X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/c71cb63f38cacb217755ecf40c4b7a60794676c6..a50bf1c94495d84963c24648c1e9abffcf7adda6:/sql/functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 62829ffe..bd64697a 100644
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -1,86 +1,11 @@
---DROP TRIGGER IF EXISTS place_before_insert on placex;
---DROP TRIGGER IF EXISTS place_before_update on placex;
---CREATE TYPE addresscalculationtype AS (
---  word text,
---  score integer
---);
-
-
-CREATE OR REPLACE FUNCTION getclasstypekey(c text, t text) RETURNS TEXT
-  AS $$
-DECLARE
-BEGIN
-  RETURN c||'|'||t;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION isbrokengeometry(place geometry) RETURNS BOOLEAN
-  AS $$
-DECLARE
-  NEWgeometry geometry;
-BEGIN
-  NEWgeometry := place;
-  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    RETURN true;
-  END IF;
-  RETURN false;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION clean_geometry(place geometry) RETURNS geometry
-  AS $$
-DECLARE
-  NEWgeometry geometry;
-BEGIN
-  NEWgeometry := place;
-  IF ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    NEWgeometry := ST_buffer(NEWgeometry,0);
-    IF ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-      RETURN ST_SetSRID(ST_Point(0,0),4326);
-    END IF;
-  END IF;
-  RETURN NEWgeometry;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
 CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry) RETURNS INTEGER
   AS $$
 DECLARE
   NEWgeometry geometry;
 BEGIN
 --  RAISE WARNING '%',place;
-  NEWgeometry := place;
-  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    NEWgeometry := ST_buffer(NEWgeometry,0);
-    IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-      RETURN 0;
-    END IF;
-  END IF;
-  RETURN (partition*1000000) + (500-ST_X(ST_Centroid(NEWgeometry))::integer)*1000 + (500-ST_Y(ST_Centroid(NEWgeometry))::integer);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION debug_geometry_sector(osmid integer, place geometry) RETURNS INTEGER
-  AS $$
-DECLARE
-  NEWgeometry geometry;
-BEGIN
---  RAISE WARNING '%',osmid;
-  IF osmid = 61315 THEN
-    return null;
-  END IF;
-  NEWgeometry := place;
-  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    NEWgeometry := ST_buffer(NEWgeometry,0);
-    IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-      RETURN NULL;
-    END IF;
-  END IF;
-  RETURN (500-ST_X(ST_Centroid(NEWgeometry))::integer)*1000 + (500-ST_Y(ST_Centroid(NEWgeometry))::integer);
+  NEWgeometry := ST_PointOnSurface(place);
+  RETURN (partition*1000000) + (500-ST_X(NEWgeometry)::integer)*1000 + (500-ST_Y(NEWgeometry)::integer);
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
@@ -104,18 +29,24 @@ END;
 $$
 LANGUAGE 'plpgsql' IMMUTABLE;
 
+-- returns NULL if the word is too common
 CREATE OR REPLACE FUNCTION getorcreate_word_id(lookup_word TEXT) 
   RETURNS INTEGER
   AS $$
 DECLARE
   lookup_token TEXT;
   return_word_id INTEGER;
+  count INTEGER;
 BEGIN
   lookup_token := trim(lookup_word);
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
+  SELECT min(word_id), max(search_name_count) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id, count;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, regexp_replace(lookup_token,E'([^0-9])\\1+',E'\\1','g'), null, null, null, null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
+  ELSE
+    IF count > get_maxwordfreq() THEN
+      return_word_id := NULL;
+    END IF;
   END IF;
   RETURN return_word_id;
 END;
@@ -133,7 +64,7 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='house' into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, 'place', 'house', null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, 'place', 'house', null, 0);
   END IF;
   RETURN return_word_id;
 END;
@@ -151,7 +82,7 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and country_code=lookup_country_code into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, lookup_country_code, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, lookup_country_code, 0);
   END IF;
   RETURN return_word_id;
 END;
@@ -169,45 +100,13 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, lookup_class, lookup_type, null, 0, null);
-  END IF;
-  RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_tagpair(lookup_class text, lookup_type text)
-  RETURNS INTEGER
-  AS $$
-DECLARE
-  lookup_token TEXT;
-  return_word_id INTEGER;
-BEGIN
-  lookup_token := lookup_class||'='||lookup_type;
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token into return_word_id;
-  IF return_word_id IS NULL THEN
-    return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0);
   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_tagpair(lookup_class text, lookup_type text)
-  RETURNS INTEGER
-  AS $$
-DECLARE
-  lookup_token TEXT;
-  return_word_id INTEGER;
-BEGIN
-  lookup_token := lookup_class||'='||lookup_type;
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token into return_word_id;
-  RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
 CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT, lookup_class text, lookup_type text, op text)
   RETURNS INTEGER
   AS $$
@@ -219,7 +118,7 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type and operator = op into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, lookup_class, lookup_type, null, 0, op, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0, op);
   END IF;
   RETURN return_word_id;
 END;
@@ -238,7 +137,7 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, regexp_replace(lookup_token,E'([^0-9])\\1+',E'\\1','g'), src_word, null, null, null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, src_word, null, null, null, 0);
 --    nospace_lookup_token := replace(replace(lookup_token, '-',''), ' ','');
 --    IF ' '||nospace_lookup_token != lookup_token THEN
 --      INSERT INTO word VALUES (return_word_id, '-'||nospace_lookup_token, null, src_word, null, null, null, 0, null);
@@ -287,6 +186,20 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION get_name_ids(lookup_word TEXT)
+  RETURNS INTEGER[]
+  AS $$
+DECLARE
+  lookup_token TEXT;
+  return_word_ids INTEGER[];
+BEGIN
+  lookup_token := ' '||trim(lookup_word);
+  SELECT array_agg(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_ids;
+  RETURN return_word_ids;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
 CREATE OR REPLACE FUNCTION array_merge(a INTEGER[], b INTEGER[])
   RETURNS INTEGER[]
   AS $$
@@ -302,7 +215,7 @@ BEGIN
   END IF;
   r := a;
   FOR i IN 1..array_upper(b, 1) LOOP  
-    IF NOT (ARRAY[b[i]] && r) THEN
+    IF NOT (ARRAY[b[i]] <@ r) THEN
       r := r || b[i];
     END IF;
   END LOOP;
@@ -311,6 +224,34 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION create_country(src HSTORE, lookup_country_code varchar(2)) RETURNS VOID
+  AS $$
+DECLARE
+  s TEXT;
+  w INTEGER;
+  words TEXT[];
+  item RECORD;
+  j INTEGER;
+BEGIN
+  FOR item IN SELECT (each(src)).* LOOP
+
+    s := make_standard_name(item.value);
+    w := getorcreate_country(s, lookup_country_code);
+
+    words := regexp_split_to_array(item.value, E'[,;()]');
+    IF array_upper(words, 1) != 1 THEN
+      FOR j IN 1..array_upper(words, 1) LOOP
+        s := make_standard_name(words[j]);
+        IF s != '' THEN
+          w := getorcreate_country(s, lookup_country_code);
+        END IF;
+      END LOOP;
+    END IF;
+  END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
 CREATE OR REPLACE FUNCTION make_keywords(src HSTORE) RETURNS INTEGER[]
   AS $$
 DECLARE
@@ -328,15 +269,24 @@ BEGIN
     s := make_standard_name(item.value);
 
     w := getorcreate_name_id(s, item.value);
-    result := result | w;
+
+    IF not(ARRAY[w] <@ result) THEN
+      result := result || w;
+    END IF;
+
+    w := getorcreate_word_id(s);
+
+    IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+      result := result || w;
+    END IF;
 
     words := string_to_array(s, ' ');
     IF array_upper(words, 1) IS NOT NULL THEN
       FOR j IN 1..array_upper(words, 1) LOOP
         IF (words[j] != '') THEN
           w = getorcreate_word_id(words[j]);
-          IF NOT (ARRAY[w] && result) THEN
-            result := result | w;
+          IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+            result := result || w;
           END IF;
         END IF;
       END LOOP;
@@ -348,8 +298,8 @@ BEGIN
         s := make_standard_name(words[j]);
         IF s != '' THEN
           w := getorcreate_word_id(s);
-          IF NOT (ARRAY[w] && result) THEN
-            result := result | w;
+          IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+            result := result || w;
           END IF;
         END IF;
       END LOOP;
@@ -360,8 +310,8 @@ BEGIN
       s := make_standard_name(s);
       IF s != '' THEN
         w := getorcreate_name_id(s, item.value);
-        IF NOT (ARRAY[w] && result) THEN
-          result := result | w;
+        IF NOT (ARRAY[w] <@ result) THEN
+          result := result || w;
         END IF;
       END IF;
     END IF;
@@ -386,9 +336,15 @@ BEGIN
   result := '{}'::INTEGER[];
 
   s := make_standard_name(src);
-  w := getorcreate_name_id(s);
+  w := getorcreate_name_id(s, src);
+
+  IF NOT (ARRAY[w] <@ result) THEN
+    result := result || w;
+  END IF;
+
+  w := getorcreate_word_id(s);
 
-  IF NOT (ARRAY[w] && result) THEN
+  IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
     result := result || w;
   END IF;
 
@@ -397,37 +353,36 @@ BEGIN
     FOR j IN 1..array_upper(words, 1) LOOP
       IF (words[j] != '') THEN
         w = getorcreate_word_id(words[j]);
-        IF NOT (ARRAY[w] && result) THEN
+        IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
           result := result || w;
         END IF;
       END IF;
     END LOOP;
   END IF;
 
-  RETURN result;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_word_score(wordscores wordscore[], words text[]) RETURNS integer
-  AS $$
-DECLARE
-  idxword integer;
-  idxscores integer;
-  result integer;
-BEGIN
-  IF (wordscores is null OR words is null) THEN
-    RETURN 0;
+  words := regexp_split_to_array(src, E'[,;()]');
+  IF array_upper(words, 1) != 1 THEN
+    FOR j IN 1..array_upper(words, 1) LOOP
+      s := make_standard_name(words[j]);
+      IF s != '' THEN
+        w := getorcreate_word_id(s);
+        IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+          result := result || w;
+        END IF;
+      END IF;
+    END LOOP;
   END IF;
 
-  result := 0;
-  FOR idxword in 1 .. array_upper(words, 1) LOOP
-    FOR idxscores in 1 .. array_upper(wordscores, 1) LOOP
-      IF wordscores[idxscores].word = words[idxword] THEN
-        result := result + wordscores[idxscores].score;
+  s := regexp_replace(src, 'å¸$', '');
+  IF s != src THEN
+    s := make_standard_name(s);
+    IF s != '' THEN
+      w := getorcreate_name_id(s, src);
+      IF NOT (ARRAY[w] <@ result) THEN
+        result := result || w;
       END IF;
-    END LOOP;
-  END LOOP;
+    END IF;
+  END IF;
 
   RETURN result;
 END;
@@ -440,51 +395,45 @@ DECLARE
   place_centre GEOMETRY;
   nearcountry RECORD;
 BEGIN
-  place_centre := ST_Centroid(place);
+  place_centre := ST_PointOnSurface(place);
 
---RAISE WARNING 'start: %', ST_AsText(place_centre);
+--DEBUG: RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);
 
-  -- Try for a OSM polygon first
-  FOR nearcountry IN select country_code from location_area_country where country_code is not null and not isguess and st_contains(geometry, place_centre) limit 1
+  -- Try for a OSM polygon
+  FOR nearcountry IN select country_code from location_area_country where country_code is not null and not isguess and st_covers(geometry, place_centre) limit 1
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
---RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
+--DEBUG: RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
 
   -- Try for OSM fallback data
-  FOR nearcountry IN select country_code from country_osm_grid where st_contains(geometry, place_centre) limit 1
+  -- The order is to deal with places like HongKong that are 'states' within another polygon
+  FOR nearcountry IN select country_code from country_osm_grid where st_covers(geometry, place_centre) order by area asc limit 1
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
---RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
-
-  -- Natural earth data (first fallback)
-  FOR nearcountry IN select country_code from country_naturalearthdata where st_contains(geometry, place_centre) limit 1
-  LOOP
-    RETURN nearcountry.country_code;
-  END LOOP;
+--DEBUG: RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
 
-  -- Natural earth data (first fallback)
-  FOR nearcountry IN select country_code from country_naturalearthdata where st_distance(geometry, place_centre) < 0.5 limit 1
+  -- Natural earth data
+  FOR nearcountry IN select country_code from country_naturalearthdata where st_covers(geometry, place_centre) limit 1
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
---RAISE WARNING 'in country: %', ST_AsText(place_centre);
+--DEBUG: RAISE WARNING 'near osm fallback: %', ST_AsText(place_centre);
 
-  -- WorldBoundaries data (second fallback - think there might be something broken in this data)
-  FOR nearcountry IN select country_code from country where st_contains(geometry, place_centre) limit 1
+  -- 
+  FOR nearcountry IN select country_code from country_osm_grid where st_dwithin(geometry, place_centre, 0.5) order by st_distance(geometry, place_centre) asc, area asc limit 1
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
---RAISE WARNING 'near country: %', ST_AsText(place_centre);
+--DEBUG: RAISE WARNING 'near natural earth: %', ST_AsText(place_centre);
 
-  -- Still not in a country - try nearest within ~12 miles of a country
-  FOR nearcountry IN select country_code from country where st_distance(geometry, place_centre) < 0.5 
-    order by st_distance(geometry, place) limit 1
+  -- Natural earth data 
+  FOR nearcountry IN select country_code from country_naturalearthdata where st_dwithin(geometry, place_centre, 0.5) limit 1
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
@@ -494,38 +443,37 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_country_code(place geometry, in_country_code VARCHAR(2)) RETURNS TEXT
+CREATE OR REPLACE FUNCTION get_country_language_code(search_country_code VARCHAR(2)) RETURNS TEXT
   AS $$
 DECLARE
   nearcountry RECORD;
 BEGIN
-  FOR nearcountry IN select country_code from country_name where country_code = lower(in_country_code)
+  FOR nearcountry IN select distinct country_default_language_code from country_name where country_code = search_country_code limit 1
   LOOP
-    RETURN nearcountry.country_code;
+    RETURN lower(nearcountry.country_default_language_code);
   END LOOP;
-  RETURN get_country_code(place);
+  RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_country_language_code(search_country_code VARCHAR(2)) RETURNS TEXT
+CREATE OR REPLACE FUNCTION get_country_language_codes(search_country_code VARCHAR(2)) RETURNS TEXT[]
   AS $$
 DECLARE
   nearcountry RECORD;
 BEGIN
-  FOR nearcountry IN select distinct country_default_language_code from country_name where country_code = search_country_code limit 1
+  FOR nearcountry IN select country_default_language_codes from country_name where country_code = search_country_code limit 1
   LOOP
-    RETURN lower(nearcountry.country_default_language_code);
+    RETURN lower(nearcountry.country_default_language_codes);
   END LOOP;
   RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_partition(place geometry, in_country_code VARCHAR(10)) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION get_partition(in_country_code VARCHAR(10)) RETURNS INTEGER
   AS $$
 DECLARE
-  place_centre GEOMETRY;
   nearcountry RECORD;
 BEGIN
   FOR nearcountry IN select partition from country_name where country_code = in_country_code
@@ -537,7 +485,7 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION delete_location(OLD_place_id INTEGER) RETURNS BOOLEAN
+CREATE OR REPLACE FUNCTION delete_location(OLD_place_id BIGINT) RETURNS BOOLEAN
   AS $$
 DECLARE
 BEGIN
@@ -549,7 +497,7 @@ $$
 LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION add_location(
-    place_id INTEGER,
+    place_id BIGINT,
     country_code varchar(2),
     partition INTEGER,
     keywords INTEGER[],
@@ -562,17 +510,11 @@ CREATE OR REPLACE FUNCTION add_location(
 DECLARE
   locationid INTEGER;
   isarea BOOLEAN;
-  xmin INTEGER;
-  ymin INTEGER;
-  xmax INTEGER;
-  ymax INTEGER;
-  lon INTEGER;
-  lat INTEGER;
   centroid GEOMETRY;
-  secgeo GEOMETRY;
-  secbox GEOMETRY;
   diameter FLOAT;
   x BOOLEAN;
+  splitGeom RECORD;
+  secgeo GEOMETRY;
 BEGIN
 
   IF rank_search > 25 THEN
@@ -581,7 +523,7 @@ BEGIN
 
 --  RAISE WARNING 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
 
-  x := deleteLocationArea(partition, place_id);
+  x := deleteLocationArea(partition, place_id, rank_search);
 
   isarea := false;
   IF (ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(geometry)) THEN
@@ -589,29 +531,11 @@ BEGIN
     isArea := true;
     centroid := ST_Centroid(geometry);
 
