Merge pull request #3424 from lonvia/importance-csc-import

[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 5db76b7bce1c4eef89ba9d75857eada35fd16ba5..a40923b04a703d164e96950709fdcd0bc7cecd0c 100644 (file)
--- a/lib-sql/functions/placex_triggers.sql
+++ b/lib-sql/functions/placex_triggers.sql
@@ -2,7 +2,7 @@
 --
 -- This file is part of Nominatim. (https://nominatim.org)
 --
 --
 -- This file is part of Nominatim. (https://nominatim.org)
 --

--- Copyright (C) 2022 by the Nominatim developer community.
+-- Copyright (C) 2024 by the Nominatim developer community.

 -- For a full list of authors see the git log.
 
 -- Trigger functions for the placex table.
 -- For a full list of authors see the git log.
 
 -- Trigger functions for the placex table.


@@ -16,7 +16,9 @@ CREATE TYPE prepare_update_info AS (
   country_code TEXT,
   class TEXT,
   type TEXT,
   country_code TEXT,
   class TEXT,
   type TEXT,

-  linked_place_id BIGINT
+  linked_place_id BIGINT,
+  centroid_x float,
+  centroid_y float

 );
 
 -- Retrieve the data needed by the indexer for updating the place.
 );
 
 -- Retrieve the data needed by the indexer for updating the place.


@@ -26,30 +28,53 @@ CREATE OR REPLACE FUNCTION placex_indexing_prepare(p placex)
 DECLARE
   location RECORD;
   result prepare_update_info;
 DECLARE
   location RECORD;
   result prepare_update_info;

+  extra_names HSTORE;

 BEGIN
 BEGIN

+  IF not p.address ? '_inherited' THEN
+    result.address := p.address;
+  END IF;
+

   -- For POI nodes, check if the address should be derived from a surrounding
   -- building.
   -- For POI nodes, check if the address should be derived from a surrounding
   -- building.

-  IF p.rank_search < 30 OR p.osm_type != 'N' OR p.address is not null THEN
-    result.address := p.address;
-  ELSE
-    -- The additional && condition works around the misguided query
-    -- planner of postgis 3.0.
-    SELECT placex.address || hstore('_inherited', '') INTO result.address
-      FROM placex
-     WHERE ST_Covers(geometry, p.centroid)
-           and geometry && p.centroid
-           and placex.address is not null
-           and (placex.address ? 'housenumber' or placex.address ? 'street' or placex.address ? 'place')
-           and rank_search = 30 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
-     LIMIT 1;
+  IF p.rank_search = 30 AND p.osm_type = 'N' THEN
+    IF p.address is null THEN
+        -- The additional && condition works around the misguided query
+        -- planner of postgis 3.0.
+        SELECT placex.address || hstore('_inherited', '') INTO result.address
+          FROM placex
+         WHERE ST_Covers(geometry, p.centroid)
+               and geometry && p.centroid
+               and placex.address is not null
+               and (placex.address ? 'housenumber' or placex.address ? 'street' or placex.address ? 'place')
+               and rank_search = 30 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
+         LIMIT 1;
+    ELSE
+      -- See if we can inherit additional address tags from an interpolation.
+      -- These will become permanent.
+      FOR location IN
+        SELECT (address - 'interpolation'::text - 'housenumber'::text) as address
+          FROM place, planet_osm_ways w
+          WHERE place.osm_type = 'W' and place.address ? 'interpolation'
+                and place.geometry && p.geometry
+                and place.osm_id = w.id
+                and p.osm_id = any(w.nodes)
+      LOOP
+        result.address := location.address || result.address;
+      END LOOP;
+    END IF;

   END IF;
 
   END IF;
 

+  -- remove internal and derived names

   result.address := result.address - '_unlisted_place'::TEXT;
   result.address := result.address - '_unlisted_place'::TEXT;

-  result.name := p.name;
+  SELECT hstore(array_agg(key), array_agg(value)) INTO result.name
+    FROM each(p.name) WHERE key not like '\_%';
+

   result.class := p.class;
   result.type := p.type;
   result.country_code := p.country_code;
   result.rank_address := p.rank_address;
   result.class := p.class;
   result.type := p.type;
   result.country_code := p.country_code;
   result.rank_address := p.rank_address;

+  result.centroid_x := ST_X(p.centroid);
+  result.centroid_y := ST_Y(p.centroid);

 
   -- Names of linked places need to be merged in, so search for a linkable
   -- place already here.
 
   -- Names of linked places need to be merged in, so search for a linkable
   -- place already here.


