = NEW.place_id;
DELETE FROM place_boundingbox where place_id = NEW.place_id;
result := deleteRoad(NEW.partition, NEW.place_id);
result := deleteLocationArea(NEW.partition, NEW.place_id, NEW.rank_search);
UPDATE placex set linked_place_id = null where linked_place_id = NEW.place_id;
IF NEW.linked_place_id is not null THEN
RETURN NEW;
END IF;
IF NEW.class = 'place' AND NEW.type = 'houses' THEN
i := create_interpolation(NEW.osm_id, NEW.housenumber);
RETURN NEW;
END IF;
-- Speed up searches - just use the centroid of the feature
-- cheaper but less acurate
place_centroid := ST_PointOnSurface(NEW.geometry);
NEW.centroid := null;
-- reclaculate country and partition
IF NEW.rank_search >= 4 THEN
--NEW.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
NEW.calculated_country_code := lower(get_country_code(place_centroid));
ELSE
NEW.calculated_country_code := NULL;
END IF;
NEW.partition := get_partition(place_centroid, NEW.calculated_country_code);
NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
-- Adding ourselves to the list simplifies address calculations later
INSERT INTO place_addressline VALUES (NEW.place_id, NEW.place_id, true, true, 0, NEW.rank_address);
-- What level are we searching from
search_maxrank := NEW.rank_search;
-- Thought this wasn't needed but when we add new languages to the country_name table
-- we need to update the existing names
IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
default_language := get_country_language_code(NEW.calculated_country_code);
IF default_language IS NOT NULL THEN
IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
END IF;
END IF;
END IF;
-- Initialise the name vector using our name
name_vector := make_keywords(NEW.name);
nameaddress_vector := '{}'::int[];
-- some tag combinations add a special id for search
tagpairid := get_tagpair(NEW.class,NEW.type);
IF tagpairid IS NOT NULL THEN
name_vector := name_vector + tagpairid;
END IF;
FOR i IN 1..28 LOOP
address_havelevel[i] := false;
END LOOP;
NEW.importance := null;
select language||':'||title,importance from get_wikipedia_match(NEW.extratags, NEW.calculated_country_code) INTO NEW.wikipedia,NEW.importance;
IF NEW.importance IS NULL THEN
select language||':'||title,importance from wikipedia_article where osm_type = NEW.osm_type and osm_id = NEW.osm_id order by importance desc limit 1 INTO NEW.wikipedia,NEW.importance;
END IF;
--RAISE WARNING 'before low level% %', NEW.place_id, NEW.rank_search;
-- For low level elements we inherit from our parent road
IF (NEW.rank_search > 27 OR (NEW.type = 'postcode' AND NEW.rank_search = 25)) THEN
--RAISE WARNING 'finding street for %', NEW;
-- We won't get a better centroid, besides these places are too small to care
NEW.centroid := place_centroid;
NEW.parent_place_id := null;
-- to do that we have to find our parent road
-- Copy data from linked items (points on ways, addr:street links, relations)
-- Note that addr:street links can only be indexed once the street itself is indexed
IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
-- Is this node part of a relation?
FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY['n'||NEW.osm_id]
LOOP
-- At the moment we only process one type of relation - associatedStreet
IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
--RAISE WARNING 'node in relation %',relation;
SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint
and rank_search = 26 INTO NEW.parent_place_id;
END IF;
END LOOP;
END IF;
END LOOP;
--RAISE WARNING 'x1';
-- Is this node part of a way?
FOR way IN select id from planet_osm_ways where nodes @> ARRAY[NEW.osm_id] LOOP
--RAISE WARNING '%', way;
FOR location IN select * from placex where osm_type = 'W' and osm_id = way.id
LOOP
--RAISE WARNING '%', location;
-- Way IS a road then we are on it - that must be our road
IF location.rank_search = 26 AND NEW.parent_place_id IS NULL THEN
--RAISE WARNING 'node in way that is a street %',location;
NEW.parent_place_id := location.place_id;
END IF;
-- Is the WAY part of a relation
IF NEW.parent_place_id IS NULL THEN
FOR relation IN select * from planet_osm_rels where parts @> ARRAY[location.osm_id] and members @> ARRAY['w'||location.osm_id]
LOOP
-- At the moment we only process one type of relation - associatedStreet
IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
--RAISE WARNING 'node in way that is in a relation %',relation;
SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint
and rank_search = 26 INTO NEW.parent_place_id;
END IF;
END LOOP;
END IF;
END LOOP;
END IF;
-- If the way contains an explicit name of a street copy it
IF NEW.street IS NULL AND NEW.addr_place IS NULL AND location.street IS NOT NULL THEN
--RAISE WARNING 'node in way that has a streetname %',location;
NEW.street := location.street;
END IF;
-- IF the way contains an explicit name of a place copy it
IF NEW.addr_place IS NULL AND NEW.street IS NULL AND location.addr_place IS NOT NULL THEN
NEW.addr_place := location.addr_place;
END IF;
-- If this way is a street interpolation line then it is probably as good as we are going to get
IF NEW.parent_place_id IS NULL AND NEW.street IS NULL AND NEW.addr_place IS NULL AND location.class = 'place' and location.type='houses' THEN
-- Try and find a way that is close roughly parellel to this line
FOR relation IN SELECT place_id FROM placex
WHERE ST_DWithin(location.geometry, placex.geometry, 0.001) and placex.rank_search = 26
and st_geometrytype(location.geometry) in ('ST_LineString')
ORDER BY (ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,0))+
ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,0.5))+
ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,1))) ASC limit 1
LOOP
--RAISE WARNING 'using nearest street to address interpolation line,0.001 %',relation;
NEW.parent_place_id := relation.place_id;
END LOOP;
END IF;
END LOOP;
END LOOP;
END IF;
--RAISE WARNING 'x2';
IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'W' THEN
-- Is this way part of a relation?
FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY['w'||NEW.osm_id]
LOOP
-- At the moment we only process one type of relation - associatedStreet
IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
--RAISE WARNING 'way that is in a relation %',relation;
SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint
and rank_search = 26 INTO NEW.parent_place_id;
END IF;
END LOOP;
END IF;
END LOOP;
END IF;
--RAISE WARNING 'x3 %',NEW.parent_place_id;
IF NEW.parent_place_id IS NULL AND NEW.street IS NOT NULL THEN
address_street_word_id := get_name_id(make_standard_name(NEW.street));
IF address_street_word_id IS NOT NULL THEN
FOR location IN SELECT * from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_id) LOOP
NEW.parent_place_id := location.place_id;
END LOOP;
END IF;
END IF;
IF NEW.parent_place_id IS NULL AND NEW.addr_place IS NOT NULL THEN
address_street_word_id := get_name_id(make_standard_name(NEW.addr_place));
IF address_street_word_id IS NOT NULL THEN
FOR location IN SELECT * from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_id) LOOP
NEW.parent_place_id := location.place_id;
END LOOP;
END IF;
END IF;
--RAISE WARNING 'x4 %',NEW.parent_place_id;
-- Still nothing, just use the nearest road
IF NEW.parent_place_id IS NULL THEN
FOR location IN SELECT place_id FROM getNearestRoadFeature(NEW.partition, place_centroid) LOOP
NEW.parent_place_id := location.place_id;
END LOOP;
END IF;
--return NEW;
--RAISE WARNING 'x6 %',NEW.parent_place_id;
-- If we didn't find any road fallback to standard method
IF NEW.parent_place_id IS NOT NULL THEN
-- Add the street to the address as zero distance to force to front of list
-- INSERT INTO place_addressline VALUES (NEW.place_id, NEW.parent_place_id, true, true, 0, 26);
address_havelevel[26] := true;
-- Import address details from parent, reclculating distance in process
-- INSERT INTO place_addressline select NEW.place_id, x.address_place_id, x.fromarea, x.isaddress, ST_distance(NEW.geometry, placex.geometry), placex.rank_address
-- from place_addressline as x join placex on (address_place_id = placex.place_id)
-- where x.place_id = NEW.parent_place_id and x.address_place_id != NEW.parent_place_id;
-- Get the details of the parent road
select * from search_name where place_id = NEW.parent_place_id INTO location;
NEW.calculated_country_code := location.country_code;
--RAISE WARNING '%', NEW.name;
-- If there is no name it isn't searchable, don't bother to create a search record
IF NEW.name is NULL THEN
return NEW;
END IF;
-- Merge address from parent
nameaddress_vector := array_merge(nameaddress_vector, location.nameaddress_vector);
nameaddress_vector := array_merge(nameaddress_vector, location.name_vector);
--return NEW;
-- Performance, it would be more acurate to do all the rest of the import process but it takes too long
-- Just be happy with inheriting from parent road only
IF NEW.rank_search <= 25 THEN
result := add_location(NEW.place_id, NEW.calculated_country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
END IF;
result := insertSearchName(NEW.partition, NEW.place_id, NEW.calculated_country_code, name_vector, nameaddress_vector, NEW.rank_search, NEW.rank_address, NEW.importance, place_centroid, NEW.geometry);
return NEW;
END IF;
END IF;
-- RAISE WARNING ' INDEXING Started:';
-- RAISE WARNING ' INDEXING: %',NEW;
IF NEW.osm_type = 'R' AND NEW.rank_search < 26 THEN
-- see if we have any special relation members
select members from planet_osm_rels where id = NEW.osm_id INTO relation_members;
-- RAISE WARNING 'get_osm_rel_members, label';
IF relation_members IS NOT NULL THEN
FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['label']) as member LOOP
FOR linkedPlacex IN select * from placex where osm_type = upper(substring(relMember.member,1,1))::char(1)
and osm_id = substring(relMember.member,2,10000)::bigint order by rank_search desc limit 1 LOOP
-- If we don't already have one use this as the centre point of the geometry
IF NEW.centroid IS NULL THEN
NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
END IF;
-- merge in the label name, re-init word vector
IF NOT linkedPlacex.name IS NULL THEN
NEW.name := linkedPlacex.name || NEW.name;
name_vector := array_merge(name_vector, make_keywords(linkedPlacex.name));
END IF;
-- merge in extra tags
IF NOT linkedPlacex.extratags IS NULL THEN
NEW.extratags := linkedPlacex.extratags || NEW.extratags;
END IF;
IF NOT NEW.extratags ? linkedPlacex.class THEN
NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
END IF;
-- mark the linked place (excludes from search results)
UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
END LOOP;
END LOOP;
IF NEW.centroid IS NULL THEN
FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['admin_center','admin_centre']) as member LOOP
FOR linkedPlacex IN select * from placex where osm_type = upper(substring(relMember.member,1,1))::char(1)
and osm_id = substring(relMember.member,2,10000)::bigint order by rank_search desc limit 1 LOOP
-- For an admin centre we also want a name match - still not perfect, for example 'new york, new york'
-- But that can be fixed by explicitly setting the label in the data
IF make_standard_name(NEW.name->'name') = make_standard_name(linkedPlacex.name->'name')
AND NEW.rank_address = linkedPlacex.rank_address THEN
-- If we don't already have one use this as the centre point of the geometry
IF NEW.centroid IS NULL THEN
NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
END IF;
-- merge in the name, re-init word vector
IF NOT linkedPlacex.name IS NULL THEN
NEW.name := linkedPlacex.name || NEW.name;
name_vector := make_keywords(NEW.name);
END IF;
-- merge in extra tags
IF NOT linkedPlacex.extratags IS NULL THEN
NEW.extratags := linkedPlacex.extratags || NEW.extratags;
END IF;
IF NOT NEW.extratags ? linkedPlacex.class THEN
NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
END IF;
-- mark the linked place (excludes from search results)
UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
-- keep a note of the node id in case we need it for wikipedia in a bit
linked_node_id := linkedPlacex.osm_id;
END IF;
END LOOP;
END LOOP;
END IF;
END IF;
-- not found one yet? how about doing a name search
IF NEW.centroid IS NULL AND (NEW.name->'name') is not null and make_standard_name(NEW.name->'name') != '' THEN
FOR linkedPlacex IN select placex.* from placex WHERE
make_standard_name(name->'name') = make_standard_name(NEW.name->'name')
AND placex.rank_address = NEW.rank_address
AND placex.place_id != NEW.place_id
AND placex.osm_type = 'N'::char(1) AND placex.rank_search < 26
AND st_covers(NEW.geometry, placex.geometry)
LOOP
-- If we don't already have one use this as the centre point of the geometry
IF NEW.centroid IS NULL THEN
NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
END IF;
-- merge in the name, re-init word vector
NEW.name := linkedPlacex.name || NEW.name;
name_vector := make_keywords(NEW.name);
-- merge in extra tags
NEW.extratags := linkedPlacex.extratags || NEW.extratags;
IF NOT NEW.extratags ? linkedPlacex.class THEN
NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
END IF;
-- mark the linked place (excludes from search results)
UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
-- keep a note of the node id in case we need it for wikipedia in a bit
linked_node_id := linkedPlacex.osm_id;
END LOOP;
END IF;
IF NEW.centroid IS NOT NULL THEN
place_centroid := NEW.centroid;
-- Place might have had only a name tag before but has now received translations
-- from the linked place. Make sure a name tag for the default language exists in
-- this case.
IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
default_language := get_country_language_code(NEW.calculated_country_code);
IF default_language IS NOT NULL THEN
IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
END IF;
END IF;
END IF;
END IF;
-- Did we gain a wikipedia tag in the process? then we need to recalculate our importance
IF NEW.importance is null THEN
select language||':'||title,importance from get_wikipedia_match(NEW.extratags, NEW.calculated_country_code) INTO NEW.wikipedia,NEW.importance;
END IF;
-- Still null? how about looking it up by the node id
IF NEW.importance IS NULL THEN
select language||':'||title,importance from wikipedia_article where osm_type = 'N'::char(1) and osm_id = linked_node_id order by importance desc limit 1 INTO NEW.wikipedia,NEW.importance;
END IF;
END IF;
-- make sure all names are in the word table
IF NEW.admin_level = 2 AND NEW.class = 'boundary' AND NEW.type = 'administrative' AND NEW.country_code IS NOT NULL THEN
perform create_country(NEW.name, lower(NEW.country_code));
END IF;
NEW.parent_place_id = 0;
parent_place_id_rank = 0;
-- convert isin to array of tokenids
isin_tokens := '{}'::int[];
IF NEW.isin IS NOT NULL THEN
isin := regexp_split_to_array(NEW.isin, E'[;,]');
IF array_upper(isin, 1) IS NOT NULL THEN
FOR i IN 1..array_upper(isin, 1) LOOP
address_street_word_id := get_name_id(make_standard_name(isin[i]));
IF address_street_word_id IS NOT NULL AND NOT(ARRAY[address_street_word_id] <@ isin_tokens) THEN
nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
isin_tokens := isin_tokens || address_street_word_id;
END IF;
-- merge word into address vector
address_street_word_id := get_word_id(make_standard_name(isin[i]));
IF address_street_word_id IS NOT NULL THEN
nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
END IF;
END LOOP;
END IF;
END IF;
IF NEW.postcode IS NOT NULL THEN
isin := regexp_split_to_array(NEW.postcode, E'[;,]');
IF array_upper(isin, 1) IS NOT NULL THEN
FOR i IN 1..array_upper(isin, 1) LOOP
address_street_word_id := get_name_id(make_standard_name(isin[i]));
IF address_street_word_id IS NOT NULL AND NOT(ARRAY[address_street_word_id] <@ isin_tokens) THEN
nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
isin_tokens := isin_tokens || address_street_word_id;
END IF;
-- merge into address vector
address_street_word_id := get_word_id(make_standard_name(isin[i]));
IF address_street_word_id IS NOT NULL THEN
nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
END IF;
END LOOP;
END IF;
END IF;
-- for the USA we have an additional address table. Merge in zip codes from there too
IF NEW.rank_search = 26 AND NEW.calculated_country_code = 'us' THEN
FOR location IN SELECT distinct postcode from location_property_tiger where parent_place_id = NEW.place_id LOOP
address_street_word_id := get_name_id(make_standard_name(location.postcode));
nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
isin_tokens := isin_tokens || address_street_word_id;
-- also merge in the single word version
address_street_word_id := get_word_id(make_standard_name(location.postcode));
nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
END LOOP;
END IF;
-- RAISE WARNING 'ISIN: %', isin_tokens;
-- Process area matches
location_rank_search := 0;
location_distance := 0;
location_parent := NULL;
-- added ourself as address already
address_havelevel[NEW.rank_address] := true;
-- RAISE WARNING ' getNearFeatures(%,''%'',%,''%'')',NEW.partition, place_centroid, search_maxrank, isin_tokens;
FOR location IN SELECT * from getNearFeatures(NEW.partition, place_centroid, search_maxrank, isin_tokens) LOOP
--RAISE WARNING ' AREA: %',location;
IF location.rank_address != location_rank_search THEN
location_rank_search := location.rank_address;
location_distance := location.distance * 1.5;
END IF;
IF location.distance < location_distance OR NOT location.isguess THEN
location_isaddress := NOT address_havelevel[location.rank_address];
IF location_isaddress AND location.isguess AND location_parent IS NOT NULL THEN
location_isaddress := ST_Contains(location_parent,location.centroid);
END IF;
-- RAISE WARNING '% isaddress: %', location.place_id, location_isaddress;
-- Add it to the list of search terms
IF location.rank_search > 4 THEN
nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
END IF;
INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, true, location_isaddress, location.distance, location.rank_address);
IF location_isaddress THEN
address_havelevel[location.rank_address] := true;
IF NOT location.isguess THEN
SELECT geometry FROM placex WHERE place_id = location.place_id INTO location_parent;
END IF;
END IF;
--RAISE WARNING ' Terms: (%) %',location, nameaddress_vector;
IF location.rank_address > parent_place_id_rank THEN
NEW.parent_place_id = location.place_id;
parent_place_id_rank = location.rank_address;
END IF;
END IF;
END LOOP;
-- try using the isin value to find parent places
IF array_upper(isin_tokens, 1) IS NOT NULL THEN
FOR i IN 1..array_upper(isin_tokens, 1) LOOP
--RAISE WARNING ' getNearestNamedFeature: % % % %',NEW.partition, place_centroid, search_maxrank, isin_tokens[i];
IF NOT ARRAY[isin_tokens[i]] <@ nameaddress_vector THEN
FOR location IN SELECT * from getNearestNamedFeature(NEW.partition, place_centroid, search_maxrank, isin_tokens[i]) LOOP
--RAISE WARNING ' ISIN: %',location;
IF location.rank_search > 4 THEN
nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, false, NOT address_havelevel[location.rank_address], location.distance, location.rank_address);
address_havelevel[location.rank_address] := true;
IF location.rank_address > parent_place_id_rank THEN
NEW.parent_place_id = location.place_id;
parent_place_id_rank = location.rank_address;
END IF;
END IF;
END LOOP;
END IF;
END LOOP;
END IF;
-- for long ways we should add search terms for the entire length
IF st_length(NEW.geometry) > 0.05 THEN
location_rank_search := 0;
location_distance := 0;
FOR location IN SELECT * from getNearFeatures(NEW.partition, NEW.geometry, search_maxrank, isin_tokens) LOOP
IF location.rank_address != location_rank_search THEN
location_rank_search := location.rank_address;
location_distance := location.distance * 1.5;
END IF;
IF location.rank_search > 4 AND location.distance < location_distance THEN
-- Add it to the list of search terms
nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, true, false, location.distance, location.rank_address);
END IF;
END LOOP;
END IF;
-- if we have a name add this to the name search table
IF NEW.name IS NOT NULL THEN
IF NEW.rank_search <= 25 THEN
result := add_location(NEW.place_id, NEW.calculated_country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
END IF;
IF NEW.rank_search between 26 and 27 and NEW.class = 'highway' THEN
result := insertLocationRoad(NEW.partition, NEW.place_id, NEW.calculated_country_code, NEW.geometry);
END IF;
