replace database abstraction DB with PDO

[nominatim.git] / sql / functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index f28e1d0ff9540ded4c92f4caf7efef1c4eb2f64b..73790353059a683cdfec0db2f101e1dbc5935f4e 100644 (file)
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -1,106 +1,23 @@
---DROP TRIGGER IF EXISTS place_before_insert on placex;
---DROP TRIGGER IF EXISTS place_before_update on placex;
---CREATE TYPE addresscalculationtype AS (
---  word text,
---  score integer
---);
-
-
-CREATE OR REPLACE FUNCTION getclasstypekey(c text, t text) RETURNS TEXT
-  AS $$
-DECLARE
-BEGIN
-  RETURN c||'|'||t;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION isbrokengeometry(place geometry) RETURNS BOOLEAN
+-- 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 $$
   AS $$

-DECLARE
-  NEWgeometry geometry;

 BEGIN
 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;
 $$
 END;
 $$

-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(place geometry) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry) RETURNS INTEGER

   AS $$
 DECLARE
   NEWgeometry geometry;
 BEGIN
 --  RAISE WARNING '%',place;
   AS $$
 DECLARE
   NEWgeometry geometry;
 BEGIN
 --  RAISE WARNING '%',place;

-  NEWgeometry := place;
-  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    NEWgeometry := ST_buffer(NEWgeometry,0);
-    IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-      RETURN 0;
-    END IF;
-  END IF;
-  RETURN (500-ST_X(ST_Centroid(NEWgeometry))::integer)*1000 + (500-ST_Y(ST_Centroid(NEWgeometry))::integer);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION debug_geometry_sector(osmid integer, place geometry) RETURNS INTEGER
-  AS $$
-DECLARE
-  NEWgeometry geometry;
-BEGIN
---  RAISE WARNING '%',osmid;
-  IF osmid = 61315 THEN
-    return null;
-  END IF;
-  NEWgeometry := place;
-  IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-    NEWgeometry := ST_buffer(NEWgeometry,0);
-    IF ST_IsEmpty(NEWgeometry) OR NOT ST_IsValid(NEWgeometry) OR ST_X(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') OR ST_Y(ST_Centroid(NEWgeometry))::text in ('NaN','Infinity','-Infinity') THEN  
-      RETURN NULL;
-    END IF;
-  END IF;
-  RETURN (500-ST_X(ST_Centroid(NEWgeometry))::integer)*1000 + (500-ST_Y(ST_Centroid(NEWgeometry))::integer);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION geometry_index(place geometry, indexed BOOLEAN, name HSTORE) RETURNS INTEGER
-  AS $$
-BEGIN
-IF indexed THEN RETURN NULL; END IF;
-IF name is null THEN RETURN NULL; END IF;
-RETURN geometry_sector(place);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION geometry_index(sector integer, indexed BOOLEAN, name HSTORE) RETURNS INTEGER
-  AS $$
-BEGIN
-IF indexed THEN RETURN NULL; END IF;
-IF name is null THEN RETURN NULL; END IF;
-RETURN sector;
+  NEWgeometry := ST_PointOnSurface(place);
+  RETURN (partition*1000000) + (500-ST_X(NEWgeometry)::integer)*1000 + (500-ST_Y(NEWgeometry)::integer);

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


@@ -118,24 +35,30 @@ CREATE OR REPLACE FUNCTION make_standard_name(name TEXT) RETURNS TEXT
 DECLARE
   o TEXT;
 BEGIN
 DECLARE
   o TEXT;
 BEGIN

-  o := gettokenstring(transliteration(name));
+  o := public.gettokenstring(public.transliteration(name));

   RETURN trim(substr(o,1,length(o)));
 END;
 $$
 LANGUAGE 'plpgsql' IMMUTABLE;
 
   RETURN trim(substr(o,1,length(o)));
 END;
 $$
 LANGUAGE 'plpgsql' IMMUTABLE;
 

+-- returns NULL if the word is too common

 CREATE OR REPLACE FUNCTION getorcreate_word_id(lookup_word TEXT) 
   RETURNS INTEGER
   AS $$
 DECLARE
   lookup_token TEXT;
   return_word_id INTEGER;
 CREATE OR REPLACE FUNCTION getorcreate_word_id(lookup_word TEXT) 
   RETURNS INTEGER
   AS $$
 DECLARE
   lookup_token TEXT;
   return_word_id INTEGER;

