X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/62b1fba68aa91a3e9fb65c85141d8ba55ce8f59e..8d3595c3e28c2c401043af04c0b61321802f1479:/sql/functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 8593a3b1..f696e231 100644
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -1,49 +1,14 @@
---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
+-- Splits the line at the given point and returns the two parts
+-- in a multilinestring.
+CREATE OR REPLACE FUNCTION split_line_on_node(line GEOMETRY, point GEOMETRY)
+RETURNS GEOMETRY
   AS $$
-DECLARE
-BEGIN
-  RETURN c||'|'||t;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION isbrokengeometry(place geometry) RETURNS BOOLEAN
-  AS $$
-DECLARE
-  NEWgeometry geometry;
 BEGIN
-  NEWgeometry := place;
-  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    RETURN true;
-  END IF;
-  RETURN false;
+  RETURN ST_Split(ST_Snap(line, point, 0.0005), point);
 END;
 $$
-LANGUAGE plpgsql IMMUTABLE;
+LANGUAGE plpgsql;
 
-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 $$
@@ -52,12 +17,6 @@ DECLARE
 BEGIN
 --  RAISE WARNING '%',place;
   NEWgeometry := ST_PointOnSurface(place);
---  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
---    NEWgeometry := ST_buffer(NEWgeometry,0);
---    IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
---      RETURN 0;
---    END IF;
---  END IF;
   RETURN (partition*1000000) + (500-ST_X(NEWgeometry)::integer)*1000 + (500-ST_Y(NEWgeometry)::integer);
 END;
 $$
@@ -76,7 +35,7 @@ CREATE OR REPLACE FUNCTION make_standard_name(name TEXT) RETURNS TEXT
 DECLARE
   o TEXT;
 BEGIN
-  o := gettokenstring(transliteration(name));
+  o := public.gettokenstring(public.transliteration(name));
   RETURN trim(substr(o,1,length(o)));
 END;
 $$
@@ -124,25 +83,27 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION getorcreate_country(lookup_word TEXT, lookup_country_code varchar(2))
+CREATE OR REPLACE FUNCTION getorcreate_postcode_id(postcode TEXT)
   RETURNS INTEGER
   AS $$
 DECLARE
   lookup_token TEXT;
+  lookup_word TEXT;
   return_word_id INTEGER;
 BEGIN
-  lookup_token := ' '||trim(lookup_word);
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and country_code=lookup_country_code into return_word_id;
+  lookup_word := upper(trim(postcode));
+  lookup_token := ' ' || make_standard_name(lookup_word);
+  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='postcode' into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, lookup_country_code, 0);
+    INSERT INTO word VALUES (return_word_id, lookup_token, lookup_word, 'place', 'postcode', null, 0);
   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, lookup_class text, lookup_type text)
+CREATE OR REPLACE FUNCTION getorcreate_country(lookup_word TEXT, lookup_country_code varchar(2))
   RETURNS INTEGER
   AS $$
 DECLARE
@@ -150,49 +111,35 @@ DECLARE
   return_word_id INTEGER;
 BEGIN
   lookup_token := ' '||trim(lookup_word);
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type into return_word_id;
+  SELECT min(word_id) FROM word WHERE word_token = lookup_token and country_code=lookup_country_code into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, lookup_country_code, 0);
   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION getorcreate_tagpair(lookup_class text, lookup_type text)
+CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, normalized_word TEXT, lookup_class text, lookup_type text)
   RETURNS INTEGER
   AS $$
 DECLARE
   lookup_token TEXT;
   return_word_id INTEGER;
 BEGIN
-  lookup_token := lookup_class||'='||lookup_type;
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token into return_word_id;
+  lookup_token := ' '||trim(lookup_word);
+  SELECT min(word_id) FROM word WHERE word_token = lookup_token and word=normalized_word and class=lookup_class and type = lookup_type into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
+    INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word, lookup_class, lookup_type, null, 0);
   END IF;
   RETURN return_word_id;
 END;
 $$
 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)
+CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT, normalized_word TEXT, lookup_class text, lookup_type text, op text)
   RETURNS INTEGER
   AS $$
 DECLARE
@@ -200,10 +147,10 @@ DECLARE
   return_word_id INTEGER;
 BEGIN
   lookup_token := ' '||trim(lookup_word);
-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class=lookup_class and type = lookup_type and operator = op into return_word_id;
+  SELECT min(word_id) FROM word WHERE word_token = lookup_token and word=normalized_word and class=lookup_class and type = lookup_type and operator = op into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
-    INSERT INTO word VALUES (return_word_id, lookup_token, null, lookup_class, lookup_type, null, 0, op);
+    INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word, lookup_class, lookup_type, null, 0, op);
   END IF;
   RETURN return_word_id;
 END;
@@ -271,6 +218,20 @@ END;
 $$
 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 $$
@@ -295,6 +256,121 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION reverse_place_diameter(rank_search SMALLINT)
+  RETURNS FLOAT
+  AS $$
+BEGIN
+  IF rank_search <= 4 THEN
+    RETURN 5.0;
+  ELSIF rank_search <= 8 THEN
+    RETURN 1.8;
+  ELSIF rank_search <= 12 THEN
+    RETURN 0.6;
+  ELSIF rank_search <= 17 THEN
+    RETURN 0.16;
+  ELSIF rank_search <= 18 THEN
+    RETURN 0.08;
+  ELSIF rank_search <= 19 THEN
+    RETURN 0.04;
+  END IF;
+
+  RETURN 0.02;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
+CREATE OR REPLACE FUNCTION get_postcode_rank(country_code VARCHAR(2), postcode TEXT,
+                                      OUT rank_search SMALLINT, OUT rank_address SMALLINT)
+AS $$
+DECLARE
+  part TEXT;
+BEGIN
+    rank_search := 30;
+    rank_address := 30;
+    postcode := upper(postcode);
+
+    IF country_code = 'gb' THEN
+        IF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9][A-Z][A-Z])$' THEN
+            rank_search := 25;
+            rank_address := 5;
+        ELSEIF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])$' THEN
+            rank_search := 23;
+            rank_address := 5;
+        ELSEIF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z])$' THEN
+            rank_search := 21;
+            rank_address := 5;
+        END IF;
+
+    ELSEIF country_code = 'sg' THEN
+        IF postcode ~ '^([0-9]{6})$' THEN
+            rank_search := 25;
+            rank_address := 11;
+        END IF;
+
+    ELSEIF country_code = 'de' THEN
+        IF postcode ~ '^([0-9]{5})$' THEN
+            rank_search := 21;
+            rank_address := 11;
+        END IF;
+
+    ELSE
+        -- Guess at the postcode format and coverage (!)
+        IF postcode ~ '^[A-Z0-9]{1,5}$' THEN -- Probably too short to be very local
+            rank_search := 21;
+            rank_address := 11;
+        ELSE
+            -- Does it look splitable into and area and local code?
+            part := substring(postcode from '^([- :A-Z0-9]+)([- :][A-Z0-9]+)$');
+
+            IF part IS NOT NULL THEN
+                rank_search := 25;
+                rank_address := 11;
+            ELSEIF postcode ~ '^[- :A-Z0-9]{6,}$' THEN
+                rank_search := 21;
+                rank_address := 11;
+            END IF;
+        END IF;
+    END IF;
+
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
+-- Find the nearest artificial postcode for the given geometry.
+-- TODO For areas there should not be more than two inside the geometry.
+CREATE OR REPLACE FUNCTION get_nearest_postcode(country VARCHAR(2), geom GEOMETRY) RETURNS TEXT
+  AS $$
+DECLARE
+  outcode TEXT;
+  cnt INTEGER;
+BEGIN
+    -- If the geometry is an area then only one postcode must be within
+    -- that area, otherwise consider the area as not having a postcode.
+    IF ST_GeometryType(geom) in ('ST_Polygon','ST_MultiPolygon') THEN
+        SELECT min(postcode), count(*) FROM
+              (SELECT postcode FROM location_postcode
+                WHERE ST_Contains(geom, location_postcode.geometry) LIMIT 2) sub
+          INTO outcode, cnt;
+
+        IF cnt = 1 THEN
+            RETURN outcode;
+        ELSE
+            RETURN null;
+        END IF;
+    END IF;
+
+    SELECT postcode FROM location_postcode
+     WHERE ST_DWithin(geom, location_postcode.geometry, 0.05)
+          AND location_postcode.country_code = country
+     ORDER BY ST_Distance(geom, location_postcode.geometry) LIMIT 1
+    INTO outcode;
+
+    RETURN outcode;
+END;
+$$
+LANGUAGE plpgsql;
+
+
 CREATE OR REPLACE FUNCTION create_country(src HSTORE, lookup_country_code varchar(2)) RETURNS VOID
   AS $$
 DECLARE
@@ -347,7 +423,7 @@ BEGIN
 
     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;
 
@@ -415,7 +491,7 @@ BEGIN
 
   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;
 
@@ -460,31 +536,6 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_word_score(wordscores wordscore[], words text[]) RETURNS integer
-  AS $$
-DECLARE
-  idxword integer;
-  idxscores integer;
-  result integer;
-BEGIN
-  IF (wordscores is null OR words is null) THEN
-    RETURN 0;
-  END IF;
-
-  result := 0;
-  FOR idxword in 1 .. array_upper(words, 1) LOOP
-    FOR idxscores in 1 .. array_upper(wordscores, 1) LOOP
-      IF wordscores[idxscores].word = words[idxword] THEN
-        result := result + wordscores[idxscores].score;
-      END IF;
-    END LOOP;
-  END LOOP;
-
-  RETURN result;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
 CREATE OR REPLACE FUNCTION get_country_code(place geometry) RETURNS TEXT
   AS $$
 DECLARE
@@ -493,15 +544,15 @@ DECLARE
 BEGIN
   place_centre := ST_PointOnSurface(place);
 
---DEBUG: RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);
+-- RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);
 
   -- 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
+  FOR nearcountry IN select country_code from location_area_country where country_code is not null and st_covers(geometry, place_centre) limit 1
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
---DEBUG: RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
+-- RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
 
   -- Try for OSM fallback data
   -- The order is to deal with places like HongKong that are 'states' within another polygon
@@ -510,15 +561,7 @@ BEGIN
     RETURN nearcountry.country_code;
   END LOOP;
 
---DEBUG: RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
-
-  -- 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;
-
---DEBUG: RAISE WARNING 'near osm fallback: %', ST_AsText(place_centre);
+-- RAISE WARNING 'near osm fallback: %', ST_AsText(place_centre);
 
   -- 
   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
@@ -526,48 +569,11 @@ BEGIN
     RETURN nearcountry.country_code;
   END LOOP;
 
---DEBUG: RAISE WARNING 'near natural earth: %', ST_AsText(place_centre);
-
-  -- 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;
-
-  -- WorldBoundaries data (second fallback - think there might be something broken in this data)
---  FOR nearcountry IN select country_code from country where st_covers(geometry, place_centre) limit 1
---  LOOP
---    RETURN nearcountry.country_code;
---  END LOOP;
-
---RAISE WARNING 'near country: %', 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
---  LOOP
---    RETURN nearcountry.country_code;
---  END LOOP;
-
   RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_country_code(place geometry, in_country_code VARCHAR(2)) RETURNS TEXT
-  AS $$
-DECLARE
-  nearcountry RECORD;
-BEGIN
-  FOR nearcountry IN select country_code from country_name where country_code = lower(in_country_code)
-  LOOP
-    RETURN nearcountry.country_code;
-  END LOOP;
-  RETURN get_country_code(place);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
 CREATE OR REPLACE FUNCTION get_country_language_code(search_country_code VARCHAR(2)) RETURNS TEXT
   AS $$
 DECLARE
@@ -596,10 +602,9 @@ END;
 $$
 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 $$
 DECLARE
-  place_centre GEOMETRY;
   nearcountry RECORD;
 BEGIN
   FOR nearcountry IN select partition from country_name where country_code = in_country_code
@@ -629,39 +634,41 @@ CREATE OR REPLACE FUNCTION add_location(
     keywords INTEGER[],
     rank_search INTEGER,
     rank_address INTEGER,
+    in_postcode TEXT,
     geometry GEOMETRY
   ) 
   RETURNS BOOLEAN
   AS $$
 DECLARE
   locationid INTEGER;
-  isarea BOOLEAN;
   centroid GEOMETRY;
   diameter FLOAT;
   x BOOLEAN;
   splitGeom RECORD;
   secgeo GEOMETRY;
+  postcode TEXT;
 BEGIN
 