result := insertSearchName(NEW.partition, NEW.place_id, NEW.calculated_country_code, name_vector, nameaddress_vector, NEW.rank_search, NEW.rank_address, NEW.importance, place_centroid, NEW.geometry);
END IF;
-- If we've not managed to pick up a better one - default centroid
IF NEW.centroid IS NULL THEN
NEW.centroid := place_centroid;
END IF;
END IF;
RETURN NEW;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION placex_delete() RETURNS TRIGGER
AS $$
DECLARE
b BOOLEAN;
classtable TEXT;
BEGIN
-- RAISE WARNING 'placex_delete % %',OLD.osm_type,OLD.osm_id;
update placex set linked_place_id = null, indexed_status = 2 where linked_place_id = OLD.place_id and indexed_status = 0;
--DEBUG: RAISE WARNING 'placex_delete:01 % %',OLD.osm_type,OLD.osm_id;
update placex set linked_place_id = null where linked_place_id = OLD.place_id;
--DEBUG: RAISE WARNING 'placex_delete:02 % %',OLD.osm_type,OLD.osm_id;
IF OLD.rank_address < 30 THEN
-- mark everything linked to this place for re-indexing
--DEBUG: RAISE WARNING 'placex_delete:03 % %',OLD.osm_type,OLD.osm_id;
UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = OLD.place_id
and placex.place_id = place_addressline.place_id and indexed_status = 0;
--DEBUG: RAISE WARNING 'placex_delete:04 % %',OLD.osm_type,OLD.osm_id;
DELETE FROM place_addressline where address_place_id = OLD.place_id;
--DEBUG: RAISE WARNING 'placex_delete:05 % %',OLD.osm_type,OLD.osm_id;
b := deleteRoad(OLD.partition, OLD.place_id);
--DEBUG: RAISE WARNING 'placex_delete:06 % %',OLD.osm_type,OLD.osm_id;
update placex set indexed_status = 2 where parent_place_id = OLD.place_id and indexed_status = 0;
--DEBUG: RAISE WARNING 'placex_delete:07 % %',OLD.osm_type,OLD.osm_id;
END IF;
--DEBUG: RAISE WARNING 'placex_delete:08 % %',OLD.osm_type,OLD.osm_id;
IF OLD.rank_address < 26 THEN
b := deleteLocationArea(OLD.partition, OLD.place_id, OLD.rank_search);
END IF;
--DEBUG: RAISE WARNING 'placex_delete:09 % %',OLD.osm_type,OLD.osm_id;
IF OLD.name is not null THEN
b := deleteSearchName(OLD.partition, OLD.place_id);
END IF;
--DEBUG: RAISE WARNING 'placex_delete:10 % %',OLD.osm_type,OLD.osm_id;
DELETE FROM place_addressline where place_id = OLD.place_id;
--DEBUG: RAISE WARNING 'placex_delete:11 % %',OLD.osm_type,OLD.osm_id;
-- remove from tables for special search
classtable := 'place_classtype_' || OLD.class || '_' || OLD.type;
SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable INTO b;
IF b THEN
EXECUTE 'DELETE FROM ' || classtable::regclass || ' WHERE place_id = $1' USING OLD.place_id;
END IF;
--DEBUG: RAISE WARNING 'placex_delete:12 % %',OLD.osm_type,OLD.osm_id;
RETURN OLD;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
AS $$
DECLARE
placeid BIGINT;
BEGIN
--DEBUG: RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
-- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN
insert into import_polygon_delete values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type);
RETURN NULL;
END IF;
-- mark for delete
UPDATE placex set indexed_status = 100 where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type;
RETURN OLD;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION place_insert() RETURNS TRIGGER
AS $$
DECLARE
i INTEGER;
existing RECORD;
existingplacex RECORD;
existinggeometry GEOMETRY;
existingplace_id BIGINT;
result BOOLEAN;
partition INTEGER;
BEGIN
--DEBUG: RAISE WARNING '-----------------------------------------------------------------------------------';
--DEBUG: RAISE WARNING 'place_insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,st_area(NEW.geometry);
IF FALSE and NEW.osm_type = 'R' THEN
select * from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existingplacex;
--DEBUG: RAISE WARNING '%', existingplacex;
END IF;
-- Just block these - lots and pointless
IF NEW.class = 'highway' and NEW.type in ('turning_circle','traffic_signals','mini_roundabout','noexit','crossing') THEN
RETURN null;
END IF;
IF NEW.class in ('landuse','natural') and NEW.name is null THEN
RETURN null;
END IF;
IF ST_IsEmpty(NEW.geometry) OR NOT ST_IsValid(NEW.geometry) OR ST_X(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') THEN
INSERT INTO import_polygon_error values (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name, NEW.country_code,
now(), ST_IsValidReason(NEW.geometry), null, NEW.geometry);
-- RAISE WARNING 'Invalid Geometry: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
RETURN null;
END IF;
-- Patch in additional country names
IF NEW.admin_level = 2 AND NEW.type = 'administrative' AND NEW.country_code is not null THEN
select coalesce(country_name.name || NEW.name,NEW.name) from country_name where country_name.country_code = lower(NEW.country_code) INTO NEW.name;
END IF;
-- Have we already done this place?
select * from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existing;
-- Get the existing place_id
select * from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existingplacex;
-- Handle a place changing type by removing the old data
-- My generated 'place' types are causing havok because they overlap with real keys
-- TODO: move them to their own special purpose key/class to avoid collisions
IF existing.osm_type IS NULL AND (NEW.type not in ('postcode','house','houses')) THEN
DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type not in ('postcode','house','houses');
END IF;
--DEBUG: RAISE WARNING 'Existing: %',existing.osm_id;
--DEBUG: RAISE WARNING 'Existing PlaceX: %',existingplacex.place_id;
-- Log and discard
IF existing.geometry is not null AND st_isvalid(existing.geometry)
AND st_area(existing.geometry) > 0.02
AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon')
AND st_area(NEW.geometry) < st_area(existing.geometry)*0.5
THEN
INSERT INTO import_polygon_error values (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name, NEW.country_code, now(),
'Area reduced from '||st_area(existing.geometry)||' to '||st_area(NEW.geometry), existing.geometry, NEW.geometry);
RETURN null;
END IF;
DELETE from import_polygon_error where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
DELETE from import_polygon_delete where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
-- To paraphrase, if there isn't an existing item, OR if the admin level has changed, OR if it is a major change in geometry
IF existingplacex.osm_type IS NULL THEN
IF existing.osm_type IS NOT NULL THEN
DELETE from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
END IF;
-- No - process it as a new insertion (hopefully of low rank or it will be slow)
insert into placex (osm_type, osm_id, class, type, name, admin_level, housenumber,
street, addr_place, isin, postcode, country_code, extratags, geometry)
values (NEW.osm_type
,NEW.osm_id
,NEW.class
,NEW.type
,NEW.name
,NEW.admin_level
,NEW.housenumber
,NEW.street
,NEW.addr_place
,NEW.isin
,NEW.postcode
,NEW.country_code
,NEW.extratags
,NEW.geometry
);
--DEBUG: RAISE WARNING 'insert done % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,NEW.name;
RETURN NEW;
END IF;
-- Various ways to do the update
-- Debug, what's changed?
