X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/fc99954b2e8256c7d14b350e07be395bab7c6484..df115c73b21a5efcd0e0cc815a4d8228093b62d0:/sql/partition-functions.src.sql

diff --git a/sql/partition-functions.src.sql b/sql/partition-functions.src.sql
index 3959661e..ce00bcf0 100644
--- a/sql/partition-functions.src.sql
+++ b/sql/partition-functions.src.sql
@@ -1,3 +1,37 @@
+DROP TYPE IF EXISTS nearfeaturecentr CASCADE;
+CREATE TYPE nearfeaturecentr AS (
+  place_id BIGINT,
+  keywords int[],
+  rank_address smallint,
+  rank_search smallint,
+  distance float,
+  isguess boolean,
+  postcode TEXT,
+  centroid GEOMETRY
+);
+
+        -- feature intersects geoemtry
+        -- for areas and linestrings they must touch at least along a line
+CREATE OR REPLACE FUNCTION is_relevant_geometry(de9im TEXT, geom_type TEXT)
+RETURNS BOOLEAN
+AS $$
+BEGIN
+  IF substring(de9im from 1 for 2) != 'FF' THEN
+    RETURN TRUE;
+  END IF;
+
+  IF geom_type = 'ST_Point' THEN
+    RETURN substring(de9im from 4 for 1) = '0';
+  END IF;
+
+  IF geom_type in ('ST_LineString', 'ST_MultiLineString') THEN
+    RETURN substring(de9im from 4 for 1) = '1';
+  END IF;
+
+  RETURN substring(de9im from 4 for 1) = '2';
+END
+$$ LANGUAGE plpgsql IMMUTABLE;
+
 create or replace function getNearFeatures(in_partition INTEGER, feature GEOMETRY, maxrank INTEGER, isin_tokens INT[]) RETURNS setof nearfeaturecentr AS $$
 DECLARE
   r nearfeaturecentr%rowtype;
@@ -6,11 +40,11 @@ BEGIN
 -- start
   IF in_partition = -partition- THEN
     FOR r IN 
-      SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(feature, centroid)) as distance, isguess, postcode, centroid FROM (
-        SELECT * FROM location_area_large_-partition- WHERE ST_Intersects(geometry, feature) and rank_search < maxrank
-        UNION ALL
-        SELECT * FROM location_area_country WHERE ST_Intersects(geometry, feature) and rank_search < maxrank
-      ) as location_area
+      SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(feature, centroid)) as distance, isguess, postcode, centroid
+      FROM location_area_large_-partition-
+      WHERE geometry && feature
+        AND is_relevant_geometry(ST_Relate(geometry, feature), ST_GeometryType(feature))
+        AND rank_search < maxrank AND rank_address < maxrank
       GROUP BY place_id, keywords, rank_address, rank_search, isguess, postcode, centroid
       ORDER BY rank_address, isin_tokens && keywords desc, isguess asc,
         ST_Distance(feature, centroid) *
@@ -29,7 +63,7 @@ BEGIN
   RAISE EXCEPTION 'Unknown partition %', in_partition;
 END
 $$
-LANGUAGE plpgsql;
+LANGUAGE plpgsql STABLE;
 
 create or replace function deleteLocationArea(in_partition INTEGER, in_place_id BIGINT, in_rank_search INTEGER) RETURNS BOOLEAN AS $$
 DECLARE
@@ -64,9 +98,9 @@ BEGIN
     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);
+  IF in_rank_search <= 4 and not in_estimate THEN
+    INSERT INTO location_area_country (place_id, country_code, geometry)
+      values (in_place_id, in_country_code, in_geometry);
     RETURN TRUE;
   END IF;
 
@@ -84,61 +118,58 @@ END
 $$
 LANGUAGE plpgsql;
 
-create or replace function getNearestNamedRoadFeature(in_partition INTEGER, point GEOMETRY, isin_token INTEGER[]) 
-  RETURNS setof nearfeature AS $$
+CREATE OR REPLACE FUNCTION getNearestNamedRoadPlaceId(in_partition INTEGER,
+                                                      point GEOMETRY,
+                                                      isin_token INTEGER[])
+  RETURNS BIGINT
+  AS $$
 DECLARE
-  r nearfeature%rowtype;
+  parent BIGINT;
 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;
+    SELECT place_id FROM search_name_-partition-
+      INTO parent
+      WHERE name_vector && isin_token
+            AND centroid && ST_Expand(point, 0.015)
+            AND search_rank between 26 and 27
+      ORDER BY ST_Distance(centroid, point) ASC limit 1;
+    RETURN parent;
   END IF;
 -- end
 