+  count INTEGER;

 BEGIN
   lookup_token := trim(lookup_word);
 BEGIN
   lookup_token := trim(lookup_word);

-  SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
+  SELECT min(word_id), max(search_name_count) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id, count;

   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, regexp_replace(lookup_token,E'([^0-9])\\1+',E'\\1','g'), null, null, null, null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
+  ELSE
+    IF count > get_maxwordfreq() THEN
+      return_word_id := NULL;
+    END IF;

   END IF;
   RETURN return_word_id;
 END;
   END IF;
   RETURN return_word_id;
 END;


@@ -153,32 +76,34 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='house' into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='house' into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, 'place', 'house', null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, null, 'place', 'house', null, 0);

   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
   END IF;
   RETURN return_word_id;
 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 $$
 DECLARE
   lookup_token TEXT;
   RETURNS INTEGER
   AS $$
 DECLARE
   lookup_token TEXT;

+  lookup_word TEXT;

   return_word_id INTEGER;
 BEGIN
   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');
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, lookup_country_code, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, lookup_word, 'place', 'postcode', null, 0);

   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
   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 $$
 DECLARE
   RETURNS INTEGER
   AS $$
 DECLARE


@@ -186,49 +111,35 @@ DECLARE
   return_word_id INTEGER;
 BEGIN
   lookup_token := ' '||trim(lookup_word);
   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');
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, lookup_class, lookup_type, null, 0, null);
+    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;
 
   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 $$
 DECLARE
   lookup_token TEXT;
   return_word_id INTEGER;
 BEGIN
   RETURNS INTEGER
   AS $$
 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');
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word, lookup_class, lookup_type, null, 0);

   END IF;
   RETURN return_word_id;
 END;
 $$
 LANGUAGE plpgsql;
 
   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 $$
 DECLARE
   RETURNS INTEGER
   AS $$
 DECLARE


@@ -236,10 +147,10 @@ DECLARE
   return_word_id INTEGER;
 BEGIN
   lookup_token := ' '||trim(lookup_word);
   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');
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, null, null, lookup_class, lookup_type, null, 0, null, 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;
   END IF;
   RETURN return_word_id;
 END;


@@ -258,7 +169,7 @@ BEGIN
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');
   SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
   IF return_word_id IS NULL THEN
     return_word_id := nextval('seq_word');

-    INSERT INTO word VALUES (return_word_id, lookup_token, regexp_replace(lookup_token,E'([^0-9])\\1+',E'\\1','g'), src_word, null, null, null, 0, null);
+    INSERT INTO word VALUES (return_word_id, lookup_token, src_word, null, null, null, 0);

 --    nospace_lookup_token := replace(replace(lookup_token, '-',''), ' ','');
 --    IF ' '||nospace_lookup_token != lookup_token THEN
 --      INSERT INTO word VALUES (return_word_id, '-'||nospace_lookup_token, null, src_word, null, null, null, 0, null);
 --    nospace_lookup_token := replace(replace(lookup_token, '-',''), ' ','');
 --    IF ' '||nospace_lookup_token != lookup_token THEN
 --      INSERT INTO word VALUES (return_word_id, '-'||nospace_lookup_token, null, src_word, null, null, null, 0, null);


@@ -307,6 +218,20 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
 $$
 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 $$
 CREATE OR REPLACE FUNCTION array_merge(a INTEGER[], b INTEGER[])
   RETURNS INTEGER[]
   AS $$


@@ -322,7 +247,7 @@ BEGIN
   END IF;
   r := a;
   FOR i IN 1..array_upper(b, 1) LOOP  
   END IF;
   r := a;
   FOR i IN 1..array_upper(b, 1) LOOP  

-    IF NOT (ARRAY[b[i]] && r) THEN
+    IF NOT (ARRAY[b[i]] <@ r) THEN

       r := r || b[i];
     END IF;
   END LOOP;
       r := r || b[i];
     END IF;
   END LOOP;


@@ -331,6 +256,149 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
 $$
 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 $$
+DECLARE
+  s TEXT;
+  w INTEGER;
+  words TEXT[];
+  item RECORD;
+  j INTEGER;
+BEGIN
+  FOR item IN SELECT (each(src)).* LOOP
+
+    s := make_standard_name(item.value);
+    w := getorcreate_country(s, lookup_country_code);
+
+    words := regexp_split_to_array(item.value, E'[,;()]');
+    IF array_upper(words, 1) != 1 THEN
+      FOR j IN 1..array_upper(words, 1) LOOP
+        s := make_standard_name(words[j]);
+        IF s != '' THEN
+          w := getorcreate_country(s, lookup_country_code);
+        END IF;
+      END LOOP;
+    END IF;
+  END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+