-    xmin := floor(st_xmin(geometry));
-    xmax := ceil(st_xmax(geometry));
-    ymin := floor(st_ymin(geometry));
-    ymax := ceil(st_ymax(geometry));
-
-    IF xmin = xmax OR ymin = ymax OR (xmax-xmin < 2 AND ymax-ymin < 2) THEN
-      x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, centroid, geometry);
-    ELSE
---      RAISE WARNING 'Spliting geometry: % to %, % to %', xmin, xmax, ymin, ymax;
-      FOR lon IN xmin..(xmax-1) LOOP
-        FOR lat IN ymin..(ymax-1) LOOP
-          secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(lon,lat),ST_Point(lon+1,lat+1)),4326);
-          IF st_intersects(geometry, secbox) THEN
-            secgeo := st_intersection(geometry, secbox);
-            IF NOT ST_IsEmpty(secgeo) AND ST_GeometryType(secgeo) in ('ST_Polygon','ST_MultiPolygon') THEN
-              x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, centroid, secgeo);
-            END IF;
-          END IF;
-        END LOOP;
-      END LOOP;
-    END IF;
+    FOR secgeo IN select split_geometry(geometry) AS geom LOOP
+      x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, centroid, secgeo);
+    END LOOP;
 
-  ELSEIF rank_search < 26 THEN
+  ELSE
 
     diameter := 0.02;
     IF rank_address = 0 THEN
@@ -635,16 +559,6 @@ BEGIN
     secgeo := ST_Buffer(geometry, diameter);
     x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, ST_Centroid(geometry), secgeo);
 
-  ELSE
-
-    -- ~ 20meters
-    secgeo := ST_Buffer(geometry, 0.0002);
-    x := insertLocationAreaRoadNear(partition, place_id, country_code, keywords, rank_search, rank_address, true, ST_Centroid(geometry), secgeo);
-
-    -- ~ 100meters
-    secgeo := ST_Buffer(geometry, 0.001);
-    x := insertLocationAreaRoadFar(partition, place_id, country_code, keywords, rank_search, rank_address, true, ST_Centroid(geometry), secgeo);
-
   END IF;
 
   RETURN true;
@@ -652,98 +566,85 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION update_location(
-    partition INTEGER,
-    place_id INTEGER,
-    place_country_code varchar(2),
-    name hstore,
-    rank_search INTEGER,
-    rank_address INTEGER,
-    geometry GEOMETRY
-  ) 
-  RETURNS BOOLEAN
-  AS $$
-DECLARE
-  b BOOLEAN;
-BEGIN
-  b := deleteLocationArea(partition, place_id);
---  result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
-  RETURN add_location(place_id, place_country_code, name, rank_search, rank_address, geometry);
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION search_name_add_words(parent_place_id INTEGER, to_add INTEGER[])
-  RETURNS BOOLEAN
-  AS $$
-DECLARE
-  childplace RECORD;
-BEGIN
 
-  IF #to_add = 0 THEN
-    RETURN true;
-  END IF;
 
-  -- this should just be an update, but it seems to do insane things to the index size (delete and insert doesn't)
-  FOR childplace IN select * from search_name,place_addressline 
-    where  address_place_id = parent_place_id
-      and search_name.place_id = place_addressline.place_id
-  LOOP
-    delete from search_name where place_id = childplace.place_id;
-    childplace.nameaddress_vector := uniq(sort_asc(childplace.nameaddress_vector + to_add));
-    IF childplace.place_id = parent_place_id THEN
-      childplace.name_vector := uniq(sort_asc(childplace.name_vector + to_add));
-    END IF;
-    insert into search_name (place_id, search_rank, address_rank, country_code, name_vector, nameaddress_vector, centroid) 
-      values (childplace.place_id, childplace.search_rank, childplace.address_rank, childplace.country_code, 
-        childplace.name_vector, childplace.nameaddress_vector, childplace.centroid);
-  END LOOP;
+-- find the parant road of an interpolation
+CREATE OR REPLACE FUNCTION get_interpolation_parent(wayid BIGINT, street TEXT, place TEXT,
+                                                    partition INTEGER, centroid GEOMETRY, geom GEOMETRY)
+RETURNS BIGINT AS $$
+DECLARE
+  addr_street TEXT;
+  addr_place TEXT;
+  parent_place_id BIGINT;
+  address_street_word_ids INTEGER[];
 
-  RETURN true;
-END;
-$$
-LANGUAGE plpgsql;
+  waynodes BIGINT[];
 
-CREATE OR REPLACE FUNCTION update_location_nameonly(partition INTEGER, OLD_place_id INTEGER, name hstore) RETURNS BOOLEAN
-  AS $$
-DECLARE
-  newkeywords INTEGER[];
-  addedkeywords INTEGER[];
-  removedkeywords INTEGER[];
+  location RECORD;
 BEGIN
+  addr_street = street;
+  addr_place = place;
+
+  IF addr_street is null and addr_place is null THEN
+    select nodes from planet_osm_ways where id = wayid INTO waynodes;
+    FOR location IN SELECT placex.street, placex.addr_place from placex 
+                    where osm_type = 'N' and osm_id = ANY(waynodes)
+                          and (placex.street is not null or placex.addr_place is not null)
+                          and indexed_status < 100
+                    limit 1 LOOP
+      addr_street = location.street;
+      addr_place = location.addr_place;
+    END LOOP;
+  END IF;
 
-  -- what has changed?
-  newkeywords := make_keywords(name);
-  select coalesce(newkeywords,'{}'::INTEGER[]) - coalesce(location_point.keywords,'{}'::INTEGER[]), 
-    coalesce(location_point.keywords,'{}'::INTEGER[]) - coalesce(newkeywords,'{}'::INTEGER[]) from location_point 
-    where place_id = OLD_place_id into addedkeywords, removedkeywords;
+  IF addr_street IS NOT NULL THEN
+    address_street_word_ids := get_name_ids(make_standard_name(addr_street));
+    IF address_street_word_ids IS NOT NULL THEN
+      FOR location IN SELECT place_id from getNearestNamedRoadFeature(partition, centroid, address_street_word_ids) LOOP
+        parent_place_id := location.place_id;
+      END LOOP;
+    END IF;
+  END IF;
 
---  RAISE WARNING 'update_location_nameonly for %: new:% added:% removed:%', OLD_place_id, newkeywords, addedkeywords, removedkeywords;
+  IF parent_place_id IS NULL AND addr_place IS NOT NULL THEN
+    address_street_word_ids := get_name_ids(make_standard_name(addr_place));
+    IF address_street_word_ids IS NOT NULL THEN
+      FOR location IN SELECT place_id from getNearestNamedPlaceFeature(partition, centroid, address_street_word_ids) LOOP
+        parent_place_id := location.place_id;
+      END LOOP;
+    END IF;
+  END IF;
 
-  IF #removedkeywords > 0 THEN
-    -- abort due to tokens removed
-    RETURN false;
+  IF parent_place_id is null THEN
+    FOR location IN SELECT place_id FROM placex
+        WHERE ST_DWithin(geom, placex.geometry, 0.001) and placex.rank_search = 26
+        ORDER BY (ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,0))+
+                  ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,0.5))+
+                  ST_distance(placex.geometry, ST_LineInterpolatePoint(geom,1))) ASC limit 1
+    LOOP
+      parent_place_id := location.place_id;
+    END LOOP;
   END IF;
-  
-  IF #addedkeywords > 0 THEN
-    -- short circuit - no changes
-    RETURN true;
+
+  IF parent_place_id is null THEN
+    RETURN 0;
   END IF;
 
-  UPDATE location_area set keywords = newkeywords where place_id = OLD_place_id;
-  RETURN search_name_add_words(OLD_place_id, addedkeywords);
+  RETURN parent_place_id;
 END;
 $$
 LANGUAGE plpgsql;
 
-
-CREATE OR REPLACE FUNCTION create_interpolation(wayid INTEGER, interpolationtype TEXT) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION create_interpolation(wayid BIGINT, interpolationtype TEXT,
+                                                parent_id BIGINT, partition INTEGER,
+                                                country_code TEXT,  geometry_sector INTEGER,
+                                                defpostalcode TEXT, geom GEOMETRY) RETURNS INTEGER
   AS $$
 DECLARE
-  
+
   newpoints INTEGER;
-  waynodes integer[];
-  nodeid INTEGER;
+  waynodes BIGINT[];
+  nodeid BIGINT;
   prevnode RECORD;
   nextnode RECORD;
   startnumber INTEGER;
@@ -753,106 +654,111 @@ DECLARE
   originalnumberrange INTEGER;
   housenum INTEGER;
   linegeo GEOMETRY;
-  search_place_id INTEGER;
-  defpostalcode TEXT;
+  splitline GEOMETRY;
+  sectiongeo GEOMETRY;
+  pointgeo GEOMETRY;
 
-  havefirstpoint BOOLEAN;
-  linestr TEXT;
 BEGIN
-  newpoints := 0;
-  IF interpolationtype = 'odd' OR interpolationtype = 'even' OR interpolationtype = 'all' THEN
+  delete from placex where osm_type = 'W' and osm_id = wayid
+                                          and class = 'place' and type = 'address';
 
-    select postcode from placex where osm_type = 'W' and osm_id = wayid INTO defpostalcode;
-    select nodes from planet_osm_ways where id = wayid INTO waynodes;
---RAISE WARNING 'interpolation % % %',wayid,interpolationtype,waynodes;
-    IF array_upper(waynodes, 1) IS NOT NULL THEN
+  IF interpolationtype = 'odd' OR interpolationtype = 'even' THEN
+    stepsize := 2;
+  ELSEIF interpolationtype = 'all' THEN
+    stepsize := 1;
+  ELSEIF interpolationtype ~ '^\d+$' THEN
+    stepsize := interpolationtype::INTEGER;
+  ELSE
+    RETURN 0;
+  END IF;
 
-      havefirstpoint := false;
+  select nodes from planet_osm_ways where id = wayid INTO waynodes;
 
-      FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
+  IF array_upper(waynodes, 1) IS NULL THEN
+    RETURN 0;
+  END IF;
+
+  linegeo := geom;
+  startnumber := NULL;
+  newpoints := 0;
 
-        select min(place_id) from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::INTEGER and type = 'house' INTO search_place_id;
-        IF search_place_id IS NULL THEN
-          -- null record of right type
-          select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::INTEGER and type = 'house' limit 1 INTO nextnode;
-          select ST_SetSRID(ST_Point(lon::float/10000000,lat::float/10000000),4326) from planet_osm_nodes where id = waynodes[nodeidpos] INTO nextnode.geometry;
+  FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
+
+    -- If there is a place of a type other than place/house, use that because
+    -- it is guaranteed to be the original node. For place/house types use the
+    -- one with the smallest id because the original node was created first.
+    -- Ignore all nodes marked for deletion. (Might happen when the type changes.)
+    select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
+                               and indexed_status < 100 and housenumber is not NULL
+                         order by (type = 'address'),place_id limit 1 INTO nextnode;
+    IF nextnode.place_id IS NOT NULL THEN
+
+        IF nodeidpos > 1 and nodeidpos < array_upper(waynodes, 1) THEN
+          -- Make sure that the point is actually on the line. That might
+          -- be a bit paranoid but ensures that the algorithm still works
+          -- should osm2pgsql attempt to repair geometries.
+          splitline := split_line_on_node(linegeo, nextnode.geometry);
+          sectiongeo := ST_GeometryN(splitline, 1);
+          linegeo := ST_GeometryN(splitline, 2);
         ELSE
-          select * from placex where place_id = search_place_id INTO nextnode;
+          sectiongeo = linegeo;
         END IF;
+        endnumber := substring(nextnode.housenumber,'[0-9]+')::integer;
 
---RAISE WARNING 'interpolation node % % % ',nextnode.housenumber,ST_X(nextnode.geometry),ST_Y(nextnode.geometry);
-      
-        IF havefirstpoint THEN
-
-          -- add point to the line string
-          linestr := linestr||','||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
-          endnumber := ('0'||substring(nextnode.housenumber,'[0-9]+'))::integer;
-
-          IF startnumber IS NOT NULL and startnumber > 0 AND endnumber IS NOT NULL and endnumber > 0 THEN
-
---RAISE WARNING 'interpolation end % % ',nextnode.place_id,endnumber;
-
-            IF startnumber != endnumber THEN
+        IF startnumber IS NOT NULL AND endnumber IS NOT NULL
+           AND @(startnumber - endnumber) < 1000 AND startnumber != endnumber
+           AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN
 
-              linestr := linestr || ')';
---RAISE WARNING 'linestr %',linestr;
-              linegeo := ST_GeomFromText(linestr,4326);
-              linestr := 'LINESTRING('||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
-              IF (startnumber > endnumber) THEN
-                housenum := endnumber;
-                endnumber := startnumber;
-                startnumber := housenum;
-                linegeo := ST_Reverse(linegeo);
-              END IF;
-              orginalstartnumber := startnumber;
-              originalnumberrange := endnumber - startnumber;
-
--- Too much broken data worldwide for this test to be worth using
---              IF originalnumberrange > 500 THEN
---                RAISE WARNING 'Number block of % while processing % %', originalnumberrange, prevnode, nextnode;
---              END IF;
-
-              IF (interpolationtype = 'odd' AND startnumber%2 = 0) OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN
-                startnumber := startnumber + 1;
-                stepsize := 2;
-              ELSE
-                IF (interpolationtype = 'odd' OR interpolationtype = 'even') THEN
-                  startnumber := startnumber + 2;
-                  stepsize := 2;
-                ELSE -- everything else assumed to be 'all'
-                  startnumber := startnumber + 1;
-                  stepsize := 1;
-                END IF;
-              END IF;
-              endnumber := endnumber - 1;
-              delete from placex where osm_type = 'N' and osm_id = prevnode.osm_id and type = 'house' and place_id != prevnode.place_id;
-              FOR housenum IN startnumber..endnumber BY stepsize LOOP
-                -- this should really copy postcodes but it puts a huge burdon on the system for no big benefit
-                -- ideally postcodes should move up to the way
-                insert into placex (osm_type, osm_id, class, type, admin_level, housenumber, street, isin, postcode,
-                  country_code, parent_place_id, rank_address, rank_search, indexed_status, geometry)
-                  values ('N',prevnode.osm_id, prevnode.class, prevnode.type, prevnode.admin_level, housenum, prevnode.street, prevnode.isin, coalesce(prevnode.postcode, defpostalcode),
-                  prevnode.country_code, prevnode.parent_place_id, prevnode.rank_address, prevnode.rank_search, 1, ST_Line_Interpolate_Point(linegeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float));
-                newpoints := newpoints + 1;
---RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;
-              END LOOP;
-            END IF;
-            havefirstpoint := false;
+          IF (startnumber > endnumber) THEN
+            housenum := endnumber;
+            endnumber := startnumber;
+            startnumber := housenum;
+            sectiongeo := ST_Reverse(sectiongeo);
           END IF;
+          orginalstartnumber := startnumber;
+          originalnumberrange := endnumber - startnumber;
+
+          startnumber := startnumber + stepsize;
+          -- correct for odd/even
+          IF (interpolationtype = 'odd' AND startnumber%2 = 0)
+             OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN
+            startnumber := startnumber - 1;
+          END IF;
+          endnumber := endnumber - 1;
+
+          -- keep for compatibility with previous versions
+          delete from placex where osm_type = 'N' and osm_id = prevnode.osm_id
+                               and place_id != prevnode.place_id and class = 'place'
+                               and type = 'house';
+          FOR housenum IN startnumber..endnumber BY stepsize LOOP
+            pointgeo := ST_LineInterpolatePoint(sectiongeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float);
+            insert into placex (place_id, partition, osm_type, osm_id,
+                                class, type, admin_level, housenumber,
+                                postcode,
+                                country_code, parent_place_id, rank_address, rank_search,
+                                indexed_status, indexed_date, geometry_sector,
+                                calculated_country_code, centroid, geometry)
+              values (nextval('seq_place'), partition, 'W', wayid,
+                      'place', 'address', prevnode.admin_level, housenum,
+                      coalesce(prevnode.postcode, defpostalcode),
+                      prevnode.country_code, parent_id, 30, 30,
+                      0, now(), geometry_sector, country_code,
+                      pointgeo, pointgeo);
+            newpoints := newpoints + 1;
+--RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;
+          END LOOP;
         END IF;
 