   RAISE EXCEPTION 'Unknown partition %', in_partition;
 END
 $$
-LANGUAGE plpgsql;
+LANGUAGE plpgsql STABLE;
 
-create or replace function getNearestNamedPlaceFeature(in_partition INTEGER, point GEOMETRY, isin_token INTEGER[]) 
-  RETURNS setof nearfeature AS $$
+CREATE OR REPLACE FUNCTION getNearestNamedPlacePlaceId(in_partition INTEGER,
+                                                       point GEOMETRY,
+                                                       isin_token INTEGER[])
+  RETURNS BIGINT
+  AS $$
 DECLARE
-  r nearfeature%rowtype;
+  parent BIGINT;
 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;
+    SELECT place_id
+      INTO parent
+      FROM search_name_-partition-
+      WHERE name_vector && isin_token
+            AND centroid && ST_Expand(point, 0.04)
+            AND search_rank between 16 and 25
+      ORDER BY ST_Distance(centroid, point) ASC limit 1;
+    RETURN parent;
   END IF;
 -- end
 
   RAISE EXCEPTION 'Unknown partition %', in_partition;
 END
 $$
-LANGUAGE plpgsql;
+LANGUAGE plpgsql STABLE;
 
 
 create or replace function insertSearchName(
@@ -219,48 +250,50 @@ END
 $$
 LANGUAGE plpgsql;
 
-create or replace function getNearestRoadFeature(in_partition INTEGER, point GEOMETRY) RETURNS setof nearfeature AS $$
+CREATE OR REPLACE FUNCTION getNearestRoadPlaceId(in_partition INTEGER, point GEOMETRY)
+  RETURNS BIGINT
+  AS $$
 DECLARE
-  r nearfeature%rowtype;
-  search_diameter FLOAT;  
+  r RECORD;
+  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
+      FOR r IN
+        SELECT place_id FROM location_road_-partition-
+          WHERE ST_DWithin(geometry, point, search_diameter)
+          ORDER BY ST_Distance(geometry, point) ASC limit 1
       LOOP
-        RETURN NEXT r;
-        RETURN;
+        RETURN r.place_id;
       END LOOP;
       search_diameter := search_diameter * 2;
     END LOOP;
-    RETURN;
+    RETURN NULL;
   END IF;
 -- end
 
   RAISE EXCEPTION 'Unknown partition %', in_partition;
 END
 $$
-LANGUAGE plpgsql;
+LANGUAGE plpgsql STABLE;
 
-create or replace function getNearestParellelRoadFeature(in_partition INTEGER, line GEOMETRY) RETURNS setof nearfeature AS $$
+CREATE OR REPLACE FUNCTION getNearestParallelRoadFeature(in_partition INTEGER,
+                                                         line GEOMETRY)
+  RETURNS BIGINT
+  AS $$
 DECLARE
-  r nearfeature%rowtype;
-  search_diameter FLOAT;  
+  r RECORD;
+  search_diameter FLOAT;
   p1 GEOMETRY;
   p2 GEOMETRY;
   p3 GEOMETRY;
 BEGIN
 
-  IF st_geometrytype(line) not in ('ST_LineString') THEN
-    RETURN;
+  IF ST_GeometryType(line) not in ('ST_LineString') THEN
+    RETURN NULL;
   END IF;
 
   p1 := ST_LineInterpolatePoint(line,0);
@@ -271,25 +304,22 @@ BEGIN
   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
+      FOR r IN
+        SELECT place_id 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;
+        RETURN r.place_id;
       END LOOP;
       search_diameter := search_diameter * 2;
     END LOOP;
-    RETURN;
+    RETURN NULL;
   END IF;
 -- end
 
   RAISE EXCEPTION 'Unknown partition %', in_partition;
 END
 $$
-LANGUAGE plpgsql;
+LANGUAGE plpgsql STABLE;