@@ -58,8 +83,26 @@ BEGIN
   IF location.place_id is not NULL THEN
     result.linked_place_id := location.place_id;
 
   IF location.place_id is not NULL THEN
     result.linked_place_id := location.place_id;
 

-    IF NOT location.name IS NULL THEN
-      result.name := location.name || result.name;
+    IF location.name is not NULL THEN
+      {% if debug %}RAISE WARNING 'Names original: %, location: %', result.name, location.name;{% endif %}
+      -- Add all names from the place nodes that deviate from the name
+      -- in the relation with the prefix '_place_'. Deviation means that
+      -- either the value is different or a given key is missing completely
+      IF result.name is null THEN
+        SELECT hstore(array_agg('_place_' || key), array_agg(value))
+          INTO result.name
+          FROM each(location.name);
+      ELSE
+        SELECT hstore(array_agg('_place_' || key), array_agg(value)) INTO extra_names
+          FROM each(location.name - result.name);
+        {% if debug %}RAISE WARNING 'Extra names: %', extra_names;{% endif %}
+
+        IF extra_names is not null THEN
+            result.name := result.name || extra_names;
+        END IF;
+      END IF;
+
+      {% if debug %}RAISE WARNING 'Final names: %', result.name;{% endif %}

     END IF;
   END IF;
 
     END IF;
   END IF;
 


@@ -70,13 +113,20 @@ LANGUAGE plpgsql STABLE;
 
 
 CREATE OR REPLACE FUNCTION find_associated_street(poi_osm_type CHAR(1),
 
 
 CREATE OR REPLACE FUNCTION find_associated_street(poi_osm_type CHAR(1),

-                                                  poi_osm_id BIGINT)
+                                                  poi_osm_id BIGINT,
+                                                  bbox GEOMETRY)

   RETURNS BIGINT
   AS $$
 DECLARE
   location RECORD;
   RETURNS BIGINT
   AS $$
 DECLARE
   location RECORD;

+  member JSONB;

   parent RECORD;
   parent RECORD;

+  result BIGINT;
+  distance FLOAT;
+  new_distance FLOAT;
+  waygeom GEOMETRY;

 BEGIN
 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]


@@ -86,18 +136,68 @@ BEGIN
     FOR i IN 1..array_upper(location.members, 1) BY 2 LOOP
       IF location.members[i+1] = 'street' THEN
         FOR parent IN
     FOR i IN 1..array_upper(location.members, 1) BY 2 LOOP
       IF location.members[i+1] = 'street' THEN
         FOR parent IN

-          SELECT place_id from placex
-           WHERE osm_type = 'W' and osm_id = substring(location.members[i],2)::bigint
+          SELECT place_id, geometry
+           FROM placex
+           WHERE osm_type = upper(substring(location.members[i], 1, 1))::char(1)
+                 and osm_id = substring(location.members[i], 2)::bigint

                  and name is not null
                  and rank_search between 26 and 27
         LOOP
                  and name is not null
                  and rank_search between 26 and 27
         LOOP

-          RETURN parent.place_id;
+          -- 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 IF;
     END LOOP;
   END LOOP;
 
         END LOOP;
       END IF;
     END LOOP;
   END LOOP;
 

-  RETURN NULL;
+{% 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;
 $$
 LANGUAGE plpgsql STABLE;
 END;
 $$
 LANGUAGE plpgsql STABLE;


@@ -124,24 +224,13 @@ BEGIN
   {% if debug %}RAISE WARNING 'finding street for % %', poi_osm_type, poi_osm_id;{% endif %}
 
   -- Is this object part of an associatedStreet relation?
   {% if debug %}RAISE WARNING 'finding street for % %', poi_osm_type, poi_osm_id;{% endif %}
 
   -- Is this object part of an associatedStreet relation?

-  parent_place_id := find_associated_street(poi_osm_type, poi_osm_id);
+  parent_place_id := find_associated_street(poi_osm_type, poi_osm_id, bbox);

 
   IF parent_place_id is null THEN
     parent_place_id := find_parent_for_address(token_info, poi_partition, bbox);
   END IF;
 
   IF parent_place_id is null and poi_osm_type = 'N' THEN
 
   IF parent_place_id is null THEN
     parent_place_id := find_parent_for_address(token_info, poi_partition, bbox);
   END IF;
 
   IF parent_place_id is null and poi_osm_type = 'N' THEN

-    -- Is this node part of an interpolation?
-    FOR location IN
-      SELECT q.parent_place_id
-        FROM location_property_osmline q, planet_osm_ways x
-       WHERE q.linegeo && bbox and startnumber is not null
-             and x.id = q.osm_id and poi_osm_id = any(x.nodes)
-    LOOP
-      {% if debug %}RAISE WARNING 'Get parent from interpolation: %', location.parent_place_id;{% endif %}
-      RETURN location.parent_place_id;
-    END LOOP;
-

     FOR location IN
       SELECT p.place_id, p.osm_id, p.rank_search, p.address,
              coalesce(p.centroid, ST_Centroid(p.geometry)) as centroid
     FOR location IN
       SELECT p.place_id, p.osm_id, p.rank_search, p.address,
              coalesce(p.centroid, ST_Centroid(p.geometry)) as centroid


@@ -158,7 +247,7 @@ BEGIN
         RETURN location.place_id;
       END IF;
 
