mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-11-24 06:22:08 +03:00
57facc4767
This reverts commit c2d5303192.
It causes serious performance problems in densely mapped areas.
331 lines
9.5 KiB
PL/PgSQL
331 lines
9.5 KiB
PL/PgSQL
create or replace function getNearFeatures(in_partition INTEGER, point GEOMETRY, maxrank INTEGER, isin_tokens INT[]) RETURNS setof nearfeaturecentr AS $$
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DECLARE
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r nearfeaturecentr%rowtype;
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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FOR r IN
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SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(point, centroid)) as distance, isguess, centroid FROM (
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SELECT * FROM location_area_large_-partition- WHERE ST_Contains(geometry, point) and rank_search < maxrank
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UNION ALL
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SELECT * FROM location_area_country WHERE ST_Contains(geometry, point) and rank_search < maxrank
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) as location_area
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GROUP BY place_id, keywords, rank_address, rank_search, isguess, centroid
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ORDER BY rank_address, isin_tokens && keywords desc, isguess asc,
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ST_Distance(point, centroid) *
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CASE
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WHEN rank_address = 16 AND rank_search = 15 THEN 0.2 -- capital city
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WHEN rank_address = 16 AND rank_search = 16 THEN 0.25 -- city
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WHEN rank_address = 16 AND rank_search = 17 THEN 0.5 -- town
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ELSE 1 END ASC -- everything else
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LOOP
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RETURN NEXT r;
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END LOOP;
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RETURN;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function deleteLocationArea(in_partition INTEGER, in_place_id BIGINT, in_rank_search INTEGER) RETURNS BOOLEAN AS $$
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DECLARE
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BEGIN
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IF in_rank_search <= 4 THEN
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DELETE from location_area_country WHERE place_id = in_place_id;
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RETURN TRUE;
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END IF;
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-- start
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IF in_partition = -partition- THEN
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DELETE from location_area_large_-partition- WHERE place_id = in_place_id;
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RETURN TRUE;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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RETURN FALSE;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function insertLocationAreaLarge(
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in_partition INTEGER, in_place_id BIGINT, in_country_code VARCHAR(2), in_keywords INTEGER[],
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in_rank_search INTEGER, in_rank_address INTEGER, in_estimate BOOLEAN,
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in_centroid GEOMETRY, in_geometry GEOMETRY) RETURNS BOOLEAN AS $$
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DECLARE
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BEGIN
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IF in_rank_search <= 4 THEN
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INSERT INTO location_area_country values (in_partition, in_place_id, in_country_code, in_keywords, in_rank_search, in_rank_address, in_estimate, in_centroid, in_geometry);
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RETURN TRUE;
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END IF;
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-- start
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IF in_partition = -partition- THEN
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INSERT INTO location_area_large_-partition- values (in_partition, in_place_id, in_country_code, in_keywords, in_rank_search, in_rank_address, in_estimate, in_centroid, in_geometry);
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RETURN TRUE;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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RETURN FALSE;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function getNearestNamedFeature(in_partition INTEGER, point GEOMETRY, maxrank INTEGER, isin_token INTEGER) RETURNS setof nearfeature AS $$
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DECLARE
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r nearfeature%rowtype;
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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FOR r IN
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SELECT place_id, name_vector, address_rank, search_rank,
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ST_Distance(centroid, point) as distance, null as isguess
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FROM search_name_-partition-
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WHERE name_vector @> ARRAY[isin_token]
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AND search_rank < maxrank
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UNION ALL
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SELECT place_id, name_vector, address_rank, search_rank,
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ST_Distance(centroid, point) as distance, null as isguess
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FROM search_name_country
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WHERE name_vector @> ARRAY[isin_token]
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AND search_rank < maxrank
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ORDER BY distance ASC limit 1
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LOOP
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RETURN NEXT r;
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END LOOP;
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RETURN;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function getNearestNamedRoadFeature(in_partition INTEGER, point GEOMETRY, isin_token INTEGER)
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RETURNS setof nearfeature AS $$
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DECLARE
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r nearfeature%rowtype;
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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FOR r IN
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SELECT place_id, name_vector, address_rank, search_rank,
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ST_Distance(centroid, point) as distance, null as isguess
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FROM search_name_-partition-
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WHERE name_vector @> ARRAY[isin_token]
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AND ST_DWithin(centroid, point, 0.01)
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AND search_rank between 22 and 27
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ORDER BY distance ASC limit 1
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LOOP
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RETURN NEXT r;
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END LOOP;
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RETURN;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function getNearestPostcode(in_partition INTEGER, point GEOMETRY)
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RETURNS TEXT AS $$
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DECLARE
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out_postcode TEXT;
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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SELECT postcode
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FROM location_area_large_-partition- join placex using (place_id)
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WHERE st_contains(location_area_large_-partition-.geometry, point)
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AND class = 'place' and type = 'postcode'
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ORDER BY st_distance(location_area_large_-partition-.centroid, point) ASC limit 1
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INTO out_postcode;
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RETURN out_postcode;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function insertSearchName(
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in_partition INTEGER, in_place_id BIGINT, in_country_code VARCHAR(2),
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in_name_vector INTEGER[], in_nameaddress_vector INTEGER[],