IF FALSE THEN
IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '') THEN
RAISE WARNING 'update details, name: % % % %',NEW.osm_type,NEW.osm_id,existing.name::text,NEW.name::text;
END IF;
IF coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '') THEN
RAISE WARNING 'update details, housenumber: % % % %',NEW.osm_type,NEW.osm_id,existing.housenumber,NEW.housenumber;
END IF;
IF coalesce(existing.street, '') != coalesce(NEW.street, '') THEN
RAISE WARNING 'update details, street: % % % %',NEW.osm_type,NEW.osm_id,existing.street,NEW.street;
END IF;
IF coalesce(existing.addr_place, '') != coalesce(NEW.addr_place, '') THEN
RAISE WARNING 'update details, street: % % % %',NEW.osm_type,NEW.osm_id,existing.addr_place,NEW.addr_place;
END IF;
IF coalesce(existing.isin, '') != coalesce(NEW.isin, '') THEN
RAISE WARNING 'update details, isin: % % % %',NEW.osm_type,NEW.osm_id,existing.isin,NEW.isin;
END IF;
IF coalesce(existing.postcode, '') != coalesce(NEW.postcode, '') THEN
RAISE WARNING 'update details, postcode: % % % %',NEW.osm_type,NEW.osm_id,existing.postcode,NEW.postcode;
END IF;
IF coalesce(existing.country_code, '') != coalesce(NEW.country_code, '') THEN
RAISE WARNING 'update details, country_code: % % % %',NEW.osm_type,NEW.osm_id,existing.country_code,NEW.country_code;
END IF;
END IF;
-- Special case for polygon shape changes because they tend to be large and we can be a bit clever about how we handle them
IF existing.geometry::text != NEW.geometry::text
AND ST_GeometryType(existing.geometry) in ('ST_Polygon','ST_MultiPolygon')
AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon')
THEN
-- Get the version of the geometry actually used (in placex table)
select geometry from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type into existinggeometry;
-- Performance limit
IF st_area(NEW.geometry) < 0.000000001 AND st_area(existinggeometry) < 1 THEN
-- re-index points that have moved in / out of the polygon, could be done as a single query but postgres gets the index usage wrong
update placex set indexed_status = 2 where indexed_status = 0 and
(st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
AND NOT (st_covers(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
AND rank_search > existingplacex.rank_search AND (rank_search < 28 or name is not null);
update placex set indexed_status = 2 where indexed_status = 0 and
(st_covers(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
AND NOT (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
AND rank_search > existingplacex.rank_search AND (rank_search < 28 or name is not null);
END IF;
END IF;
-- Special case - if we are just adding extra words we hack them into the search_name table rather than reindexing
IF FALSE AND existingplacex.rank_search < 26
AND coalesce(existing.housenumber, '') = coalesce(NEW.housenumber, '')
AND coalesce(existing.street, '') = coalesce(NEW.street, '')
AND coalesce(existing.addr_place, '') = coalesce(NEW.addr_place, '')
AND coalesce(existing.isin, '') = coalesce(NEW.isin, '')
AND coalesce(existing.postcode, '') = coalesce(NEW.postcode, '')
AND coalesce(existing.country_code, '') = coalesce(NEW.country_code, '')
AND coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
THEN
IF NOT update_location_nameonly(existingplacex.place_id, NEW.name) THEN
IF st_area(NEW.geometry) < 0.5 THEN
UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = existingplacex.place_id
and placex.place_id = place_addressline.place_id and indexed_status = 0
and (rank_search < 28 or name is not null);
END IF;
END IF;
ELSE
-- Anything else has changed - reindex the lot
IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
OR coalesce(existing.street, '') != coalesce(NEW.street, '')
OR coalesce(existing.addr_place, '') != coalesce(NEW.addr_place, '')
OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '') THEN
-- performance, can't take the load of re-indexing a whole country / huge area
IF st_area(NEW.geometry) < 0.5 THEN
-- UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = existingplacex.place_id
-- and placex.place_id = place_addressline.place_id and indexed_status = 0;
END IF;
END IF;
END IF;
IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
OR coalesce(existing.extratags::text, '') != coalesce(NEW.extratags::text, '')
OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
OR coalesce(existing.street, '') != coalesce(NEW.street, '')
OR coalesce(existing.addr_place, '') != coalesce(NEW.addr_place, '')
OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')
OR coalesce(existing.admin_level, 15) != coalesce(NEW.admin_level, 15)
OR existing.geometry::text != NEW.geometry::text
THEN
update place set
name = NEW.name,
housenumber = NEW.housenumber,
street = NEW.street,
addr_place = NEW.addr_place,
isin = NEW.isin,
postcode = NEW.postcode,
country_code = NEW.country_code,
extratags = NEW.extratags,
admin_level = NEW.admin_level,
geometry = NEW.geometry
where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
update placex set
name = NEW.name,
housenumber = NEW.housenumber,
street = NEW.street,
addr_place = NEW.addr_place,
isin = NEW.isin,
postcode = NEW.postcode,
country_code = NEW.country_code,
parent_place_id = null,
extratags = NEW.extratags,
admin_level = NEW.admin_level,
indexed_status = 2,
geometry = NEW.geometry
where place_id = existingplacex.place_id;
END IF;
-- Abort the add (we modified the existing place instead)
RETURN NULL;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_name_by_language(name hstore, languagepref TEXT[]) RETURNS TEXT
AS $$
DECLARE
search TEXT[];
found BOOLEAN;
BEGIN
IF name is null THEN
RETURN null;
END IF;
search := languagepref;
FOR j IN 1..array_upper(search, 1) LOOP
IF name ? search[j] AND trim(name->search[j]) != '' THEN
return trim(name->search[j]);
END IF;
END LOOP;
-- anything will do as a fallback - just take the first name type thing there is
search := avals(name);
RETURN search[1];
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION get_connected_ways(way_ids INTEGER[]) RETURNS SETOF planet_osm_ways
AS $$
DECLARE
searchnodes INTEGER[];
location RECORD;
j INTEGER;
BEGIN
searchnodes := '{}';
FOR j IN 1..array_upper(way_ids, 1) LOOP
FOR location IN
select nodes from planet_osm_ways where id = way_ids[j] LIMIT 1
LOOP
IF not (ARRAY[location.nodes] <@ searchnodes) THEN
searchnodes := searchnodes || location.nodes;
END IF;
END LOOP;
END LOOP;
RETURN QUERY select * from planet_osm_ways where nodes && searchnodes and NOT ARRAY[id] <@ way_ids;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION get_address_postcode(for_place_id BIGINT) RETURNS TEXT
AS $$
DECLARE
result TEXT[];
search TEXT[];
for_postcode TEXT;
found INTEGER;
location RECORD;
BEGIN
found := 1000;
search := ARRAY['ref'];