         RETURN location.place_id;
       END IF;
 

-      parent_place_id := find_associated_street('W', location.osm_id);
+      parent_place_id := find_associated_street('W', location.osm_id, bbox);

     END LOOP;
   END IF;
 
     END LOOP;
   END IF;
 


@@ -170,6 +259,7 @@ BEGIN
         SELECT place_id FROM placex
          WHERE bbox && geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
                AND rank_address between 5 and 25
         SELECT place_id FROM placex
          WHERE bbox && geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
                AND rank_address between 5 and 25

+               AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')

          ORDER BY rank_address desc
       LOOP
         RETURN location.place_id;
          ORDER BY rank_address desc
       LOOP
         RETURN location.place_id;


@@ -185,6 +275,7 @@ BEGIN
         SELECT place_id FROM placex
          WHERE bbox && geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
                AND rank_address between 5 and 25
         SELECT place_id FROM placex
          WHERE bbox && geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
                AND rank_address between 5 and 25

+               AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')

         ORDER BY rank_address desc
       LOOP
         RETURN location.place_id;
         ORDER BY rank_address desc
       LOOP
         RETURN location.place_id;


@@ -202,7 +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;


@@ -248,16 +343,17 @@ BEGIN
 
   -- If extratags has a place tag, look for linked nodes by their place type.
   -- Area and node still have to have the same name.
 
   -- If extratags has a place tag, look for linked nodes by their place type.
   -- Area and node still have to have the same name.

-  IF bnd.extratags ? 'place' and bnd_name is not null THEN
+  IF bnd.extratags ? 'place' and bnd.extratags->'place' != 'postcode'
+     and bnd_name is not null
+  THEN

     FOR linked_placex IN
       SELECT * FROM placex
       WHERE (position(lower(name->'name') in bnd_name) > 0
              OR position(bnd_name in lower(name->'name')) > 0)
         AND placex.class = 'place' AND placex.type = bnd.extratags->'place'
         AND placex.osm_type = 'N'
     FOR linked_placex IN
       SELECT * FROM placex
       WHERE (position(lower(name->'name') in bnd_name) > 0
              OR position(bnd_name in lower(name->'name')) > 0)
         AND placex.class = 'place' AND placex.type = bnd.extratags->'place'
         AND placex.osm_type = 'N'

-        AND placex.linked_place_id is null
+        AND (placex.linked_place_id is null or placex.linked_place_id = bnd.place_id)

         AND placex.rank_search < 26 -- needed to select the right index
         AND placex.rank_search < 26 -- needed to select the right index

-        AND placex.type != 'postcode'

         AND ST_Covers(bnd.geometry, placex.geometry)
     LOOP
       {% if debug %}RAISE WARNING 'Found type-matching place node %', linked_placex.osm_id;{% endif %}
         AND ST_Covers(bnd.geometry, placex.geometry)
     LOOP
       {% if debug %}RAISE WARNING 'Found type-matching place node %', linked_placex.osm_id;{% endif %}


@@ -271,7 +367,7 @@ BEGIN
       WHERE placex.class = 'place' AND placex.osm_type = 'N'
         AND placex.extratags ? 'wikidata' -- needed to select right index
         AND placex.extratags->'wikidata' = bnd.extratags->'wikidata'
       WHERE placex.class = 'place' AND placex.osm_type = 'N'
         AND placex.extratags ? 'wikidata' -- needed to select right index
         AND placex.extratags->'wikidata' = bnd.extratags->'wikidata'

-        AND placex.linked_place_id is null
+        AND (placex.linked_place_id is null or placex.linked_place_id = bnd.place_id)

         AND placex.rank_search < 26
         AND _st_covers(bnd.geometry, placex.geometry)
       ORDER BY lower(name->'name') = bnd_name desc
         AND placex.rank_search < 26
         AND _st_covers(bnd.geometry, placex.geometry)
       ORDER BY lower(name->'name') = bnd_name desc


@@ -295,7 +391,7 @@ BEGIN
              OR (bnd.rank_address = 0 and placex.rank_search = bnd.rank_search))
         AND placex.osm_type = 'N'
         AND placex.class = 'place'
              OR (bnd.rank_address = 0 and placex.rank_search = bnd.rank_search))
         AND placex.osm_type = 'N'
         AND placex.class = 'place'

-        AND placex.linked_place_id is null
+        AND (placex.linked_place_id is null or placex.linked_place_id = bnd.place_id)

         AND placex.rank_search < 26 -- needed to select the right index
         AND placex.type != 'postcode'
         AND ST_Covers(bnd.geometry, placex.geometry)
         AND placex.rank_search < 26 -- needed to select the right index
         AND placex.type != 'postcode'
         AND ST_Covers(bnd.geometry, placex.geometry)


@@ -339,9 +435,10 @@ BEGIN
     WHERE s.place_id = parent_place_id;
 
   FOR addr_item IN
     WHERE s.place_id = parent_place_id;
 