   IF rank_search > 25 THEN
     RAISE EXCEPTION 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
   END IF;
 
---  RAISE WARNING 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
-
   x := deleteLocationArea(partition, place_id, rank_search);
 
-  isarea := false;
-  IF (ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(geometry)) THEN
+  -- add postcode only if it contains a single entry, i.e. ignore postcode lists
+  postcode := NULL;
+  IF in_postcode is not null AND in_postcode not similar to '%(,|;)%' THEN
+      postcode := upper(trim (in_postcode));
+  END IF;
 
-    isArea := true;
+  IF ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
     centroid := ST_Centroid(geometry);
 
     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);
+      x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, postcode, centroid, secgeo);
     END LOOP;
 
-  ELSEIF rank_search < 26 THEN
+  ELSE
 
     diameter := 0.02;
     IF rank_address = 0 THEN
@@ -683,17 +690,7 @@ BEGIN
 --    RAISE WARNING 'adding % diameter %', place_id, diameter;
 
     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);
+    x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, postcode, ST_Centroid(geometry), secgeo);
 
   END IF;
 
@@ -702,281 +699,150 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION update_location(
-    partition INTEGER,
-    place_id BIGINT,
-    place_country_code varchar(2),
-    name hstore,
-    rank_search INTEGER,
-    rank_address INTEGER,
-    geometry GEOMETRY
-  ) 
-  RETURNS BOOLEAN
-  AS $$
-DECLARE
-  b BOOLEAN;
-BEGIN
-  b := deleteLocationArea(partition, place_id, rank_search);
---  result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
-  RETURN add_location(place_id, place_country_code, name, rank_search, rank_address, geometry);
-END;
-$$
-LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION search_name_add_words(parent_place_id BIGINT, to_add INTEGER[])
-  RETURNS BOOLEAN
-  AS $$
+-- find the parent road of the cut road parts
+CREATE OR REPLACE FUNCTION get_interpolation_parent(wayid BIGINT, street TEXT, place TEXT,
+                                                    partition INTEGER, centroid GEOMETRY, geom GEOMETRY)
+RETURNS BIGINT AS $$
 DECLARE
-  childplace RECORD;
+  addr_street TEXT;
+  addr_place TEXT;
+  parent_place_id BIGINT;
+  address_street_word_ids INTEGER[];
+
+  waynodes BIGINT[];
+
+  location RECORD;
 BEGIN
+  addr_street = street;
+  addr_place = place;
 
-  IF #to_add = 0 THEN
-    RETURN true;
+  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.address from placex
+                    where osm_type = 'N' and osm_id = ANY(waynodes)
+                          and placex.address is not null
+                          and (placex.address ? 'street' or placex.address ? 'place')
+                          and indexed_status < 100
+                    limit 1 LOOP
+      addr_street = location.address->'street';
+      addr_place = location.address->'place';
+    END LOOP;
   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;
-    IF not (ARRAY[to_add] <@ childplace.nameaddress_vector) THEN
-      childplace.nameaddress_vector := childplace.nameaddress_vector || to_add;
+  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;
-    IF childplace.place_id = parent_place_id and not (ARRAY[to_add] <@ childplace.name_vector) THEN
-      childplace.name_vector := childplace.name_vector || to_add;
+  END IF;
+
+  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;
-    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;
+  END IF;
 
-  RETURN true;
+  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 parent_place_id is null THEN
+    RETURN 0;
+  END IF;
+
+  RETURN parent_place_id;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION update_location_nameonly(partition INTEGER, OLD_place_id BIGINT, name hstore) RETURNS BOOLEAN
+CREATE OR REPLACE FUNCTION osmline_reinsert(node_id BIGINT, geom GEOMETRY)
+  RETURNS BOOLEAN
   AS $$
 DECLARE
-  newkeywords INTEGER[];
-  addedkeywords INTEGER[];
-  removedkeywords INTEGER[];
+  existingline RECORD;
 BEGIN
-
-  -- what has changed?
-  newkeywords := make_keywords(name);
-  select coalesce(newkeywords,'{}'::INTEGER[]) - coalesce(location_point.keywords,'{}'::INTEGER[]), 
-    coalesce(location_point.keywords,'{}'::INTEGER[]) - coalesce(newkeywords,'{}'::INTEGER[]) from location_point 
-    where place_id = OLD_place_id into addedkeywords, removedkeywords;
-
---  RAISE WARNING 'update_location_nameonly for %: new:% added:% removed:%', OLD_place_id, newkeywords, addedkeywords, removedkeywords;
-
-  IF #removedkeywords > 0 THEN
-    -- abort due to tokens removed
-    RETURN false;
-  END IF;
-  
-  IF #addedkeywords > 0 THEN
-    -- short circuit - no changes
-    RETURN true;
-  END IF;
-
-  UPDATE location_area set keywords = newkeywords where place_id = OLD_place_id;
-  RETURN search_name_add_words(OLD_place_id, addedkeywords);
+   SELECT w.id FROM planet_osm_ways w, location_property_osmline p
+     WHERE p.linegeo && geom and p.osm_id = w.id and p.indexed_status = 0
+           and node_id = any(w.nodes) INTO existingline;
+
+   IF existingline.id is not NULL THEN
+       DELETE FROM location_property_osmline WHERE osm_id = existingline.id;
+       INSERT INTO location_property_osmline (osm_id, address, linegeo)
+         SELECT osm_id, address, geometry FROM place
+           WHERE osm_type = 'W' and osm_id = existingline.id;
+   END IF;
+
+   RETURN true;
 END;
 $$
 LANGUAGE plpgsql;
 
 
-CREATE OR REPLACE FUNCTION create_interpolation(wayid BIGINT, interpolationtype TEXT) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION osmline_insert() RETURNS TRIGGER
   AS $$
-DECLARE
-  
-  newpoints INTEGER;
-  waynodes BIGINT[];
-  nodeid BIGINT;
-  prevnode RECORD;
-  nextnode RECORD;
-  startnumber INTEGER;
-  endnumber INTEGER;
-  stepsize INTEGER;
-  orginalstartnumber INTEGER;
-  originalnumberrange INTEGER;
-  housenum INTEGER;
-  linegeo GEOMETRY;
-  search_place_id BIGINT;
-  defpostalcode TEXT;
-
-  havefirstpoint BOOLEAN;
-  linestr TEXT;
 BEGIN
-  newpoints := 0;
-  IF interpolationtype = 'odd' OR interpolationtype = 'even' OR interpolationtype = 'all' THEN
-
-    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
-
-      havefirstpoint := false;
-
-      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 place_id from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and indexed_status < 100 order by (type = 'house'),place_id limit 1 INTO search_place_id;
-        IF search_place_id IS NULL THEN
-          -- if no such node exists, create a record of the right type
-          select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT 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;
-          IF nextnode.geometry IS NULL THEN
-            -- we don't have any information about this point, most likely
-            -- because an excerpt was updated and the node never imported
-            -- because the interpolation is outside the region of the excerpt.
-            -- Give up.
-            RETURN newpoints;
-          END IF;
-        ELSE
-          select * from placex where place_id = search_place_id INTO nextnode;
-        END IF;
-
---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 AND @(startnumber - endnumber) < 1000 THEN
-
---RAISE WARNING 'interpolation end % % ',nextnode.place_id,endnumber;
+  NEW.place_id := nextval('seq_place');
+  NEW.indexed_date := now();
 
-            IF startnumber != endnumber THEN
+  IF NEW.indexed_status IS NULL THEN
+      IF NEW.address is NULL OR NOT NEW.address ? 'interpolation'
+         OR NEW.address->'interpolation' NOT IN ('odd', 'even', 'all') THEN
+          -- other interpolation types than odd/even/all (e.g. numeric ones) are not supported
+          RETURN NULL;
+      END IF;
 
-              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, addr_place, isin, postcode,
-                  country_code, parent_place_id, rank_address, rank_search, indexed_status, geometry)
-                  values ('N',prevnode.osm_id, 'place', 'house', prevnode.admin_level, housenum, prevnode.street, prevnode.addr_place, 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;
-          END IF;
-        END IF;
+      NEW.indexed_status := 1; --STATUS_NEW
+      NEW.country_code := lower(get_country_code(NEW.linegeo));
 
-        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;
-        END IF;
-      END LOOP;
-    END IF;
+      NEW.partition := get_partition(NEW.country_code);
+      NEW.geometry_sector := geometry_sector(NEW.partition, NEW.linegeo);
   END IF;
 
---RAISE WARNING 'interpolation points % ',newpoints;
-
-  RETURN newpoints;
+  RETURN NEW;
 END;
 $$
 LANGUAGE plpgsql;
 
+
 CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER
   AS $$
 DECLARE
   i INTEGER;
   postcode TEXT;
   result BOOLEAN;
+  is_area BOOLEAN;
   country_code VARCHAR(2);
   default_language VARCHAR(10);
   diameter FLOAT;
   classtable TEXT;
+  classtype TEXT;
 BEGIN
-  --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;
-  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;
-    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.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
+  NEW.country_code := lower(get_country_code(NEW.geometry));
 
-  NEW.partition := get_partition(NEW.geometry, NEW.calculated_country_code);
+  NEW.partition := get_partition(NEW.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(akeys(NEW.name),1) > 1 THEN
-    default_language := get_country_language_code(NEW.calculated_country_code);
+    default_language := get_country_language_code(NEW.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'));
@@ -986,294 +852,337 @@ BEGIN
     END IF;
   END IF;
 
-  IF NEW.admin_level > 15 THEN
-    NEW.admin_level := 15;
-  END IF;
-
-  IF NEW.housenumber IS NOT NULL THEN
-    i := getorcreate_housenumber_id(make_standard_name(NEW.housenumber));
-  END IF;
-
   IF NEW.osm_type = 'X' THEN
     -- E'X'ternal records should already be in the right format so do nothing
   ELSE
-    NEW.rank_search := 30;
-    NEW.rank_address := NEW.rank_search;
+    is_area := ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon');
 
-    -- By doing in postgres we have the country available to us - currently only used for postcode
-    IF NEW.class in ('place','boundary') AND NEW.type in ('postcode','postal_code') THEN
+    IF NEW.class in ('place','boundary')
+       AND NEW.type in ('postcode','postal_code') THEN
 
-        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.address IS NULL OR NOT NEW.address ? 'postcode' THEN
+          -- most likely just a part of a multipolygon postcode boundary, throw it away
+          RETURN NULL;
+      END IF;
 
-        IF NEW.calculated_country_code = 'gb' THEN
+      NEW.name := hstore('ref', NEW.address->'postcode');
 
-          IF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9][A-Z][A-Z])$' THEN
-            NEW.rank_search := 25;
-            NEW.rank_address := 5;
-          ELSEIF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])$' THEN
-            NEW.rank_search := 23;
-            NEW.rank_address := 5;
-          ELSEIF NEW.postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z])$' THEN
-            NEW.rank_search := 21;
-            NEW.rank_address := 5;
-          END IF;
+      SELECT * FROM get_postcode_rank(NEW.country_code, NEW.address->'postcode')
+        INTO NEW.rank_search, NEW.rank_address;
 
