Nominatim/sql/partitions.src.sql
Sarah Hoffmann 8c7bd6beab during initial setup defer creation of non-vital until after nominatim indexing,
analyse DB during nominatim indexing so the query planer uses indexes correctly
2012-02-10 21:01:35 +00:00

374 lines
12 KiB
PL/PgSQL

drop type nearplace cascade;
create type nearplace as (
place_id BIGINT
);
drop type nearfeature cascade;
create type nearfeature as (
place_id BIGINT,
keywords int[],
rank_address integer,
rank_search integer,
distance float,
isguess boolean
);
CREATE TABLE location_area_country () INHERITS (location_area_large);
CREATE INDEX idx_location_area_country_geometry ON location_area_country USING GIST (geometry);
CREATE TABLE search_name_country () INHERITS (search_name_blank);
CREATE INDEX idx_search_name_country_place_id ON search_name_country USING BTREE (place_id);
CREATE INDEX idx_search_name_country_name_vector ON search_name_country USING GIN (name_vector) WITH (fastupdate = off);
-- start
CREATE TABLE location_area_large_-partition- () INHERITS (location_area_large);
CREATE INDEX idx_location_area_large_-partition-_place_id ON location_area_large_-partition- USING BTREE (place_id);
CREATE INDEX idx_location_area_large_-partition-_geometry ON location_area_large_-partition- USING GIST (geometry);
CREATE TABLE search_name_-partition- () INHERITS (search_name_blank);
CREATE INDEX idx_search_name_-partition-_place_id ON search_name_-partition- USING BTREE (place_id);
CREATE INDEX idx_search_name_-partition-_centroid ON search_name_-partition- USING GIST (centroid);
CREATE INDEX idx_search_name_-partition-_name_vector ON search_name_-partition- USING GIN (name_vector) WITH (fastupdate = off);
CREATE TABLE location_property_-partition- () INHERITS (location_property);
CREATE INDEX idx_location_property_-partition-_place_id ON location_property_-partition- USING BTREE (place_id);
CREATE INDEX idx_location_property_-partition-_parent_place_id ON location_property_-partition- USING BTREE (parent_place_id);
CREATE INDEX idx_location_property_-partition-_housenumber_parent_place_id ON location_property_-partition- USING BTREE (parent_place_id, housenumber);
CREATE TABLE location_road_-partition- (
partition integer,
place_id BIGINT,
country_code VARCHAR(2)
);
SELECT AddGeometryColumn('location_road_-partition-', 'geometry', 4326, 'GEOMETRY', 2);
CREATE INDEX idx_location_road_-partition-_geometry ON location_road_-partition- USING GIST (geometry);
CREATE INDEX idx_location_road_-partition-_place_id ON location_road_-partition- USING BTREE (place_id);
-- end
create or replace function getNearFeatures(in_partition INTEGER, point GEOMETRY, maxrank INTEGER, isin_tokens INT[]) RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(point, centroid)) as distance, isguess FROM (
SELECT * FROM location_area_large_-partition- WHERE ST_Contains(geometry, point) and rank_search < maxrank
UNION ALL
SELECT * FROM location_area_country WHERE ST_Contains(geometry, point) and rank_search < maxrank
) as location_area
GROUP BY place_id, keywords, rank_address, rank_search, isguess, centroid
ORDER BY rank_address desc, isin_tokens && keywords desc, isguess asc,
ST_Distance(point, centroid) *
CASE
WHEN rank_address = 16 AND rank_search = 15 THEN 0.2 -- capital city
WHEN rank_address = 16 AND rank_search = 16 THEN 0.25 -- city
WHEN rank_address = 16 AND rank_search = 17 THEN 0.5 -- town
ELSE 1 END ASC -- everything else
LOOP
RETURN NEXT r;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function deleteLocationArea(in_partition INTEGER, in_place_id BIGINT) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
-- start
IF in_partition = -partition- THEN
DELETE from location_area_large_-partition- WHERE place_id = in_place_id;
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function insertLocationAreaLarge(
in_partition INTEGER, in_place_id BIGINT, in_country_code VARCHAR(2), in_keywords INTEGER[],
in_rank_search INTEGER, in_rank_address INTEGER, in_estimate BOOLEAN,
in_centroid GEOMETRY, in_geometry GEOMETRY) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
IF in_rank_search <= 4 THEN
INSERT INTO location_area_country values (in_partition, in_place_id, in_country_code, in_keywords, in_rank_search, in_rank_address, in_estimate, in_centroid, in_geometry);
RETURN TRUE;
END IF;
-- start
IF in_partition = -partition- THEN
INSERT INTO location_area_large_-partition- values (in_partition, in_place_id, in_country_code, in_keywords, in_rank_search, in_rank_address, in_estimate, in_centroid, in_geometry);
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestNamedFeature(in_partition INTEGER, point GEOMETRY, maxrank INTEGER, isin_token INTEGER) RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, name_vector, address_rank, search_rank,
ST_Distance(centroid, point) as distance, null as isguess
FROM search_name_-partition-
WHERE name_vector @> ARRAY[isin_token]
AND search_rank < maxrank
UNION ALL
SELECT place_id, name_vector, address_rank, search_rank,
