Merge pull request #3575 from lonvia/improve-centroid

[nominatim.git] / lib-sql / functions / placex_triggers.sql

diff --git a/lib-sql/functions/placex_triggers.sql b/lib-sql/functions/placex_triggers.sql
index 99eebe1267acd86326db972deab6802622caadaa..9d0d73b5197e23ad0452c05c877db2f7fb3bfb54 100644 (file)
--- a/lib-sql/functions/placex_triggers.sql
+++ b/lib-sql/functions/placex_triggers.sql
@@ -119,12 +119,14 @@ CREATE OR REPLACE FUNCTION find_associated_street(poi_osm_type CHAR(1),
   AS $$
 DECLARE
   location RECORD;
   AS $$
 DECLARE
   location RECORD;

+  member JSONB;

   parent RECORD;
   result BIGINT;
   distance FLOAT;
   new_distance FLOAT;
   waygeom GEOMETRY;
 BEGIN
   parent RECORD;
   result BIGINT;
   distance FLOAT;
   new_distance FLOAT;
   waygeom GEOMETRY;
 BEGIN

+{% if db.middle_db_format == '1' %}

   FOR location IN
     SELECT members FROM planet_osm_rels
     WHERE parts @> ARRAY[poi_osm_id]
   FOR location IN
     SELECT members FROM planet_osm_rels
     WHERE parts @> ARRAY[poi_osm_id]


@@ -161,6 +163,40 @@ BEGIN
     END LOOP;
   END LOOP;
 
     END LOOP;
   END LOOP;
 

+{% else %}
+  FOR member IN
+    SELECT value FROM planet_osm_rels r, LATERAL jsonb_array_elements(members)
+    WHERE planet_osm_member_ids(members, poi_osm_type::char(1)) && ARRAY[poi_osm_id]
+          and tags->>'type' = 'associatedStreet'
+          and value->>'role' = 'street'
+  LOOP
+    FOR parent IN
+      SELECT place_id, geometry
+       FROM placex
+       WHERE osm_type = (member->>'type')::char(1)
+             and osm_id = (member->>'ref')::bigint
+             and name is not null
+             and rank_search between 26 and 27
+    LOOP
+      -- Find the closest 'street' member.
+      -- Avoid distance computation for the frequent case where there is
+      -- only one street member.
+      IF waygeom is null THEN
+        result := parent.place_id;
+        waygeom := parent.geometry;
+      ELSE
+        distance := coalesce(distance, ST_Distance(waygeom, bbox));
+        new_distance := ST_Distance(parent.geometry, bbox);
+        IF new_distance < distance THEN
+          distance := new_distance;
+          result := parent.place_id;
+          waygeom := parent.geometry;
+        END IF;
+      END IF;
+    END LOOP;
+  END LOOP;
+{% endif %}
+

   RETURN result;
 END;
 $$
   RETURN result;
 END;
 $$


@@ -257,7 +293,11 @@ CREATE OR REPLACE FUNCTION find_linked_place(bnd placex)
   RETURNS placex
   AS $$
 DECLARE
   RETURNS placex
   AS $$
 DECLARE

+{% if db.middle_db_format == '1' %}

   relation_members TEXT[];
   relation_members TEXT[];

+{% else %}
+  relation_members JSONB;
+{% endif %}

   rel_member RECORD;
   linked_placex placex%ROWTYPE;
   bnd_name TEXT;
   rel_member RECORD;
   linked_placex placex%ROWTYPE;
   bnd_name TEXT;


@@ -441,24 +481,20 @@ BEGIN
     name_vector := array_merge(name_vector, hnr_vector);
   END IF;
 
     name_vector := array_merge(name_vector, hnr_vector);
   END IF;
 

-  IF is_place_addr THEN
-    addr_place_ids := token_addr_place_search_tokens(token_info);
-    IF not addr_place_ids <@ parent_name_vector THEN
-      -- make sure addr:place terms are always searchable
-      nameaddress_vector := array_merge(nameaddress_vector, addr_place_ids);
-      -- If there is a housenumber, also add the place name as a name,
-      -- so we can search it by the usual housenumber+place algorithms.
-      IF hnr_vector is not null THEN
-        name_vector := array_merge(name_vector, addr_place_ids);
-      END IF;
-    END IF;
-  END IF;
-