-        IF NOT havefirstpoint THEN
-          startnumber := ('0'||substring(nextnode.housenumber,'[0-9]+'))::integer;
-          IF startnumber IS NOT NULL AND startnumber > 0 THEN
-            havefirstpoint := true;
-            linestr := 'LINESTRING('||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
-            prevnode := nextnode;
-          END IF;
---RAISE WARNING 'interpolation start % % ',nextnode.place_id,startnumber;
+        -- early break if we are out of line string,
+        -- might happen when a line string loops back on itself
+        IF ST_GeometryType(linegeo) != 'ST_LineString' THEN
+            RETURN newpoints;
         END IF;
-      END LOOP;
+
+        startnumber := substring(nextnode.housenumber,'[0-9]+')::integer;
+        prevnode := nextnode;
     END IF;
-  END IF;
+  END LOOP;
 
 --RAISE WARNING 'interpolation points % ',newpoints;
 
@@ -870,51 +776,39 @@ DECLARE
   country_code VARCHAR(2);
   default_language VARCHAR(10);
   diameter FLOAT;
+  classtable TEXT;
 BEGIN
---  RAISE WARNING '%',NEW.osm_id;
+  --DEBUG: RAISE WARNING '% %',NEW.osm_type,NEW.osm_id;
 
-  -- just block these
-  IF NEW.class = 'highway' and NEW.type in ('turning_circle','traffic_signals','mini_roundabout','noexit','crossing') THEN
---    RAISE WARNING 'bad highway %',NEW.osm_id;
-    RETURN null;
-  END IF;
-  IF NEW.class in ('landuse','natural') and NEW.name is null THEN
---    RAISE WARNING 'empty landuse %',NEW.osm_id;
-    RETURN null;
+  -- ignore interpolated addresses
+  IF NEW.class = 'place' and NEW.type = 'address' THEN
+    RETURN NEW;
   END IF;
 
   IF ST_IsEmpty(NEW.geometry) OR NOT ST_IsValid(NEW.geometry) OR ST_X(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') THEN  
     -- block all invalid geometary - just not worth the risk.  seg faults are causing serious problems.
---    RAISE WARNING 'invalid geometry %',NEW.osm_id;
+    RAISE WARNING 'invalid geometry %',NEW.osm_id;
     RETURN NULL;
-
-    -- Dead code
-    IF NEW.osm_type = 'R' THEN
-      -- invalid multipolygons can crash postgis, don't even bother to try!
-      RETURN NULL;
-    END IF;
-    NEW.geometry := ST_buffer(NEW.geometry,0);
-    IF ST_IsEmpty(NEW.geometry) OR NOT ST_IsValid(NEW.geometry) OR ST_X(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') THEN  
---      RAISE WARNING 'Invalid geometary, rejecting: % %', NEW.osm_type, NEW.osm_id;
-      RETURN NULL;
-    END IF;
   END IF;
 
+  --DEBUG: RAISE WARNING '% % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
+
   NEW.place_id := nextval('seq_place');
   NEW.indexed_status := 1; --STATUS_NEW
 
-  NEW.country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
-  NEW.partition := get_partition(NEW.geometry, NEW.country_code);
+  NEW.calculated_country_code := lower(get_country_code(NEW.geometry));
+
+  NEW.partition := get_partition(NEW.calculated_country_code);
   NEW.geometry_sector := geometry_sector(NEW.partition, NEW.geometry);
 
   -- copy 'name' to or from the default language (if there is a default language)
-  IF NEW.name is not null AND array_upper(%#NEW.name,1) > 1 THEN
-    default_language := get_country_language_code(NEW.country_code);
+  IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
+    default_language := get_country_language_code(NEW.calculated_country_code);
     IF default_language IS NOT NULL THEN
       IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
-        NEW.name := NEW.name || (('name:'||default_language) => (NEW.name -> 'name'));
+        NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
       ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
-        NEW.name := NEW.name || ('name' => (NEW.name -> 'name:'||default_language));
+        NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
       END IF;
     END IF;
   END IF;
@@ -934,63 +828,16 @@ BEGIN
     NEW.rank_address := NEW.rank_search;
 
     -- By doing in postgres we have the country available to us - currently only used for postcode
-    IF NEW.class = 'place' THEN
-      IF NEW.type in ('continent') THEN
-        NEW.rank_search := 2;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('sea') THEN
-        NEW.rank_search := 2;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('country') THEN
-        NEW.rank_search := 4;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('state') THEN
-        NEW.rank_search := 8;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('region') THEN
-        NEW.rank_search := 10;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('county') THEN
-        NEW.rank_search := 12;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('city') THEN
-        NEW.rank_search := 16;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('island') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('town') THEN
-        NEW.rank_search := 18;
-        NEW.rank_address := 16;
-      ELSEIF NEW.type in ('village','hamlet','municipality','district','unincorporated_area','borough') THEN
-        NEW.rank_search := 19;
-        NEW.rank_address := 16;
-      ELSEIF NEW.type in ('airport') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
-        NEW.rank_search := 18;
-        NEW.rank_address := 17;
-      ELSEIF NEW.type in ('moor') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := 18;
-      ELSEIF NEW.type in ('moor') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('national_park') THEN
-        NEW.rank_search := 18;
-        NEW.rank_address := 18;
-      ELSEIF NEW.type in ('suburb','croft','subdivision') THEN
-        NEW.rank_search := 20;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('farm','locality','islet') THEN
-        NEW.rank_search := 20;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('hall_of_residence','neighbourhood','housing_estate','nature_reserve') THEN
-        NEW.rank_search := 22;
-        NEW.rank_address := 22;
-      ELSEIF NEW.type in ('postcode') THEN
+    IF NEW.class in ('place','boundary') AND NEW.type in ('postcode','postal_code') THEN
 
-        NEW.name := 'ref'=>NEW.postcode;
+        IF NEW.postcode IS NULL THEN
+            -- most likely just a part of a multipolygon postcode boundary, throw it away
+            RETURN NULL;
+        END IF;
+
+        NEW.name := hstore('ref', NEW.postcode);
 
-        IF NEW.country_code = 'gb' THEN
+        IF NEW.calculated_country_code = 'gb' THEN
 
           IF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9][A-Z][A-Z])$' THEN
             NEW.rank_search := 25;
@@ -1003,7 +850,14 @@ BEGIN
             NEW.rank_address := 5;
           END IF;
 
-        ELSEIF NEW.country_code = 'de' THEN
+        ELSEIF NEW.calculated_country_code = 'sg' THEN
+
+          IF NEW.postcode ~ '^([0-9]{6})$' THEN
+            NEW.rank_search := 25;
+            NEW.rank_address := 11;
+          END IF;
+
+        ELSEIF NEW.calculated_country_code = 'de' THEN
 
           IF NEW.postcode ~ '^([0-9]{5})$' THEN
             NEW.rank_search := 21;
@@ -1029,16 +883,57 @@ BEGIN
           END IF;
         END IF;
 
-      ELSEIF NEW.type in ('airport','street') THEN
-        NEW.rank_search := 26;
+    ELSEIF NEW.class = 'place' THEN
+      IF NEW.type in ('continent') THEN
+        NEW.rank_search := 2;
         NEW.rank_address := NEW.rank_search;
+        NEW.calculated_country_code := NULL;
+      ELSEIF NEW.type in ('sea') THEN
+        NEW.rank_search := 2;
+        NEW.rank_address := 0;
+        NEW.calculated_country_code := NULL;
+      ELSEIF NEW.type in ('country') THEN
+        NEW.rank_search := 4;
+        NEW.rank_address := NEW.rank_search;
+      ELSEIF NEW.type in ('state') THEN
+        NEW.rank_search := 8;
+        NEW.rank_address := NEW.rank_search;
+      ELSEIF NEW.type in ('region') THEN
+        NEW.rank_search := 18; -- dropped from previous value of 10
+        NEW.rank_address := 0; -- So badly miss-used that better to just drop it!
+      ELSEIF NEW.type in ('county') THEN
+        NEW.rank_search := 12;
+        NEW.rank_address := NEW.rank_search;
+      ELSEIF NEW.type in ('city') THEN
+        NEW.rank_search := 16;
+        NEW.rank_address := NEW.rank_search;
+      ELSEIF NEW.type in ('island') THEN
+        NEW.rank_search := 17;
+        NEW.rank_address := 0;
+      ELSEIF NEW.type in ('town') THEN
+        NEW.rank_search := 18;
+        NEW.rank_address := 16;
+      ELSEIF NEW.type in ('village','hamlet','municipality','district','unincorporated_area','borough') THEN
+        NEW.rank_search := 19;
+        NEW.rank_address := 16;
+      ELSEIF NEW.type in ('suburb','croft','subdivision','isolated_dwelling') THEN
+        NEW.rank_search := 20;
+        NEW.rank_address := NEW.rank_search;
+      ELSEIF NEW.type in ('farm','locality','islet','mountain_pass') THEN
+        NEW.rank_search := 20;
+        NEW.rank_address := 0;
+        -- Irish townlands, tagged as place=locality and locality=townland
+        IF (NEW.extratags -> 'locality') = 'townland' THEN
+          NEW.rank_address := 20;
+        END IF;
+      ELSEIF NEW.type in ('neighbourhood') THEN
+        NEW.rank_search := 22;
+        NEW.rank_address := 22;
       ELSEIF NEW.type in ('house','building') THEN
         NEW.rank_search := 30;
         NEW.rank_address := NEW.rank_search;
       ELSEIF NEW.type in ('houses') THEN
         -- can't guarantee all required nodes loaded yet due to caching in osm2pgsql
-        -- insert new point into place for each derived building
-        --i := create_interpolation(NEW.osm_id, NEW.housenumber);
         NEW.rank_search := 28;
         NEW.rank_address := 0;
       END IF;
@@ -1049,38 +944,46 @@ BEGIN
         return NULL;
       END IF;
       NEW.rank_search := NEW.admin_level * 2;
-      NEW.rank_address := NEW.rank_search;
+      IF NEW.type = 'administrative' THEN
+        NEW.rank_address := NEW.rank_search;
+      ELSE
+        NEW.rank_address := 0;
+      END IF;
     ELSEIF NEW.class = 'landuse' AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
       NEW.rank_search := 22;
+      IF NEW.type in ('residential', 'farm', 'farmyard', 'industrial', 'commercial', 'allotments', 'retail') THEN
+        NEW.rank_address := NEW.rank_search;
+      ELSE
+        NEW.rank_address := 0;
+      END IF;
+    ELSEIF NEW.class = 'natural' and NEW.type in ('peak','volcano','mountain_range') THEN
+      NEW.rank_search := 18;
+      NEW.rank_address := 0;
+    ELSEIF NEW.class = 'natural' and NEW.type = 'sea' THEN
+      NEW.rank_search := 4;
       NEW.rank_address := NEW.rank_search;
     -- any feature more than 5 square miles is probably worth indexing
     ELSEIF ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_Area(NEW.geometry) > 0.1 THEN
       NEW.rank_search := 22;
-      NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'highway' AND NEW.name is NULL AND 
-           NEW.type in ('service','cycleway','path','footway','steps','bridleway','track','byway','motorway_link','primary_link','trunk_link','secondary_link','tertiary_link') THEN
---      RAISE WARNING 'unnamed minor feature %',NEW.osm_id;
-      RETURN NULL;
+      NEW.rank_address := 0;
     ELSEIF NEW.class = 'railway' AND NEW.type in ('rail') THEN
       RETURN NULL;
-    ELSEIF NEW.class = 'waterway' AND NEW.name is NULL THEN
-      RETURN NULL;
     ELSEIF NEW.class = 'waterway' THEN
-      NEW.rank_address := 17;
+      IF NEW.osm_type = 'R' THEN
+        NEW.rank_search := 16;
+      ELSE
+        NEW.rank_search := 17;
+      END IF;
+      NEW.rank_address := 0;
     ELSEIF NEW.class = 'highway' AND NEW.osm_type != 'N' AND NEW.type in ('service','cycleway','path','footway','steps','bridleway','motorway_link','primary_link','trunk_link','secondary_link','tertiary_link') THEN
       NEW.rank_search := 27;
       NEW.rank_address := NEW.rank_search;
     ELSEIF NEW.class = 'highway' AND NEW.osm_type != 'N' THEN
       NEW.rank_search := 26;
       NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'natural' and NEW.type = 'sea' THEN
-      NEW.rank_search := 4;
-      NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'natural' and NEW.type in ('coastline') THEN
-      RETURN NULL;
-    ELSEIF NEW.class = 'natural' and NEW.type in ('peak','volcano') THEN
-      NEW.rank_search := 18;
-      NEW.rank_address := 0;
+    ELSEIF NEW.class = 'mountain_pass' THEN
+        NEW.rank_search := 20;
+        NEW.rank_address := 0;
     END IF;
 
   END IF;
@@ -1094,7 +997,12 @@ BEGIN
   END IF;
 
   IF (NEW.extratags -> 'capital') = 'yes' THEN
-    NEW.rank_search := NEW.rank_search -1;
+    NEW.rank_search := NEW.rank_search - 1;
+  END IF;
+
+  -- a country code make no sense below rank 4 (country)
+  IF NEW.rank_search < 4 THEN
+    NEW.calculated_country_code := NULL;
   END IF;
 
 -- Block import below rank 22
@@ -1102,50 +1010,70 @@ BEGIN
 --    RETURN NULL;
 --  END IF;
 
-  RETURN NEW;  -- The following is not needed until doing diff updates, and slows the main index process down
+  --DEBUG: RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 
-  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
-      -- mark items within the geometry for re-indexing
---    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
--- work around bug in postgis
-      update placex set indexed_status = 2 where (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
-       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point';
-      update placex set indexed_status = 2 where (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
-       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point';
-    END IF;
-  ELSE
-    -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
-    diameter := 0;
-    -- 16 = city, anything higher than city is effectively ignored (polygon required!)
-    IF NEW.type='postcode' THEN
-      diameter := 0.05;
-    ELSEIF NEW.rank_search < 16 THEN
+  RETURN NEW; -- @DIFFUPDATES@ The following is not needed until doing diff updates, and slows the main index process down
+
+  IF NEW.rank_address > 0 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_area(NEW.geometry) < 1 THEN
+        -- mark items within the geometry for re-indexing
+  --    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
+
+        -- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
+        update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
+         AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
+        update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
+         AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
+      END IF;
+    ELSE
+      -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
       diameter := 0;
-    ELSEIF NEW.rank_search < 18 THEN
-      diameter := 0.1;
-    ELSEIF NEW.rank_search < 20 THEN
-      diameter := 0.05;
-    ELSEIF NEW.rank_search = 21 THEN
-      diameter := 0.001;
-    ELSEIF NEW.rank_search < 24 THEN
-      diameter := 0.02;
-    ELSEIF NEW.rank_search < 26 THEN
-      diameter := 0.002; -- 100 to 200 meters
-    ELSEIF NEW.rank_search < 28 THEN
-      diameter := 0.001; -- 50 to 100 meters
-    END IF;
-    IF diameter > 0 THEN
---      RAISE WARNING 'placex point insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,diameter;
-      update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
+      -- 16 = city, anything higher than city is effectively ignored (polygon required!)
+      IF NEW.type='postcode' THEN
+        diameter := 0.05;
+      ELSEIF NEW.rank_search < 16 THEN
+        diameter := 0;
+      ELSEIF NEW.rank_search < 18 THEN
+        diameter := 0.1;
+      ELSEIF NEW.rank_search < 20 THEN
+        diameter := 0.05;
+      ELSEIF NEW.rank_search = 21 THEN
+        diameter := 0.001;
+      ELSEIF NEW.rank_search < 24 THEN
+        diameter := 0.02;
+      ELSEIF NEW.rank_search < 26 THEN
+        diameter := 0.002; -- 100 to 200 meters
+      ELSEIF NEW.rank_search < 28 THEN
+        diameter := 0.001; -- 50 to 100 meters
+      END IF;
+      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
+          -- roads may cause reparenting for >27 rank places
+          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
+        ELSEIF NEW.rank_search >= 16 THEN
+          -- up to rank 16, street-less addresses may need reparenting
+          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null or addr_place is not null);
+        ELSE
+          -- for all other places the search terms may change as well
+          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null);
+        END IF;
+      END IF;
     END IF;
-
   END IF;
 
---  IF NEW.rank_search < 26 THEN
---    RAISE WARNING 'placex insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
---  END IF;
+
+   -- add to tables for special search
+   -- Note: won't work on initial import because the classtype tables
+   -- do not yet exist. It won't hurt either.
+  classtable := 'place_classtype_' || NEW.class || '_' || NEW.type;
+  SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable and schemaname = current_schema() INTO result;
+  IF result THEN
+    EXECUTE 'INSERT INTO ' || classtable::regclass || ' (place_id, centroid) VALUES ($1,$2)' 
+    USING NEW.place_id, ST_Centroid(NEW.geometry);
+  END IF;
 
   RETURN NEW;
 