   FOR addr_item IN

-    SELECT (get_addr_tag_rank(key, country)).*, key,
+    SELECT ranks.*, key,

            token_get_address_search_tokens(token_info, key) as search_tokens
            token_get_address_search_tokens(token_info, key) as search_tokens

-      FROM token_get_address_keys(token_info) as key
+      FROM token_get_address_keys(token_info) as key,
+           LATERAL get_addr_tag_rank(key, country) as ranks

       WHERE not token_get_address_search_tokens(token_info, key) <@ parent_address_vector
   LOOP
     addr_place := get_address_place(in_partition, geometry,
       WHERE not token_get_address_search_tokens(token_info, key) <@ parent_address_vector
   LOOP
     addr_place := get_address_place(in_partition, geometry,


@@ -384,24 +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;


@@ -429,6 +522,7 @@ CREATE OR REPLACE FUNCTION insert_addresslines(obj_place_id BIGINT,
                                                maxrank SMALLINT,
                                                token_info JSONB,
                                                geometry GEOMETRY,
                                                maxrank SMALLINT,
                                                token_info JSONB,
                                                geometry GEOMETRY,

+                                               centroid GEOMETRY,

                                                country TEXT,
                                                OUT parent_place_id BIGINT,
                                                OUT postcode TEXT,
                                                country TEXT,
                                                OUT parent_place_id BIGINT,
                                                OUT postcode TEXT,


@@ -453,10 +547,12 @@ BEGIN
   address_havelevel := array_fill(false, ARRAY[maxrank]);
 
   FOR location IN
   address_havelevel := array_fill(false, ARRAY[maxrank]);
 
   FOR location IN

-    SELECT (get_address_place(partition, geometry, from_rank, to_rank,
-                              extent, token_info, key)).*, key
-      FROM (SELECT (get_addr_tag_rank(key, country)).*, key
-              FROM token_get_address_keys(token_info) as key) x
+    SELECT apl.*, key
+      FROM (SELECT extra.*, key
+              FROM token_get_address_keys(token_info) as key,
+                   LATERAL get_addr_tag_rank(key, country) as extra) x,
+           LATERAL get_address_place(partition, geometry, from_rank, to_rank,
+                              extent, token_info, key) as apl

       ORDER BY rank_address, distance, isguess desc
   LOOP
     IF location.place_id is null THEN
       ORDER BY rank_address, distance, isguess desc
   LOOP
     IF location.place_id is null THEN


@@ -489,7 +585,7 @@ BEGIN
   END LOOP;
 
   FOR location IN
   END LOOP;
 
   FOR location IN

-    SELECT * FROM getNearFeatures(partition, geometry, maxrank)
+    SELECT * FROM getNearFeatures(partition, geometry, centroid, maxrank)

     WHERE not addr_place_ids @> ARRAY[place_id]
     ORDER BY rank_address, isguess asc,
              distance *
     WHERE not addr_place_ids @> ARRAY[place_id]
     ORDER BY rank_address, isguess asc,
              distance *


@@ -618,6 +714,12 @@ BEGIN
       NEW.country_code := NULL;
     END IF;
 
       NEW.country_code := NULL;
     END IF;
 

+    -- Simplify polygons with a very large memory footprint when they
+    -- do not take part in address computation.
+    IF NEW.rank_address = 0 THEN
+      NEW.geometry := simplify_large_polygons(NEW.geometry);
+    END IF;
+

   END IF;
 
   {% if debug %}RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;{% endif %}
   END IF;
 
   {% if debug %}RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;{% endif %}


@@ -689,7 +791,11 @@ 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;


@@ -732,22 +838,22 @@ BEGIN
   DELETE FROM place_addressline WHERE place_id = NEW.place_id;
   result := deleteRoad(NEW.partition, NEW.place_id);
   result := deleteLocationArea(NEW.partition, NEW.place_id, NEW.rank_search);
   DELETE FROM place_addressline WHERE place_id = NEW.place_id;
   result := deleteRoad(NEW.partition, NEW.place_id);
   result := deleteLocationArea(NEW.partition, NEW.place_id, NEW.rank_search);

-  UPDATE placex set linked_place_id = null, indexed_status = 2
-         where linked_place_id = NEW.place_id;
-  -- update not necessary for osmline, cause linked_place_id does not exist

 
   NEW.extratags := NEW.extratags - 'linked_place'::TEXT;
 
   NEW.extratags := NEW.extratags - 'linked_place'::TEXT;

+  IF NEW.extratags = ''::hstore THEN
+    NEW.extratags := NULL;
+  END IF;

 
   -- NEW.linked_place_id contains the precomputed linkee. Save this and restore
   -- the previous link status.
   linked_place := NEW.linked_place_id;
   NEW.linked_place_id := OLD.linked_place_id;
 
 
   -- NEW.linked_place_id contains the precomputed linkee. Save this and restore
   -- the previous link status.
   linked_place := NEW.linked_place_id;
   NEW.linked_place_id := OLD.linked_place_id;
 

-  IF NEW.linked_place_id is not null THEN
-    NEW.token_info := null;
-    {% if debug %}RAISE WARNING 'place already linked to %', OLD.linked_place_id;{% endif %}
-    RETURN NEW;
-  END IF;
+  -- Remove linkage, if we have computed a different new linkee.
+  UPDATE placex SET linked_place_id = null, indexed_status = 2
+    WHERE linked_place_id = NEW.place_id
+          and (linked_place is null or linked_place_id != linked_place);
+  -- update not necessary for osmline, cause linked_place_id does not exist

 
   -- Postcodes are just here to compute the centroids. They are not searchable
   -- unless they are a boundary=postal_code.
 