result := '{}';
select postcode from placex where place_id = for_place_id limit 1 into for_postcode;
FOR location IN
select rank_address,name,distance,length(name::text) as namelength
from place_addressline join placex on (address_place_id = placex.place_id)
where place_addressline.place_id = for_place_id and rank_address in (5,11)
order by rank_address desc,rank_search desc,fromarea desc,distance asc,namelength desc
LOOP
IF array_upper(search, 1) IS NOT NULL AND array_upper(location.name, 1) IS NOT NULL THEN
FOR j IN 1..array_upper(search, 1) LOOP
FOR k IN 1..array_upper(location.name, 1) LOOP
IF (found > location.rank_address AND location.name[k].key = search[j] AND location.name[k].value != '') AND NOT result @> ARRAY[trim(location.name[k].value)] AND (for_postcode IS NULL OR location.name[k].value ilike for_postcode||'%') THEN
result[(100 - location.rank_address)] := trim(location.name[k].value);
found := location.rank_address;
END IF;
END LOOP;
END LOOP;
END IF;
END LOOP;
RETURN array_to_string(result,', ');
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id BIGINT, languagepref TEXT[]) RETURNS TEXT
AS $$
DECLARE
result TEXT[];
currresult TEXT;
prevresult TEXT;
location RECORD;
BEGIN
result := '{}';
prevresult := '';
FOR location IN select * from get_addressdata(for_place_id) where isaddress order by rank_address desc LOOP
currresult := trim(get_name_by_language(location.name, languagepref));
IF currresult != prevresult AND currresult IS NOT NULL AND result[(100 - location.rank_address)] IS NULL THEN
result[(100 - location.rank_address)] := trim(get_name_by_language(location.name, languagepref));
prevresult := currresult;
END IF;
END LOOP;
RETURN array_to_string(result,', ');
END;
$$
LANGUAGE plpgsql;
DROP TYPE IF EXISTS addressline CASCADE;
create type addressline as (
place_id BIGINT,
osm_type CHAR(1),
osm_id BIGINT,
name HSTORE,
class TEXT,
type TEXT,
admin_level INTEGER,
fromarea BOOLEAN,
isaddress BOOLEAN,
rank_address INTEGER,
distance FLOAT
);
CREATE OR REPLACE FUNCTION get_addressdata(in_place_id BIGINT) RETURNS setof addressline
AS $$
DECLARE
for_place_id BIGINT;
result TEXT[];
search TEXT[];
found INTEGER;
location RECORD;
countrylocation RECORD;
searchcountrycode varchar(2);
searchhousenumber TEXT;
searchhousename HSTORE;
searchrankaddress INTEGER;
searchpostcode TEXT;
searchclass TEXT;
searchtype TEXT;
countryname HSTORE;
hadcountry BOOLEAN;
BEGIN
select parent_place_id,'us', housenumber, 30, postcode, null, 'place', 'house' from location_property_tiger
WHERE place_id = in_place_id
INTO for_place_id,searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename, searchclass, searchtype;
IF for_place_id IS NULL THEN
select parent_place_id,'us', housenumber, 30, postcode, null, 'place', 'house' from location_property_aux
WHERE place_id = in_place_id
INTO for_place_id,searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename, searchclass, searchtype;
END IF;
IF for_place_id IS NULL THEN
select parent_place_id, calculated_country_code, housenumber, rank_search, postcode, name, class, type from placex
WHERE place_id = in_place_id and rank_address = 30
INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename, searchclass, searchtype;
END IF;
IF for_place_id IS NULL THEN
for_place_id := in_place_id;
select calculated_country_code, housenumber, rank_search, postcode, null from placex where place_id = for_place_id
INTO searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename;
END IF;
--RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode;
found := 1000;
hadcountry := false;
FOR location IN
select placex.place_id, osm_type, osm_id,
CASE WHEN class = 'place' and type = 'postcode' THEN hstore('name', postcode) ELSE name END as name,
class, type, admin_level, true as fromarea, true as isaddress,
CASE WHEN rank_address = 0 THEN 100 WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
0 as distance, calculated_country_code
from placex
where place_id = for_place_id
LOOP
--RAISE WARNING '%',location;
IF searchcountrycode IS NULL AND location.calculated_country_code IS NOT NULL THEN
searchcountrycode := location.calculated_country_code;
END IF;
IF searchpostcode IS NOT NULL and location.type = 'postcode' THEN
location.isaddress := FALSE;
END IF;
IF location.rank_address = 4 AND location.isaddress THEN
hadcountry := true;
END IF;
IF location.rank_address < 4 AND NOT hadcountry THEN
select name from country_name where country_code = searchcountrycode limit 1 INTO countryname;
IF countryname IS NOT NULL THEN
countrylocation := ROW(null, null, null, countryname, 'place', 'country', null, true, true, 4, 0)::addressline;
RETURN NEXT countrylocation;
END IF;
END IF;
countrylocation := ROW(location.place_id, location.osm_type, location.osm_id, location.name, location.class,
location.type, location.admin_level, location.fromarea, location.isaddress, location.rank_address,
location.distance)::addressline;
RETURN NEXT countrylocation;
found := location.rank_address;
END LOOP;
FOR location IN
select placex.place_id, osm_type, osm_id,
CASE WHEN class = 'place' and type = 'postcode' THEN hstore('name', postcode) ELSE name END as name,
class, type, admin_level, fromarea, isaddress,
CASE WHEN address_place_id = for_place_id AND rank_address = 0 THEN 100 WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
distance,calculated_country_code
from place_addressline join placex on (address_place_id = placex.place_id)
where place_addressline.place_id = for_place_id
and (cached_rank_address > 0 AND cached_rank_address < searchrankaddress)
and address_place_id != for_place_id
and (placex.calculated_country_code IS NULL OR searchcountrycode IS NULL OR placex.calculated_country_code = searchcountrycode)
order by rank_address desc,isaddress desc,fromarea desc,distance asc,rank_search desc
LOOP
--RAISE WARNING '%',location;
IF searchcountrycode IS NULL AND location.calculated_country_code IS NOT NULL THEN
searchcountrycode := location.calculated_country_code;
END IF;
IF searchpostcode IS NOT NULL and location.type = 'postcode' THEN
location.isaddress := FALSE;
END IF;
IF location.rank_address = 4 AND location.isaddress THEN
hadcountry := true;
END IF;
IF location.rank_address < 4 AND NOT hadcountry THEN
select name from country_name where country_code = searchcountrycode limit 1 INTO countryname;
IF countryname IS NOT NULL THEN
countrylocation := ROW(null, null, null, countryname, 'place', 'country', null, true, true, 4, 0)::addressline;
RETURN NEXT countrylocation;
END IF;
END IF;
countrylocation := ROW(location.place_id, location.osm_type, location.osm_id, location.name, location.class,
location.type, location.admin_level, location.fromarea, location.isaddress, location.rank_address,