@@ -1163,35 +1091,59 @@ DECLARE
   search_maxdistance FLOAT[];
   search_mindistance FLOAT[];
   address_havelevel BOOLEAN[];
---  search_scores wordscore[];
---  search_scores_pos INTEGER;
 
   i INTEGER;
   iMax FLOAT;
   location RECORD;
   way RECORD;
   relation RECORD;
+  relation_members TEXT[];
+  relMember RECORD;
+  linkedplacex RECORD;
   search_diameter FLOAT;
   search_prevdiameter FLOAT;
   search_maxrank INTEGER;
   address_maxrank INTEGER;
   address_street_word_id INTEGER;
-  parent_place_id_rank INTEGER;
+  address_street_word_ids INTEGER[];
+  parent_place_id_rank BIGINT;
   
   isin TEXT[];
   isin_tokens INT[];
 
   location_rank_search INTEGER;
   location_distance FLOAT;
+  location_parent GEOMETRY;
+  location_isaddress BOOLEAN;
+  location_keywords INTEGER[];
 
-  tagpairid INTEGER;
-
+  default_language TEXT;
   name_vector INTEGER[];
   nameaddress_vector INTEGER[];
 
+  linked_node_id BIGINT;
+
   result BOOLEAN;
 BEGIN
 
+  -- deferred delete
+  IF OLD.indexed_status = 100 THEN
+    --DEBUG: RAISE WARNING 'placex_update_delete % %',NEW.osm_type,NEW.osm_id;
+    delete from placex where place_id = OLD.place_id;
+    RETURN NULL;
+  END IF;
+
+  IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN
+    RETURN NEW;
+  END IF;
+
+  -- ignore interpolated addresses
+  IF NEW.class = 'place' and NEW.type = 'address' THEN
+    RETURN NEW;
+  END IF;
+
+  --DEBUG: RAISE WARNING 'placex_update % %',NEW.osm_type,NEW.osm_id;
+
 --RAISE WARNING '%',NEW.place_id;
 --RAISE WARNING '%', NEW;
 
@@ -1200,30 +1152,79 @@ BEGIN
     RETURN NEW;
   END IF;
 
-  -- defered delete
-  IF OLD.indexed_status = 100 THEN
-    delete from placex where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type;
-    RETURN NULL;
-  END IF;
-
-  IF NEW.indexed_status = 0 and OLD.indexed_status != 0 THEN
+  -- TODO: this test is now redundant?
+  IF OLD.indexed_status != 0 THEN
 
     NEW.indexed_date = now();
 
-    IF NEW.class = 'place' AND NEW.type = 'houses' THEN
-      i := create_interpolation(NEW.osm_id, NEW.housenumber);
-      RETURN NEW;
-    END IF;
-
     result := deleteSearchName(NEW.partition, NEW.place_id);
     DELETE FROM place_addressline WHERE place_id = NEW.place_id;
-    DELETE FROM place_boundingbox where place_id = NEW.place_id;
     result := deleteRoad(NEW.partition, NEW.place_id);
-    result := deleteLocationArea(NEW.partition, NEW.place_id);
-  
-    NEW.country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
-    NEW.partition := get_partition(NEW.geometry, NEW.country_code);
-    NEW.geometry_sector := geometry_sector(NEW.partition, NEW.geometry);
+    result := deleteLocationArea(NEW.partition, NEW.place_id, NEW.rank_search);
+    UPDATE placex set linked_place_id = null where linked_place_id = NEW.place_id;
+
+    IF NEW.linked_place_id is not null THEN
+      RETURN NEW;
+    END IF;
+
+    -- Speed up searches - just use the centroid of the feature
+    -- cheaper but less acurate
+    place_centroid := ST_PointOnSurface(NEW.geometry);
+    NEW.centroid := null;
+
+    -- recalculate country and partition
+    IF NEW.rank_search = 4 THEN
+      -- for countries, believe the mapped country code,
+      -- so that we remain in the right partition if the boundaries
+      -- suddenly expand.
+      NEW.partition := get_partition(lower(NEW.country_code));
+      IF NEW.partition = 0 THEN
+        NEW.calculated_country_code := lower(get_country_code(place_centroid));
+        NEW.partition := get_partition(NEW.calculated_country_code);
+      ELSE
+        NEW.calculated_country_code := lower(NEW.country_code);
+      END IF;
+    ELSE
+      IF NEW.rank_search > 4 THEN
+        --NEW.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
+        NEW.calculated_country_code := lower(get_country_code(place_centroid));
+      ELSE
+        NEW.calculated_country_code := NULL;
+      END IF;
+      NEW.partition := get_partition(NEW.calculated_country_code);
+    END IF;
+    NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
+
+    -- interpolations
+    IF NEW.class = 'place' AND NEW.type = 'houses'THEN
+      IF NEW.osm_type = 'W' and ST_GeometryType(NEW.geometry) = 'ST_LineString' THEN
+        NEW.parent_place_id := get_interpolation_parent(NEW.osm_id, NEW.street, NEW.addr_place,
+                                                        NEW.partition, place_centroid, NEW.geometry);
+        i := create_interpolation(NEW.osm_id, NEW.housenumber, NEW.parent_place_id,
+                                  NEW.partition, NEW.calculated_country_code,
+                                  NEW.geometry_sector, NEW.postcode, NEW.geometry);
+      END IF;
+      RETURN NEW;
+    END IF;
+
+    -- 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
+        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
+                IF relation_members[i+1] in ('', 'main_stream', 'side_stream') AND substring(relation_members[i],1,1) = 'w' THEN
+                  --DEBUG: RAISE WARNING 'waterway parent %, child %/%', NEW.osm_id, i, relation.members[i];
+                  FOR linked_node_id IN SELECT place_id FROM placex
+                    WHERE osm_type = 'W' and osm_id = substring(relation_members[i],2,200)::bigint
+                    and class = NEW.class and type = NEW.type
+                    and ( relation_members[i+1] != 'side_stream' or NEW.name->'name' = name->'name')
+                  LOOP
+                    UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = linked_node_id;
+                  END LOOP;
+                END IF;
+            END LOOP;
+        END LOOP;
+    END IF;
 
     -- Adding ourselves to the list simplifies address calculations later
     INSERT INTO place_addressline VALUES (NEW.place_id, NEW.place_id, true, true, 0, NEW.rank_address); 
@@ -1231,58 +1232,106 @@ BEGIN
     -- What level are we searching from
     search_maxrank := NEW.rank_search;
 
-    -- Speed up searches - just use the centroid of the feature
-    -- cheaper but less acurate
-    place_centroid := ST_Centroid(NEW.geometry);
+    -- Thought this wasn't needed but when we add new languages to the country_name table
+    -- we need to update the existing names
+    IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
+      default_language := get_country_language_code(NEW.calculated_country_code);
+      IF default_language IS NOT NULL THEN
+        IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
+          NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
+        ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
+          NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
+        END IF;
+      END IF;
+    END IF;
 
     -- Initialise the name vector using our name
     name_vector := make_keywords(NEW.name);
     nameaddress_vector := '{}'::int[];
 
-    -- some tag combinations add a special id for search
-    tagpairid := get_tagpair(NEW.class,NEW.type);
-    IF tagpairid IS NOT NULL THEN
-      name_vector := name_vector + tagpairid;
-    END IF;
-
     FOR i IN 1..28 LOOP
       address_havelevel[i] := false;
     END LOOP;
 
---RAISE WARNING '% %', NEW.place_id, NEW.rank_search;
+    NEW.importance := null;
+    select language||':'||title,importance from get_wikipedia_match(NEW.extratags, NEW.calculated_country_code) INTO NEW.wikipedia,NEW.importance;
+    IF NEW.importance IS NULL THEN
+      select language||':'||title,importance from wikipedia_article where osm_type = NEW.osm_type and osm_id = NEW.osm_id order by importance desc limit 1 INTO NEW.wikipedia,NEW.importance;
+    END IF;
+
+--RAISE WARNING 'before low level% %', NEW.place_id, NEW.rank_search;
 
     -- For low level elements we inherit from our parent road
     IF (NEW.rank_search > 27 OR (NEW.type = 'postcode' AND NEW.rank_search = 25)) THEN
 
 --RAISE WARNING 'finding street for %', NEW;
 
+      -- We won't get a better centroid, besides these places are too small to care
+      NEW.centroid := place_centroid;
+
       NEW.parent_place_id := null;
 
-      -- to do that we have to find our parent road
+      -- if we have a POI and there is no address information,
+      -- see if we can get it from a surrounding building
+      IF NEW.osm_type = 'N' AND NEW.street IS NULL AND NEW.addr_place IS NULL
+         AND NEW.housenumber IS NULL THEN
+        FOR location IN select * from placex where ST_Covers(geometry, place_centroid)
+              and (housenumber is not null or street is not null or addr_place is not null)
+              and rank_search > 28 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
+              limit 1
+        LOOP
+          NEW.housenumber := location.housenumber;
+          NEW.street := location.street;
+          NEW.addr_place := location.addr_place;
+        END LOOP;
+      END IF;
+
+      -- We have to find our parent road.
       -- Copy data from linked items (points on ways, addr:street links, relations)
-      -- Note that addr:street links can only be indexed once the street itself is indexed
-      IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
 
-        -- Is this node part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id::integer] and members @> ARRAY['n'||NEW.osm_id]
+      -- Is this object part of a relation?
+        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY[lower(NEW.osm_type)||NEW.osm_id]
         LOOP
           -- At the moment we only process one type of relation - associatedStreet
-          IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
+          IF relation.tags @> ARRAY['associatedStreet'] THEN
             FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
               IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
 --RAISE WARNING 'node in relation %',relation;
-                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::integer 
-                  and rank_search = 26 INTO NEW.parent_place_id;
+                SELECT place_id from placex where osm_type = 'W'
+                  and osm_id = substring(relation.members[i],2,200)::bigint
+                  and rank_search = 26 and name is not null INTO NEW.parent_place_id;
               END IF;
             END LOOP;
           END IF;
-        END LOOP;      
+        END LOOP;
+
+
+      -- Note that addr:street links can only be indexed once the street itself is indexed
+       IF NEW.parent_place_id IS NULL AND NEW.street IS NOT NULL THEN
+        address_street_word_ids := get_name_ids(make_standard_name(NEW.street));
+        IF address_street_word_ids IS NOT NULL THEN
+          FOR location IN SELECT * from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+              NEW.parent_place_id := location.place_id;
+          END LOOP;
+        END IF;
+      END IF;
+
+      IF NEW.parent_place_id IS NULL AND NEW.addr_place IS NOT NULL THEN
+        address_street_word_ids := get_name_ids(make_standard_name(NEW.addr_place));
+        IF address_street_word_ids IS NOT NULL THEN
+          FOR location IN SELECT * from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+            NEW.parent_place_id := location.place_id;
+          END LOOP;
+        END IF;
+      END IF;
+
+      IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
 
 --RAISE WARNING 'x1';
         -- Is this node part of a way?
-        FOR way IN select id from planet_osm_ways where nodes && ARRAY[NEW.osm_id::integer] LOOP
---RAISE WARNING '%', way;
-        FOR location IN select * from placex where osm_type = 'W' and osm_id = way.id
+        FOR location IN select p.* from placex p, planet_osm_ways w
+           where p.osm_type = 'W' and p.rank_search >= 26
+             and p.geometry && NEW.geometry and p.osm_id = w.id and NEW.osm_id = any(w.nodes)
         LOOP
 --RAISE WARNING '%', location;
           -- Way IS a road then we are on it - that must be our road
@@ -1291,75 +1340,49 @@ BEGIN
             NEW.parent_place_id := location.place_id;
           END IF;
 
+          -- If this way is a street interpolation line then it is probably as good as we are going to get
+          IF NEW.parent_place_id IS NULL AND location.class = 'place' and location.type='houses' THEN
+            NEW.parent_place_id := location.parent_place_id;
+          END IF;
+
           -- Is the WAY part of a relation
-          FOR relation IN select * from planet_osm_rels where parts @> ARRAY[location.osm_id::integer] and members @> ARRAY['w'||location.osm_id]
-          LOOP
-            -- At the moment we only process one type of relation - associatedStreet
-            IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
-              FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
-                IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
---RAISE WARNING 'node in way that is in a relation %',relation;
-                  SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::integer 
-                    and rank_search = 26 INTO NEW.parent_place_id;
+          IF NEW.parent_place_id IS NULL THEN
+              FOR relation IN select * from planet_osm_rels where parts @> ARRAY[location.osm_id] and members @> ARRAY['w'||location.osm_id]
+              LOOP
+                -- At the moment we only process one type of relation - associatedStreet
+                IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
+                  FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
+                    IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
+    --RAISE WARNING 'node in way that is in a relation %',relation;
+                      SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint 
+                        and rank_search = 26 and name is not null INTO NEW.parent_place_id;
+                    END IF;
+                  END LOOP;
                 END IF;
               END LOOP;
-            END IF;
-          END LOOP;
-          
-          -- If the way contains an explicit name of a street copy it
-          IF NEW.street IS NULL AND location.street IS NOT NULL THEN
---RAISE WARNING 'node in way that has a streetname %',location;
-            NEW.street := location.street;
           END IF;
 
-          -- If this way is a street interpolation line then it is probably as good as we are going to get
-          IF NEW.parent_place_id IS NULL AND NEW.street IS NULL AND location.class = 'place' and location.type='houses' THEN
-            -- Try and find a way that is close roughly parellel to this line
-            FOR relation IN SELECT place_id FROM placex
-              WHERE ST_DWithin(location.geometry, placex.geometry, 0.001) and placex.rank_search = 26
-                and st_geometrytype(location.geometry) in ('ST_LineString')
-              ORDER BY (ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,0))+
-                        ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,0.5))+
-                        ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,1))) ASC limit 1
-            LOOP
---RAISE WARNING 'using nearest street to address interpolation line,0.001 %',relation;
-              NEW.parent_place_id := relation.place_id;
-            END LOOP;
+          -- If the way mentions a street or place address, try that for parenting.
+          IF NEW.parent_place_id IS NULL AND location.street IS NOT NULL THEN
+            address_street_word_ids := get_name_ids(make_standard_name(location.street));
+            IF address_street_word_ids IS NOT NULL THEN
+              FOR linkedplacex IN SELECT place_id from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+                  NEW.parent_place_id := linkedplacex.place_id;
+              END LOOP;
+            END IF;
           END IF;
 
-        END LOOP;
-        END LOOP;
-                
-      END IF;
-
---RAISE WARNING 'x2';
-
-      IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'W' THEN
-        -- Is this way part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id::integer] and members @> ARRAY['w'||NEW.osm_id]
-        LOOP
-          -- At the moment we only process one type of relation - associatedStreet
-          IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
-            FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
-              IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
---RAISE WARNING 'way that is in a relation %',relation;
-                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::integer
-                  and rank_search = 26 INTO NEW.parent_place_id;
-              END IF;
-            END LOOP;
+          IF NEW.parent_place_id IS NULL AND location.addr_place IS NOT NULL THEN
+            address_street_word_ids := get_name_ids(make_standard_name(location.addr_place));
+            IF address_street_word_ids IS NOT NULL THEN
+              FOR linkedplacex IN SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+                NEW.parent_place_id := linkedplacex.place_id;
+              END LOOP;
+            END IF;
           END IF;
+
         END LOOP;
-      END IF;
-      
---RAISE WARNING 'x3 %',NEW.parent_place_id;
 
-      IF NEW.parent_place_id IS NULL AND NEW.street IS NOT NULL THEN
-      	address_street_word_id := get_name_id(make_standard_name(NEW.street));
-        IF address_street_word_id IS NOT NULL THEN
-          FOR location IN SELECT * from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_id) LOOP
-            NEW.parent_place_id := location.place_id;
-          END LOOP;
-        END IF;
       END IF;
 
 --RAISE WARNING 'x4 %',NEW.parent_place_id;
@@ -1376,18 +1399,29 @@ BEGIN
       -- If we didn't find any road fallback to standard method
       IF NEW.parent_place_id IS NOT NULL THEN
 