   -- Cheating here by not recomputing all terms but simply using the ones
   -- from the parent object.
   nameaddress_vector := array_merge(nameaddress_vector, parent_name_vector);
   nameaddress_vector := array_merge(nameaddress_vector, parent_address_vector);
 
   -- Cheating here by not recomputing all terms but simply using the ones
   -- from the parent object.
   nameaddress_vector := array_merge(nameaddress_vector, parent_name_vector);
   nameaddress_vector := array_merge(nameaddress_vector, parent_address_vector);
 

+  -- make sure addr:place terms are always searchable
+  IF is_place_addr THEN
+    addr_place_ids := token_addr_place_search_tokens(token_info);
+    IF hnr_vector is not null AND not addr_place_ids <@ parent_name_vector
+    THEN
+      name_vector := array_merge(name_vector, hnr_vector);
+    END IF;
+    nameaddress_vector := array_merge(nameaddress_vector, addr_place_ids);
+  END IF;

 END;
 $$
 LANGUAGE plpgsql;
 END;
 $$
 LANGUAGE plpgsql;


@@ -632,7 +668,7 @@ BEGIN
   NEW.place_id := nextval('seq_place');
   NEW.indexed_status := 1; --STATUS_NEW
 
   NEW.place_id := nextval('seq_place');
   NEW.indexed_status := 1; --STATUS_NEW
 

-  NEW.centroid := ST_PointOnSurface(NEW.geometry);
+  NEW.centroid := get_center_point(NEW.geometry);

   NEW.country_code := lower(get_country_code(NEW.centroid));
 
   NEW.partition := get_partition(NEW.country_code);
   NEW.country_code := lower(get_country_code(NEW.centroid));
 
   NEW.partition := get_partition(NEW.country_code);


@@ -691,10 +727,12 @@ BEGIN
 {% if not disable_diff_updates %}
   -- The following is not needed until doing diff updates, and slows the main index process down
 
 {% if not disable_diff_updates %}
   -- The following is not needed until doing diff updates, and slows the main index process down
 

-  IF NEW.rank_address > 0 THEN
+  IF NEW.rank_address between 2 and 27 THEN

     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_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
+      IF (NEW.rank_address < 26 and st_area(NEW.geometry) < 1)
+         OR (NEW.rank_address >= 26 and st_area(NEW.geometry) < 0.01)
+      THEN

         -- mark items within the geometry for re-indexing
   --    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 
         -- mark items within the geometry for re-indexing
   --    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 


@@ -709,9 +747,11 @@ BEGIN
                     or name is not null
                     or (NEW.rank_address >= 16 and address ? 'place'));
       END IF;
                     or name is not null
                     or (NEW.rank_address >= 16 and address ? 'place'));
       END IF;

-    ELSE
+    ELSEIF ST_GeometryType(NEW.geometry) not in ('ST_LineString', 'ST_MultiLineString')
+           OR ST_Length(NEW.geometry) < 0.5
+    THEN

       -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
       -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(

-      diameter := update_place_diameter(NEW.rank_search);
+      diameter := update_place_diameter(NEW.rank_address);

       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
       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


@@ -755,7 +795,11 @@ CREATE OR REPLACE FUNCTION placex_update()
 DECLARE
   i INTEGER;
   location RECORD;
 DECLARE
   i INTEGER;
   location RECORD;

+{% if db.middle_db_format == '1' %}

   relation_members TEXT[];
   relation_members TEXT[];

+{% else %}
+  relation_member JSONB;
+{% endif %}

 
   geom GEOMETRY;
   parent_address_level SMALLINT;
 
   geom GEOMETRY;
   parent_address_level SMALLINT;


@@ -826,7 +870,7 @@ BEGIN
   END IF;
 
   -- Compute a preliminary centroid.
   END IF;
 
   -- Compute a preliminary centroid.