   -- Postcodes are just here to compute the centroids. They are not searchable
   -- unless they are a boundary=postal_code.


@@ -793,6 +899,16 @@ BEGIN
                             NEW.class, NEW.type, NEW.admin_level,
                             (NEW.extratags->'capital') = 'yes',
                             NEW.address->'postcode');
                             NEW.class, NEW.type, NEW.admin_level,
                             (NEW.extratags->'capital') = 'yes',
                             NEW.address->'postcode');

+
+  -- Short-cut out for linked places. Note that this must happen after the
+  -- address rank has been recomputed. The linking might nullify a shift in
+  -- address rank.
+  IF NEW.linked_place_id is not null THEN
+    NEW.token_info := null;
+    {% if debug %}RAISE WARNING 'place already linked to %', OLD.linked_place_id;{% endif %}
+    RETURN NEW;
+  END IF;
+

   -- We must always increase the address level relative to the admin boundary.
   IF NEW.class = 'boundary' and NEW.type = 'administrative'
      and NEW.osm_type = 'R' and NEW.rank_address > 0
   -- We must always increase the address level relative to the admin boundary.
   IF NEW.class = 'boundary' and NEW.type = 'administrative'
      and NEW.osm_type = 'R' and NEW.rank_address > 0


@@ -808,7 +924,8 @@ BEGIN
       FROM placex
       WHERE osm_type = 'R' and class = 'boundary' and type = 'administrative'
             and admin_level < NEW.admin_level and admin_level > 3
       FROM placex
       WHERE osm_type = 'R' and class = 'boundary' and type = 'administrative'
             and admin_level < NEW.admin_level and admin_level > 3

-            and rank_address > 0
+            and rank_address between 1 and 25 -- for index selection
+            and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- for index selection

             and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)
       ORDER BY admin_level desc LIMIT 1
     LOOP
             and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)
       ORDER BY admin_level desc LIMIT 1
     LOOP


@@ -830,29 +947,61 @@ BEGIN
 
     IF NEW.rank_address > 9 THEN
         -- Second check that the boundary is not completely contained in a
 
     IF NEW.rank_address > 9 THEN
         -- Second check that the boundary is not completely contained in a

-        -- place area with a higher address rank
+        -- place area with a equal or higher address rank.

         FOR location IN
         FOR location IN

-          SELECT rank_address FROM placex
-          WHERE class = 'place' and rank_address < 24
-                and rank_address > NEW.rank_address
+          SELECT rank_address
+          FROM placex,
+               LATERAL compute_place_rank(country_code, 'A', class, type,
+                                          admin_level, False, null) prank
+          WHERE class = 'place' and rank_address between 1 and 23
+                and prank.address_rank >= NEW.rank_address
+                and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- select right index

                 and geometry && NEW.geometry
                 and geometry ~ NEW.geometry -- needed because ST_Relate does not do bbox cover test
                 and ST_Relate(geometry, NEW.geometry, 'T*T***FF*') -- contains but not equal
                 and geometry && NEW.geometry
                 and geometry ~ NEW.geometry -- needed because ST_Relate does not do bbox cover test
                 and ST_Relate(geometry, NEW.geometry, 'T*T***FF*') -- contains but not equal

-          ORDER BY rank_address desc LIMIT 1
+          ORDER BY prank.address_rank desc LIMIT 1

         LOOP
           NEW.rank_address := location.rank_address + 2;
         END LOOP;
     END IF;
         LOOP
           NEW.rank_address := location.rank_address + 2;
         END LOOP;
     END IF;

+  ELSEIF NEW.class = 'place'
+         and ST_GeometryType(NEW.geometry) in ('ST_Polygon', 'ST_MultiPolygon')
+         and NEW.rank_address between 16 and 23
+  THEN
+    -- For place areas make sure they are not completely contained in an area
+    -- with a equal or higher address rank.
+    FOR location IN
+          SELECT rank_address
+          FROM placex,
+               LATERAL compute_place_rank(country_code, 'A', class, type,
+                                          admin_level, False, null) prank
+          WHERE prank.address_rank < 24
+                and rank_address between 1 and 25 -- select right index
+                and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- select right index
+                and prank.address_rank >= NEW.rank_address
+                and geometry && NEW.geometry
+                and geometry ~ NEW.geometry -- needed because ST_Relate does not do bbox cover test
+                and ST_Relate(geometry, NEW.geometry, 'T*T***FF*') -- contains but not equal
+          ORDER BY prank.address_rank desc LIMIT 1
+        LOOP
+          NEW.rank_address := location.rank_address + 2;
+        END LOOP;