-        -- Add the street to the address as zero distance to force to front of list
-        INSERT INTO place_addressline VALUES (NEW.place_id, NEW.parent_place_id, true, true, 0, 26);
-        address_havelevel[26] := true;
-
-        -- Import address details from parent, reclculating distance in process
-        INSERT INTO place_addressline select NEW.place_id, x.address_place_id, x.fromarea, x.isaddress, ST_distance(NEW.geometry, placex.geometry), placex.rank_address
-          from place_addressline as x join placex on (address_place_id = placex.place_id)
-          where x.place_id = NEW.parent_place_id and x.address_place_id != NEW.parent_place_id;
-
         -- Get the details of the parent road
         select * from search_name where place_id = NEW.parent_place_id INTO location;
-        NEW.country_code := location.country_code;
+        NEW.calculated_country_code := location.country_code;
+
+        -- Merge the postcode into the parent's address if necessary XXXX
+        IF NEW.postcode IS NOT NULL THEN
+          isin_tokens := '{}'::int[];
+          address_street_word_id := getorcreate_word_id(make_standard_name(NEW.postcode));
+          IF address_street_word_id is not null
+             and not ARRAY[address_street_word_id] <@ location.nameaddress_vector THEN
+             isin_tokens := isin_tokens || address_street_word_id;
+          END IF;
+          address_street_word_id := getorcreate_name_id(make_standard_name(NEW.postcode));
+          IF address_street_word_id is not null
+             and not ARRAY[address_street_word_id] <@ location.nameaddress_vector THEN
+             isin_tokens := isin_tokens || address_street_word_id;
+          END IF;
+          IF isin_tokens != '{}'::int[] THEN
+             UPDATE search_name
+                SET nameaddress_vector = search_name.nameaddress_vector || isin_tokens
+              WHERE place_id = NEW.parent_place_id;
+          END IF;
+        END IF;
 
 --RAISE WARNING '%', NEW.name;
         -- If there is no name it isn't searchable, don't bother to create a search record
@@ -1397,23 +1431,170 @@ BEGIN
 
         -- Merge address from parent
         nameaddress_vector := array_merge(nameaddress_vector, location.nameaddress_vector);
---return NEW;
-        -- Performance, it would be more acurate to do all the rest of the import process but it takes too long
+        nameaddress_vector := array_merge(nameaddress_vector, location.name_vector);
+
+        -- Performance, it would be more acurate to do all the rest of the import
+        -- process but it takes too long
         -- Just be happy with inheriting from parent road only
 
-        IF NEW.rank_search <= 25 THEN
-          result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
+        IF NEW.rank_search <= 25 and NEW.rank_address > 0 THEN
+          result := add_location(NEW.place_id, NEW.calculated_country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
         END IF;
 
-        result := insertSearchName(NEW.partition, NEW.place_id, NEW.country_code, name_vector, nameaddress_vector, NEW.rank_search, NEW.rank_address, place_centroid);
+        result := insertSearchName(NEW.partition, NEW.place_id, NEW.calculated_country_code, name_vector, nameaddress_vector, NEW.rank_search, NEW.rank_address, NEW.importance, place_centroid, NEW.geometry);
 
         return NEW;
       END IF;
 
     END IF;
 
+-- RAISE WARNING '  INDEXING Started:';
 -- RAISE WARNING '  INDEXING: %',NEW;
 
+    IF NEW.osm_type = 'R' AND NEW.rank_search < 26 THEN
+
+      -- see if we have any special relation members
+      select members from planet_osm_rels where id = NEW.osm_id INTO relation_members;
+
+-- RAISE WARNING 'get_osm_rel_members, label';
+      IF relation_members IS NOT NULL THEN
+        FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['label']) as member LOOP
+
+          FOR linkedPlacex IN select * from placex where osm_type = upper(substring(relMember.member,1,1))::char(1) 
+            and osm_id = substring(relMember.member,2,10000)::bigint order by rank_search desc limit 1 LOOP
+
+            -- If we don't already have one use this as the centre point of the geometry
+            IF NEW.centroid IS NULL THEN
+              NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
+            END IF;
+
+            -- merge in the label name, re-init word vector
+            IF NOT linkedPlacex.name IS NULL THEN
+              NEW.name := linkedPlacex.name || NEW.name;
+              name_vector := array_merge(name_vector, make_keywords(linkedPlacex.name));
+            END IF;
+
+            -- merge in extra tags
+            NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
+
+            -- mark the linked place (excludes from search results)
+            UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
+
+            -- keep a note of the node id in case we need it for wikipedia in a bit
+            linked_node_id := linkedPlacex.osm_id;
+          END LOOP;
+
+        END LOOP;
+
+        IF NEW.centroid IS NULL THEN
+
+          FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['admin_center','admin_centre']) as member LOOP
+
+            FOR linkedPlacex IN select * from placex where osm_type = upper(substring(relMember.member,1,1))::char(1) 
+              and osm_id = substring(relMember.member,2,10000)::bigint order by rank_search desc limit 1 LOOP
+
+              -- For an admin centre we also want a name match - still not perfect, for example 'new york, new york'
+              -- But that can be fixed by explicitly setting the label in the data
+              IF make_standard_name(NEW.name->'name') = make_standard_name(linkedPlacex.name->'name') 
+                AND NEW.rank_address = linkedPlacex.rank_address THEN
+
+                -- If we don't already have one use this as the centre point of the geometry
+                IF NEW.centroid IS NULL THEN
+                  NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
+                END IF;
+
+                -- merge in the name, re-init word vector
+                IF NOT linkedPlacex.name IS NULL THEN
+                  NEW.name := linkedPlacex.name || NEW.name;
+                  name_vector := make_keywords(NEW.name);
+                END IF;
+
+                -- merge in extra tags
+                NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
+
+                -- mark the linked place (excludes from search results)
+                UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
+
+                -- keep a note of the node id in case we need it for wikipedia in a bit
+                linked_node_id := linkedPlacex.osm_id;
+              END IF;
+
+            END LOOP;
+
+          END LOOP;
+
+        END IF;
+      END IF;
+
+    END IF;
+
+    -- Name searches can be done for ways as well as relations
+    IF NEW.osm_type in ('W','R') AND NEW.rank_search < 26 AND NEW.rank_address > 0 THEN
+
+      -- not found one yet? how about doing a name search
+      IF NEW.centroid IS NULL AND (NEW.name->'name') is not null and make_standard_name(NEW.name->'name') != '' THEN
+
+        FOR linkedPlacex IN select placex.* from placex WHERE
+          make_standard_name(name->'name') = make_standard_name(NEW.name->'name')
+          AND placex.rank_address = NEW.rank_address
+          AND placex.place_id != NEW.place_id
+          AND placex.osm_type = 'N'::char(1) AND placex.rank_search < 26
+          AND st_covers(NEW.geometry, placex.geometry)
+        LOOP
+
+          -- If we don't already have one use this as the centre point of the geometry
+          IF NEW.centroid IS NULL THEN
+            NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
+          END IF;
+
+          -- merge in the name, re-init word vector
+          NEW.name := linkedPlacex.name || NEW.name;
+          name_vector := make_keywords(NEW.name);
+
+          -- merge in extra tags
+          NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
+
+          -- mark the linked place (excludes from search results)
+          UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
+
+          -- keep a note of the node id in case we need it for wikipedia in a bit
+          linked_node_id := linkedPlacex.osm_id;
+        END LOOP;
+      END IF;
+
+      IF NEW.centroid IS NOT NULL THEN
+        place_centroid := NEW.centroid;
+        -- Place might have had only a name tag before but has now received translations
+        -- from the linked place. Make sure a name tag for the default language exists in
+        -- this case. 
+        IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
+          default_language := get_country_language_code(NEW.calculated_country_code);
+          IF default_language IS NOT NULL THEN
+            IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
+              NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
+            ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
+              NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
+            END IF;
+          END IF;
+        END IF;
+      END IF;
+
+      -- Did we gain a wikipedia tag in the process? then we need to recalculate our importance
+      IF NEW.importance is null THEN
+        select language||':'||title,importance from get_wikipedia_match(NEW.extratags, NEW.calculated_country_code) INTO NEW.wikipedia,NEW.importance;
+      END IF;
+      -- Still null? how about looking it up by the node id
+      IF NEW.importance IS NULL THEN
+        select language||':'||title,importance from wikipedia_article where osm_type = 'N'::char(1) and osm_id = linked_node_id order by importance desc limit 1 INTO NEW.wikipedia,NEW.importance;
+      END IF;
+
+    END IF;
+
+    -- make sure all names are in the word table
+    IF NEW.admin_level = 2 AND NEW.class = 'boundary' AND NEW.type = 'administrative' AND NEW.country_code IS NOT NULL THEN
+      perform create_country(NEW.name, lower(NEW.country_code));
+    END IF;
+
     NEW.parent_place_id = 0;
     parent_place_id_rank = 0;
 
@@ -1424,52 +1605,115 @@ BEGIN
       IF array_upper(isin, 1) IS NOT NULL THEN
         FOR i IN 1..array_upper(isin, 1) LOOP
           address_street_word_id := get_name_id(make_standard_name(isin[i]));
+          IF address_street_word_id IS NOT NULL AND NOT(ARRAY[address_street_word_id] <@ isin_tokens) THEN
+            nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
+            isin_tokens := isin_tokens || address_street_word_id;
+          END IF;
+
+          -- merge word into address vector
+          address_street_word_id := get_word_id(make_standard_name(isin[i]));
           IF address_street_word_id IS NOT NULL THEN
-            isin_tokens := isin_tokens + address_street_word_id;
+            nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
           END IF;
         END LOOP;
       END IF;
-      isin_tokens := uniq(sort(isin_tokens));
     END IF;
     IF NEW.postcode IS NOT NULL THEN
       isin := regexp_split_to_array(NEW.postcode, E'[;,]');
       IF array_upper(isin, 1) IS NOT NULL THEN
         FOR i IN 1..array_upper(isin, 1) LOOP
           address_street_word_id := get_name_id(make_standard_name(isin[i]));
+          IF address_street_word_id IS NOT NULL AND NOT(ARRAY[address_street_word_id] <@ isin_tokens) THEN
+            nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
+            isin_tokens := isin_tokens || address_street_word_id;
+          END IF;
+
+          -- merge into address vector
+          address_street_word_id := get_word_id(make_standard_name(isin[i]));
           IF address_street_word_id IS NOT NULL THEN
-            isin_tokens := isin_tokens + address_street_word_id;
+            nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
           END IF;
         END LOOP;
       END IF;
-      isin_tokens := uniq(sort(isin_tokens));
     END IF;
---RAISE WARNING 'ISIN: %', isin_tokens;
+
+    -- for the USA we have an additional address table.  Merge in zip codes from there too
+    IF NEW.rank_search = 26 AND NEW.calculated_country_code = 'us' THEN
+      FOR location IN SELECT distinct postcode from location_property_tiger where parent_place_id = NEW.place_id LOOP
+        address_street_word_id := get_name_id(make_standard_name(location.postcode));
+        nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
+        isin_tokens := isin_tokens || address_street_word_id;
+
+        -- also merge in the single word version
+        address_street_word_id := get_word_id(make_standard_name(location.postcode));
+        nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
+      END LOOP;
+    END IF;
+
+-- RAISE WARNING 'ISIN: %', isin_tokens;
 
     -- Process area matches
-    location_rank_search := 100;
+    location_rank_search := 0;
     location_distance := 0;
---RAISE WARNING '  getNearFeatures(%,%,%,%)',NEW.partition, place_centroid, search_maxrank, isin_tokens;
+    location_parent := NULL;
+    -- added ourself as address already
+    address_havelevel[NEW.rank_address] := true;
+    -- RAISE WARNING '  getNearFeatures(%,''%'',%,''%'')',NEW.partition, place_centroid, search_maxrank, isin_tokens;
     FOR location IN SELECT * from getNearFeatures(NEW.partition, place_centroid, search_maxrank, isin_tokens) LOOP
 
 --RAISE WARNING '  AREA: %',location;
 
-      IF location.rank_search < location_rank_search THEN
-        location_rank_search := location.rank_search;
-        location_distance := location.distance * 1.5;
+      IF location.rank_address != location_rank_search THEN
+        location_rank_search := location.rank_address;
+        IF location.isguess THEN
+          location_distance := location.distance * 1.5;
+        ELSE
+          IF location.rank_address <= 12 THEN
+            -- for county and above, if we have an area consider that exact
+            -- (It would be nice to relax the constraint for places close to
+            --  the boundary but we'd need the exact geometry for that. Too
+            --  expensive.)
+            location_distance = 0;
+          ELSE
+            -- Below county level remain slightly fuzzy.
+            location_distance := location.distance * 0.5;
+          END IF;
+        END IF;
+      ELSE
+        CONTINUE WHEN location.keywords <@ location_keywords;
       END IF;
 
-      IF location.distance < location_distance THEN
+      IF location.distance < location_distance OR NOT location.isguess THEN
+        location_keywords := location.keywords;
+
+        location_isaddress := NOT address_havelevel[location.rank_address];
+        IF location_isaddress AND location.isguess AND location_parent IS NOT NULL THEN
+            location_isaddress := ST_Contains(location_parent,location.centroid);
+        END IF;
 
+        -- RAISE WARNING '% isaddress: %', location.place_id, location_isaddress;
         -- Add it to the list of search terms
-        nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
-        INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, true, NOT address_havelevel[location.rank_address], location.distance, location.rank_address); 
-        address_havelevel[location.rank_address] := true;
+        IF location.rank_search > 4 THEN
+            nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
+        END IF;
+        INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, true, location_isaddress, location.distance, location.rank_address);
+
+        IF location_isaddress THEN
+
+          address_havelevel[location.rank_address] := true;
+          IF NOT location.isguess THEN
+            SELECT geometry FROM placex WHERE place_id = location.place_id INTO location_parent;
+          END IF;
+
+          IF location.rank_address > parent_place_id_rank THEN
+            NEW.parent_place_id = location.place_id;
+            parent_place_id_rank = location.rank_address;
+          END IF;
 
-        IF location.rank_address > parent_place_id_rank THEN
-          NEW.parent_place_id = location.place_id;
-          parent_place_id_rank = location.rank_address;
         END IF;
 
+--RAISE WARNING '  Terms: (%) %',location, nameaddress_vector;
+
       END IF;
 
     END LOOP;
@@ -1478,21 +1722,25 @@ BEGIN
     IF array_upper(isin_tokens, 1) IS NOT NULL THEN
       FOR i IN 1..array_upper(isin_tokens, 1) LOOP
 --RAISE WARNING '  getNearestNamedFeature: % % % %',NEW.partition, place_centroid, search_maxrank, isin_tokens[i];
+        IF NOT ARRAY[isin_tokens[i]] <@ nameaddress_vector THEN
 
-        FOR location IN SELECT * from getNearestNamedFeature(NEW.partition, place_centroid, search_maxrank, isin_tokens[i]) LOOP
+          FOR location IN SELECT * from getNearestNamedFeature(NEW.partition, place_centroid, search_maxrank, isin_tokens[i]) LOOP
 
---RAISE WARNING '  ISIN: %',location;
+  --RAISE WARNING '  ISIN: %',location;
 
-          nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
-          INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, false, NOT address_havelevel[location.rank_address], location.distance, location.rank_address);
-          address_havelevel[location.rank_address] := true;
+            IF location.rank_search > 4 THEN
+                nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
+                INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, false, NOT address_havelevel[location.rank_address], location.distance, location.rank_address);
+                address_havelevel[location.rank_address] := true;
 
-          IF location.rank_address > parent_place_id_rank THEN
-            NEW.parent_place_id = location.place_id;
-            parent_place_id_rank = location.rank_address;
-          END IF;
+                IF location.rank_address > parent_place_id_rank THEN
+                  NEW.parent_place_id = location.place_id;
+                  parent_place_id_rank = location.rank_address;
+                END IF;
+            END IF;
+          END LOOP;
 
-        END LOOP;
+        END IF;
 
       END LOOP;
     END IF;
@@ -1500,17 +1748,17 @@ BEGIN
     -- for long ways we should add search terms for the entire length
     IF st_length(NEW.geometry) > 0.05 THEN
 
-      location_rank_search := 100;
+      location_rank_search := 0;
       location_distance := 0;
 
       FOR location IN SELECT * from getNearFeatures(NEW.partition, NEW.geometry, search_maxrank, isin_tokens) LOOP
 
-        IF location.rank_search < location_rank_search THEN
-          location_rank_search := location.rank_search;
+        IF location.rank_address != location_rank_search THEN
+          location_rank_search := location.rank_address;
           location_distance := location.distance * 1.5;
         END IF;
 
-        IF location.distance < location_distance THEN
+        IF location.rank_search > 4 AND location.distance < location_distance THEN
 
           -- Add it to the list of search terms
           nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
@@ -1525,17 +1773,21 @@ BEGIN
     -- if we have a name add this to the name search table
     IF NEW.name IS NOT NULL THEN
 
-      IF NEW.rank_search <= 25 THEN
-        result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
+      IF NEW.rank_search <= 25 and NEW.rank_address > 0 THEN
+        result := add_location(NEW.place_id, NEW.calculated_country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
       END IF;
 
       IF NEW.rank_search between 26 and 27 and NEW.class = 'highway' THEN
-        result := insertLocationRoad(NEW.partition, NEW.place_id, NEW.country_code, NEW.geometry);
+        result := insertLocationRoad(NEW.partition, NEW.place_id, NEW.calculated_country_code, NEW.geometry);
       END IF;
 