-        ELSEIF NEW.calculated_country_code = 'de' THEN
+      IF NOT is_area THEN
+          NEW.rank_address := 0;
+      END IF;
+    ELSEIF NEW.class = 'boundary' AND NOT is_area THEN
+        return NULL;
+    ELSEIF NEW.class = 'boundary' AND NEW.type = 'administrative'
+           AND NEW.admin_level <= 4 AND NEW.osm_type = 'W' THEN
+        return NULL;
+    ELSEIF NEW.class = 'railway' AND NEW.type in ('rail') THEN
+        return NULL;
+    ELSEIF NEW.osm_type = 'N' AND NEW.class = 'highway' THEN
+        NEW.rank_search = 30;
+        NEW.rank_address = 0;
+    ELSEIF NEW.class = 'landuse' AND NOT is_area THEN
+        NEW.rank_search = 30;
+        NEW.rank_address = 0;
+    ELSE
+      -- do table lookup stuff
+      IF NEW.class = 'boundary' and NEW.type = 'administrative' THEN
+        classtype = NEW.type || NEW.admin_level::TEXT;
+      ELSE
+        classtype = NEW.type;
+      END IF;
+      SELECT l.rank_search, l.rank_address FROM address_levels l
+       WHERE (l.country_code = NEW.country_code or l.country_code is NULL)
+             AND l.class = NEW.class AND (l.type = classtype or l.type is NULL)
+       ORDER BY l.country_code, l.class, l.type LIMIT 1
+        INTO NEW.rank_search, NEW.rank_address;
 
-          IF NEW.postcode ~ '^([0-9]{5})$' THEN
-            NEW.rank_search := 21;
-            NEW.rank_address := 11;
-          END IF;
-
-        ELSE
-          -- Guess at the postcode format and coverage (!)
-          IF upper(NEW.postcode) ~ '^[A-Z0-9]{1,5}$' THEN -- Probably too short to be very local
-            NEW.rank_search := 21;
-            NEW.rank_address := 11;
-          ELSE
-            -- Does it look splitable into and area and local code?
-            postcode := substring(upper(NEW.postcode) from '^([- :A-Z0-9]+)([- :][A-Z0-9]+)$');
-
-            IF postcode IS NOT NULL THEN
-              NEW.rank_search := 25;
-              NEW.rank_address := 11;
-            ELSEIF NEW.postcode ~ '^[- :A-Z0-9]{6,}$' THEN
-              NEW.rank_search := 21;
-              NEW.rank_address := 11;
-            END IF;
-          END IF;
-        END IF;
-
-    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 ('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','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 ('hall_of_residence','neighbourhood','housing_estate','nature_reserve') THEN
-        NEW.rank_search := 22;
-        NEW.rank_address := 22;
-      ELSEIF NEW.type in ('airport','street') THEN
-        NEW.rank_search := 26;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('house','building') THEN
+      IF NEW.rank_search is NULL 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;
 
-    ELSEIF NEW.class = 'boundary' THEN
-      IF ST_GeometryType(NEW.geometry) NOT IN ('ST_Polygon','ST_MultiPolygon') THEN
---        RAISE WARNING 'invalid boundary %',NEW.osm_id;
-        return NULL;
+      IF NEW.rank_address is NULL THEN
+        NEW.rank_address := 30;
       END IF;
-      NEW.rank_search := NEW.admin_level * 2;
-      NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'landuse' AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
-      NEW.rank_search := 22;
-      NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'natural' and NEW.type in ('peak','volcano','mountain_range') THEN
-      NEW.rank_search := 18;
-      NEW.rank_address := 0;
-    -- 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;
-    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;
-    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 = 'mountain_pass' THEN
-        NEW.rank_search := 20;
-        NEW.rank_address := 0;
     END IF;
 
-  END IF;
-
-  IF NEW.rank_search > 30 THEN
-    NEW.rank_search := 30;
-  END IF;
+    -- some postcorrections
+    IF NEW.class = 'waterway' AND NEW.osm_type = 'R' THEN
+        -- Slightly promote waterway relations so that they are processed
+        -- before their members.
+        NEW.rank_search := NEW.rank_search - 1;
+    END IF;
 
-  IF NEW.rank_address > 30 THEN
-    NEW.rank_address := 30;
-  END IF;
+    IF (NEW.extratags -> 'capital') = 'yes' THEN
+      NEW.rank_search := NEW.rank_search - 1;
+    END IF;
 
-  IF (NEW.extratags -> 'capital') = 'yes' THEN
-    NEW.rank_search := NEW.rank_search - 1;
   END IF;
 
   -- a country code make no sense below rank 4 (country)
-  IF NEW.rank_address < 4 THEN
-    NEW.calculated_country_code := NULL;
+  IF NEW.rank_search < 4 THEN
+    NEW.country_code := NULL;
   END IF;
 
--- Block import below rank 22
---  IF NEW.rank_search > 22 THEN
---    RETURN NULL;
---  END IF;
-
   --DEBUG: RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 
-  RETURN NEW; -- @DIFFUPDATES@ The following is not needed until doing diff updates, and slows the main index process down
-
-  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;
-    -- 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.osm_type = 'N' and NEW.rank_search > 28 THEN
+      -- might be part of an interpolation
+      result := osmline_reinsert(NEW.osm_id, NEW.geometry);
+  ELSEIF 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 address ? 'place'));
+        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 address ? 'place'));
+      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;
-      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);
+      -- 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);
+          -- reparenting also for OSM Interpolation Lines (and for Tiger?)
+          update location_property_osmline set indexed_status = 2 where indexed_status = 0 and ST_DWithin(location_property_osmline.linegeo, 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 address ? 'place');
+        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;
 
+
    -- 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 INTO result;
+  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;
+
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION osmline_update() RETURNS 
+TRIGGER
+  AS $$
+DECLARE
+  place_centroid GEOMETRY;
+  waynodes BIGINT[];
+  prevnode RECORD;
+  nextnode RECORD;
+  startnumber INTEGER;
+  endnumber INTEGER;
+  housenum INTEGER;
+  linegeo GEOMETRY;
+  splitline GEOMETRY;
+  sectiongeo GEOMETRY;
+  interpol_postcode TEXT;
+  postcode TEXT;
+BEGIN
+  -- deferred delete
+  IF OLD.indexed_status = 100 THEN
+    delete from location_property_osmline 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;
+
+  NEW.interpolationtype = NEW.address->'interpolation';
+
+  place_centroid := ST_PointOnSurface(NEW.linegeo);
+  NEW.parent_place_id = get_interpolation_parent(NEW.osm_id, NEW.address->'street',
+                                                 NEW.address->'place',
+                                                 NEW.partition, place_centroid, NEW.linegeo);
+
+  IF NEW.address is not NULL AND NEW.address ? 'postcode' AND NEW.address->'postcode' not similar to '%(,|;)%' THEN
+    interpol_postcode := NEW.address->'postcode';
+    housenum := getorcreate_postcode_id(NEW.address->'postcode');
+  ELSE
+    interpol_postcode := NULL;
+  END IF;
+
+  -- if the line was newly inserted, split the line as necessary
+  IF OLD.indexed_status = 1 THEN
+      select nodes from planet_osm_ways where id = NEW.osm_id INTO waynodes;
 
---  IF NEW.rank_search < 26 THEN
---    RAISE WARNING 'placex insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
---  END IF;
+      IF array_upper(waynodes, 1) IS NULL THEN
+        RETURN NEW;
+      END IF;
+
+      linegeo := NEW.linegeo;
+      startnumber := NULL;
+
+      FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
+
+        select osm_id, address, geometry
+          from place where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
+                           and address is not NULL and address ? 'housenumber' limit 1 INTO nextnode;
+        --RAISE NOTICE 'Nextnode.place_id: %s', nextnode.place_id;
+        IF nextnode.osm_id IS NOT NULL THEN
+          --RAISE NOTICE 'place_id is not null';
+          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
+            sectiongeo = linegeo;
+          END IF;
+          endnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
+
+          IF startnumber IS NOT NULL AND endnumber IS NOT NULL
+             AND startnumber != endnumber
+             AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN
+
+            IF (startnumber > endnumber) THEN
+              housenum := endnumber;
+              endnumber := startnumber;
+              startnumber := housenum;
+              sectiongeo := ST_Reverse(sectiongeo);
+            END IF;
+
+            -- determine postcode
+            postcode := coalesce(interpol_postcode,
+                                 prevnode.address->'postcode',
+                                 nextnode.address->'postcode',
+                                 postcode);
+
+            IF postcode is NULL THEN
+                SELECT placex.postcode FROM placex WHERE place_id = NEW.parent_place_id INTO postcode;
+            END IF;
+            IF postcode is NULL THEN
+                postcode := get_nearest_postcode(NEW.country_code, nextnode.geometry);
+            END IF;
+
+            IF NEW.startnumber IS NULL THEN
+                NEW.startnumber := startnumber;
+                NEW.endnumber := endnumber;
+                NEW.linegeo := sectiongeo;
+                NEW.postcode := upper(trim(postcode));
+             ELSE
+              insert into location_property_osmline
+                     (linegeo, partition, osm_id, parent_place_id,
+                      startnumber, endnumber, interpolationtype,
+                      address, postcode, country_code,
+                      geometry_sector, indexed_status)
+              values (sectiongeo, NEW.partition, NEW.osm_id, NEW.parent_place_id,
+                      startnumber, endnumber, NEW.interpolationtype,
+                      NEW.address, postcode,
+                      NEW.country_code, NEW.geometry_sector, 0);
+             END IF;
+          END IF;
+
+          -- 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 NEW;
+          END IF;
 
+          startnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
+          prevnode := nextnode;
+        END IF;
+      END LOOP;
+  END IF;
+
+  -- marking descendants for reparenting is not needed, because there are
+  -- actually no descendants for interpolation lines
   RETURN NEW;
+END;
+$$
+LANGUAGE plpgsql;
+
+-- Trigger for updates of location_postcode
+--
+-- Computes the parent object the postcode most likely refers to.
+-- This will be the place that determines the address displayed when
+-- searching for this postcode.
+CREATE OR REPLACE FUNCTION postcode_update() RETURNS
+TRIGGER
+  AS $$
+DECLARE
+  partition SMALLINT;
+  location RECORD;
+BEGIN
+    IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN
+        RETURN NEW;
+    END IF;
+
+    NEW.indexed_date = now();
+
+    partition := get_partition(NEW.country_code);
+
+    SELECT * FROM get_postcode_rank(NEW.country_code, NEW.postcode)
+      INTO NEW.rank_search, NEW.rank_address;
 
+    NEW.parent_place_id = 0;
+    FOR location IN
+      SELECT place_id
+        FROM getNearFeatures(partition, NEW.geometry, NEW.rank_search, '{}'::int[])
+        WHERE NOT isguess ORDER BY rank_address DESC LIMIT 1
+    LOOP
+        NEW.parent_place_id = location.place_id;
+    END LOOP;
+
+    RETURN NEW;
 END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION placex_update() RETURNS 
+CREATE OR REPLACE FUNCTION placex_update() RETURNS
 TRIGGER
   AS $$
 DECLARE
 
   place_centroid GEOMETRY;
+  near_centroid GEOMETRY;
 
   search_maxdistance FLOAT[];
   search_mindistance FLOAT[];
   address_havelevel BOOLEAN[];
---  search_scores wordscore[];
---  search_scores_pos INTEGER;
 
   i INTEGER;
   iMax FLOAT;
@@ -1283,13 +1192,18 @@ DECLARE
   relation_members TEXT[];
   relMember RECORD;
   linkedplacex RECORD;
+  addr_item RECORD;
   search_diameter FLOAT;
   search_prevdiameter FLOAT;
   search_maxrank INTEGER;
   address_maxrank INTEGER;
   address_street_word_id INTEGER;
+  address_street_word_ids INTEGER[];
   parent_place_id_rank BIGINT;
-  
+
+  addr_street TEXT;
+  addr_place TEXT;
+
   isin TEXT[];
   isin_tokens INT[];
 