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in_rank_search INTEGER, in_rank_address INTEGER, in_importance FLOAT,
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in_centroid GEOMETRY) RETURNS BOOLEAN AS $$
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DECLARE
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BEGIN
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DELETE FROM search_name WHERE place_id = in_place_id;
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INSERT INTO search_name values (in_place_id, in_rank_search, in_rank_address, in_importance, in_country_code,
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in_name_vector, in_nameaddress_vector, in_centroid);
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IF in_rank_search <= 4 THEN
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DELETE FROM search_name_country WHERE place_id = in_place_id;
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INSERT INTO search_name_country values (in_place_id, in_rank_search, in_rank_address, in_importance, in_country_code,
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in_name_vector, in_nameaddress_vector, in_centroid);
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RETURN TRUE;
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END IF;
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-- start
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IF in_partition = -partition- THEN
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DELETE FROM search_name_-partition- values WHERE place_id = in_place_id;
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INSERT INTO search_name_-partition- values (in_place_id, in_rank_search, in_rank_address, 0, in_country_code,
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in_name_vector, in_nameaddress_vector, in_centroid);
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RETURN TRUE;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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RETURN FALSE;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function deleteSearchName(in_partition INTEGER, in_place_id BIGINT) RETURNS BOOLEAN AS $$
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DECLARE
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BEGIN
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DELETE from search_name WHERE place_id = in_place_id;
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DELETE from search_name_country WHERE place_id = in_place_id;
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-- start
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IF in_partition = -partition- THEN
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DELETE from search_name_-partition- WHERE place_id = in_place_id;
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RETURN TRUE;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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RETURN FALSE;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function insertLocationRoad(
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in_partition INTEGER, in_place_id BIGINT, in_country_code VARCHAR(2), in_geometry GEOMETRY) RETURNS BOOLEAN AS $$
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DECLARE
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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DELETE FROM location_road_-partition- where place_id = in_place_id;
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INSERT INTO location_road_-partition- values (in_partition, in_place_id, in_country_code, in_geometry);
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RETURN TRUE;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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RETURN FALSE;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function deleteRoad(in_partition INTEGER, in_place_id BIGINT) RETURNS BOOLEAN AS $$
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DECLARE
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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DELETE FROM location_road_-partition- where place_id = in_place_id;
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RETURN TRUE;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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RETURN FALSE;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function getNearestRoadFeature(in_partition INTEGER, point GEOMETRY) RETURNS setof nearfeature AS $$
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DECLARE
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r nearfeature%rowtype;
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search_diameter FLOAT;
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BEGIN
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-- start
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IF in_partition = -partition- THEN
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search_diameter := 0.00005;
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WHILE search_diameter < 0.1 LOOP
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FOR r IN
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SELECT place_id, null, null, null,
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ST_Distance(geometry, point) as distance, null as isguess
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FROM location_road_-partition-
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WHERE ST_DWithin(geometry, point, search_diameter)
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ORDER BY distance ASC limit 1
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LOOP
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RETURN NEXT r;
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RETURN;
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END LOOP;
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search_diameter := search_diameter * 2;
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END LOOP;
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RETURN;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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END
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$$
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LANGUAGE plpgsql;
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create or replace function getNearestParellelRoadFeature(in_partition INTEGER, line GEOMETRY) RETURNS setof nearfeature AS $$
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DECLARE
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r nearfeature%rowtype;
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search_diameter FLOAT;
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p1 GEOMETRY;
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p2 GEOMETRY;
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p3 GEOMETRY;
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BEGIN
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IF st_geometrytype(line) not in ('ST_LineString') THEN
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RETURN;
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END IF;
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p1 := ST_Line_Interpolate_Point(line,0);
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p2 := ST_Line_Interpolate_Point(line,0.5);
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p3 := ST_Line_Interpolate_Point(line,1);
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-- start
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IF in_partition = -partition- THEN
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search_diameter := 0.0005;
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WHILE search_diameter < 0.01 LOOP
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FOR r IN
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SELECT place_id, null, null, null,
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ST_Distance(geometry, line) as distance, null as isguess
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FROM location_road_-partition-
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WHERE ST_DWithin(line, geometry, search_diameter)
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ORDER BY (ST_distance(geometry, p1)+
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ST_distance(geometry, p2)+
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ST_distance(geometry, p3)) ASC limit 1
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LOOP
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RETURN NEXT r;
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RETURN;
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END LOOP;
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search_diameter := search_diameter * 2;
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END LOOP;
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RETURN;
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END IF;
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-- end
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RAISE EXCEPTION 'Unknown partition %', in_partition;
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END
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$$
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LANGUAGE plpgsql;
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