-      result := insertSearchName(NEW.partition, NEW.place_id, NEW.country_code, name_vector, nameaddress_vector, NEW.rank_search, NEW.rank_address, place_centroid);
+      result := insertSearchName(NEW.partition, NEW.place_id, NEW.calculated_country_code, name_vector, nameaddress_vector, NEW.rank_search, NEW.rank_address, NEW.importance, place_centroid, NEW.geometry);
+
+    END IF;
 
---      INSERT INTO search_name values (NEW.place_id, NEW.rank_search, NEW.rank_search, 0, NEW.country_code, name_vector, nameaddress_vector, place_centroid);
+    -- If we've not managed to pick up a better one - default centroid
+    IF NEW.centroid IS NULL THEN
+      NEW.centroid := place_centroid;
     END IF;
 
   END IF;
@@ -1549,32 +1801,61 @@ CREATE OR REPLACE FUNCTION placex_delete() RETURNS TRIGGER
   AS $$
 DECLARE
   b BOOLEAN;
+  classtable TEXT;
 BEGIN
+  -- RAISE WARNING 'placex_delete % %',OLD.osm_type,OLD.osm_id;
+
+  update placex set linked_place_id = null, indexed_status = 2 where linked_place_id = OLD.place_id and indexed_status = 0;
+  --DEBUG: RAISE WARNING 'placex_delete:01 % %',OLD.osm_type,OLD.osm_id;
+  update placex set linked_place_id = null where linked_place_id = OLD.place_id;
+  --DEBUG: RAISE WARNING 'placex_delete:02 % %',OLD.osm_type,OLD.osm_id;
 
   IF OLD.rank_address < 30 THEN
 
     -- mark everything linked to this place for re-indexing
+    --DEBUG: RAISE WARNING 'placex_delete:03 % %',OLD.osm_type,OLD.osm_id;
     UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = OLD.place_id 
-      and placex.place_id = place_addressline.place_id and indexed_status = 0;
+      and placex.place_id = place_addressline.place_id and indexed_status = 0 and place_addressline.isaddress;
 
+    --DEBUG: RAISE WARNING 'placex_delete:04 % %',OLD.osm_type,OLD.osm_id;
     DELETE FROM place_addressline where address_place_id = OLD.place_id;
 
+    --DEBUG: RAISE WARNING 'placex_delete:05 % %',OLD.osm_type,OLD.osm_id;
     b := deleteRoad(OLD.partition, OLD.place_id);
 
+    --DEBUG: RAISE WARNING 'placex_delete:06 % %',OLD.osm_type,OLD.osm_id;
     update placex set indexed_status = 2 where parent_place_id = OLD.place_id and indexed_status = 0;
+    --DEBUG: RAISE WARNING 'placex_delete:07 % %',OLD.osm_type,OLD.osm_id;
 
   END IF;
 
+  --DEBUG: RAISE WARNING 'placex_delete:08 % %',OLD.osm_type,OLD.osm_id;
+
   IF OLD.rank_address < 26 THEN
-    b := deleteLocationArea(OLD.partition, OLD.place_id);
+    b := deleteLocationArea(OLD.partition, OLD.place_id, OLD.rank_search);
   END IF;
 
+  --DEBUG: RAISE WARNING 'placex_delete:09 % %',OLD.osm_type,OLD.osm_id;
+
   IF OLD.name is not null THEN
     b := deleteSearchName(OLD.partition, OLD.place_id);
   END IF;
 
+  --DEBUG: RAISE WARNING 'placex_delete:10 % %',OLD.osm_type,OLD.osm_id;
+
   DELETE FROM place_addressline where place_id = OLD.place_id;
 
+  --DEBUG: RAISE WARNING 'placex_delete:11 % %',OLD.osm_type,OLD.osm_id;
+
+  -- remove from tables for special search
+  classtable := 'place_classtype_' || OLD.class || '_' || OLD.type;
+  SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable and schemaname = current_schema() INTO b;
+  IF b THEN
+    EXECUTE 'DELETE FROM ' || classtable::regclass || ' WHERE place_id = $1' USING OLD.place_id;
+  END IF;
+
+  --DEBUG: RAISE WARNING 'placex_delete:12 % %',OLD.osm_type,OLD.osm_id;
+
   RETURN OLD;
 
 END;
@@ -1584,15 +1865,28 @@ LANGUAGE plpgsql;
 CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
   AS $$
 DECLARE
-  placeid INTEGER;
+  has_rank BOOLEAN;
 BEGIN
 
---  RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
+  --DEBUG: RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
+
+  -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
+  IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN
+    SELECT bool_or(not (rank_address = 0 or rank_address > 26)) as ranked FROM placex WHERE osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type INTO has_rank;
+    IF has_rank THEN
+      insert into import_polygon_delete values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type);
+      RETURN NULL;
+    END IF;
+  END IF;
 
   -- mark for delete
   UPDATE placex set indexed_status = 100 where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type;
 
---  delete from placex where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type;
+  -- interpolations are special
+  IF OLD.class = 'place' and OLD.type = 'houses' THEN
+    UPDATE placex set indexed_status = 100 where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = 'place' and type = 'address';
+  END IF;
+
   RETURN OLD;
 
 END;
@@ -1606,24 +1900,17 @@ DECLARE
   existing RECORD;
   existingplacex RECORD;
   existinggeometry GEOMETRY;
-  existingplace_id INTEGER;
+  existingplace_id BIGINT;
   result BOOLEAN;
   partition INTEGER;
 BEGIN
 
+  --DEBUG: RAISE WARNING '-----------------------------------------------------------------------------------';
+  --DEBUG: RAISE WARNING 'place_insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,st_area(NEW.geometry);
+
   IF FALSE and NEW.osm_type = 'R' THEN
-    RAISE WARNING '-----------------------------------------------------------------------------------';
-    RAISE WARNING 'place_insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,st_area(NEW.geometry);
     select * from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existingplacex;
-    RAISE WARNING '%', existingplacex;
-  END IF;
-
-  -- Just block these - lots and pointless
-  IF NEW.class = 'highway' and NEW.type in ('turning_circle','traffic_signals','mini_roundabout','noexit','crossing') THEN
-    RETURN null;
-  END IF;
-  IF NEW.class in ('landuse','natural') and NEW.name is null THEN
-    RETURN null;
+    --DEBUG: RAISE WARNING '%', existingplacex;
   END IF;
 
   IF ST_IsEmpty(NEW.geometry) OR NOT ST_IsValid(NEW.geometry) OR ST_X(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEW.geometry))::text in ('NaN','Infinity','-Infinity') THEN  
@@ -1635,7 +1922,7 @@ BEGIN
 
   -- Patch in additional country names
   IF NEW.admin_level = 2 AND NEW.type = 'administrative' AND NEW.country_code is not null THEN
-    select country_name.name || NEW.name from country_name where country_name.country_code = lower(NEW.country_code) INTO NEW.name;
+    select coalesce(country_name.name || NEW.name,NEW.name) from country_name where country_name.country_code = lower(NEW.country_code) INTO NEW.name;
   END IF;
     
   -- Have we already done this place?
@@ -1645,13 +1932,14 @@ BEGIN
   select * from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existingplacex;
 
   -- Handle a place changing type by removing the old data
-  -- My generated 'place' types are causing havok because they overlap with real tags
+  -- My generated 'place' types are causing havok because they overlap with real keys
   -- TODO: move them to their own special purpose key/class to avoid collisions
---  IF existing.osm_type IS NULL AND (NEW.type not in ('postcode','house','houses')) THEN
---    DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type not in ('postcode','house','houses');
---  END IF;
+  IF existing.osm_type IS NULL THEN
+    DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class;
+  END IF;
 
---  RAISE WARNING 'Existing: %',existing.place_id;
+  --DEBUG: RAISE WARNING 'Existing: %',existing.osm_id;
+  --DEBUG: RAISE WARNING 'Existing PlaceX: %',existingplacex.place_id;
 
   -- Log and discard 
   IF existing.geometry is not null AND st_isvalid(existing.geometry) 
@@ -1665,35 +1953,32 @@ BEGIN
   END IF;
 
   DELETE from import_polygon_error where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
-
-  -- To paraphrase, if there isn't an existing item, OR if the admin level has changed, OR if it is a major change in geometry
-  IF existing.osm_type IS NULL 
-     OR existingplacex.osm_type IS NULL
-     OR coalesce(existing.admin_level, 100) != coalesce(NEW.admin_level, 100) 
-     OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')
-     OR (existing.geometry::text != NEW.geometry::text AND ST_Distance(ST_Centroid(existing.geometry),ST_Centroid(NEW.geometry)) > 0.01 AND NOT
-     (ST_GeometryType(existing.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon')))
-     THEN
-
---  IF existing.osm_type IS NULL THEN
---    RAISE WARNING 'no existing place';
---  END IF;
---  IF existingplacex.osm_type IS NULL THEN
---    RAISE WARNING 'no existing placex %', existingplacex;
---  END IF;
-
---    RAISE WARNING 'delete and replace';
+  DELETE from import_polygon_delete where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
+
+  -- To paraphrase, if there isn't an existing item, OR if the admin level has changed
+  IF existingplacex.osm_type IS NULL OR
+    (coalesce(existingplacex.admin_level, 15) != coalesce(NEW.admin_level, 15) AND existingplacex.class = 'boundary' AND existingplacex.type = 'administrative')
+  THEN
+
+    IF existingplacex.osm_type IS NOT NULL THEN
+      -- sanity check: ignore admin_level changes on places with too many active children
+      -- or we end up reindexing entire countries because somebody accidentally deleted admin_level
+      --LIMIT INDEXING: SELECT count(*) FROM (SELECT 'a' FROM placex , place_addressline where address_place_id = existingplacex.place_id and placex.place_id = place_addressline.place_id and indexed_status = 0 and place_addressline.isaddress LIMIT 100001) sub INTO i;
+      --LIMIT INDEXING: IF i > 100000 THEN
+      --LIMIT INDEXING:  RETURN null;
+      --LIMIT INDEXING: END IF;
+    END IF;
 
     IF existing.osm_type IS NOT NULL THEN
---      RAISE WARNING 'insert delete % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,ST_Distance(ST_Centroid(existing.geometry),ST_Centroid(NEW.geometry)),existing;
-      DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
-    END IF;   
-
---    RAISE WARNING 'delete and replace2';
+      -- pathological case caused by the triggerless copy into place during initial import
+      -- force delete even for large areas, it will be reinserted later
+      UPDATE place set geometry = ST_SetSRID(ST_Point(0,0), 4326) where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
+      DELETE from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
+    END IF;
 
     -- No - process it as a new insertion (hopefully of low rank or it will be slow)
     insert into placex (osm_type, osm_id, class, type, name, admin_level, housenumber, 
-      street, isin, postcode, country_code, extratags, geometry)
+      street, addr_place, isin, postcode, country_code, extratags, geometry)
       values (NEW.osm_type
         ,NEW.osm_id
         ,NEW.class
@@ -1702,6 +1987,7 @@ BEGIN
         ,NEW.admin_level
         ,NEW.housenumber
         ,NEW.street
+        ,NEW.addr_place
         ,NEW.isin
         ,NEW.postcode
         ,NEW.country_code
@@ -1709,7 +1995,7 @@ BEGIN
         ,NEW.geometry
         );
 
---    RAISE WARNING 'insert done % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
+    --DEBUG: RAISE WARNING 'insert done % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,NEW.name;
 
     RETURN NEW;
   END IF;
@@ -1727,6 +2013,9 @@ BEGIN
     IF coalesce(existing.street, '') != coalesce(NEW.street, '') THEN
       RAISE WARNING 'update details, street: % % % %',NEW.osm_type,NEW.osm_id,existing.street,NEW.street;
     END IF;
+    IF coalesce(existing.addr_place, '') != coalesce(NEW.addr_place, '') THEN
+      RAISE WARNING 'update details, street: % % % %',NEW.osm_type,NEW.osm_id,existing.addr_place,NEW.addr_place;
+    END IF;
     IF coalesce(existing.isin, '') != coalesce(NEW.isin, '') THEN
       RAISE WARNING 'update details, isin: % % % %',NEW.osm_type,NEW.osm_id,existing.isin,NEW.isin;
     END IF;
@@ -1752,65 +2041,29 @@ BEGIN
 
       -- re-index points that have moved in / out of the polygon, could be done as a single query but postgres gets the index usage wrong
       update placex set indexed_status = 2 where indexed_status = 0 and 
-          (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
-          AND NOT (ST_Contains(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
-          AND rank_search > existingplacex.rank_search;
+          (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
+          AND NOT (st_covers(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
+          AND rank_search > existingplacex.rank_search AND (rank_search < 28 or name is not null);
 
       update placex set indexed_status = 2 where indexed_status = 0 and 
-          (ST_Contains(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
-          AND NOT (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
-          AND rank_search > existingplacex.rank_search;
+          (st_covers(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
+          AND NOT (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
+          AND rank_search > existingplacex.rank_search AND (rank_search < 28 or name is not null);
 
     END IF;
 
   END IF;
 
-  -- Special case - if we are just adding extra words we hack them into the search_name table rather than reindexing
-  IF FALSE AND existingplacex.rank_search < 26
-     AND coalesce(existing.housenumber, '') = coalesce(NEW.housenumber, '')
-     AND coalesce(existing.street, '') = coalesce(NEW.street, '')
-     AND coalesce(existing.isin, '') = coalesce(NEW.isin, '')
-     AND coalesce(existing.postcode, '') = coalesce(NEW.postcode, '')
-     AND coalesce(existing.country_code, '') = coalesce(NEW.country_code, '')
-     AND coalesce(existing.name::text, '') != coalesce(NEW.name::text, '') 
-     THEN
-
-    IF NOT update_location_nameonly(existingplacex.place_id, NEW.name) THEN
-
-      IF st_area(NEW.geometry) < 0.5 THEN
-        UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = existingplacex.place_id 
-          and placex.place_id = place_addressline.place_id and indexed_status = 0;
-      END IF;
-
-    END IF;
-  
-  ELSE
-
-    -- Anything else has changed - reindex the lot
-    IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
-        OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
-        OR coalesce(existing.street, '') != coalesce(NEW.street, '')
-        OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
-        OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
-        OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '') THEN
-
-      -- performance, can't take the load of re-indexing a whole country / huge area
-      IF st_area(NEW.geometry) < 0.5 THEN
---        UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = existingplacex.place_id 
---          and placex.place_id = place_addressline.place_id and indexed_status = 0;
-      END IF;
-
-    END IF;
-
-  END IF;
 
   IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
      OR coalesce(existing.extratags::text, '') != coalesce(NEW.extratags::text, '')
      OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
      OR coalesce(existing.street, '') != coalesce(NEW.street, '')
+     OR coalesce(existing.addr_place, '') != coalesce(NEW.addr_place, '')
      OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
      OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
      OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')
+     OR coalesce(existing.admin_level, 15) != coalesce(NEW.admin_level, 15)
      OR existing.geometry::text != NEW.geometry::text
      THEN
 
@@ -1818,30 +2071,45 @@ BEGIN
       name = NEW.name,
       housenumber  = NEW.housenumber,
       street = NEW.street,
+      addr_place = NEW.addr_place,
       isin = NEW.isin,
       postcode = NEW.postcode,
       country_code = NEW.country_code,
       extratags = NEW.extratags,
+      admin_level = NEW.admin_level,
       geometry = NEW.geometry
       where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
 
+    IF NEW.class in ('place','boundary') AND NEW.type in ('postcode','postal_code') THEN
+        IF NEW.postcode IS NULL THEN
+            -- postcode was deleted, no longer retain in placex
+            DELETE FROM placex where place_id = existingplacex.place_id;
+            RETURN NULL;
+        END IF;
+
+        NEW.name := hstore('ref', NEW.postcode);
+    END IF;
+
     update placex set 
       name = NEW.name,
       housenumber = NEW.housenumber,
       street = NEW.street,
+      addr_place = NEW.addr_place,
       isin = NEW.isin,
       postcode = NEW.postcode,
       country_code = NEW.country_code,
       parent_place_id = null,
       extratags = NEW.extratags,
+      admin_level = CASE WHEN NEW.admin_level > 15 THEN 15 ELSE NEW.admin_level END,
       indexed_status = 2,    
       geometry = NEW.geometry
       where place_id = existingplacex.place_id;
 
--- now done as part of insert
---    partition := get_partition(NEW.geometry, existingplacex.country_code);
---    result := update_location(partition, existingplacex.place_id, existingplacex.country_code, NEW.name, existingplacex.rank_search, existingplacex.rank_address, NEW.geometry);
+  END IF;
 