@@ -1297,21 +1211,21 @@ DECLARE
   location_distance FLOAT;
   location_parent GEOMETRY;
   location_isaddress BOOLEAN;
-
-  tagpairid INTEGER;
+  location_keywords INTEGER[];
 
   default_language TEXT;
   name_vector INTEGER[];
   nameaddress_vector INTEGER[];
 
   linked_node_id BIGINT;
+  linked_importance FLOAT;
+  linked_wikipedia TEXT;
 
   result BOOLEAN;
 BEGIN
-
   -- deferred delete
   IF OLD.indexed_status = 100 THEN
-    --DEBUG: RAISE WARNING 'placex_update_delete % %',NEW.osm_type,NEW.osm_id;
+    --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;
@@ -1320,526 +1234,614 @@ BEGIN
     RETURN NEW;
   END IF;
 
-  --DEBUG: RAISE WARNING 'placex_update % %',NEW.osm_type,NEW.osm_id;
+  --DEBUG: RAISE WARNING 'placex_update % % (%)',NEW.osm_type,NEW.osm_id,NEW.place_id;
 
---RAISE WARNING '%',NEW.place_id;
---RAISE WARNING '%', NEW;
+  NEW.indexed_date = now();
 
-  IF NEW.class = 'place' AND NEW.type = 'postcodearea' THEN
-    -- Silently do nothing
-    RETURN NEW;
+  IF NOT %REVERSE-ONLY% THEN
+    DELETE from search_name WHERE place_id = NEW.place_id;
   END IF;
+  result := deleteSearchName(NEW.partition, NEW.place_id);
+  DELETE FROM place_addressline WHERE place_id = NEW.place_id;
+  result := deleteRoad(NEW.partition, NEW.place_id);
+  result := deleteLocationArea(NEW.partition, NEW.place_id, NEW.rank_search);
+  UPDATE placex set linked_place_id = null, indexed_status = 2
+         where linked_place_id = NEW.place_id;
+  -- update not necessary for osmline, cause linked_place_id does not exist
 
-  -- TODO: this test is now redundant?
-  IF OLD.indexed_status != 0 THEN
+  IF NEW.linked_place_id is not null THEN
+    --DEBUG: RAISE WARNING 'place already linked to %', NEW.linked_place_id;
+    RETURN NEW;
+  END IF;
 
-    NEW.indexed_date = now();
+  --DEBUG: RAISE WARNING 'Copy over address tags';
+  -- housenumber is a computed field, so start with an empty value
+  NEW.housenumber := NULL;
+  IF NEW.address is not NULL THEN
+      IF NEW.address ? 'conscriptionnumber' THEN
+        i := getorcreate_housenumber_id(make_standard_name(NEW.address->'conscriptionnumber'));
+        IF NEW.address ? 'streetnumber' THEN
+            i := getorcreate_housenumber_id(make_standard_name(NEW.address->'streetnumber'));
+            NEW.housenumber := (NEW.address->'conscriptionnumber') || '/' || (NEW.address->'streetnumber');
+        ELSE
+            NEW.housenumber := NEW.address->'conscriptionnumber';
+        END IF;
+      ELSEIF NEW.address ? 'streetnumber' THEN
+        NEW.housenumber := NEW.address->'streetnumber';
+        i := getorcreate_housenumber_id(make_standard_name(NEW.address->'streetnumber'));
+      ELSEIF NEW.address ? 'housenumber' THEN
+        NEW.housenumber := NEW.address->'housenumber';
+        i := getorcreate_housenumber_id(make_standard_name(NEW.housenumber));
+      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.rank_search);
-    UPDATE placex set linked_place_id = null where linked_place_id = NEW.place_id;
+      addr_street := NEW.address->'street';
+      addr_place := NEW.address->'place';
 
-    IF NEW.linked_place_id is not null THEN
-      RETURN NEW;
-    END IF;
+      IF NEW.address ? 'postcode' and NEW.address->'postcode' not similar to '%(,|;)%' THEN
+        i := getorcreate_postcode_id(NEW.address->'postcode');
+      END IF;
+  END IF;
 
-    IF NEW.class = 'place' AND NEW.type = 'houses' THEN
-      i := create_interpolation(NEW.osm_id, NEW.housenumber);
-      RETURN NEW;
+  -- Speed up searches - just use the centroid of the feature
+  -- cheaper but less acurate
+  place_centroid := ST_PointOnSurface(NEW.geometry);
+  -- For searching near features rather use the centroid
+  near_centroid := ST_Envelope(NEW.geometry);
+  NEW.centroid := null;
+  NEW.postcode := null;
+  --DEBUG: RAISE WARNING 'Computing preliminary centroid at %',ST_AsText(place_centroid);
+
+  -- recalculate country and partition
+  IF NEW.rank_search = 4 AND NEW.address is not NULL AND NEW.address ? 'country' THEN
+    -- for countries, believe the mapped country code,
+    -- so that we remain in the right partition if the boundaries
+    -- suddenly expand.
+    NEW.country_code := lower(NEW.address->'country');
+    NEW.partition := get_partition(lower(NEW.country_code));
+    IF NEW.partition = 0 THEN
+      NEW.country_code := lower(get_country_code(place_centroid));
+      NEW.partition := get_partition(NEW.country_code);
     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;
-
-    -- reclaculate country and partition
+  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));
+      NEW.country_code := lower(get_country_code(place_centroid));
     ELSE
-      NEW.calculated_country_code := NULL;
-    END IF;
-    NEW.partition := get_partition(place_centroid, NEW.calculated_country_code);
-    NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
-
-    -- 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); 
-
-    -- What level are we searching from
-    search_maxrank := NEW.rank_search;
-
-    -- 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;
+      NEW.country_code := NULL;
+    END IF;
+    NEW.partition := get_partition(NEW.country_code);
+  END IF;
+  --DEBUG: RAISE WARNING 'Country updated: "%"', NEW.country_code;
+
+  -- 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 in ('river', 'stream', 'canal', 'drain', 'ditch')
+                  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;
+      --DEBUG: RAISE WARNING 'Waterway processed';
+  END IF;
+
+  -- What level are we searching from
+  search_maxrank := NEW.rank_search;
+
+  -- 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.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;
+  --DEBUG: RAISE WARNING 'Local names updated';
 
-    -- Initialise the name vector using our name
-    name_vector := make_keywords(NEW.name);
-    nameaddress_vector := '{}'::int[];
+  -- 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;
 
-    FOR i IN 1..28 LOOP
-      address_havelevel[i] := false;
-    END LOOP;
+  NEW.importance := null;
+  select language||':'||title,importance from get_wikipedia_match(NEW.extratags, NEW.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;
 
-    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;
+--DEBUG: RAISE WARNING 'Importance computed from wikipedia: %', NEW.importance;
 
---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
 
-    -- 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
+    --DEBUG: RAISE WARNING 'finding street for % %', NEW.osm_type, NEW.osm_id;
 
---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;
 
-      -- We won't get a better centroid, besides these places are too small to care
-      NEW.centroid := place_centroid;
+    NEW.parent_place_id := null;
 
-      NEW.parent_place_id := null;
+    -- 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 addr_street IS NULL AND addr_place IS NULL
+       AND NEW.housenumber IS NULL THEN
+      FOR location IN select address from placex where ST_Covers(geometry, place_centroid)
+            and address is not null
+            and (address ? 'housenumber' or address ? 'street' or address ? 'place')
+            and rank_search > 28 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
+            limit 1
+      LOOP
+        NEW.housenumber := location.address->'housenumber';
+        addr_street := location.address->'street';
+        addr_place := location.address->'place';
+        --DEBUG: RAISE WARNING 'Found surrounding building % %', location.osm_type, location.osm_id;
+      END LOOP;
+    END IF;
 
-      -- to do that 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
+    -- We have to find our parent road.
+    -- Copy data from linked items (points on ways, addr:street links, relations)
 
-        -- Is this node part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY['n'||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
+    -- 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'] 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)::bigint 
-                  and rank_search = 26 INTO NEW.parent_place_id;
-              END IF;
-            END LOOP;
+            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 LOOP;
+      END IF;
+    END LOOP;
+    --DEBUG: RAISE WARNING 'Checked for street relation (%)', NEW.parent_place_id;
 
---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] LOOP
---RAISE WARNING '%', way;
-        FOR location IN select * from placex where osm_type = 'W' and osm_id = way.id
-        LOOP
---RAISE WARNING '%', location;
-          -- Way IS a road then we are on it - that must be our road
-          IF location.rank_search = 26 AND NEW.parent_place_id IS NULL THEN
---RAISE WARNING 'node in way that is a street %',location;
-            NEW.parent_place_id := location.place_id;
-          END IF;
+    -- Note that addr:street links can only be indexed once the street itself is indexed
+    IF NEW.parent_place_id IS NULL AND 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
+        SELECT place_id from getNearestNamedRoadFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
+      END IF;
+    END IF;
+    --DEBUG: RAISE WARNING 'Checked for addr:street (%)', NEW.parent_place_id;
 
-          -- Is the WAY part of a relation
-          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 INTO NEW.parent_place_id;
-                    END IF;
-                  END LOOP;
-                END IF;
-              END LOOP;
-          END IF;    
-          
-          -- If the way contains an explicit name of a street copy it
-          IF NEW.street IS NULL AND NEW.addr_place 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 NEW.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
+        SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
+      END IF;
+    END IF;
+    --DEBUG: RAISE WARNING 'Checked for addr:place (%)', NEW.parent_place_id;
 
-          -- IF the way contains an explicit name of a place copy it
-          IF NEW.addr_place IS NULL AND NEW.street IS NULL AND location.addr_place IS NOT NULL THEN
-            NEW.addr_place := location.addr_place;
-          END IF;
+    -- Is this node part of an interpolation?
+    IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
+      SELECT q.parent_place_id FROM location_property_osmline q, planet_osm_ways x
+        WHERE q.linegeo && NEW.geometry and x.id = q.osm_id and NEW.osm_id = any(x.nodes)
+        LIMIT 1 INTO NEW.parent_place_id;
+    END IF;
+    --DEBUG: RAISE WARNING 'Checked for interpolation (%)', NEW.parent_place_id;
 
-          -- 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 NEW.addr_place 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;
-          END IF;
+    -- Is this node part of a way?
+    IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
 
-        END LOOP;
-        END LOOP;
-                
-      END IF;
+      FOR location IN
+        SELECT p.place_id, p.osm_id, p.rank_search, p.address from placex p, planet_osm_ways w
+         WHERE p.osm_type = 'W' and p.rank_search >= 26 and p.geometry && NEW.geometry and w.id = p.osm_id and NEW.osm_id = any(w.nodes)
+      LOOP
+        --DEBUG: RAISE WARNING 'Node is part of way % ', location.osm_id;
 
---RAISE WARNING 'x2';
+        -- Way IS a road then we are on it - that must be our road
+        IF location.rank_search < 28 THEN
+--RAISE WARNING 'node in way that is a street %',location;
+          NEW.parent_place_id := location.place_id;
+          EXIT;
+        END IF;
+        --DEBUG: RAISE WARNING 'Checked if way is street (%)', NEW.parent_place_id;
+
+        -- If the way mentions a street or place address, try that for parenting.
+        IF location.address is not null THEN
+          IF location.address ? 'street' THEN
+            address_street_word_ids := get_name_ids(make_standard_name(location.address->'street'));
+            IF address_street_word_ids IS NOT NULL THEN
+              SELECT place_id from getNearestNamedRoadFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
+              EXIT WHEN NEW.parent_place_id is not NULL;
+            END IF;
+          END IF;
+          --DEBUG: RAISE WARNING 'Checked for addr:street in way (%)', NEW.parent_place_id;
+
+          IF location.address ? 'place' THEN
+            address_street_word_ids := get_name_ids(make_standard_name(location.address->'place'));
+            IF address_street_word_ids IS NOT NULL THEN
+              SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
+              EXIT WHEN NEW.parent_place_id is not NULL;
+            END IF;
+          END IF;
+        --DEBUG: RAISE WARNING 'Checked for addr:place in way (%)', NEW.parent_place_id;
+        END IF;
 