 CREATE OR REPLACE FUNCTION make_keywords(src HSTORE) RETURNS INTEGER[]
   AS $$
 DECLARE
 CREATE OR REPLACE FUNCTION make_keywords(src HSTORE) RETURNS INTEGER[]
   AS $$
 DECLARE


@@ -348,15 +416,24 @@ BEGIN
     s := make_standard_name(item.value);
 
     w := getorcreate_name_id(s, item.value);
     s := make_standard_name(item.value);
 
     w := getorcreate_name_id(s, item.value);

-    result := result | w;
+
+    IF not(ARRAY[w] <@ result) THEN
+      result := result || w;
+    END IF;
+
+    w := getorcreate_word_id(s);
+
+    IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+      result := result || w;
+    END IF;

 
     words := string_to_array(s, ' ');
     IF array_upper(words, 1) IS NOT NULL THEN
       FOR j IN 1..array_upper(words, 1) LOOP
         IF (words[j] != '') THEN
           w = getorcreate_word_id(words[j]);
 
     words := string_to_array(s, ' ');
     IF array_upper(words, 1) IS NOT NULL THEN
       FOR j IN 1..array_upper(words, 1) LOOP
         IF (words[j] != '') THEN
           w = getorcreate_word_id(words[j]);

-          IF NOT (ARRAY[w] && result) THEN
-            result := result | w;
+          IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+            result := result || w;

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


@@ -368,8 +445,8 @@ BEGIN
         s := make_standard_name(words[j]);
         IF s != '' THEN
           w := getorcreate_word_id(s);
         s := make_standard_name(words[j]);
         IF s != '' THEN
           w := getorcreate_word_id(s);

-          IF NOT (ARRAY[w] && result) THEN
-            result := result | w;
+          IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+            result := result || w;

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


@@ -380,8 +457,8 @@ BEGIN
       s := make_standard_name(s);
       IF s != '' THEN
         w := getorcreate_name_id(s, item.value);
       s := make_standard_name(s);
       IF s != '' THEN
         w := getorcreate_name_id(s, item.value);

-        IF NOT (ARRAY[w] && result) THEN
-          result := result | w;
+        IF NOT (ARRAY[w] <@ result) THEN
+          result := result || w;

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


@@ -406,9 +483,15 @@ BEGIN
   result := '{}'::INTEGER[];
 
   s := make_standard_name(src);
   result := '{}'::INTEGER[];
 
   s := make_standard_name(src);

-  w := getorcreate_name_id(s);
+  w := getorcreate_name_id(s, src);
+
+  IF NOT (ARRAY[w] <@ result) THEN
+    result := result || w;
+  END IF;

 
 

-  IF NOT (ARRAY[w] && result) THEN
+  w := getorcreate_word_id(s);
+
+  IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN

     result := result || w;
   END IF;
 
     result := result || w;
   END IF;
 


@@ -417,37 +500,36 @@ BEGIN
     FOR j IN 1..array_upper(words, 1) LOOP
       IF (words[j] != '') THEN
         w = getorcreate_word_id(words[j]);
     FOR j IN 1..array_upper(words, 1) LOOP
       IF (words[j] != '') THEN
         w = getorcreate_word_id(words[j]);

-        IF NOT (ARRAY[w] && result) THEN
+        IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN

           result := result || w;
         END IF;
       END IF;
     END LOOP;
   END IF;
 
           result := result || w;
         END IF;
       END IF;
     END LOOP;
   END IF;
 

-  RETURN result;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_word_score(wordscores wordscore[], words text[]) RETURNS integer
-  AS $$
-DECLARE
-  idxword integer;
-  idxscores integer;
-  result integer;
-BEGIN
-  IF (wordscores is null OR words is null) THEN
-    RETURN 0;
+  words := regexp_split_to_array(src, E'[,;()]');
+  IF array_upper(words, 1) != 1 THEN
+    FOR j IN 1..array_upper(words, 1) LOOP
+      s := make_standard_name(words[j]);
+      IF s != '' THEN
+        w := getorcreate_word_id(s);
+        IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+          result := result || w;
+        END IF;
+      END IF;
+    END LOOP;