location.distance)::addressline;
RETURN NEXT countrylocation;
found := location.rank_address;
END LOOP;
IF found > 4 THEN
select name from country_name where country_code = searchcountrycode limit 1 INTO countryname;
--RAISE WARNING '% % %',found,searchcountrycode,countryname;
IF countryname IS NOT NULL THEN
location := ROW(null, null, null, countryname, 'place', 'country', null, true, true, 4, 0)::addressline;
RETURN NEXT location;
END IF;
END IF;
IF searchcountrycode IS NOT NULL THEN
location := ROW(null, null, null, hstore('ref', searchcountrycode), 'place', 'country_code', null, true, false, 4, 0)::addressline;
RETURN NEXT location;
END IF;
IF searchhousename IS NOT NULL THEN
location := ROW(in_place_id, null, null, searchhousename, searchclass, searchtype, null, true, true, 29, 0)::addressline;
-- location := ROW(in_place_id, null, null, searchhousename, 'place', 'house_name', null, true, true, 29, 0)::addressline;
RETURN NEXT location;
END IF;
IF searchhousenumber IS NOT NULL THEN
location := ROW(in_place_id, null, null, hstore('ref', searchhousenumber), 'place', 'house_number', null, true, true, 28, 0)::addressline;
RETURN NEXT location;
END IF;
IF searchpostcode IS NOT NULL THEN
location := ROW(null, null, null, hstore('ref', searchpostcode), 'place', 'postcode', null, true, true, 5, 0)::addressline;
RETURN NEXT location;
END IF;
RETURN;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_place_boundingbox(search_place_id BIGINT) RETURNS place_boundingbox
AS $$
DECLARE
result place_boundingbox;
numfeatures integer;
BEGIN
select * from place_boundingbox into result where place_id = search_place_id;
IF result.place_id IS NULL THEN
-- remove isaddress = true because if there is a matching polygon it always wins
select count(*) from place_addressline where address_place_id = search_place_id into numfeatures;
insert into place_boundingbox select place_id,
ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)),
ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)),
numfeatures, ST_Area(geometry),
geometry as area from location_area where place_id = search_place_id;
select * from place_boundingbox into result where place_id = search_place_id;
END IF;
IF result.place_id IS NULL THEN
-- TODO 0.0001
insert into place_boundingbox select address_place_id,
min(ST_Y(ST_Centroid(geometry))) as minlon,max(ST_Y(ST_Centroid(geometry))) as maxlon,
min(ST_X(ST_Centroid(geometry))) as minlat,max(ST_X(ST_Centroid(geometry))) as maxlat,
count(*), ST_Area(ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001)) as area,
ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001) as boundary
from (select * from place_addressline where address_place_id = search_place_id order by cached_rank_address limit 4000) as place_addressline join placex using (place_id)
where address_place_id = search_place_id
-- and (isaddress = true OR place_id = search_place_id)
and (st_length(geometry) < 0.01 or place_id = search_place_id)
group by address_place_id limit 1;
select * from place_boundingbox into result where place_id = search_place_id;
END IF;
return result;
END;
$$
LANGUAGE plpgsql;
-- don't do the operation if it would be slow
CREATE OR REPLACE FUNCTION get_place_boundingbox_quick(search_place_id BIGINT) RETURNS place_boundingbox
AS $$
DECLARE
result place_boundingbox;
numfeatures integer;
rank integer;
BEGIN
select * from place_boundingbox into result where place_id = search_place_id;
IF result IS NULL AND rank > 14 THEN
select count(*) from place_addressline where address_place_id = search_place_id and isaddress = true into numfeatures;
insert into place_boundingbox select place_id,
ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)),
ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)),
numfeatures, ST_Area(geometry),
geometry as area from location_area where place_id = search_place_id;
select * from place_boundingbox into result where place_id = search_place_id;
END IF;
IF result IS NULL THEN
select rank_search from placex where place_id = search_place_id into rank;
IF rank > 20 THEN
-- TODO 0.0001
insert into place_boundingbox select address_place_id,
min(ST_Y(ST_Centroid(geometry))) as minlon,max(ST_Y(ST_Centroid(geometry))) as maxlon,
min(ST_X(ST_Centroid(geometry))) as minlat,max(ST_X(ST_Centroid(geometry))) as maxlat,
count(*), ST_Area(ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001)) as area,
ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001) as boundary
from place_addressline join placex using (place_id)
where address_place_id = search_place_id
and (isaddress = true OR place_id = search_place_id)
and (st_length(geometry) < 0.01 or place_id = search_place_id)
group by address_place_id limit 1;
select * from place_boundingbox into result where place_id = search_place_id;
END IF;
END IF;
return result;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION update_place(search_place_id BIGINT) RETURNS BOOLEAN
AS $$
DECLARE
result place_boundingbox;
numfeatures integer;
BEGIN
update placex set
name = place.name,
housenumber = place.housenumber,
street = place.street,
addr_place = place.addr_place,
isin = place.isin,
postcode = place.postcode,
country_code = place.country_code,
parent_place_id = null
from place
where placex.place_id = search_place_id
and place.osm_type = placex.osm_type and place.osm_id = placex.osm_id
and place.class = placex.class and place.type = placex.type;
update placex set indexed_status = 2 where place_id = search_place_id;
update placex set indexed_status = 0 where place_id = search_place_id;
return true;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_searchrank_label(rank INTEGER) RETURNS TEXT
AS $$
DECLARE
BEGIN
IF rank < 2 THEN
RETURN 'Continent';
ELSEIF rank < 4 THEN
RETURN 'Sea';
ELSEIF rank < 8 THEN
RETURN 'Country';
ELSEIF rank < 12 THEN
RETURN 'State';
ELSEIF rank < 16 THEN
RETURN 'County';
ELSEIF rank = 16 THEN
RETURN 'City';
ELSEIF rank = 17 THEN
RETURN 'Town / Island';
ELSEIF rank = 18 THEN
RETURN 'Village / Hamlet';
ELSEIF rank = 20 THEN
RETURN 'Suburb';
ELSEIF rank = 21 THEN
RETURN 'Postcode Area';
ELSEIF rank = 22 THEN
RETURN 'Croft / Farm / Locality / Islet';
ELSEIF rank = 23 THEN
RETURN 'Postcode Area';
ELSEIF rank = 25 THEN
RETURN 'Postcode Point';
ELSEIF rank = 26 THEN
RETURN 'Street / Major Landmark';
ELSEIF rank = 27 THEN
RETURN 'Minory Street / Path';
ELSEIF rank = 28 THEN
RETURN 'House / Building';
ELSE
RETURN 'Other: '||rank;
END IF;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_addressrank_label(rank INTEGER) RETURNS TEXT
AS $$
DECLARE
BEGIN
IF rank = 0 THEN
RETURN 'None';
ELSEIF rank < 2 THEN
RETURN 'Continent';
ELSEIF rank < 4 THEN
RETURN 'Sea';
ELSEIF rank = 5 THEN
RETURN 'Postcode';
ELSEIF rank < 8 THEN
RETURN 'Country';
ELSEIF rank < 12 THEN
