Nominatim/sql/partition-functions.src.sql
Sarah Hoffmann 5d98c09ee9 Add reverse-only parameter to setup
Avoids creating the search_name table. Useful when only /reverse
is used or the content is directly exported to photon.

Fixes #939.
2018-11-21 19:36:21 +01:00

296 lines
8.4 KiB
PL/PgSQL

create or replace function getNearFeatures(in_partition INTEGER, feature GEOMETRY, maxrank INTEGER, isin_tokens INT[]) RETURNS setof nearfeaturecentr AS $$
DECLARE
r nearfeaturecentr%rowtype;
BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(feature, centroid)) as distance, isguess, postcode, centroid FROM (
SELECT * FROM location_area_large_-partition- WHERE ST_Intersects(geometry, feature) and rank_search < maxrank
UNION ALL
SELECT * FROM location_area_country WHERE ST_Intersects(geometry, feature) and rank_search < maxrank
) as location_area
GROUP BY place_id, keywords, rank_address, rank_search, isguess, postcode, centroid
ORDER BY rank_address, isin_tokens && keywords desc, isguess asc,
ST_Distance(feature, centroid) *
CASE
WHEN rank_address = 16 AND rank_search = 15 THEN 0.2 -- capital city
WHEN rank_address = 16 AND rank_search = 16 THEN 0.25 -- city
WHEN rank_address = 16 AND rank_search = 17 THEN 0.5 -- town
ELSE 1 END ASC -- everything else
LOOP
RETURN NEXT r;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function deleteLocationArea(in_partition INTEGER, in_place_id BIGINT, in_rank_search INTEGER) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
IF in_rank_search <= 4 THEN
DELETE from location_area_country WHERE place_id = in_place_id;
RETURN TRUE;
END IF;
-- start
IF in_partition = -partition- THEN
DELETE from location_area_large_-partition- WHERE place_id = in_place_id;
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
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, postcode TEXT,
in_centroid GEOMETRY, in_geometry GEOMETRY) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
IF in_rank_address = 0 THEN
RETURN TRUE;
END IF;
IF in_rank_search <= 4 THEN
INSERT INTO location_area_country (partition, place_id, country_code, keywords, rank_search, rank_address, isguess, centroid, geometry)
values (in_partition, in_place_id, in_country_code, in_keywords, in_rank_search, in_rank_address, in_estimate, in_centroid, in_geometry);
RETURN TRUE;
END IF;
-- start
IF in_partition = -partition- THEN
INSERT INTO location_area_large_-partition- (partition, place_id, country_code, keywords, rank_search, rank_address, isguess, postcode, centroid, geometry)
values (in_partition, in_place_id, in_country_code, in_keywords, in_rank_search, in_rank_address, in_estimate, postcode, in_centroid, in_geometry);
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestNamedRoadFeature(in_partition INTEGER, point GEOMETRY, isin_token INTEGER[])
RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, name_vector, address_rank, search_rank,
ST_Distance(centroid, point) as distance, null as isguess
FROM search_name_-partition-
WHERE name_vector && isin_token
AND ST_DWithin(centroid, point, 0.015)
AND search_rank between 26 and 27
ORDER BY distance ASC limit 1
LOOP
RETURN NEXT r;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function getNearestNamedPlaceFeature(in_partition INTEGER, point GEOMETRY, isin_token INTEGER[])
RETURNS setof nearfeature AS $$
DECLARE
r nearfeature%rowtype;
BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, name_vector, address_rank, search_rank,
ST_Distance(centroid, point) as distance, null as isguess
FROM search_name_-partition-
WHERE name_vector && isin_token
AND ST_DWithin(centroid, point, 0.04)
AND search_rank between 16 and 22
ORDER BY distance ASC limit 1
LOOP
RETURN NEXT r;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;
create or replace function insertSearchName(
in_partition INTEGER, in_place_id BIGINT, in_name_vector INTEGER[],
in_rank_search INTEGER, in_rank_address INTEGER, in_geometry GEOMETRY)
RETURNS BOOLEAN AS $$
DECLARE
BEGIN
-- start
IF in_partition = -partition- THEN
DELETE FROM search_name_-partition- values WHERE place_id = in_place_id;
IF in_rank_address > 0 THEN
INSERT INTO search_name_-partition- (place_id, search_rank, address_rank, name_vector, centroid)
values (in_place_id, in_rank_search, in_rank_address, in_name_vector, in_geometry);
END IF;
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
LANGUAGE plpgsql;
create or replace function deleteSearchName(in_partition INTEGER, in_place_id BIGINT) RETURNS BOOLEAN AS $$
DECLARE
BEGIN
-- start
IF in_partition = -partition- THEN
DELETE from search_name_-partition- WHERE place_id = in_place_id;
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
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 $$
DECLARE
BEGIN
-- start
IF in_partition = -partition- THEN
DELETE FROM location_road_-partition- where place_id = in_place_id;
INSERT INTO location_road_-partition- (partition, place_id, country_code, geometry)
values (in_partition, in_place_id, in_country_code, in_geometry);
RETURN TRUE;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
RETURN FALSE;
END
$$
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 $$
DECLARE
r nearfeature%rowtype;
search_diameter FLOAT;
p1 GEOMETRY;
p2 GEOMETRY;
p3 GEOMETRY;
BEGIN
IF st_geometrytype(line) not in ('ST_LineString') THEN
RETURN;
END IF;
p1 := ST_LineInterpolatePoint(line,0);
p2 := ST_LineInterpolatePoint(line,0.5);
p3 := ST_LineInterpolatePoint(line,1);
-- start
IF in_partition = -partition- THEN
search_diameter := 0.0005;
WHILE search_diameter < 0.01 LOOP
FOR r IN
SELECT place_id, null, null, null,
ST_Distance(geometry, line) as distance, null as isguess
FROM location_road_-partition-
WHERE ST_DWithin(line, geometry, search_diameter)
ORDER BY (ST_distance(geometry, p1)+
ST_distance(geometry, p2)+
ST_distance(geometry, p3)) ASC limit 1
LOOP
RETURN NEXT r;
RETURN;
END LOOP;
search_diameter := search_diameter * 2;
END LOOP;
RETURN;
END IF;
-- end
RAISE EXCEPTION 'Unknown partition %', in_partition;
END
$$
LANGUAGE plpgsql;