   ELSEIF NEW.class = 'place' and NEW.osm_type = 'N'
   ELSEIF NEW.class = 'place' and NEW.osm_type = 'N'

-     and NEW.rank_address between 16 and 23
+         and NEW.rank_address between 16 and 23

   THEN
   THEN

-    -- If a place node is contained in a admin boundary with the same address level
-    -- and has not been linked, then make the node a subpart by increasing the
-    -- address rank (city level and above).
+    -- If a place node is contained in an admin or place boundary with the same
+    -- address level and has not been linked, then make the node a subpart
+    -- by increasing the address rank (city level and above).

     FOR location IN
     FOR location IN

-        SELECT rank_address FROM placex
-        WHERE osm_type = 'R' and class = 'boundary' and type = 'administrative'
-              and rank_address = NEW.rank_address
+        SELECT rank_address
+        FROM placex,
+             LATERAL compute_place_rank(country_code, 'A', class, type,
+                                        admin_level, False, null) prank
+        WHERE osm_type = 'R'
+              and rank_address between 1 and 25 -- select right index
+              and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- select right index
+              and ((class = 'place' and prank.address_rank = NEW.rank_address)
+                   or (class = 'boundary' and rank_address = NEW.rank_address))

               and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)
         LIMIT 1
     LOOP
               and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)
         LIMIT 1
     LOOP


@@ -868,6 +1017,7 @@ 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


@@ -886,12 +1036,35 @@ 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;
 
   NEW.importance := null;
   SELECT wikipedia, importance
       {% if debug %}RAISE WARNING 'Waterway processed';{% endif %}
   END IF;
 
   NEW.importance := null;
   SELECT wikipedia, importance

-    FROM compute_importance(NEW.extratags, NEW.country_code, NEW.osm_type, NEW.osm_id)
+    FROM compute_importance(NEW.extratags, NEW.country_code, NEW.rank_search, NEW.centroid)

     INTO NEW.wikipedia,NEW.importance;
 
 {% if debug %}RAISE WARNING 'Importance computed from wikipedia: %', NEW.importance;{% endif %}
     INTO NEW.wikipedia,NEW.importance;
 
 {% if debug %}RAISE WARNING 'Importance computed from wikipedia: %', NEW.importance;{% endif %}


@@ -902,7 +1075,7 @@ BEGIN
 
     {% if debug %}RAISE WARNING 'finding street for % %', NEW.osm_type, NEW.osm_id;{% endif %}
     NEW.parent_place_id := null;
 
     {% if debug %}RAISE WARNING 'finding street for % %', NEW.osm_type, NEW.osm_id;{% endif %}
     NEW.parent_place_id := null;

-    is_place_address := coalesce(not NEW.address ? 'street' and NEW.address ? 'place', FALSE);
+    is_place_address := not token_is_street_address(NEW.token_info);

 
     -- We have to find our parent road.
     NEW.parent_place_id := find_parent_for_poi(NEW.osm_type, NEW.osm_id,
 
     -- We have to find our parent road.
     NEW.parent_place_id := find_parent_for_poi(NEW.osm_type, NEW.osm_id,


@@ -919,7 +1092,7 @@ BEGIN
       SELECT p.country_code, p.postcode, p.name FROM placex p
        WHERE p.place_id = NEW.parent_place_id INTO location;
 
       SELECT p.country_code, p.postcode, p.name FROM placex p
        WHERE p.place_id = NEW.parent_place_id INTO location;
 

-      IF is_place_address THEN
+      IF is_place_address and NEW.address ? 'place' THEN

         -- Check if the addr:place tag is part of the parent name
         SELECT count(*) INTO i
           FROM svals(location.name) AS pname WHERE pname = NEW.address->'place';
         -- Check if the addr:place tag is part of the parent name
         SELECT count(*) INTO i
           FROM svals(location.name) AS pname WHERE pname = NEW.address->'place';


@@ -932,7 +1105,7 @@ BEGIN
       {% if debug %}RAISE WARNING 'Got parent details from search name';{% endif %}
 
       -- determine postcode
       {% if debug %}RAISE WARNING 'Got parent details from search name';{% endif %}
 
       -- determine postcode

-      NEW.postcode := coalesce(token_normalized_postcode(NEW.address->'postcode'),
+      NEW.postcode := coalesce(token_get_postcode(NEW.token_info),

                                location.postcode,
                                get_nearest_postcode(NEW.country_code, NEW.centroid));
 
                                location.postcode,
                                get_nearest_postcode(NEW.country_code, NEW.centroid));
 