   END IF;
 
   END IF;
 

-  result := 0;
-  FOR idxword in 1 .. array_upper(words, 1) LOOP
-    FOR idxscores in 1 .. array_upper(wordscores, 1) LOOP
-      IF wordscores[idxscores].word = words[idxword] THEN
-        result := result + wordscores[idxscores].score;
+  s := regexp_replace(src, '市$', '');
+  IF s != src THEN
+    s := make_standard_name(s);
+    IF s != '' THEN
+      w := getorcreate_name_id(s, src);
+      IF NOT (ARRAY[w] <@ result) THEN
+        result := result || w;

       END IF;
       END IF;

-    END LOOP;
-  END LOOP;
+    END IF;
+  END IF;

 
   RETURN result;
 END;
 
   RETURN result;
 END;


@@ -460,69 +542,81 @@ DECLARE
   place_centre GEOMETRY;
   nearcountry RECORD;
 BEGIN
   place_centre GEOMETRY;
   nearcountry RECORD;
 BEGIN

-  place_centre := ST_Centroid(place);
+  place_centre := ST_PointOnSurface(place);

 
 

---RAISE WARNING 'start: %', ST_AsText(place_centre);
+-- RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);

 
 

-  -- Try for a OSM polygon first
-  FOR nearcountry IN select country_code from location_area_country where country_code is not null and st_contains(geometry, place_centre) limit 1
+  -- Try for a OSM polygon
+  FOR nearcountry IN select country_code from location_area_country where country_code is not null and not isguess and st_covers(geometry, place_centre) limit 1

   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 

---RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
+-- RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);

 
   -- Try for OSM fallback data
 
   -- Try for OSM fallback data

-  FOR nearcountry IN select country_code from country_osm_grid where st_contains(geometry, place_centre) limit 1
+  -- The order is to deal with places like HongKong that are 'states' within another polygon
+  FOR nearcountry IN select country_code from country_osm_grid where st_covers(geometry, place_centre) order by area asc limit 1

   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 

---RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
+-- RAISE WARNING 'near osm fallback: %', ST_AsText(place_centre);

 
 

-  -- Natural earth data (first fallback)
---  FOR nearcountry IN select country_code from country_naturalearthdata where st_contains(geometry, place_centre) limit 1
---  LOOP
---    RETURN nearcountry.country_code;
---  END LOOP;
-
---RAISE WARNING 'in country: %', ST_AsText(place_centre);
-
-  -- WorldBoundaries data (second fallback - think there might be something broken in this data)
-  FOR nearcountry IN select country_code from country where st_contains(geometry, place_centre) limit 1
+  -- 
+  FOR nearcountry IN select country_code from country_osm_grid where st_dwithin(geometry, place_centre, 0.5) order by st_distance(geometry, place_centre) asc, area asc limit 1

   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 
   LOOP
     RETURN nearcountry.country_code;
   END LOOP;
 

---RAISE WARNING 'near country: %', ST_AsText(place_centre);
+  RETURN NULL;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;

 
 

-  -- 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
+CREATE OR REPLACE FUNCTION get_country_language_code(search_country_code VARCHAR(2)) RETURNS TEXT
+  AS $$
+DECLARE
+  nearcountry RECORD;
+BEGIN
+  FOR nearcountry IN select distinct country_default_language_code from country_name where country_code = search_country_code limit 1

   LOOP
   LOOP

-    RETURN nearcountry.country_code;
+    RETURN lower(nearcountry.country_default_language_code);

   END LOOP;
   END LOOP;

-

   RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
   RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 

-CREATE OR REPLACE FUNCTION get_country_language_code(search_country_code VARCHAR(2)) RETURNS TEXT
+CREATE OR REPLACE FUNCTION get_country_language_codes(search_country_code VARCHAR(2)) RETURNS TEXT[]

   AS $$
 DECLARE
   nearcountry RECORD;
 BEGIN
   AS $$
 DECLARE
   nearcountry RECORD;
 BEGIN

-  FOR nearcountry IN select distinct country_default_language_code from country where country_code = search_country_code limit 1
+  FOR nearcountry IN select country_default_language_codes from country_name where country_code = search_country_code limit 1

   LOOP
   LOOP

-    RETURN lower(nearcountry.country_default_language_code);
+    RETURN lower(nearcountry.country_default_language_codes);