-      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] and members @> ARRAY['w'||NEW.osm_id]
+        -- Is the WAY part of a relation
+        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 '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 INTO NEW.parent_place_id;
+--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;
-      
---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;
+        EXIT WHEN NEW.parent_place_id is not null;
+        --DEBUG: RAISE WARNING 'Checked for street relation in way (%)', NEW.parent_place_id;
 
-      IF NEW.parent_place_id IS NULL AND NEW.addr_place IS NOT NULL THEN
-        address_street_word_id := get_name_id(make_standard_name(NEW.addr_place));
-        IF address_street_word_id IS NOT NULL THEN
-          FOR location IN SELECT * from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_id) LOOP
-            NEW.parent_place_id := location.place_id;
-          END LOOP;
-        END IF;
-      END IF;
+      END LOOP;
+    END IF;
 
---RAISE WARNING 'x4 %',NEW.parent_place_id;
-      -- Still nothing, just use the nearest road
-      IF NEW.parent_place_id IS NULL THEN
-        FOR location IN SELECT place_id FROM getNearestRoadFeature(NEW.partition, place_centroid) LOOP
-          NEW.parent_place_id := location.place_id;
-        END LOOP;
-      END IF;
+    -- Still nothing, just use the nearest road
+    IF NEW.parent_place_id IS NULL THEN
+      SELECT place_id FROM getNearestRoadFeature(NEW.partition, near_centroid) INTO NEW.parent_place_id;
+    END IF;
+    --DEBUG: RAISE WARNING 'Checked for nearest way (%)', NEW.parent_place_id;
 
---return NEW;
---RAISE WARNING 'x6 %',NEW.parent_place_id;
 
-      -- If we didn't find any road fallback to standard method
-      IF NEW.parent_place_id IS NOT NULL THEN
+    -- 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;
+      -- Get the details of the parent road
+      SELECT p.country_code, p.postcode FROM placex p
+       WHERE p.place_id = NEW.parent_place_id INTO location;
 
-        -- 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;
+      NEW.country_code := location.country_code;
+      --DEBUG: RAISE WARNING 'Got parent details from search name';
 
-        -- Get the details of the parent road
-        select * from search_name where place_id = NEW.parent_place_id INTO location;
-        NEW.calculated_country_code := location.country_code;
+      -- determine postcode
+      IF NEW.rank_search > 4 THEN
+          IF NEW.address is not null AND NEW.address ? 'postcode' THEN
+              NEW.postcode = upper(trim(NEW.address->'postcode'));
+          ELSE
+             NEW.postcode := location.postcode;
+          END IF;
+          IF NEW.postcode is null THEN
+            NEW.postcode := get_nearest_postcode(NEW.country_code, NEW.geometry);
+          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
-        IF NEW.name is NULL THEN
-          return NEW;
-        END IF;
+      -- If there is no name it isn't searchable, don't bother to create a search record
+      IF NEW.name is NULL THEN
+        --DEBUG: RAISE WARNING 'Not a searchable place % %', NEW.osm_type, NEW.osm_id;
+        return NEW;
+      END IF;
 
-        -- Merge address from parent
-        nameaddress_vector := array_merge(nameaddress_vector, location.nameaddress_vector);
-        nameaddress_vector := array_merge(nameaddress_vector, location.name_vector);
---return NEW;
-        -- 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
+      -- 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 and NEW.rank_address > 0 THEN
+        result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, upper(trim(NEW.address->'postcode')), NEW.geometry);
+        --DEBUG: RAISE WARNING 'Place added to location table';
+      END IF;
 
-        IF NEW.rank_search <= 25 THEN
-          result := add_location(NEW.place_id, NEW.calculated_country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.geometry);
+      result := insertSearchName(NEW.partition, NEW.place_id, name_vector,
+                                 NEW.rank_search, NEW.rank_address, NEW.geometry);
+
+      IF NOT %REVERSE-ONLY% THEN
+          -- Merge address from parent
+          SELECT s.name_vector, s.nameaddress_vector FROM search_name s
+           WHERE s.place_id = NEW.parent_place_id INTO location;
+
+          nameaddress_vector := array_merge(nameaddress_vector,
+                                            location.nameaddress_vector);
+          nameaddress_vector := array_merge(nameaddress_vector, location.name_vector);
+
+          INSERT INTO search_name (place_id, search_rank, address_rank,
+                                   importance, country_code, name_vector,
+                                   nameaddress_vector, centroid)
+                 VALUES (NEW.place_id, NEW.rank_search, NEW.rank_address,
+                         NEW.importance, NEW.country_code, name_vector,
+                         nameaddress_vector, place_centroid);
+          --DEBUG: RAISE WARNING 'Place added to search table';
         END IF;
 
-        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;
-
+      return NEW;
     END IF;
 
--- RAISE WARNING '  INDEXING Started:';
--- RAISE WARNING '  INDEXING: %',NEW;
+  END IF;
 
-    IF NEW.osm_type = 'R' AND NEW.rank_search < 26 THEN
+  -- ---------------------------------------------------------------------------
+  -- Full indexing
+  --DEBUG: RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;
 
-      -- see if we have any special relation members
-      select members from planet_osm_rels where id = NEW.osm_id INTO relation_members;
+  IF NEW.osm_type = 'R' AND NEW.rank_search < 26 THEN
 
--- 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
+    -- see if we have any special relation members
+    select members from planet_osm_rels where id = NEW.osm_id INTO relation_members;
+    --DEBUG: RAISE WARNING 'Got relation members';
 
-          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 relation_members IS NOT NULL THEN
+      FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['label']) as member LOOP
+        --DEBUG: RAISE WARNING 'Found label member %', relMember.member;
 
-            -- 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;
+        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
+          and class = 'place' order by rank_search desc limit 1 LOOP
 
-            -- merge in extra tags
-            IF NOT linkedPlacex.extratags IS NULL THEN
-              NEW.extratags := linkedPlacex.extratags || NEW.extratags;
-            END IF;
+          -- 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;
 
-            IF NOT NEW.extratags ? linkedPlacex.class THEN
-              NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
-            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;
 
-            -- mark the linked place (excludes from search results)
-            UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
+          -- merge in extra tags
+          NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
 
-          END LOOP;
+          -- 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;
+          select language||':'||title,importance from get_wikipedia_match(linkedPlacex.extratags, NEW.country_code) INTO linked_wikipedia,linked_importance;
+          --DEBUG: RAISE WARNING 'Linked label member';
         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
+      END 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 NEW.centroid IS NULL THEN
 
-              -- 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
+        FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['admin_center','admin_centre']) as member LOOP
+          --DEBUG: RAISE WARNING 'Found admin_center member %', relMember.member;
 
-                -- 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;
+          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
+            and class = 'place' order by rank_search desc limit 1 LOOP
 
-                -- 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;
+            -- 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
 
-                -- merge in extra tags
-                IF NOT linkedPlacex.extratags IS NULL THEN
-                  NEW.extratags := linkedPlacex.extratags || NEW.extratags;
-                END IF;
+              -- 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;
 
-                IF NOT NEW.extratags ? linkedPlacex.class THEN
-                  NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
-                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;
 
-                -- mark the linked place (excludes from search results)
-                UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
+              -- merge in extra tags
+              NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
 
-                -- 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;
+              -- mark the linked place (excludes from search results)
+              UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
 
-            END LOOP;
+              -- keep a note of the node id in case we need it for wikipedia in a bit
+              linked_node_id := linkedPlacex.osm_id;
+              select language||':'||title,importance from get_wikipedia_match(linkedPlacex.extratags, NEW.country_code) INTO linked_wikipedia,linked_importance;
+              --DEBUG: RAISE WARNING 'Linked admin_center';
+            END IF;
 
           END LOOP;
 
-        END IF;
+        END LOOP;
+
       END IF;
+    END IF;
 
-      -- 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
+  END IF;
 
-        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
+  -- 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
 
-          -- 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;
+    -- 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
 
-          -- merge in the name, re-init word vector
-          NEW.name := linkedPlacex.name || NEW.name;
-          name_vector := make_keywords(NEW.name);
+      --DEBUG: RAISE WARNING 'Looking for nodes with matching names';
+      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
+        --DEBUG: RAISE WARNING 'Found matching place node %', linkedPlacex.osm_id;
+        -- 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 extra tags
-          NEW.extratags := linkedPlacex.extratags || NEW.extratags;
+        -- merge in the name, re-init word vector
+        NEW.name := linkedPlacex.name || NEW.name;
+        name_vector := make_keywords(NEW.name);
 
-          IF NOT NEW.extratags ? linkedPlacex.class THEN
-            NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
-          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;
+        -- 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;
+        -- keep a note of the node id in case we need it for wikipedia in a bit
+        linked_node_id := linkedPlacex.osm_id;
+        select language||':'||title,importance from get_wikipedia_match(linkedPlacex.extratags, NEW.country_code) INTO linked_wikipedia,linked_importance;
+        --DEBUG: RAISE WARNING 'Linked named place';
+      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;
+    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.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;
+      --DEBUG: RAISE WARNING 'Names updated from linked places';
+    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;
-
+    -- Use the maximum importance if a one could be computed from the linked object.
+    IF linked_importance is not null AND
+        (NEW.importance is null or NEW.importance < linked_importance) THEN
+        NEW.importance = linked_importance;
     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));
+    -- Still null? how about looking it up by the node id
+    IF NEW.importance IS NULL THEN
+      --DEBUG: RAISE WARNING 'Looking up importance by linked node id';
+      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;
 
-    NEW.parent_place_id = 0;
-    parent_place_id_rank = 0;
-
-    -- convert isin to array of tokenids
-    isin_tokens := '{}'::int[];
-    IF NEW.isin IS NOT NULL THEN
-      isin := regexp_split_to_array(NEW.isin, 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;
+  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
-            nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
-          END IF;
-        END LOOP;
-      END IF;
-    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;
+  -- 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 AND NEW.osm_type = 'R' THEN
+    perform create_country(NEW.name, lower(NEW.country_code));
+    --DEBUG: RAISE WARNING 'Country names updated';
+  END IF;
+
+  NEW.parent_place_id = 0;
+  parent_place_id_rank = 0;
 
-          -- merge into address vector
-          address_street_word_id := get_word_id(make_standard_name(isin[i]));
+
+  -- convert address store to array of tokenids
+  --DEBUG: RAISE WARNING 'Starting address search';
+  isin_tokens := '{}'::int[];
+  IF NEW.address IS NOT NULL THEN
+    FOR addr_item IN SELECT * FROM each(NEW.address)
+    LOOP
+      IF addr_item.key IN ('city', 'tiger:county', 'state', 'suburb', 'province', 'district', 'region', 'county', 'municipality', 'hamlet', 'village', 'subdistrict', 'town', 'neighbourhood', 'quarter', 'parish') THEN
+        address_street_word_id := get_name_id(make_standard_name(addr_item.value));
+        IF address_street_word_id IS NOT NULL AND NOT(ARRAY[address_street_word_id] <@ isin_tokens) THEN
+          isin_tokens := isin_tokens || address_street_word_id;
+        END IF;
+        IF NOT %REVERSE-ONLY% THEN
+          address_street_word_id := get_word_id(make_standard_name(addr_item.value));
           IF address_street_word_id IS NOT NULL THEN
             nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
           END IF;
-        END LOOP;
+        END IF;
       END IF;
-    END IF;
-
-    -- 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;
+      IF addr_item.key = 'is_in' THEN
+        -- is_in items need splitting
+        isin := regexp_split_to_array(addr_item.value, 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
+              isin_tokens := isin_tokens || address_street_word_id;
+            END IF;
 