+  -- for interpolations invalidate all nodes on the line
+  IF NEW.class = 'place' and NEW.type = 'houses' and NEW.osm_type = 'W' THEN
+    update placex p set indexed_status = 2 from planet_osm_ways w where w.id = NEW.osm_id and p.osm_type = 'N' and p.osm_id = any(w.nodes);
   END IF;
 
   -- Abort the add (we modified the existing place instead)
@@ -1850,53 +2118,33 @@ BEGIN
 END; 
 $$ LANGUAGE plpgsql;
 
+
 CREATE OR REPLACE FUNCTION get_name_by_language(name hstore, languagepref TEXT[]) RETURNS TEXT
   AS $$
 DECLARE
-  search TEXT[];
-  found BOOLEAN;
+  result TEXT;
 BEGIN
-
   IF name is null THEN
     RETURN null;
   END IF;
 
-  search := languagepref;
-
-  FOR j IN 1..array_upper(search, 1) LOOP
-    IF name ? search[j] AND trim(name->search[j]) != '' THEN
-      return trim(name->search[j]);
+  FOR j IN 1..array_upper(languagepref,1) LOOP
+    IF name ? languagepref[j] THEN
+      result := trim(name->languagepref[j]);
+      IF result != '' THEN
+        return result;
+      END IF;
     END IF;
   END LOOP;
 
-  RETURN null;
+  -- anything will do as a fallback - just take the first name type thing there is
+  RETURN trim((avals(name))[1]);
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_connected_ways(way_ids INTEGER[]) RETURNS SETOF planet_osm_ways
-  AS $$
-DECLARE
-  searchnodes INTEGER[];
-  location RECORD;
-  j INTEGER;
-BEGIN
-
-  searchnodes := '{}';
-  FOR j IN 1..array_upper(way_ids, 1) LOOP
-    FOR location IN 
-      select nodes from planet_osm_ways where id = way_ids[j] LIMIT 1
-    LOOP
-      searchnodes := searchnodes | location.nodes;
-    END LOOP;
-  END LOOP;
-
-  RETURN QUERY select * from planet_osm_ways where nodes && searchnodes and NOT ARRAY[id] <@ way_ids;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_address_postcode(for_place_id INTEGER) RETURNS TEXT
+CREATE OR REPLACE FUNCTION get_address_postcode(for_place_id BIGINT) RETURNS TEXT
   AS $$
 DECLARE
   result TEXT[];
@@ -1921,7 +2169,7 @@ BEGIN
     IF array_upper(search, 1) IS NOT NULL AND array_upper(location.name, 1) IS NOT NULL THEN
       FOR j IN 1..array_upper(search, 1) LOOP
         FOR k IN 1..array_upper(location.name, 1) LOOP
-          IF (found > location.rank_address AND location.name[k].key = search[j] AND location.name[k].value != '') AND NOT result && ARRAY[trim(location.name[k].value)] AND (for_postcode IS NULL OR location.name[k].value ilike for_postcode||'%') THEN
+          IF (found > location.rank_address AND location.name[k].key = search[j] AND location.name[k].value != '') AND NOT result @> ARRAY[trim(location.name[k].value)] AND (for_postcode IS NULL OR location.name[k].value ilike for_postcode||'%') THEN
             result[(100 - location.rank_address)] := trim(location.name[k].value);
             found := location.rank_address;
           END IF;
@@ -1935,7 +2183,7 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id INTEGER, languagepref TEXT[]) RETURNS TEXT
+CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id BIGINT, languagepref TEXT[]) RETURNS TEXT
   AS $$
 DECLARE
   result TEXT[];
@@ -1949,7 +2197,7 @@ BEGIN
 
   FOR location IN select * from get_addressdata(for_place_id) where isaddress order by rank_address desc LOOP
     currresult := trim(get_name_by_language(location.name, languagepref));
-    IF currresult != prevresult AND currresult IS NOT NULL THEN
+    IF currresult != prevresult AND currresult IS NOT NULL AND result[(100 - location.rank_address)] IS NULL THEN
       result[(100 - location.rank_address)] := trim(get_name_by_language(location.name, languagepref));
       prevresult := currresult;
     END IF;
@@ -1960,11 +2208,11 @@ END;
 $$
 LANGUAGE plpgsql;
 
-DROP TYPE addressline CASCADE;
+DROP TYPE IF EXISTS addressline CASCADE;
 create type addressline as (
-  place_id INTEGER,
+  place_id BIGINT,
   osm_type CHAR(1),
-  osm_id INTEGER,
+  osm_id BIGINT,
   name HSTORE,
   class TEXT,
   type TEXT,
@@ -1975,10 +2223,10 @@ create type addressline as (
   distance FLOAT
 );
 
-CREATE OR REPLACE FUNCTION get_addressdata(in_place_id INTEGER) RETURNS setof addressline 
+CREATE OR REPLACE FUNCTION get_addressdata(in_place_id BIGINT) RETURNS setof addressline 
   AS $$
 DECLARE
-  for_place_id INTEGER;
+  for_place_id BIGINT;
   result TEXT[];
   search TEXT[];
   found INTEGER;
@@ -2006,15 +2254,16 @@ BEGIN
   END IF;
 
   IF for_place_id IS NULL THEN
-    select parent_place_id, country_code, housenumber, rank_address, postcode, name, class, type from placex 
+    select parent_place_id, calculated_country_code, housenumber, rank_search, postcode, name, class, type from placex 
       WHERE place_id = in_place_id and rank_address = 30 
       INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename, searchclass, searchtype;
   END IF;
 
   IF for_place_id IS NULL THEN
-    for_place_id := in_place_id;
-    select country_code, housenumber, rank_address, postcode, null from placex where place_id = for_place_id 
-      INTO searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename;
+    select coalesce(linked_place_id, place_id),  calculated_country_code,
+           housenumber, rank_search, postcode, null
+      from placex where place_id = in_place_id
+      INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename;
   END IF;
 
 --RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode;
@@ -2023,23 +2272,65 @@ BEGIN
   hadcountry := false;
   FOR location IN 
     select placex.place_id, osm_type, osm_id,
-      CASE WHEN class = 'place' and type = 'postcode' THEN 'name' => postcode ELSE name END as name,
-      class, type, admin_level, fromarea, isaddress,
+      CASE WHEN class = 'place' and type = 'postcode' THEN hstore('name', postcode) ELSE name END as name,
+      class, type, admin_level, true as fromarea, true as isaddress,
+      CASE WHEN rank_address = 0 THEN 100 WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
+      0 as distance, calculated_country_code, postcode
+      from placex
+      where place_id = for_place_id 
+  LOOP
+--RAISE WARNING '%',location;
+    IF searchcountrycode IS NULL AND location.calculated_country_code IS NOT NULL THEN
+      searchcountrycode := location.calculated_country_code;
+    END IF;
+    IF searchpostcode IS NOT NULL and location.type = 'postcode' THEN
+      location.isaddress := FALSE;
+    END IF;
+    IF searchpostcode IS NULL and location.postcode IS NOT NULL THEN
+      searchpostcode := location.postcode;
+    END IF;
+    IF location.rank_address = 4 AND location.isaddress THEN
+      hadcountry := true;
+    END IF;
+    IF location.rank_address < 4 AND NOT hadcountry THEN
+      select name from country_name where country_code = searchcountrycode limit 1 INTO countryname;
+      IF countryname IS NOT NULL THEN
+        countrylocation := ROW(null, null, null, countryname, 'place', 'country', null, true, true, 4, 0)::addressline;
+        RETURN NEXT countrylocation;
+      END IF;
+    END IF;
+    countrylocation := ROW(location.place_id, location.osm_type, location.osm_id, location.name, location.class, 
+                           location.type, location.admin_level, location.fromarea, location.isaddress, location.rank_address, 
+                           location.distance)::addressline;
+    RETURN NEXT countrylocation;
+    found := location.rank_address;
+  END LOOP;
+
+  FOR location IN 
+    select placex.place_id, osm_type, osm_id,
+      CASE WHEN class = 'place' and type = 'postcode' THEN hstore('name', postcode) ELSE name END as name,
+      CASE WHEN extratags ? 'place' THEN 'place' ELSE class END as class,
+      CASE WHEN extratags ? 'place' THEN extratags->'place' ELSE type END as type,
+      admin_level, fromarea, isaddress,
       CASE WHEN address_place_id = for_place_id AND rank_address = 0 THEN 100 WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
-      distance,country_code
+      distance,calculated_country_code,postcode
       from place_addressline join placex on (address_place_id = placex.place_id) 
       where place_addressline.place_id = for_place_id 
-      and ((cached_rank_address > 0 AND cached_rank_address < searchrankaddress) OR address_place_id = for_place_id)
-      and (placex.country_code IS NULL OR searchcountrycode IS NULL OR placex.country_code = searchcountrycode OR rank_address < 4)
+      and (cached_rank_address > 0 AND cached_rank_address < searchrankaddress)
+      and address_place_id != for_place_id
+      and (placex.calculated_country_code IS NULL OR searchcountrycode IS NULL OR placex.calculated_country_code = searchcountrycode)
       order by rank_address desc,isaddress desc,fromarea desc,distance asc,rank_search desc
   LOOP
 --RAISE WARNING '%',location;
-    IF searchcountrycode IS NULL AND location.country_code IS NOT NULL THEN
-      searchcountrycode := location.country_code;
+    IF searchcountrycode IS NULL AND location.calculated_country_code IS NOT NULL THEN
+      searchcountrycode := location.calculated_country_code;
     END IF;
     IF searchpostcode IS NOT NULL and location.type = 'postcode' THEN
       location.isaddress := FALSE;
     END IF;
+    IF searchpostcode IS NULL and location.isaddress and location.type != 'postcode' and location.postcode IS NOT NULL THEN
+      searchpostcode := location.postcode;
+    END IF;
     IF location.rank_address = 4 AND location.isaddress THEN
       hadcountry := true;
     END IF;
@@ -2067,7 +2358,7 @@ BEGIN
   END IF;
 
   IF searchcountrycode IS NOT NULL THEN
-    location := ROW(null, null, null, 'ref'=>searchcountrycode, 'place', 'country_code', null, true, false, 4, 0)::addressline;
+    location := ROW(null, null, null, hstore('ref', searchcountrycode), 'place', 'country_code', null, true, false, 4, 0)::addressline;
     RETURN NEXT location;
   END IF;
 
@@ -2078,12 +2369,12 @@ BEGIN
   END IF;
 
   IF searchhousenumber IS NOT NULL THEN
-    location := ROW(in_place_id, null, null, 'ref'=>searchhousenumber, 'place', 'house_number', null, true, true, 28, 0)::addressline;
+    location := ROW(in_place_id, null, null, hstore('ref', searchhousenumber), 'place', 'house_number', null, true, true, 28, 0)::addressline;
     RETURN NEXT location;
   END IF;
 
   IF searchpostcode IS NOT NULL THEN
-    location := ROW(null, null, null, 'ref'=>searchpostcode, 'place', 'postcode', null, true, true, 5, 0)::addressline;
+    location := ROW(null, null, null, hstore('ref', searchpostcode), 'place', 'postcode', null, true, true, 5, 0)::addressline;
     RETURN NEXT location;
   END IF;
 
@@ -2092,92 +2383,17 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_place_boundingbox(search_place_id INTEGER) RETURNS place_boundingbox
-  AS $$
-DECLARE
-  result place_boundingbox;
-  numfeatures integer;
-BEGIN
-  select * from place_boundingbox into result where place_id = search_place_id;
-  IF result.place_id IS NULL THEN
--- remove  isaddress = true because if there is a matching polygon it always wins
-    select count(*) from place_addressline where address_place_id = search_place_id into numfeatures;
-    insert into place_boundingbox select place_id,
-             ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)),
-             ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)),
-             numfeatures, ST_Area(geometry),
-             geometry as area from location_area where place_id = search_place_id;
-    select * from place_boundingbox into result where place_id = search_place_id;
-  END IF;
-  IF result.place_id IS NULL THEN
--- TODO 0.0001
-    insert into place_boundingbox select address_place_id,
-             min(ST_Y(ST_Centroid(geometry))) as minlon,max(ST_Y(ST_Centroid(geometry))) as maxlon,
-             min(ST_X(ST_Centroid(geometry))) as minlat,max(ST_X(ST_Centroid(geometry))) as maxlat,
-             count(*), ST_Area(ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001)) as area,
-             ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001) as boundary 
-             from (select * from place_addressline where address_place_id = search_place_id order by cached_rank_address limit 4000) as place_addressline join placex using (place_id) 
-             where address_place_id = search_place_id
---               and (isaddress = true OR place_id = search_place_id)
-               and (st_length(geometry) < 0.01 or place_id = search_place_id)
-             group by address_place_id limit 1;
-    select * from place_boundingbox into result where place_id = search_place_id;
-  END IF;
-  return result;
-END;
-$$
-LANGUAGE plpgsql;
-
--- don't do the operation if it would be slow
-CREATE OR REPLACE FUNCTION get_place_boundingbox_quick(search_place_id INTEGER) RETURNS place_boundingbox
-  AS $$
-DECLARE
-  result place_boundingbox;
-  numfeatures integer;
-  rank integer;
-BEGIN
-  select * from place_boundingbox into result where place_id = search_place_id;
-  IF result IS NULL AND rank > 14 THEN
-    select count(*) from place_addressline where address_place_id = search_place_id and isaddress = true into numfeatures;
-    insert into place_boundingbox select place_id,
-             ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)),
-             ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)),
-             numfeatures, ST_Area(geometry),
-             geometry as area from location_area where place_id = search_place_id;
-    select * from place_boundingbox into result where place_id = search_place_id;
-  END IF;
-  IF result IS NULL THEN
-    select rank_search from placex where place_id = search_place_id into rank;
-    IF rank > 20 THEN
--- TODO 0.0001
-      insert into place_boundingbox select address_place_id,
-             min(ST_Y(ST_Centroid(geometry))) as minlon,max(ST_Y(ST_Centroid(geometry))) as maxlon,
-             min(ST_X(ST_Centroid(geometry))) as minlat,max(ST_X(ST_Centroid(geometry))) as maxlat,
-             count(*), ST_Area(ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001)) as area,
-             ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001) as boundary 
-             from place_addressline join placex using (place_id) 
-             where address_place_id = search_place_id 
-               and (isaddress = true OR place_id = search_place_id)
-               and (st_length(geometry) < 0.01 or place_id = search_place_id)
-             group by address_place_id limit 1;
-      select * from place_boundingbox into result where place_id = search_place_id;
-    END IF;
-  END IF;
-  return result;
-END;
-$$
-LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION update_place(search_place_id INTEGER) RETURNS BOOLEAN
+CREATE OR REPLACE FUNCTION update_place(search_place_id BIGINT) RETURNS BOOLEAN
   AS $$
 DECLARE
-  result place_boundingbox;
   numfeatures integer;
 BEGIN
   update placex set 
       name = place.name,
       housenumber = place.housenumber,
       street = place.street,
+      addr_place = place.addr_place,
       isin = place.isin,
       postcode = place.postcode,
       country_code = place.country_code,
@@ -2283,35 +2499,67 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_word_suggestion(srcword TEXT) RETURNS TEXT
+CREATE OR REPLACE FUNCTION aux_create_property(pointgeo GEOMETRY, in_housenumber TEXT, 
+  in_street TEXT, in_isin TEXT, in_postcode TEXT, in_countrycode char(2)) RETURNS INTEGER
   AS $$
 DECLARE
-  trigramtoken TEXT;
-  result TEXT;
+
+  newpoints INTEGER;
+  place_centroid GEOMETRY;
+  out_partition INTEGER;
+  out_parent_place_id BIGINT;
+  location RECORD;
+  address_street_word_id INTEGER;  
+  out_postcode TEXT;
+
 BEGIN
 
-  trigramtoken := regexp_replace(make_standard_name(srcword),E'([^0-9])\\1+',E'\\1','g');
-  SELECT word FROM word WHERE word_trigram like ' %' and word_trigram % trigramtoken ORDER BY similarity(word_trigram, trigramtoken) DESC, word limit 1 into result;
+  place_centroid := ST_Centroid(pointgeo);
+  out_partition := get_partition(in_countrycode);
+  out_parent_place_id := null;
 