   END LOOP;
   RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
   END LOOP;
   RETURN NULL;
 END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 

-CREATE OR REPLACE FUNCTION delete_location(OLD_place_id INTEGER) RETURNS BOOLEAN
+CREATE OR REPLACE FUNCTION get_partition(in_country_code VARCHAR(10)) RETURNS INTEGER
+  AS $$
+DECLARE
+  nearcountry RECORD;
+BEGIN
+  FOR nearcountry IN select partition from country_name where country_code = in_country_code
+  LOOP
+    RETURN nearcountry.partition;
+  END LOOP;
+  RETURN 0;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
+CREATE OR REPLACE FUNCTION delete_location(OLD_place_id BIGINT) RETURNS BOOLEAN

   AS $$
 DECLARE
 BEGIN
   AS $$
 DECLARE
 BEGIN


@@ -534,593 +628,535 @@ $$
 LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION add_location(
 LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION add_location(

-    place_id INTEGER,
-    place_country_code varchar(2),
-    name hstore,
+    place_id BIGINT,
+    country_code varchar(2),
+    partition INTEGER,
+    keywords INTEGER[],

     rank_search INTEGER,
     rank_address INTEGER,
     rank_search INTEGER,
     rank_address INTEGER,

+    in_postcode TEXT,

     geometry GEOMETRY
   ) 
   RETURNS BOOLEAN
   AS $$
 DECLARE
     geometry GEOMETRY
   ) 
   RETURNS BOOLEAN
   AS $$
 DECLARE

-  keywords INTEGER[];
-  country_code VARCHAR(2);
-  partition VARCHAR(10);

   locationid INTEGER;
   locationid INTEGER;

-  isarea BOOLEAN;
-  xmin INTEGER;
-  ymin INTEGER;
-  xmax INTEGER;
-  ymax INTEGER;
-  lon INTEGER;
-  lat INTEGER;

   centroid GEOMETRY;
   centroid GEOMETRY;

-  secgeo GEOMETRY;

   diameter FLOAT;
   x BOOLEAN;
   diameter FLOAT;
   x BOOLEAN;

+  splitGeom RECORD;
+  secgeo GEOMETRY;
+  postcode TEXT;

 BEGIN
 
 BEGIN
 

-  -- Allocate all tokens ids - prevents multi-processor race condition later on at cost of slowing down import
-  keywords := make_keywords(name);
+  IF rank_search > 25 THEN
+    RAISE EXCEPTION 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
+  END IF;

 
 

-  -- 26 = street/highway
-  IF rank_search <= 26 THEN
-    IF place_country_code IS NULL THEN
-      country_code := get_country_code(geometry);
-    END IF;
-    country_code := lower(place_country_code);
-    partition := country_code;
-    IF partition is null THEN
-      partition := 'none';
+  x := deleteLocationArea(partition, place_id, rank_search);
+
+  -- 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;
+
+  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, postcode, centroid, secgeo);
+    END LOOP;
+
+  ELSE
+
+    diameter := 0.02;
+    IF rank_address = 0 THEN
+      diameter := 0.02;
+    ELSEIF rank_search <= 14 THEN
+      diameter := 1.2;
+    ELSEIF rank_search <= 15 THEN
+      diameter := 1;
+    ELSEIF rank_search <= 16 THEN
+      diameter := 0.5;
+    ELSEIF rank_search <= 17 THEN
+      diameter := 0.2;
+    ELSEIF rank_search <= 21 THEN
+      diameter := 0.05;
+    ELSEIF rank_search = 25 THEN
+      diameter := 0.005;

     END IF;
 
     END IF;
 

-    isarea := false;
-    IF (ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(geometry)) THEN
+--    RAISE WARNING 'adding % diameter %', place_id, diameter;

 
 

-      isArea := true;
-      centroid := ST_Centroid(geometry);
+    secgeo := ST_Buffer(geometry, diameter);
+    x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, postcode, ST_Centroid(geometry), secgeo);

 
 

-      xmin := floor(st_xmin(geometry));
-      xmax := ceil(st_xmax(geometry));
-      ymin := floor(st_ymin(geometry));
-      ymax := ceil(st_ymax(geometry));
+  END IF;

 
 