-        -- 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;
+            -- merge word into address vector
+            IF NOT %REVERSE-ONLY% THEN
+              address_street_word_id := get_word_id(make_standard_name(isin[i]));
+              IF address_street_word_id IS NOT NULL THEN
+                nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);
+              END IF;
+            END IF;
+          END LOOP;
+        END IF;
+      END IF;
+    END LOOP;
+  END IF;
+  IF NOT %REVERSE-ONLY% THEN
+    nameaddress_vector := array_merge(nameaddress_vector, isin_tokens);
+  END IF;
 
 -- RAISE WARNING 'ISIN: %', isin_tokens;
 
-    -- Process area matches
-    location_rank_search := 0;
-    location_distance := 0;
-    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_address != location_rank_search THEN
-        location_rank_search := location.rank_address;
+  -- Process area matches
+  location_rank_search := 0;
+  location_distance := 0;
+  location_parent := NULL;
+  -- added ourself as address already
+  address_havelevel[NEW.rank_address] := true;
+  --DEBUG: RAISE WARNING '  getNearFeatures(%,''%'',%,''%'')',NEW.partition, place_centroid, search_maxrank, isin_tokens;
+  FOR location IN
+    SELECT * from getNearFeatures(NEW.partition,
+                                  CASE WHEN NEW.rank_search >= 26
+                                             AND NEW.rank_search < 30
+                                       THEN NEW.geometry
+                                       ELSE place_centroid END,
+                                  search_maxrank, isin_tokens)
+  LOOP
+    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 OR NOT location.isguess 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;
+      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
-        IF location.rank_search > 4 THEN
-            nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
+      -- RAISE WARNING '% isaddress: %', location.place_id, location_isaddress;
+      -- Add it to the list of search terms
+      IF NOT %REVERSE-ONLY% THEN
+          nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
+      END IF;
+      INSERT INTO place_addressline (place_id, address_place_id, fromarea, isaddress, distance, cached_rank_address)
+        VALUES (NEW.place_id, location.place_id, true, location_isaddress, location.distance, location.rank_address);
+
+      IF location_isaddress THEN
+        -- add postcode if we have one
+        -- (If multiple postcodes are available, we end up with the highest ranking one.)
+        IF location.postcode is not null THEN
+            NEW.postcode = location.postcode;
         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;
+        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;
 
---RAISE WARNING '  Terms: (%) %',location, nameaddress_vector;
-
         IF location.rank_address > parent_place_id_rank THEN
           NEW.parent_place_id = location.place_id;
           parent_place_id_rank = location.rank_address;
@@ -1847,82 +1849,57 @@ BEGIN
 
       END IF;
 
-    END LOOP;
-
-    -- try using the isin value to find parent places
-    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
-
-  --RAISE WARNING '  ISIN: %',location;
-
-            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;
-            END IF;
-          END LOOP;
+    --DEBUG: RAISE WARNING '  Terms: (%) %',location, nameaddress_vector;
 
-        END IF;
-
-      END LOOP;
     END IF;
 
-    -- for long ways we should add search terms for the entire length
-    IF st_length(NEW.geometry) > 0.05 THEN
-
-      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_address != location_rank_search THEN
-          location_rank_search := location.rank_address;
-          location_distance := location.distance * 1.5;
-        END IF;
-
-        IF location.rank_search > 4 AND location.distance < location_distance THEN
+  END LOOP;
+  --DEBUG: RAISE WARNING 'address computed';
 
-          -- 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, false, location.distance, location.rank_address); 
+  IF NEW.address is not null AND NEW.address ? 'postcode' 
+     AND NEW.address->'postcode' not similar to '%(,|;)%' THEN
+    NEW.postcode := upper(trim(NEW.address->'postcode'));
+  END IF;
 
-        END IF;
+  IF NEW.postcode is null AND NEW.rank_search > 8 THEN
+    NEW.postcode := get_nearest_postcode(NEW.country_code, NEW.geometry);
+  END IF;
 
-      END LOOP;
+  -- if we have a name add this to the name search table
+  IF NEW.name IS NOT NULL THEN
 
+    IF NEW.rank_search <= 25 and NEW.rank_address > 0 THEN
+      result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, upper(trim(NEW.address->'postcode')), NEW.geometry);
+      --DEBUG: RAISE WARNING 'added to location (full)';
     END IF;
 
-    -- 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.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.calculated_country_code, 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);
+      --DEBUG: RAISE WARNING 'insert into road location table (full)';
+    END IF;
 
-      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);
+    result := insertSearchName(NEW.partition, NEW.place_id, name_vector,
+                               NEW.rank_search, NEW.rank_address, NEW.geometry);
+    --DEBUG: RAISE WARNING 'added to search name (full)';
 
+    IF NOT %REVERSE-ONLY% THEN
+        INSERT INTO search_name (place_id, search_rank, address_rank,
+                                 importance, country_code, name_vector,
+                                 nameaddress_vector, centroid)
+               VALUES (NEW.place_id, NEW.rank_search, NEW.rank_address,
+                       NEW.importance, NEW.country_code, name_vector,
+                       nameaddress_vector, place_centroid);
     END IF;
 
-    -- 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;
 
+  -- 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;
 
+  --DEBUG: RAISE WARNING 'place update % % finsihed.', NEW.osm_type, NEW.osm_id;
+
   RETURN NEW;
 END;
 $$
@@ -1946,7 +1923,7 @@ BEGIN
     -- 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;
@@ -1957,6 +1934,8 @@ BEGIN
     --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;
+    -- reparenting also for OSM Interpolation Lines (and for Tiger?)
+    update location_property_osmline set indexed_status = 2 where indexed_status = 0 and parent_place_id = OLD.place_id;
 
   END IF;
 
@@ -1969,6 +1948,9 @@ BEGIN
   --DEBUG: RAISE WARNING 'placex_delete:09 % %',OLD.osm_type,OLD.osm_id;
 
   IF OLD.name is not null THEN
+    IF NOT %REVERSE-ONLY% THEN
+      DELETE from search_name WHERE place_id = OLD.place_id;
+    END IF;
     b := deleteSearchName(OLD.partition, OLD.place_id);
   END IF;
 
@@ -1980,7 +1962,7 @@ BEGIN
 
   -- remove from tables for special search
   classtable := 'place_classtype_' || OLD.class || '_' || OLD.type;
-  SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable INTO b;
+  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;
@@ -1996,20 +1978,28 @@ LANGUAGE plpgsql;
 CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
   AS $$
 DECLARE
-  placeid BIGINT;
+  has_rank BOOLEAN;
 BEGIN
 
   --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
-    insert into import_polygon_delete values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type);
-    RETURN NULL;
+    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 (osm_type, osm_id, class, type) 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;
 
+  -- interpolations are special
+  IF OLD.osm_type='W' and OLD.class = 'place' and OLD.type = 'houses' THEN
+    UPDATE location_property_osmline set indexed_status = 100 where osm_id = OLD.osm_id; -- osm_id = wayid (=old.osm_id)
+  END IF;
+
   RETURN OLD;
 
 END;
@@ -2022,6 +2012,7 @@ DECLARE
   i INTEGER;
   existing RECORD;
   existingplacex RECORD;
+  existingline RECORD;
   existinggeometry GEOMETRY;
   existingplace_id BIGINT;
   result BOOLEAN;
@@ -2030,327 +2021,269 @@ 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
-    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;
-    --DEBUG: 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;
-  END IF;
-
+  -- filter wrong tupels
   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  
-    INSERT INTO import_polygon_error values (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name, NEW.country_code, 
-      now(), ST_IsValidReason(NEW.geometry), null, NEW.geometry);
+    INSERT INTO import_polygon_error (osm_type, osm_id, class, type, name, country_code, updated, errormessage, prevgeometry, newgeometry)
+      VALUES (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name, NEW.address->'country', now(), ST_IsValidReason(NEW.geometry), null, NEW.geometry);
 --    RAISE WARNING 'Invalid Geometry: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
     RETURN null;
   END IF;
 
-  -- Patch in additional country names
-  IF NEW.admin_level = 2 AND NEW.type = 'administrative' AND NEW.country_code is not null THEN
-    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?
-  select * from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existing;
+  -- decide, whether it is an osm interpolation line => insert intoosmline, or else just placex
+  IF NEW.class='place' and NEW.type='houses' and NEW.osm_type='W' and ST_GeometryType(NEW.geometry) = 'ST_LineString' THEN
+    -- Have we already done this place?
+    select * from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existing;
 
-  -- Get the existing place_id
-  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;
+    -- Get the existing place_id
+    select * from location_property_osmline where osm_id = NEW.osm_id INTO existingline;
 
-  -- Handle a place changing type by removing the old data
-  -- 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;
+    -- Handle a place changing type by removing the old data (this trigger is executed BEFORE INSERT of the NEW tupel)
+    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;
 
-  --DEBUG: RAISE WARNING 'Existing: %',existing.osm_id;
-  --DEBUG: RAISE WARNING 'Existing PlaceX: %',existingplacex.place_id;
+    DELETE from import_polygon_error where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
+    DELETE from import_polygon_delete where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
 
-  -- Log and discard 
-  IF existing.geometry is not null AND st_isvalid(existing.geometry) 
-    AND st_area(existing.geometry) > 0.02
-    AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon')
-    AND st_area(NEW.geometry) < st_area(existing.geometry)*0.5
-    THEN
-    INSERT INTO import_polygon_error values (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name, NEW.country_code, now(), 
-      'Area reduced from '||st_area(existing.geometry)||' to '||st_area(NEW.geometry), existing.geometry, NEW.geometry);
-    RETURN null;
-  END IF;
+    -- update method for interpolation lines: delete all old interpolation lines with same osm_id (update on place) and insert the new one(s) (they can be split up, if they have > 2 nodes)
+    IF existingline.osm_id IS NOT NULL THEN
+      delete from location_property_osmline where osm_id = NEW.osm_id;
+    END IF;
 
-  DELETE from import_polygon_error where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
-  DELETE from import_polygon_delete where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
+    -- for interpolations invalidate all nodes on the line
+    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);
 
-  -- 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 existingplacex.osm_type IS NULL THEN
 
-    IF existing.osm_type IS NOT NULL THEN
-      DELETE from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
+    INSERT INTO location_property_osmline (osm_id, address, linegeo)
+      VALUES (NEW.osm_id, NEW.address, NEW.geometry);
+
+
+    IF existing.osm_type IS NULL THEN
+      return NEW;
     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, addr_place, isin, postcode, country_code, extratags, geometry)
-      values (NEW.osm_type
-        ,NEW.osm_id
-        ,NEW.class
-        ,NEW.type
-        ,NEW.name
-        ,NEW.admin_level
-        ,NEW.housenumber
-        ,NEW.street
-        ,NEW.addr_place
-        ,NEW.isin
-        ,NEW.postcode
-        ,NEW.country_code
-        ,NEW.extratags
-        ,NEW.geometry
-        );
+    IF coalesce(existing.address, ''::hstore) != coalesce(NEW.address, ''::hstore)
+       OR (coalesce(existing.extratags, ''::hstore) != coalesce(NEW.extratags, ''::hstore))
+       OR existing.geometry::text != NEW.geometry::text
+       THEN
 
-    --DEBUG: RAISE WARNING 'insert done % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,NEW.name;
+      update place set 
+        name = NEW.name,
+        address = NEW.address,
+        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;
+    END IF;
 
-    RETURN NEW;
-  END IF;
+    RETURN NULL;
 