ST_Distance(centroid, point) as distance, null as isguess
FROM search_name_country
WHERE name_vector @> ARRAY[isin_token]
AND search_rank < maxrank
ORDER BY distance ASC limit 1
LOOP
RETURN NEXT r;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestNamedRoadFeature(in_partition INTEGER, point GEOMETRY, isin_token INTEGER)
RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, name_vector, address_rank, search_rank,
ST_Distance(centroid, point) as distance, null as isguess
FROM search_name_-partition-
WHERE name_vector @> ARRAY[isin_token]
AND ST_DWithin(centroid, point, 0.01)
AND search_rank between 22 and 27
ORDER BY distance ASC limit 1
LOOP
RETURN NEXT r;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestPostcode(in_partition INTEGER, point GEOMETRY)
RETURNS TEXT AS $$
DECLARE
out_postcode TEXT;
BEGIN
-- start
IF in_partition = -partition- THEN
SELECT postcode
FROM location_area_large_-partition- join placex using (place_id)
WHERE st_contains(location_area_large_-partition-.geometry, point)
AND class = 'place' and type = 'postcode'
ORDER BY st_distance(location_area_large_-partition-.centroid, point) ASC limit 1
INTO out_postcode;
RETURN out_postcode;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function insertSearchName(
in_partition INTEGER, in_place_id BIGINT, in_country_code VARCHAR(2),
in_name_vector INTEGER[], in_nameaddress_vector INTEGER[],
in_rank_search INTEGER, in_rank_address INTEGER, in_importance FLOAT,
in_centroid GEOMETRY) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
DELETE FROM search_name WHERE place_id = in_place_id;
INSERT INTO search_name values (in_place_id, in_rank_search, in_rank_address, in_importance, in_country_code,
in_name_vector, in_nameaddress_vector, in_centroid);
IF in_rank_search <= 4 THEN
DELETE FROM search_name_country WHERE place_id = in_place_id;
INSERT INTO search_name_country values (in_place_id, in_rank_search, in_rank_address, in_importance, in_country_code,
in_name_vector, in_nameaddress_vector, in_centroid);
RETURN TRUE;
END IF;
-- start
IF in_partition = -partition- THEN
DELETE FROM search_name_-partition- values WHERE place_id = in_place_id;
INSERT INTO search_name_-partition- values (in_place_id, in_rank_search, in_rank_address, 0, in_country_code,
in_name_vector, in_nameaddress_vector, in_centroid);
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function deleteSearchName(in_partition INTEGER, in_place_id BIGINT) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
DELETE from search_name WHERE place_id = in_place_id;
DELETE from search_name_country WHERE place_id = in_place_id;
-- start
IF in_partition = -partition- THEN
DELETE from search_name_-partition- WHERE place_id = in_place_id;
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function insertLocationRoad(
in_partition INTEGER, in_place_id BIGINT, in_country_code VARCHAR(2), in_geometry GEOMETRY) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
-- start
IF in_partition = -partition- THEN
DELETE FROM location_road_-partition- where place_id = in_place_id;
INSERT INTO location_road_-partition- values (in_partition, in_place_id, in_country_code, in_geometry);
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function deleteRoad(in_partition INTEGER, in_place_id BIGINT) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
-- start
IF in_partition = -partition- THEN
DELETE FROM location_road_-partition- where place_id = in_place_id;
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestRoadFeature(in_partition INTEGER, point GEOMETRY) RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
search_diameter FLOAT;
BEGIN
-- start
IF in_partition = -partition- THEN
search_diameter := 0.00005;
WHILE search_diameter < 0.1 LOOP
FOR r IN
SELECT place_id, null, null, null,
ST_Distance(geometry, point) as distance, null as isguess
FROM location_road_-partition-
WHERE ST_DWithin(geometry, point, search_diameter)
ORDER BY distance ASC limit 1
LOOP
RETURN NEXT r;
RETURN;
END LOOP;
search_diameter := search_diameter * 2;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestParellelRoadFeature(in_partition INTEGER, line GEOMETRY) RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
search_diameter FLOAT;
p1 GEOMETRY;
p2 GEOMETRY;
p3 GEOMETRY;
BEGIN
IF st_geometrytype(line) not in ('ST_LineString') THEN
RETURN;
END IF;
p1 := ST_Line_Interpolate_Point(line,0);
p2 := ST_Line_Interpolate_Point(line,0.5);
p3 := ST_Line_Interpolate_Point(line,1);
-- start
IF in_partition = -partition- THEN
search_diameter := 0.0005;
WHILE search_diameter < 0.01 LOOP
FOR r IN
SELECT place_id, null, null, null,
ST_Distance(geometry, line) as distance, null as isguess
FROM location_road_-partition-
WHERE ST_DWithin(line, geometry, search_diameter)
ORDER BY (ST_distance(geometry, p1)+
ST_distance(geometry, p2)+
ST_distance(geometry, p3)) ASC limit 1
LOOP
RETURN NEXT r;
RETURN;
END LOOP;
search_diameter := search_diameter * 2;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;