-      IF xmin = xmax OR ymin = ymax OR (xmax-xmin < 2 AND ymax-ymin < 2) THEN
-        x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, centroid, geometry);
-      ELSE
-        FOR lon IN xmin..(xmax-1) LOOP
-          FOR lat IN ymin..(ymax-1) LOOP
-            secgeo := st_intersection(geometry, ST_SetSRID(ST_MakeBox2D(ST_Point(lon,lat),ST_Point(lon+1,lat+1)),4326));
-            IF NOT ST_IsEmpty(secgeo) AND ST_GeometryType(secgeo) in ('ST_Polygon','ST_MultiPolygon') THEN
-              x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, centroid, secgeo);
-            END IF;
-          END LOOP;
-        END LOOP;
-      END IF;
+  RETURN true;
+END;
+$$
+LANGUAGE plpgsql;

 
 

-    ELSEIF rank_search < 26 THEN

 
 

-      diameter := 0.02;
-      IF rank_search = 14 THEN
-        diameter := 1;
-      ELSEIF rank_search = 15 THEN
-        diameter := 0.5;
-      ELSEIF rank_search = 16 THEN
-        diameter := 0.15;
-      ELSEIF rank_search = 17 THEN
-        diameter := 0.05;
-      ELSEIF rank_search = 25 THEN
-        diameter := 0.005;
-      END IF;
+-- 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
+  addr_street TEXT;
+  addr_place TEXT;
+  parent_place_id BIGINT;
+  address_street_word_ids INTEGER[];

 
 

-      secgeo := ST_Buffer(geometry, diameter);
-      x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, ST_Centroid(geometry), secgeo);
+  waynodes BIGINT[];

 
 

-    ELSE
+  location RECORD;
+BEGIN
+  addr_street = street;
+  addr_place = place;

 
 

-      -- ~ 20meters
-      secgeo := ST_Buffer(geometry, 0.0002);
-      x := insertLocationAreaRoadNear(partition, place_id, country_code, keywords, rank_search, rank_address, false, ST_Centroid(geometry), secgeo);
+  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;

 
 

-      -- ~ 100meters
-      secgeo := ST_Buffer(geometry, 0.001);
-      x := insertLocationAreaRoadFar(partition, place_id, country_code, keywords, rank_search, rank_address, false, ST_Centroid(geometry), secgeo);
+  IF addr_street IS NOT NULL THEN
+    address_street_word_ids := get_name_ids(make_standard_name(addr_street));
+    IF address_street_word_ids IS NOT NULL THEN
+      FOR location IN SELECT place_id from getNearestNamedRoadFeature(partition, centroid, address_street_word_ids) LOOP
+        parent_place_id := location.place_id;
+      END LOOP;
+    END IF;
+  END IF;

 
 

+  IF parent_place_id IS NULL AND addr_place IS NOT NULL THEN
+    address_street_word_ids := get_name_ids(make_standard_name(addr_place));
+    IF address_street_word_ids IS NOT NULL THEN
+      FOR location IN SELECT place_id from getNearestNamedPlaceFeature(partition, centroid, address_street_word_ids) LOOP
+        parent_place_id := location.place_id;
+      END LOOP;

     END IF;
     END IF;

+  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;
 
   END IF;
 

-  RETURN false;
+  RETURN parent_place_id;

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

-CREATE OR REPLACE FUNCTION update_location(
-    place_id INTEGER,
-    place_country_code varchar(2),
-    name hstore,
-    rank_search INTEGER,
-    rank_address INTEGER,
-    geometry GEOMETRY
-  ) 
-  RETURNS BOOLEAN
+
+CREATE OR REPLACE FUNCTION osmline_insert() RETURNS TRIGGER

   AS $$
   AS $$

-DECLARE
-  b BOOLEAN;

 BEGIN
 BEGIN

-  b := delete_location(place_id);
-  RETURN add_location(place_id, place_country_code, name, rank_search, rank_address, geometry);
-END;
-$$
-LANGUAGE plpgsql;
+  NEW.place_id := nextval('seq_place');
+  NEW.indexed_date := now();

 
 

-CREATE OR REPLACE FUNCTION search_name_add_words(parent_place_id INTEGER, to_add INTEGER[])
-  RETURNS BOOLEAN
-  AS $$
-DECLARE
-  childplace RECORD;
-BEGIN
+  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;

 
 

-  IF #to_add = 0 THEN
-    RETURN true;
-  END IF;
+      NEW.indexed_status := 1; --STATUS_NEW
+      NEW.country_code := lower(get_country_code(NEW.linegeo));

 
 