-  -- Various ways to do the update
+  ELSE -- insert to placex
 
-  -- Debug, what's changed?
-  IF FALSE THEN
-    IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '') THEN
-      RAISE WARNING 'update details, name: % % % %',NEW.osm_type,NEW.osm_id,existing.name::text,NEW.name::text;
-    END IF;
-    IF coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '') THEN
-      RAISE WARNING 'update details, housenumber: % % % %',NEW.osm_type,NEW.osm_id,existing.housenumber,NEW.housenumber;
-    END IF;
-    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;
+    -- Patch in additional country names
+    IF NEW.admin_level = 2 AND NEW.type = 'administrative'
+          AND NEW.address is not NULL AND NEW.address ? 'country' THEN
+        SELECT name FROM country_name WHERE country_code = lower(NEW.address->'country') INTO existing;
+        IF existing.name IS NOT NULL THEN
+            NEW.name = existing.name || NEW.name;
+        END IF;
     END IF;
-    IF coalesce(existing.postcode, '') != coalesce(NEW.postcode, '') THEN
-      RAISE WARNING 'update details, postcode: % % % %',NEW.osm_type,NEW.osm_id,existing.postcode,NEW.postcode;
+      
+    -- Have we already done this place?
+    select * from place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existing;
+
+    -- Get the existing place_id
+    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 keys
+    -- TODO: move them to their own special purpose key/class to avoid collisions
+    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;
-    IF coalesce(existing.country_code, '') != coalesce(NEW.country_code, '') THEN
-      RAISE WARNING 'update details, country_code: % % % %',NEW.osm_type,NEW.osm_id,existing.country_code,NEW.country_code;
+
+    --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) 
+      AND st_area(existing.geometry) > 0.02
+      AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon')
+      AND st_area(NEW.geometry) < st_area(existing.geometry)*0.5
+      THEN
+      INSERT INTO import_polygon_error (osm_type, osm_id, class, type, name, country_code, updated, errormessage, prevgeometry, newgeometry)
+        VALUES (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name, NEW.address->'country', now(), 
+        'Area reduced from '||st_area(existing.geometry)||' to '||st_area(NEW.geometry), existing.geometry, NEW.geometry);
+      RETURN null;
     END IF;
-  END IF;
 
-  -- Special case for polygon shape changes because they tend to be large and we can be a bit clever about how we handle them
-  IF existing.geometry::text != NEW.geometry::text 
-     AND ST_GeometryType(existing.geometry) in ('ST_Polygon','ST_MultiPolygon')
-     AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') 
-     THEN 
+    DELETE from import_polygon_error where osm_type = NEW.osm_type and osm_id = NEW.osm_id;
+    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
+        (existingplacex.class = 'boundary' AND
+          ((coalesce(existingplacex.admin_level, 15) != coalesce(NEW.admin_level, 15) AND existingplacex.type = 'administrative') OR
+          (existingplacex.type != NEW.type)))
+    THEN
 
-    -- Get the version of the geometry actually used (in placex table)
-    select geometry from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type into existinggeometry;
+      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;
 
-    -- Performance limit
-    IF st_area(NEW.geometry) < 0.000000001 AND st_area(existinggeometry) < 1 THEN
+      IF existing.osm_type IS NOT NULL THEN
+        -- 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;
 
-      -- 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_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);
+      -- 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, address, extratags, geometry)
+        values (NEW.osm_type, NEW.osm_id, NEW.class, NEW.type, NEW.name,
+                NEW.admin_level, NEW.address, NEW.extratags, NEW.geometry);
 
-      update placex set indexed_status = 2 where indexed_status = 0 and 
-          (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);
+      --DEBUG: RAISE WARNING 'insert done % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,NEW.name;
 
+      RETURN NEW;
     END IF;
 
-  END IF;
+    -- Special case for polygon shape changes because they tend to be large and we can be a bit clever about how we handle them
+    IF existing.geometry::text != NEW.geometry::text 
+       AND ST_GeometryType(existing.geometry) in ('ST_Polygon','ST_MultiPolygon')
+       AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') 
+       THEN 
 
-  -- 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.addr_place, '') = coalesce(NEW.addr_place, '')
-     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
+      -- Get the version of the geometry actually used (in placex table)
+      select geometry from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type into existinggeometry;
 
-    IF NOT update_location_nameonly(existingplacex.place_id, NEW.name) THEN
+      -- Performance limit
+      IF st_area(NEW.geometry) < 0.000000001 AND st_area(existinggeometry) < 1 THEN
+
+        -- 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_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_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);
 
-      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
-          and (rank_search < 28 or name is not null);
       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.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, '') 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;
+       OR coalesce(existing.extratags::text, '') != coalesce(NEW.extratags::text, '')
+       OR coalesce(existing.address, ''::hstore) != coalesce(NEW.address, ''::hstore)
+       OR coalesce(existing.admin_level, 15) != coalesce(NEW.admin_level, 15)
+       OR existing.geometry::text != NEW.geometry::text
+       THEN
+
+      update place set 
+        name = NEW.name,
+        address = NEW.address,
+        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.address is NULL OR NOT NEW.address ? 'postcode' 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.address->'postcode');
+      END IF;
+
+      IF NEW.class in ('boundary')
+         AND ST_GeometryType(NEW.geometry) not in ('ST_Polygon','ST_MultiPolygon') THEN
+          DELETE FROM placex where place_id = existingplacex.place_id;
+          RETURN NULL;
+      END IF;
+
+      update placex set 
+        name = NEW.name,
+        address = NEW.address,
+        parent_place_id = null,
+        extratags = NEW.extratags,
+        admin_level = NEW.admin_level,
+        indexed_status = 2,
+        geometry = NEW.geometry
+        where place_id = existingplacex.place_id;
+      -- if a node(=>house), which is part of a interpolation line, changes (e.g. the street attribute) => mark this line for reparenting 
+      -- (already here, because interpolation lines are reindexed before nodes, so in the second call it would be too late)
+      IF NEW.osm_type='N'
+         and (coalesce(existing.address, ''::hstore) != coalesce(NEW.address, ''::hstore)
+             or existing.geometry::text != NEW.geometry::text)
+      THEN
+          result:= osmline_reinsert(NEW.osm_id, NEW.geometry);
+      END IF;
+
+      -- linked places should get potential new naming and addresses
+      IF existingplacex.linked_place_id is not NULL THEN
+        update placex x set
+          name = p.name,
+          extratags = p.extratags,
+          indexed_status = 2
+        from place p
+        where x.place_id = existingplacex.linked_place_id
+              and x.indexed_status = 0
+              and x.osm_type = p.osm_type
+              and x.osm_id = p.osm_id
+              and x.class = p.class;
       END IF;
 
     END IF;
 
+    -- Abort the add (we modified the existing place instead)
+    RETURN NULL;
   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
-
-    update place 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,
-      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;
-
-    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 = NEW.admin_level,
-      indexed_status = 2,    
-      geometry = NEW.geometry
-      where place_id = existingplacex.place_id;
-
-  END IF;
-
-  -- Abort the add (we modified the existing place instead)
-  RETURN NULL;
-
-END; 
+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;
 
   -- anything will do as a fallback - just take the first name type thing there is
-  search := avals(name);
-  RETURN search[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
-      IF not (ARRAY[location.nodes] <@ searchnodes) THEN
-        searchnodes := searchnodes || location.nodes;
-      END IF;
-    END LOOP;
-  END LOOP;
-
-  RETURN QUERY select * from planet_osm_ways where nodes && searchnodes and NOT ARRAY[id] <@ way_ids;
+  RETURN trim((avals(name))[1]);
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_address_postcode(for_place_id BIGINT) RETURNS TEXT
-  AS $$
-DECLARE
-  result TEXT[];
-  search TEXT[];
-  for_postcode TEXT;
-  found INTEGER;
-  location RECORD;
-BEGIN
-
-  found := 1000;
-  search := ARRAY['ref'];
-  result := '{}';
-
-  select postcode from placex where place_id = for_place_id limit 1 into for_postcode;
-
-  FOR location IN 
-    select rank_address,name,distance,length(name::text) as namelength 
-      from place_addressline join placex on (address_place_id = placex.place_id) 
-      where place_addressline.place_id = for_place_id and rank_address in (5,11)
-      order by rank_address desc,rank_search desc,fromarea desc,distance asc,namelength desc
-  LOOP
-    IF array_upper(search, 1) IS NOT NULL AND array_upper(location.name, 1) IS NOT NULL THEN
-      FOR j IN 1..array_upper(search, 1) LOOP
-        FOR k IN 1..array_upper(location.name, 1) LOOP
-          IF (found > location.rank_address AND location.name[k].key = search[j] AND location.name[k].value != '') AND NOT result @> ARRAY[trim(location.name[k].value)] AND (for_postcode IS NULL OR location.name[k].value ilike for_postcode||'%') THEN
-            result[(100 - location.rank_address)] := trim(location.name[k].value);
-            found := location.rank_address;
-          END IF;
-        END LOOP;
-      END LOOP;
-    END IF;
-  END LOOP;
-
-  RETURN array_to_string(result,', ');
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id BIGINT, languagepref TEXT[]) RETURNS TEXT
+--housenumber only needed for tiger data
+CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id BIGINT, housenumber INTEGER, languagepref TEXT[]) RETURNS TEXT
   AS $$
 DECLARE
   result TEXT[];
@@ -2362,7 +2295,7 @@ BEGIN
   result := '{}';
   prevresult := '';
 
-  FOR location IN select * from get_addressdata(for_place_id) where isaddress order by rank_address desc LOOP
+  FOR location IN select * from get_addressdata(for_place_id, housenumber) 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 AND result[(100 - location.rank_address)] IS NULL THEN
       result[(100 - location.rank_address)] := trim(get_name_by_language(location.name, languagepref));
@@ -2390,7 +2323,10 @@ create type addressline as (
   distance FLOAT
 );
 
-CREATE OR REPLACE FUNCTION get_addressdata(in_place_id BIGINT) RETURNS setof addressline 
+-- Compute the list of address parts for the given place.
+--
+-- If in_housenumber is greator or equal 0, look for an interpolation.
+CREATE OR REPLACE FUNCTION get_addressdata(in_place_id BIGINT, in_housenumber INTEGER) RETURNS setof addressline 
   AS $$
 DECLARE
   for_place_id BIGINT;
@@ -2404,135 +2340,180 @@ DECLARE
   searchhousename HSTORE;
   searchrankaddress INTEGER;
   searchpostcode TEXT;
+  postcode_isaddress BOOL;
   searchclass TEXT;
   searchtype TEXT;
   countryname HSTORE;
-  hadcountry BOOLEAN;
 BEGIN
+  -- The place ein question might not have a direct entry in place_addressline.
+  -- Look for the parent of such places then and save if in for_place_id.
+
+  postcode_isaddress := true;
+
+  -- first query osmline (interpolation lines)
+  IF in_housenumber >= 0 THEN
+    SELECT parent_place_id, country_code, in_housenumber::text, 30, postcode,
+           null, 'place', 'house'
+      FROM location_property_osmline
+      WHERE place_id = in_place_id AND in_housenumber>=startnumber
+            AND in_housenumber <= endnumber
+      INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress,
+           searchpostcode, searchhousename, searchclass, searchtype;
+  END IF;
+
+  --then query tiger data
+  -- %NOTIGERDATA% IF 0 THEN
+  IF for_place_id IS NULL AND in_housenumber >= 0 THEN
+    SELECT parent_place_id, 'us', in_housenumber::text, 30, postcode, null,
+           'place', 'house'
+      FROM location_property_tiger
+      WHERE place_id = in_place_id AND in_housenumber >= startnumber
+            AND in_housenumber <= endnumber
+      INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress,
+           searchpostcode, searchhousename, searchclass, searchtype;
+  END IF;
+  -- %NOTIGERDATA% END IF;
+
+  -- %NOAUXDATA% IF 0 THEN
+  IF for_place_id IS NULL THEN
+    SELECT parent_place_id, 'us', housenumber, 30, postcode, null, 'place', 'house'
+      FROM location_property_aux
+      WHERE place_id = in_place_id
+      INTO for_place_id,searchcountrycode, searchhousenumber, searchrankaddress,
+           searchpostcode, searchhousename, searchclass, searchtype;
+  END IF;
+  -- %NOAUXDATA% END IF;
 