@@ -961,15 +1134,6 @@ BEGIN
       {% endif %}
 
       NEW.token_info := token_strip_info(NEW.token_info);
       {% endif %}
 
       NEW.token_info := token_strip_info(NEW.token_info);

-      -- If the address was inherited from a surrounding building,
-      -- do not add it permanently to the table.
-      IF NEW.address ? '_inherited' THEN
-        IF NEW.address ? '_unlisted_place' THEN
-          NEW.address := hstore('_unlisted_place', NEW.address->'_unlisted_place');
-        ELSE
-          NEW.address := null;
-        END IF;
-      END IF;

 
       RETURN NEW;
     END IF;
 
       RETURN NEW;
     END IF;


@@ -980,7 +1144,14 @@ BEGIN
   -- Full indexing
   {% if debug %}RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;{% endif %}
   IF linked_place is not null THEN
   -- Full indexing
   {% if debug %}RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;{% endif %}
   IF linked_place is not null THEN

-    SELECT * INTO location FROM placex WHERE place_id = linked_place;
+    -- Recompute the ranks here as the ones from the linked place might
+    -- have been shifted to accommodate surrounding boundaries.
+    SELECT place_id, osm_id, class, type, extratags, rank_search,
+           centroid, geometry,
+           (compute_place_rank(country_code, osm_type, class, type, admin_level,
+                              (extratags->'capital') = 'yes', null)).*
+      INTO location
+      FROM placex WHERE place_id = linked_place;

 
     {% if debug %}RAISE WARNING 'Linked %', location;{% endif %}
 
 
     {% if debug %}RAISE WARNING 'Linked %', location;{% endif %}
 


@@ -991,11 +1162,11 @@ BEGIN
         NEW.centroid := geom;
     END IF;
 
         NEW.centroid := geom;
     END IF;
 

-    {% if debug %}RAISE WARNING 'parent address: % rank address: %', parent_address_level, location.rank_address;{% endif %}
-    IF location.rank_address > parent_address_level
-       and location.rank_address < 26
+    {% if debug %}RAISE WARNING 'parent address: % rank address: %', parent_address_level, location.address_rank;{% endif %}
+    IF location.address_rank > parent_address_level
+       and location.address_rank < 26

     THEN
     THEN

-      NEW.rank_address := location.rank_address;
+      NEW.rank_address := location.address_rank;

     END IF;
 
     -- merge in extra tags
     END IF;
 
     -- merge in extra tags


@@ -1004,7 +1175,9 @@ BEGIN
                      || coalesce(NEW.extratags, ''::hstore);
 
     -- mark the linked place (excludes from search results)
                      || coalesce(NEW.extratags, ''::hstore);
 
     -- mark the linked place (excludes from search results)

-    UPDATE placex set linked_place_id = NEW.place_id
+    -- Force reindexing to remove any traces from the search indexes and
+    -- reset the address rank if necessary.
+    UPDATE placex set linked_place_id = NEW.place_id, indexed_status = 2

       WHERE place_id = location.place_id;
     -- ensure that those places are not found anymore
     {% if 'search_name' in db.tables %}
       WHERE place_id = location.place_id;
     -- ensure that those places are not found anymore
     {% if 'search_name' in db.tables %}


@@ -1014,7 +1187,7 @@ BEGIN
 
     SELECT wikipedia, importance
       FROM compute_importance(location.extratags, NEW.country_code,
 
     SELECT wikipedia, importance
       FROM compute_importance(location.extratags, NEW.country_code,

-                              'N', location.osm_id)
+                              location.rank_search, NEW.centroid)

       INTO linked_wikipedia,linked_importance;
 
     -- Use the maximum importance if one could be computed from the linked object.
       INTO linked_wikipedia,linked_importance;
 
     -- Use the maximum importance if one could be computed from the linked object.


@@ -1026,7 +1199,7 @@ BEGIN
   ELSE
     -- No linked place? As a last resort check if the boundary is tagged with
     -- a place type and adapt the rank address.
   ELSE
     -- No linked place? As a last resort check if the boundary is tagged with
     -- a place type and adapt the rank address.

-    IF NEW.rank_address > 0 and NEW.extratags ? 'place' THEN
+    IF NEW.rank_address between 4 and 25 and NEW.extratags ? 'place' THEN

       SELECT address_rank INTO place_address_level
         FROM compute_place_rank(NEW.country_code, 'A', 'place',
                                 NEW.extratags->'place', 0::SMALLINT, False, null);
       SELECT address_rank INTO place_address_level
         FROM compute_place_rank(NEW.country_code, 'A', 'place',
                                 NEW.extratags->'place', 0::SMALLINT, False, null);


@@ -1037,20 +1210,35 @@ BEGIN
     END IF;
   END IF;
 
     END IF;
   END IF;
 