-  -- this should just be an update, but it seems to do insane things to the index size (delete and insert doesn't)
-  FOR childplace IN select * from search_name,place_addressline 
-    where  address_place_id = parent_place_id
-      and search_name.place_id = place_addressline.place_id
-  LOOP
-    delete from search_name where place_id = childplace.place_id;
-    childplace.nameaddress_vector := uniq(sort_asc(childplace.nameaddress_vector + to_add));
-    IF childplace.place_id = parent_place_id THEN
-      childplace.name_vector := uniq(sort_asc(childplace.name_vector + to_add));
-    END IF;
-    insert into search_name (place_id, search_rank, address_rank, country_code, name_vector, nameaddress_vector, centroid) 
-      values (childplace.place_id, childplace.search_rank, childplace.address_rank, childplace.country_code, 
-        childplace.name_vector, childplace.nameaddress_vector, childplace.centroid);
-  END LOOP;
+      NEW.partition := get_partition(NEW.country_code);
+      NEW.geometry_sector := geometry_sector(NEW.partition, NEW.linegeo);
+  END IF;

 
 

-  RETURN true;
+  RETURN NEW;

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

-CREATE OR REPLACE FUNCTION update_location_nameonly(OLD_place_id INTEGER, name hstore) RETURNS BOOLEAN
+
+CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER

   AS $$
 DECLARE
   AS $$
 DECLARE

-  newkeywords INTEGER[];
-  addedkeywords INTEGER[];
-  removedkeywords INTEGER[];
+  i INTEGER;
+  postcode TEXT;
+  result BOOLEAN;
+  is_area BOOLEAN;
+  country_code VARCHAR(2);
+  default_language VARCHAR(10);
+  diameter FLOAT;
+  classtable TEXT;
+  classtype TEXT;

 BEGIN
 BEGIN

+  --DEBUG: RAISE WARNING '% % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;

 
 

-  -- 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;
+  NEW.place_id := nextval('seq_place');
+  NEW.indexed_status := 1; --STATUS_NEW

 
 

---  RAISE WARNING 'update_location_nameonly for %: new:% added:% removed:%', OLD_place_id, newkeywords, addedkeywords, removedkeywords;
+  NEW.country_code := lower(get_country_code(NEW.geometry));

 
 

-  IF #removedkeywords > 0 THEN
-    -- abort due to tokens removed
-    RETURN false;
-  END IF;
-  
-  IF #addedkeywords > 0 THEN
-    -- short circuit - no changes
-    RETURN true;
+  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.country_code);
+    IF default_language IS NOT NULL THEN
+      IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
+        NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
+      ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
+        NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
+      END IF;
+    END IF;

   END IF;
 
   END IF;
 

-  UPDATE location_area set keywords = newkeywords where place_id = OLD_place_id;
-  RETURN search_name_add_words(OLD_place_id, addedkeywords);
-END;
-$$
-LANGUAGE plpgsql;
+  IF NEW.osm_type = 'X' THEN
+    -- E'X'ternal records should already be in the right format so do nothing
+  ELSE
+    is_area := ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon');

 
 

+    IF NEW.class in ('place','boundary')
+       AND NEW.type in ('postcode','postal_code') THEN

 
 

-CREATE OR REPLACE FUNCTION create_interpolation(wayid INTEGER, interpolationtype TEXT) RETURNS INTEGER
-  AS $$
-DECLARE
-  
-  newpoints INTEGER;
-  waynodes integer[];
-  nodeid INTEGER;
-  prevnode RECORD;
-  nextnode RECORD;
-  startnumber INTEGER;
-  endnumber INTEGER;
-  stepsize INTEGER;
-  orginalstartnumber INTEGER;
-  originalnumberrange INTEGER;
-  housenum INTEGER;
-  linegeo GEOMETRY;
-  search_place_id INTEGER;
+      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;

 
 

-  havefirstpoint BOOLEAN;
-  linestr TEXT;
-BEGIN
-  newpoints := 0;
-  IF interpolationtype = 'odd' OR interpolationtype = 'even' OR interpolationtype = 'all' THEN
+      NEW.name := hstore('ref', NEW.address->'postcode');

 
 

-    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
+      SELECT * FROM get_postcode_rank(NEW.country_code, NEW.address->'postcode')
+        INTO NEW.rank_search, NEW.rank_address;

 
 

-      havefirstpoint := false;
+      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;

 
 