-  select parent_place_id,'us', housenumber, 30, postcode, null, 'place', 'house' from location_property_tiger 
-    WHERE place_id = in_place_id 
-    INTO for_place_id,searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename, searchclass, searchtype;
-
+  -- postcode table
   IF for_place_id IS NULL THEN
-    select parent_place_id,'us', housenumber, 30, postcode, null, 'place', 'house' from location_property_aux
-      WHERE place_id = in_place_id 
-      INTO for_place_id,searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename, searchclass, searchtype;
+    SELECT parent_place_id, country_code, rank_address, postcode, 'place', 'postcode'
+      FROM location_postcode
+      WHERE place_id = in_place_id
+      INTO for_place_id, searchcountrycode, searchrankaddress, searchpostcode,
+           searchclass, searchtype;
   END IF;
 
+  -- POI objects in the placex table
   IF for_place_id IS NULL THEN
-    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;
+    SELECT parent_place_id, country_code, housenumber, rank_search, postcode,
+           name, class, type
+      FROM placex
+      WHERE place_id = in_place_id and rank_search > 27
+      INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress,
+           searchpostcode, searchhousename, searchclass, searchtype;
   END IF;
 
+  -- If for_place_id is still NULL at this point then the object has its own
+  -- entry in place_address line. However, still check if there is not linked
+  -- place we should be using instead.
   IF for_place_id IS NULL THEN
-    for_place_id := in_place_id;
-    select calculated_country_code, housenumber, rank_search, postcode, null from placex where place_id = for_place_id 
-      INTO searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename;
+    select coalesce(linked_place_id, place_id),  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;
 
-  found := 1000;
-  hadcountry := false;
-  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,
-      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
-      from placex
-      where place_id = for_place_id 
+  found := 1000; -- the lowest rank_address included
+
+  -- Return the record for the base entry.
+  FOR location IN
+    SELECT placex.place_id, osm_type, osm_id, name,
+           class, type, admin_level,
+           type not in ('postcode', 'postal_code') 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, 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;
+    IF searchcountrycode IS NULL AND location.country_code IS NOT NULL THEN
+      searchcountrycode := location.country_code;
     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;
+    IF location.rank_address < 4 THEN
+      -- no country locations for ranks higher than country
+      searchcountrycode := NULL;
     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;
+    countrylocation := ROW(location.place_id, location.osm_type, location.osm_id,
+                           location.name, location.class, location.type,
+                           location.admin_level, true, 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,
-      class, 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,calculated_country_code
-      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)
-      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
+  FOR location IN
+    SELECT placex.place_id, osm_type, osm_id, 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 rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
+           distance, 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 >= 4 AND cached_rank_address < searchrankaddress)
+            AND linked_place_id is null
+            AND (placex.country_code IS NULL OR searchcountrycode IS NULL
+                 OR placex.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.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;
+    IF searchcountrycode IS NULL AND location.country_code IS NOT NULL THEN
+      searchcountrycode := location.country_code;
     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;
+    IF location.type in ('postcode', 'postal_code') THEN
+      postcode_isaddress := false;
+      IF location.osm_type != 'R' THEN
+        location.isaddress := FALSE;
       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, 
+    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;
 
+  -- If no country was included yet, add the name information from country_name.
   IF found > 4 THEN
-    select name from country_name where country_code = searchcountrycode limit 1 INTO countryname;
+    SELECT name FROM country_name
+      WHERE country_code = searchcountrycode LIMIT 1 INTO countryname;
 --RAISE WARNING '% % %',found,searchcountrycode,countryname;
     IF countryname IS NOT NULL THEN
-      location := ROW(null, null, null, countryname, 'place', 'country', null, true, true, 4, 0)::addressline;
+      location := ROW(null, null, null, countryname, 'place', 'country',
+                      null, true, true, 4, 0)::addressline;
       RETURN NEXT location;
     END IF;
   END IF;
 
+  -- Finally add some artificial rows.
   IF searchcountrycode IS NOT NULL THEN
-    location := ROW(null, null, null, hstore('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;
 
   IF searchhousename IS NOT NULL THEN
-    location := ROW(in_place_id, null, null, searchhousename, searchclass, searchtype, null, true, true, 29, 0)::addressline;
---    location := ROW(in_place_id, null, null, searchhousename, 'place', 'house_name', null, true, true, 29, 0)::addressline;
+    location := ROW(in_place_id, null, null, searchhousename, searchclass,
+                    searchtype, null, true, true, 29, 0)::addressline;
     RETURN NEXT location;
   END IF;
 
   IF searchhousenumber IS NOT NULL THEN
-    location := ROW(in_place_id, null, null, hstore('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, hstore('ref', searchpostcode), 'place', 'postcode', null, true, true, 5, 0)::addressline;
+    location := ROW(null, null, null, hstore('ref', searchpostcode), 'place',
+                    'postcode', null, false, postcode_isaddress, 5, 0)::addressline;
     RETURN NEXT location;
   END IF;
 
@@ -2541,233 +2522,6 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_place_boundingbox(search_place_id BIGINT) 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 BIGINT) 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 BIGINT) RETURNS BOOLEAN
-  AS $$
-DECLARE
-  result place_boundingbox;
-  numfeatures integer;
-BEGIN
-  update placex set 
-      name = place.name,
-      housenumber = place.housenumber,
-      street = place.street,
-      addr_place = place.addr_place,
-      isin = place.isin,
-      postcode = place.postcode,
-      country_code = place.country_code,
-      parent_place_id = null
-      from place
-      where placex.place_id = search_place_id 
-        and place.osm_type = placex.osm_type and place.osm_id = placex.osm_id
-        and place.class = placex.class and place.type = placex.type;
-  update placex set indexed_status = 2 where place_id = search_place_id;
-  update placex set indexed_status = 0 where place_id = search_place_id;
-  return true;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_searchrank_label(rank INTEGER) RETURNS TEXT
-  AS $$
-DECLARE
-BEGIN
-  IF rank < 2 THEN
-    RETURN 'Continent';
-  ELSEIF rank < 4 THEN
-    RETURN 'Sea';
-  ELSEIF rank < 8 THEN
-    RETURN 'Country';
-  ELSEIF rank < 12 THEN
-    RETURN 'State';
-  ELSEIF rank < 16 THEN
-    RETURN 'County';
-  ELSEIF rank = 16 THEN
-    RETURN 'City';
-  ELSEIF rank = 17 THEN
-    RETURN 'Town / Island';
-  ELSEIF rank = 18 THEN
-    RETURN 'Village / Hamlet';
-  ELSEIF rank = 20 THEN
-    RETURN 'Suburb';
-  ELSEIF rank = 21 THEN
-    RETURN 'Postcode Area';
-  ELSEIF rank = 22 THEN
-    RETURN 'Croft / Farm / Locality / Islet';
-  ELSEIF rank = 23 THEN
-    RETURN 'Postcode Area';
-  ELSEIF rank = 25 THEN
-    RETURN 'Postcode Point';
-  ELSEIF rank = 26 THEN
-    RETURN 'Street / Major Landmark';
-  ELSEIF rank = 27 THEN
-    RETURN 'Minory Street / Path';
-  ELSEIF rank = 28 THEN
-    RETURN 'House / Building';
-  ELSE
-    RETURN 'Other: '||rank;
-  END IF;
-  
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_addressrank_label(rank INTEGER) RETURNS TEXT
-  AS $$
-DECLARE
-BEGIN
-  IF rank = 0 THEN
-    RETURN 'None';
-  ELSEIF rank < 2 THEN
-    RETURN 'Continent';
-  ELSEIF rank < 4 THEN
-    RETURN 'Sea';
-  ELSEIF rank = 5 THEN
-    RETURN 'Postcode';
-  ELSEIF rank < 8 THEN
-    RETURN 'Country';
-  ELSEIF rank < 12 THEN
-    RETURN 'State';
-  ELSEIF rank < 16 THEN
-    RETURN 'County';
-  ELSEIF rank = 16 THEN
-    RETURN 'City';
-  ELSEIF rank = 17 THEN
-    RETURN 'Town / Village / Hamlet';
-  ELSEIF rank = 20 THEN
-    RETURN 'Suburb';
-  ELSEIF rank = 21 THEN
-    RETURN 'Postcode Area';
-  ELSEIF rank = 22 THEN
-    RETURN 'Croft / Farm / Locality / Islet';
-  ELSEIF rank = 23 THEN
-    RETURN 'Postcode Area';
-  ELSEIF rank = 25 THEN
-    RETURN 'Postcode Point';
-  ELSEIF rank = 26 THEN
-    RETURN 'Street / Major Landmark';
-  ELSEIF rank = 27 THEN
-    RETURN 'Minory Street / Path';
-  ELSEIF rank = 28 THEN
-    RETURN 'House / Building';
-  ELSE
-    RETURN 'Other: '||rank;
-  END IF;
-  
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_word_suggestion(srcword TEXT) RETURNS TEXT
-  AS $$
-DECLARE
-  trigramtoken TEXT;
-  result TEXT;
-BEGIN
-
-  trigramtoken := regexp_replace(make_standard_name(srcword),E'([^0-9])\\1+',E'\\1','g');
-  SELECT word FROM word WHERE word_trigram like ' %' and word_trigram % trigramtoken ORDER BY similarity(word_trigram, trigramtoken) DESC, word limit 1 into result;
-
-  return result;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_word_suggestions(srcword TEXT) RETURNS TEXT[]
-  AS $$
-DECLARE
-  trigramtoken TEXT;
-  result TEXT[];
-  r RECORD;
-BEGIN
-
-  trigramtoken := regexp_replace(make_standard_name(srcword),E'([^0-9])\\1+',E'\\1','g');
-
-  FOR r IN SELECT word,similarity(word_trigram, trigramtoken) as score FROM word 
-    WHERE word_trigram like ' %' and word_trigram % trigramtoken ORDER BY similarity(word_trigram, trigramtoken) DESC, word limit 4
-  LOOP
-    result[coalesce(array_upper(result,1)+1,1)] := r.word;
-  END LOOP;
-
-  return result;
-END;
-$$
-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
@@ -2785,7 +2539,7 @@ DECLARE
 BEGIN
 
   place_centroid := ST_Centroid(pointgeo);
-  out_partition := get_partition(place_centroid, in_countrycode);
+  out_partition := get_partition(in_countrycode);
   out_parent_place_id := null;
 
   address_street_word_id := get_name_id(make_standard_name(in_street));
@@ -2798,16 +2552,14 @@ BEGIN
   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 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;
+  -- XXX look into postcode table
 
   newpoints := 0;
   insert into location_property_aux (place_id, partition, parent_place_id, housenumber, postcode, centroid)
@@ -2900,14 +2652,14 @@ BEGIN
       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 := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3})[=:]',E'\\2:');
       wiki_article := replace(wiki_article,' ','_');
-      wiki_article_title := trim(split_part(wiki_article, ':', 2));
-      IF wiki_article_title IS NULL OR wiki_article_title = '' THEN
+      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;
-      ELSE
-        wiki_article_language := lower(trim(split_part(wiki_article, ':', 1)));
       END IF;
 
       select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
@@ -3059,14 +2811,15 @@ DECLARE
   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));
+        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 address ? 'place'));
         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));
+        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 address ? 'place'));
       END LOOP;
     ELSE
         diameter := 0;
@@ -3091,7 +2844,7 @@ BEGIN
             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);
+            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 address ? 'place');
           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);