-  NEW.centroid := ST_PointOnSurface(NEW.geometry);
+  NEW.centroid := get_center_point(NEW.geometry);

 
     -- recalculate country and partition
   IF NEW.rank_search = 4 AND NEW.address is not NULL AND NEW.address ? 'country' THEN
 
     -- recalculate country and partition
   IF NEW.rank_search = 4 AND NEW.address is not NULL AND NEW.address ? 'country' THEN


@@ -977,6 +1021,7 @@ BEGIN
 
   -- waterway ways are linked when they are part of a relation and have the same class/type
   IF NEW.osm_type = 'R' and NEW.class = 'waterway' THEN
 
   -- waterway ways are linked when they are part of a relation and have the same class/type
   IF NEW.osm_type = 'R' and NEW.class = 'waterway' THEN

+{% if db.middle_db_format == '1' %}

       FOR relation_members IN select members from planet_osm_rels r where r.id = NEW.osm_id and r.parts != array[]::bigint[]
       LOOP
           FOR i IN 1..array_upper(relation_members, 1) BY 2 LOOP
       FOR relation_members IN select members from planet_osm_rels r where r.id = NEW.osm_id and r.parts != array[]::bigint[]
       LOOP
           FOR i IN 1..array_upper(relation_members, 1) BY 2 LOOP


@@ -995,6 +1040,29 @@ BEGIN
               END IF;
           END LOOP;
       END LOOP;
               END IF;
           END LOOP;
       END LOOP;

+{% else %}
+    FOR relation_member IN
+      SELECT value FROM planet_osm_rels r, LATERAL jsonb_array_elements(r.members)
+      WHERE r.id = NEW.osm_id
+    LOOP
+      IF relation_member->>'role' IN ('', 'main_stream', 'side_stream')
+         and relation_member->>'type' = 'W'
+      THEN
+        {% if debug %}RAISE WARNING 'waterway parent %, child %', NEW.osm_id, relation_member;{% endif %}
+        FOR linked_node_id IN
+          SELECT place_id FROM placex
+          WHERE osm_type = 'W' and osm_id = (relation_member->>'ref')::bigint
+                and class = NEW.class and type in ('river', 'stream', 'canal', 'drain', 'ditch')
+                and (relation_member->>'role' != 'side_stream' or NEW.name->'name' = name->'name')
+        LOOP
+          UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = linked_node_id;
+          {% if 'search_name' in db.tables %}
+            DELETE FROM search_name WHERE place_id = linked_node_id;
+          {% endif %}
+        END LOOP;
+      END IF;
+    END LOOP;
+{% endif %}

       {% if debug %}RAISE WARNING 'Waterway processed';{% endif %}
   END IF;
 
       {% if debug %}RAISE WARNING 'Waterway processed';{% endif %}
   END IF;
 


@@ -1197,6 +1265,8 @@ BEGIN
     END IF;
   ELSEIF NEW.rank_address > 25 THEN
     max_rank := 25;
     END IF;
   ELSEIF NEW.rank_address > 25 THEN
     max_rank := 25;

+  ELSEIF NEW.class in ('place','boundary') and NEW.type in ('postcode','postal_code') THEN
+    max_rank := NEW.rank_search;

   ELSE
     max_rank := NEW.rank_address;
   END IF;
   ELSE
     max_rank := NEW.rank_address;
   END IF;


@@ -1333,6 +1403,8 @@ BEGIN
 
   {% if debug %}RAISE WARNING 'placex_delete:12 % %',OLD.osm_type,OLD.osm_id;{% endif %}
 
 
   {% if debug %}RAISE WARNING 'placex_delete:12 % %',OLD.osm_type,OLD.osm_id;{% endif %}
 

+  UPDATE location_postcode SET indexed_status = 2 WHERE parent_place_id = OLD.place_id;
+

   RETURN OLD;
 
 END;
   RETURN OLD;
 
 END;