-  return result;
+  address_street_word_id := get_name_id(make_standard_name(in_street));
+  IF address_street_word_id IS NOT NULL THEN
+    FOR location IN SELECT * from getNearestNamedRoadFeature(out_partition, place_centroid, address_street_word_id) LOOP
+      out_parent_place_id := location.place_id;
+    END LOOP;
+  END IF;
+
+  IF out_parent_place_id IS NULL THEN
+    FOR location IN SELECT place_id FROM getNearestRoadFeature(out_partition, place_centroid) LOOP
+      out_parent_place_id := location.place_id;
+    END LOOP;    
+  END IF;
+
+  out_postcode := in_postcode;
+  IF out_postcode IS NULL THEN
+    SELECT postcode from placex where place_id = out_parent_place_id INTO out_postcode;
+  END IF;
+  IF out_postcode IS NULL THEN
+    out_postcode := getNearestPostcode(out_partition, place_centroid);
+  END IF;
+
+  newpoints := 0;
+  insert into location_property_aux (place_id, partition, parent_place_id, housenumber, postcode, centroid)
+    values (nextval('seq_place'), out_partition, out_parent_place_id, in_housenumber, out_postcode, place_centroid);
+  newpoints := newpoints + 1;
+
+  RETURN newpoints;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_word_suggestions(srcword TEXT) RETURNS TEXT[]
+CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], member TEXT) RETURNS TEXT[]
   AS $$
 DECLARE
-  trigramtoken TEXT;
   result TEXT[];
-  r RECORD;
+  i INTEGER;
 BEGIN
 
-  trigramtoken := regexp_replace(make_standard_name(srcword),E'([^0-9])\\1+',E'\\1','g');
-
-  FOR r IN SELECT word,similarity(word_trigram, trigramtoken) as score FROM word 
-    WHERE word_trigram like ' %' and word_trigram % trigramtoken ORDER BY similarity(word_trigram, trigramtoken) DESC, word limit 4
-  LOOP
-    result[coalesce(array_upper(result,1)+1,1)] := r.word;
+  FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
+    IF members[i+1] = member THEN
+      result := result || members[i];
+    END IF;
   END LOOP;
 
   return result;
@@ -2319,137 +2567,272 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE AGGREGATE array_agg(INT[])
-(
-    sfunc = array_cat,
-    stype = INT[],
-    initcond = '{}'
-);
-
-CREATE OR REPLACE FUNCTION tigger_create_interpolation(linegeo GEOMETRY, in_startnumber INTEGER, 
-  in_endnumber INTEGER, interpolationtype TEXT, 
-  in_street TEXT, in_isin TEXT, in_postcode TEXT) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], memberLabels TEXT[]) RETURNS SETOF TEXT
   AS $$
 DECLARE
-  
-  startnumber INTEGER;
-  endnumber INTEGER;
-  stepsize INTEGER;
-  housenum INTEGER;
-  newpoints INTEGER;
-  numberrange INTEGER;
-  rangestartnumber INTEGER;
-  place_centroid GEOMETRY;
-  partition INTEGER;
-  parent_place_id INTEGER;
-  location RECORD;
-  address_street_word_id INTEGER;  
+  i INTEGER;
+BEGIN
+
+  FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
+    IF members[i+1] = ANY(memberLabels) THEN
+      RETURN NEXT members[i];
+    END IF;
+  END LOOP;
+
+  RETURN;
+END;
+$$
+LANGUAGE plpgsql;
 
+-- See: http://stackoverflow.com/questions/6410088/how-can-i-mimic-the-php-urldecode-function-in-postgresql
+CREATE OR REPLACE FUNCTION decode_url_part(p varchar) RETURNS varchar 
+  AS $$
+SELECT convert_from(CAST(E'\\x' || array_to_string(ARRAY(
+    SELECT CASE WHEN length(r.m[1]) = 1 THEN encode(convert_to(r.m[1], 'SQL_ASCII'), 'hex') ELSE substring(r.m[1] from 2 for 2) END
+    FROM regexp_matches($1, '%[0-9a-f][0-9a-f]|.', 'gi') AS r(m)
+), '') AS bytea), 'UTF8');
+$$ 
+LANGUAGE SQL IMMUTABLE STRICT;
+
+CREATE OR REPLACE FUNCTION catch_decode_url_part(p varchar) RETURNS varchar
+  AS $$
+DECLARE
 BEGIN
+  RETURN decode_url_part(p);
+EXCEPTION
+  WHEN others THEN return null;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
 
-  IF in_endnumber > in_startnumber THEN
-    startnumber = in_startnumber;
-    endnumber = in_endnumber;
-  ELSE
-    startnumber = in_endnumber;
-    endnumber = in_startnumber;
-  END IF;
+DROP TYPE wikipedia_article_match CASCADE;
+create type wikipedia_article_match as (
+  language TEXT,
+  title TEXT,
+  importance FLOAT
+);
 
-  numberrange := endnumber - startnumber;
-  rangestartnumber := startnumber;
+CREATE OR REPLACE FUNCTION get_wikipedia_match(extratags HSTORE, country_code varchar(2)) RETURNS wikipedia_article_match
+  AS $$
+DECLARE
+  langs TEXT[];
+  i INT;
+  wiki_article TEXT;
+  wiki_article_title TEXT;
+  wiki_article_language TEXT;
+  result wikipedia_article_match;
+BEGIN
+  langs := ARRAY['english','country','ar','bg','ca','cs','da','de','en','es','eo','eu','fa','fr','ko','hi','hr','id','it','he','lt','hu','ms','nl','ja','no','pl','pt','kk','ro','ru','sk','sl','sr','fi','sv','tr','uk','vi','vo','war','zh'];
+  i := 1;
+  WHILE langs[i] IS NOT NULL LOOP
+    wiki_article := extratags->(case when langs[i] in ('english','country') THEN 'wikipedia' ELSE 'wikipedia:'||langs[i] END);
+    IF wiki_article is not null THEN
+      wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/wiki/',E'\\2:');
+      wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/w/index.php\\?title=',E'\\2:');
+      wiki_article := regexp_replace(wiki_article,E'^(.*?)/([a-z]{2,3})/wiki/',E'\\2:');
+      --wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3})[=:]',E'\\2:');
+      wiki_article := replace(wiki_article,' ','_');
+      IF strpos(wiki_article, ':') IN (3,4) THEN
+        wiki_article_language := lower(trim(split_part(wiki_article, ':', 1)));
+        wiki_article_title := trim(substr(wiki_article, strpos(wiki_article, ':')+1));
+      ELSE
+        wiki_article_title := trim(wiki_article);
+        wiki_article_language := CASE WHEN langs[i] = 'english' THEN 'en' WHEN langs[i] = 'country' THEN get_country_language_code(country_code) ELSE langs[i] END;
+      END IF;
 
-  IF (interpolationtype = 'odd' AND startnumber%2 = 0) OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN
-    startnumber := startnumber + 1;
-    stepsize := 2;
-  ELSE
-    IF (interpolationtype = 'odd' OR interpolationtype = 'even') THEN
-      stepsize := 2;
-    ELSE -- everything else assumed to be 'all'
-      stepsize := 1;
+      select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
+        from wikipedia_article 
+        where language = wiki_article_language and 
+        (title = wiki_article_title OR title = catch_decode_url_part(wiki_article_title) OR title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+      UNION ALL
+      select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
+        from wikipedia_redirect join wikipedia_article on (wikipedia_redirect.language = wikipedia_article.language and wikipedia_redirect.to_title = wikipedia_article.title)
+        where wikipedia_redirect.language = wiki_article_language and 
+        (from_title = wiki_article_title OR from_title = catch_decode_url_part(wiki_article_title) OR from_title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+      order by importance desc limit 1 INTO result;
+
+      IF result.language is not null THEN
+        return result;
+      END IF;
     END IF;
-  END IF;
+    i := i + 1;
+  END LOOP;
+  RETURN NULL;
+END;
+$$
+LANGUAGE plpgsql;
 
-  -- Filter out really broken tiger data
-  IF numberrange > 0 AND (numberrange::float/stepsize::float > 500) 
-                    AND ST_length(linegeo)/(numberrange::float/stepsize::float) < 0.000001 THEN
-    RAISE WARNING 'Road too short for number range % to % on %, % (%)',startnumber,endnumber,in_street,in_isin,
-                  ST_length(linegeo)/(numberrange::float/stepsize::float);    
-    RETURN 0;
-  END IF;
+CREATE OR REPLACE FUNCTION quad_split_geometry(geometry GEOMETRY, maxarea FLOAT, maxdepth INTEGER) 
+  RETURNS SETOF GEOMETRY
+  AS $$
+DECLARE
+  xmin FLOAT;
+  ymin FLOAT;
+  xmax FLOAT;
+  ymax FLOAT;
+  xmid FLOAT;
+  ymid FLOAT;
+  secgeo GEOMETRY;
+  secbox GEOMETRY;
+  seg INTEGER;
+  geo RECORD;
+  area FLOAT;
+  remainingdepth INTEGER;
+  added INTEGER;
+  
+BEGIN
 
-  place_centroid := ST_Centroid(linegeo);
-  partition := get_partition(place_centroid, 'us');
-  parent_place_id := null;
+--  RAISE WARNING 'quad_split_geometry: maxarea=%, depth=%',maxarea,maxdepth;
 
-  address_street_word_id := get_name_id(make_standard_name(in_street));
-  IF address_street_word_id IS NOT NULL THEN
-    FOR location IN SELECT * from getNearestNamedRoadFeature(partition, place_centroid, address_street_word_id) LOOP
-      parent_place_id := location.place_id;
-    END LOOP;
+  IF (ST_GeometryType(geometry) not in ('ST_Polygon','ST_MultiPolygon') OR NOT ST_IsValid(geometry)) THEN
+    RETURN NEXT geometry;
+    RETURN;
   END IF;
 
-  IF parent_place_id IS NULL THEN
-    FOR location IN SELECT place_id FROM getNearestParellelRoadFeature(partition, linegeo) LOOP
-      parent_place_id := location.place_id;
-    END LOOP;    
+  remainingdepth := maxdepth - 1;
+  area := ST_AREA(geometry);
+  IF remainingdepth < 1 OR area < maxarea THEN
+    RETURN NEXT geometry;
+    RETURN;
   END IF;
 
-  IF parent_place_id IS NULL THEN
-    FOR location IN SELECT place_id FROM getNearestRoadFeature(partition, place_centroid) LOOP
-      parent_place_id := location.place_id;
-    END LOOP;    
+  xmin := st_xmin(geometry);
+  xmax := st_xmax(geometry);
+  ymin := st_ymin(geometry);
+  ymax := st_ymax(geometry);
+  secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(ymin,xmin),ST_Point(ymax,xmax)),4326);
+
+  -- if the geometry completely covers the box don't bother to slice any more
+  IF ST_AREA(secbox) = area THEN
+    RETURN NEXT geometry;
+    RETURN;
   END IF;
 
-  newpoints := 0;
-  FOR housenum IN startnumber..endnumber BY stepsize LOOP
-    insert into location_property_tiger (place_id, partition, parent_place_id, housenumber, postcode, centroid)
-    values (nextval('seq_place'), partition, parent_place_id, housenum, in_postcode,
-      ST_Line_Interpolate_Point(linegeo, (housenum::float-rangestartnumber::float)/numberrange::float));
-    newpoints := newpoints + 1;
+  xmid := (xmin+xmax)/2;
+  ymid := (ymin+ymax)/2;
+
+  added := 0;
+  FOR seg IN 1..4 LOOP
+
+    IF seg = 1 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmin,ymin),ST_Point(xmid,ymid)),4326);
+    END IF;
+    IF seg = 2 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmin,ymid),ST_Point(xmid,ymax)),4326);
+    END IF;
+    IF seg = 3 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmid,ymin),ST_Point(xmax,ymid)),4326);
+    END IF;
+    IF seg = 4 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmid,ymid),ST_Point(xmax,ymax)),4326);
+    END IF;
+
+    IF st_intersects(geometry, secbox) THEN
+      secgeo := st_intersection(geometry, secbox);
+      IF NOT ST_IsEmpty(secgeo) AND ST_GeometryType(secgeo) in ('ST_Polygon','ST_MultiPolygon') THEN
+        FOR geo IN select quad_split_geometry(secgeo, maxarea, remainingdepth) as geom LOOP
+          IF NOT ST_IsEmpty(geo.geom) AND ST_GeometryType(geo.geom) in ('ST_Polygon','ST_MultiPolygon') THEN
+            added := added + 1;
+            RETURN NEXT geo.geom;
+          END IF;
+        END LOOP;
+      END IF;
+    END IF;
   END LOOP;
 
-  RETURN newpoints;
+  RETURN;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION aux_create_property(pointgeo GEOMETRY, in_housenumber TEXT, 
-  in_street TEXT, in_isin TEXT, in_postcode TEXT, in_countrycode char(2)) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION split_geometry(geometry GEOMETRY) 
+  RETURNS SETOF GEOMETRY
   AS $$
 DECLARE
-
-  newpoints INTEGER;
-  place_centroid GEOMETRY;
-  partition INTEGER;
-  parent_place_id INTEGER;
-  location RECORD;
-  address_street_word_id INTEGER;  
-
+  geo RECORD;
 BEGIN
+  -- 10000000000 is ~~ 1x1 degree
+  FOR geo IN select quad_split_geometry(geometry, 0.25, 20) as geom LOOP
+    RETURN NEXT geo.geom;
+  END LOOP;
+  RETURN;
+END;
+$$
+LANGUAGE plpgsql;
 
-  place_centroid := ST_Centroid(pointgeo);
-  partition := get_partition(place_centroid, in_countrycode);
-  parent_place_id := null;
 
-  address_street_word_id := get_name_id(make_standard_name(in_street));
-  IF address_street_word_id IS NOT NULL THEN
-    FOR location IN SELECT * from getNearestNamedRoadFeature(partition, place_centroid, address_street_word_id) LOOP
-      parent_place_id := location.place_id;
-    END LOOP;
-  END IF;
+CREATE OR REPLACE FUNCTION place_force_delete(placeid BIGINT) RETURNS BOOLEAN
+  AS $$
+DECLARE
+    osmid BIGINT;
+    osmtype character(1);
+    pclass text;
+    ptype text;
+BEGIN
+  SELECT osm_type, osm_id, class, type FROM placex WHERE place_id = placeid INTO osmtype, osmid, pclass, ptype;
+  DELETE FROM import_polygon_delete where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+  DELETE FROM import_polygon_error where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+  -- force delete from place/placex by making it a very small geometry
+  UPDATE place set geometry = ST_SetSRID(ST_Point(0,0), 4326) where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+  DELETE FROM place where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+
+  RETURN TRUE;
+END;
+$$
+LANGUAGE plpgsql;
 
-  IF parent_place_id IS NULL THEN
-    FOR location IN SELECT place_id FROM getNearestRoadFeature(partition, place_centroid) LOOP
-      parent_place_id := location.place_id;
-    END LOOP;    
+CREATE OR REPLACE FUNCTION place_force_update(placeid BIGINT) RETURNS BOOLEAN
+  AS $$
+DECLARE
+  placegeom GEOMETRY;
+  geom GEOMETRY;
+  diameter FLOAT;
+  rank INTEGER;
+BEGIN
+  UPDATE placex SET indexed_status = 2 WHERE place_id = placeid;
+  SELECT geometry, rank_search FROM placex WHERE place_id = placeid INTO placegeom, rank;
+  IF placegeom IS NOT NULL AND ST_IsValid(placegeom) THEN
+    IF ST_GeometryType(placegeom) in ('ST_Polygon','ST_MultiPolygon') THEN
+      FOR geom IN select split_geometry(placegeom) FROM placex WHERE place_id = placeid LOOP
+        update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry)) 
+        AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and addr_place is not null));
+        update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry)) 
+        AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and addr_place is not null));
+      END LOOP;
+    ELSE
+        diameter := 0;
+        IF rank = 11 THEN
+          diameter := 0.05;
+        ELSEIF rank < 18 THEN
+          diameter := 0.1;
+        ELSEIF rank < 20 THEN
+          diameter := 0.05;
+        ELSEIF rank = 21 THEN
+          diameter := 0.001;
+        ELSEIF rank < 24 THEN
+          diameter := 0.02;
+        ELSEIF rank < 26 THEN
+          diameter := 0.002; -- 100 to 200 meters
+        ELSEIF rank < 28 THEN
+          diameter := 0.001; -- 50 to 100 meters
+        END IF;
+        IF diameter > 0 THEN
+          IF rank >= 26 THEN
+            -- roads may cause reparenting for >27 rank places
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter);
+          ELSEIF rank >= 16 THEN
+            -- up to rank 16, street-less addresses may need reparenting
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null or addr_place is not null);
+          ELSE
+            -- for all other places the search terms may change as well
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null);
+          END IF;
+        END IF;
+    END IF;
+    RETURN TRUE;
   END IF;
 
-  newpoints := 0;
-  insert into location_property_aux (place_id, partition, parent_place_id, housenumber, postcode, centroid)
-    values (nextval('seq_place'), partition, parent_place_id, in_housenumber, in_postcode, place_centroid);
-  newpoints := newpoints + 1;
-
-  RETURN newpoints;
+  RETURN FALSE;
 END;
 $$
 LANGUAGE plpgsql;