+  {% if not disable_diff_updates %}
+  IF OLD.rank_address != NEW.rank_address THEN
+    -- After a rank shift all addresses containing us must be updated.
+    UPDATE placex p SET indexed_status = 2 FROM place_addressline pa
+      WHERE pa.address_place_id = NEW.place_id and p.place_id = pa.place_id
+            and p.indexed_status = 0 and p.rank_address between 4 and 25;
+  END IF;
+  {% endif %}
+

   IF NEW.admin_level = 2
      AND NEW.class = 'boundary' AND NEW.type = 'administrative'
      AND NEW.country_code IS NOT NULL AND NEW.osm_type = 'R'
   THEN
   IF NEW.admin_level = 2
      AND NEW.class = 'boundary' AND NEW.type = 'administrative'
      AND NEW.country_code IS NOT NULL AND NEW.osm_type = 'R'
   THEN

-    -- Update the list of country names. Adding an additional sanity
-    -- check here: make sure the country does overlap with the area where
-    -- we expect it to be as per static country grid.
+    -- Update the list of country names.
+    -- Only take the name from the largest area for the given country code
+    -- in the hope that this is the authoritative one.
+    -- Also replace any old names so that all mapping mistakes can
+    -- be fixed through regular OSM updates.

     FOR location IN
     FOR location IN

-      SELECT country_code FROM country_osm_grid
-       WHERE ST_Covers(geometry, NEW.centroid) and country_code = NEW.country_code
+      SELECT osm_id FROM placex
+       WHERE rank_search = 4 and osm_type = 'R'
+             and country_code = NEW.country_code
+       ORDER BY ST_Area(geometry) desc

        LIMIT 1
     LOOP
        LIMIT 1
     LOOP

-      {% if debug %}RAISE WARNING 'Updating names for country '%' with: %', NEW.country_code, NEW.name;{% endif %}
-      UPDATE country_name SET name = name || NEW.name WHERE country_code = NEW.country_code;
+      IF location.osm_id = NEW.osm_id THEN
+        {% if debug %}RAISE WARNING 'Updating names for country '%' with: %', NEW.country_code, NEW.name;{% endif %}
+        UPDATE country_name SET derived_name = NEW.name WHERE country_code = NEW.country_code;
+      END IF;

     END LOOP;
   END IF;
 
     END LOOP;
   END IF;
 


@@ -1073,18 +1261,20 @@ 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;
 
   SELECT * FROM insert_addresslines(NEW.place_id, NEW.partition, max_rank,
   ELSE
     max_rank := NEW.rank_address;
   END IF;
 
   SELECT * FROM insert_addresslines(NEW.place_id, NEW.partition, max_rank,

-                                    NEW.token_info, geom, NEW.country_code)
+                                    NEW.token_info, geom, NEW.centroid,
+                                    NEW.country_code)

     INTO NEW.parent_place_id, NEW.postcode, nameaddress_vector;
 
   {% if debug %}RAISE WARNING 'RETURN insert_addresslines: %, %, %', NEW.parent_place_id, NEW.postcode, nameaddress_vector;{% endif %}
 
     INTO NEW.parent_place_id, NEW.postcode, nameaddress_vector;
 
   {% if debug %}RAISE WARNING 'RETURN insert_addresslines: %, %, %', NEW.parent_place_id, NEW.postcode, nameaddress_vector;{% endif %}
 

-  NEW.postcode := coalesce(token_normalized_postcode(NEW.address->'postcode'),
-                           NEW.postcode);
+  NEW.postcode := coalesce(token_get_postcode(NEW.token_info), NEW.postcode);

 
   -- if we have a name add this to the name search table
   IF NEW.name IS NOT NULL THEN
 
   -- if we have a name add this to the name search table
   IF NEW.name IS NOT NULL THEN


@@ -1121,11 +1311,17 @@ BEGIN
     {% endif %}
   END IF;
 
     {% endif %}
   END IF;
 

-  IF NEW.postcode is null AND NEW.rank_search > 8 THEN
-    NEW.postcode := get_nearest_postcode(NEW.country_code, NEW.geometry);
+  IF NEW.postcode is null AND NEW.rank_search > 8
+     AND (NEW.rank_address > 0
+          OR ST_GeometryType(NEW.geometry) not in ('ST_LineString','ST_MultiLineString')
+          OR ST_Length(NEW.geometry) < 0.02)
+  THEN
+    NEW.postcode := get_nearest_postcode(NEW.country_code,
+                                         CASE WHEN NEW.rank_address > 25
+                                              THEN NEW.centroid ELSE NEW.geometry END);

   END IF;
 
   END IF;
 

-  {% if debug %}RAISE WARNING 'place update % % finsihed.', NEW.osm_type, NEW.osm_id;{% endif %}
+  {% if debug %}RAISE WARNING 'place update % % finished.', NEW.osm_type, NEW.osm_id;{% endif %}

 
   NEW.token_info := token_strip_info(NEW.token_info);
   RETURN NEW;
 
   NEW.token_info := token_strip_info(NEW.token_info);
   RETURN NEW;


@@ -1203,6 +1399,8 @@ 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;