RETURN 'State';
ELSEIF rank < 16 THEN
RETURN 'County';
ELSEIF rank = 16 THEN
RETURN 'City';
ELSEIF rank = 17 THEN
RETURN 'Town / Village / Hamlet';
ELSEIF rank = 20 THEN
RETURN 'Suburb';
ELSEIF rank = 21 THEN
RETURN 'Postcode Area';
ELSEIF rank = 22 THEN
RETURN 'Croft / Farm / Locality / Islet';
ELSEIF rank = 23 THEN
RETURN 'Postcode Area';
ELSEIF rank = 25 THEN
RETURN 'Postcode Point';
ELSEIF rank = 26 THEN
RETURN 'Street / Major Landmark';
ELSEIF rank = 27 THEN
RETURN 'Minory Street / Path';
ELSEIF rank = 28 THEN
RETURN 'House / Building';
ELSE
RETURN 'Other: '||rank;
END IF;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_word_suggestion(srcword TEXT) RETURNS TEXT
AS $$
DECLARE
trigramtoken TEXT;
result TEXT;
BEGIN
trigramtoken := regexp_replace(make_standard_name(srcword),E'([^0-9])\\1+',E'\\1','g');
SELECT word FROM word WHERE word_trigram like ' %' and word_trigram % trigramtoken ORDER BY similarity(word_trigram, trigramtoken) DESC, word limit 1 into result;
return result;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION get_word_suggestions(srcword TEXT) RETURNS TEXT[]
AS $$
DECLARE
trigramtoken TEXT;
result TEXT[];
r RECORD;
BEGIN
trigramtoken := regexp_replace(make_standard_name(srcword),E'([^0-9])\\1+',E'\\1','g');
FOR r IN SELECT word,similarity(word_trigram, trigramtoken) as score FROM word
WHERE word_trigram like ' %' and word_trigram % trigramtoken ORDER BY similarity(word_trigram, trigramtoken) DESC, word limit 4
LOOP
result[coalesce(array_upper(result,1)+1,1)] := r.word;
END LOOP;
return result;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION aux_create_property(pointgeo GEOMETRY, in_housenumber TEXT,
in_street TEXT, in_isin TEXT, in_postcode TEXT, in_countrycode char(2)) RETURNS INTEGER
AS $$
DECLARE
newpoints INTEGER;
place_centroid GEOMETRY;
out_partition INTEGER;
out_parent_place_id BIGINT;
location RECORD;
address_street_word_id INTEGER;
out_postcode TEXT;
BEGIN
place_centroid := ST_Centroid(pointgeo);
out_partition := get_partition(place_centroid, in_countrycode);
out_parent_place_id := null;
address_street_word_id := get_name_id(make_standard_name(in_street));
IF address_street_word_id IS NOT NULL THEN
FOR location IN SELECT * from getNearestNamedRoadFeature(out_partition, place_centroid, address_street_word_id) LOOP
out_parent_place_id := location.place_id;
END LOOP;
END IF;
IF out_parent_place_id IS NULL THEN
FOR location IN SELECT place_id FROM getNearestRoadFeature(out_partition, place_centroid) LOOP
out_parent_place_id := location.place_id;
END LOOP;
END IF;
out_postcode := in_postcode;
IF out_postcode IS NULL THEN
SELECT postcode from placex where place_id = out_parent_place_id INTO out_postcode;
END IF;
IF out_postcode IS NULL THEN
out_postcode := getNearestPostcode(out_partition, place_centroid);
END IF;
newpoints := 0;
insert into location_property_aux (place_id, partition, parent_place_id, housenumber, postcode, centroid)
values (nextval('seq_place'), out_partition, out_parent_place_id, in_housenumber, out_postcode, place_centroid);
newpoints := newpoints + 1;
RETURN newpoints;
END;
$$
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;
-- See: http://stackoverflow.com/questions/6410088/how-can-i-mimic-the-php-urldecode-function-in-postgresql
CREATE OR REPLACE FUNCTION decode_url_part(p varchar) RETURNS varchar
AS $$
SELECT convert_from(CAST(E'\\x' || array_to_string(ARRAY(
SELECT CASE WHEN length(r.m[1]) = 1 THEN encode(convert_to(r.m[1], 'SQL_ASCII'), 'hex') ELSE substring(r.m[1] from 2 for 2) END
FROM regexp_matches($1, '%[0-9a-f][0-9a-f]|.', 'gi') AS r(m)
), '') AS bytea), 'UTF8');
$$
LANGUAGE SQL IMMUTABLE STRICT;
CREATE OR REPLACE FUNCTION catch_decode_url_part(p varchar) RETURNS varchar
AS $$
DECLARE
BEGIN
RETURN decode_url_part(p);
EXCEPTION
WHEN others THEN return null;
END;
$$
LANGUAGE plpgsql IMMUTABLE;
DROP TYPE wikipedia_article_match CASCADE;
create type wikipedia_article_match as (
language TEXT,
title TEXT,
importance FLOAT
);
CREATE OR REPLACE FUNCTION get_wikipedia_match(extratags HSTORE, country_code varchar(2)) RETURNS wikipedia_article_match
AS $$
DECLARE
langs TEXT[];
i INT;
wiki_article TEXT;
wiki_article_title TEXT;
wiki_article_language TEXT;
result wikipedia_article_match;
BEGIN
langs := ARRAY['english','country','ar','bg','ca','cs','da','de','en','es','eo','eu','fa','fr','ko','hi','hr','id','it','he','lt','hu','ms','nl','ja','no','pl','pt','kk','ro','ru','sk','sl','sr','fi','sv','tr','uk','vi','vo','war','zh'];
i := 1;
WHILE langs[i] IS NOT NULL LOOP
wiki_article := extratags->(case when langs[i] in ('english','country') THEN 'wikipedia' ELSE 'wikipedia:'||langs[i] END);
IF wiki_article is not null THEN
wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/wiki/',E'\\2:');
wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/w/index.php\\?title=',E'\\2:');
wiki_article := regexp_replace(wiki_article,E'^(.*?)/([a-z]{2,3})/wiki/',E'\\2:');
wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3})[=:]',E'\\2:');
wiki_article := replace(wiki_article,' ','_');
wiki_article_title := trim(split_part(wiki_article, ':', 2));
IF wiki_article_title IS NULL OR wiki_article_title = '' THEN
wiki_article_title := trim(wiki_article);
wiki_article_language := CASE WHEN langs[i] = 'english' THEN 'en' WHEN langs[i] = 'country' THEN get_country_language_code(country_code) ELSE langs[i] END;
ELSE
wiki_article_language := lower(trim(split_part(wiki_article, ':', 1)));
END IF;
select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
from wikipedia_article
where language = wiki_article_language and
(title = wiki_article_title OR title = catch_decode_url_part(wiki_article_title) OR title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
UNION ALL
select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
from wikipedia_redirect join wikipedia_article on (wikipedia_redirect.language = wikipedia_article.language and wikipedia_redirect.to_title = wikipedia_article.title)
where wikipedia_redirect.language = wiki_article_language and
(from_title = wiki_article_title OR from_title = catch_decode_url_part(wiki_article_title) OR from_title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
order by importance desc limit 1 INTO result;
IF result.language is not null THEN
return result;
END IF;
END IF;
i := i + 1;
END LOOP;
RETURN NULL;
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
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 addr_place is not null));
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 addr_place is not null));
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 addr_place is not null);
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;
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