-      FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
+      IF NEW.rank_search is NULL THEN
+        NEW.rank_search := 30;
+      END IF;

 
 

-        select min(place_id) from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::INTEGER and type = 'house' INTO search_place_id;
-        IF search_place_id IS NULL THEN
-          -- null record of right type
-          select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::INTEGER and type = 'house' limit 1 INTO nextnode;
-          select ST_SetSRID(ST_Point(lon::float/10000000,lat::float/10000000),4326) from planet_osm_nodes where id = waynodes[nodeidpos] INTO nextnode.geometry;
-        ELSE
-          select * from placex where place_id = search_place_id INTO nextnode;
-        END IF;
+      IF NEW.rank_address is NULL THEN
+        NEW.rank_address := 30;
+      END IF;
+    END IF;

 
 

---RAISE WARNING 'interpolation node % % % ',nextnode.housenumber,ST_X(nextnode.geometry),ST_Y(nextnode.geometry);
-      
-        IF havefirstpoint THEN
+    -- some postcorrections
+    IF NEW.class = 'place' THEN
+      IF NEW.type in ('continent', 'sea', 'country', 'state') AND NEW.osm_type = 'N' THEN
+        NEW.rank_address := 0;
+      END IF;
+    ELSEIF 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;

 
 

-          -- 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 (NEW.extratags -> 'capital') = 'yes' THEN
+      NEW.rank_search := NEW.rank_search - 1;
+    END IF;

 
 

-          IF startnumber IS NOT NULL and startnumber > 0 AND endnumber IS NOT NULL and endnumber > 0 THEN
+  END IF;

 
 

---RAISE WARNING 'interpolation end % % ',nextnode.place_id,endnumber;
+  -- a country code make no sense below rank 4 (country)
+  IF NEW.rank_search < 4 THEN
+    NEW.country_code := NULL;
+  END IF;

 
 

-            IF startnumber != endnumber THEN
+-- Block import below rank 22
+--  IF NEW.rank_search > 22 THEN
+--    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, isin, 
-                  country_code, street_place_id, rank_address, rank_search, indexed_status, geometry)
-                  values ('N',prevnode.osm_id, prevnode.class, prevnode.type, prevnode.admin_level, housenum, prevnode.street, prevnode.isin, 
-                  prevnode.country_code, prevnode.street_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;
+  --DEBUG: RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;

 
 

-        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;
+  RETURN NEW; -- %DIFFUPDATES% The following is not needed until doing diff updates, and slows the main index process down
+
+  IF NEW.rank_address > 0 THEN
+    IF (ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(NEW.geometry)) THEN
+      -- Performance: We just can't handle re-indexing for country level changes
+      IF st_area(NEW.geometry) < 1 THEN
+        -- mark items within the geometry for re-indexing
+  --    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
+
+        -- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
+        update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
+         AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and 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;
+      -- 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 LOOP;
+      END IF;

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

---RAISE WARNING 'interpolation points % ',newpoints;

 
 

-  RETURN newpoints;
+   -- add to tables for special search
+   -- Note: won't work on initial import because the classtype tables
+   -- do not yet exist. It won't hurt either.
+  classtable := 'place_classtype_' || NEW.class || '_' || NEW.type;
+  SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable and schemaname = current_schema() INTO result;
+  IF result THEN
+    EXECUTE 'INSERT INTO ' || classtable::regclass || ' (place_id, centroid) VALUES ($1,$2)' 
+    USING NEW.place_id, ST_Centroid(NEW.geometry);
+  END IF;
+
+  RETURN NEW;
+

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

-CREATE OR REPLACE FUNCTION placex_insert() RETURNS TRIGGER
+CREATE OR REPLACE FUNCTION osmline_update() RETURNS 
+TRIGGER

   AS $$
 DECLARE
   AS $$
 DECLARE

-  i INTEGER;
+  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;
   postcode TEXT;

-  result BOOLEAN;
-  country_code VARCHAR(2);
-  diameter FLOAT;

 BEGIN
 BEGIN

---  RAISE WARNING '%',NEW.osm_id;
-
-  -- just block these
-  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;
-
-  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.
+  -- deferred delete
+  IF OLD.indexed_status = 100 THEN
+    delete from location_property_osmline where place_id = OLD.place_id;

     RETURN NULL;
     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;
 
   END IF;
 

-  NEW.place_id := nextval('seq_place');
-  NEW.indexed_status := 1;
-  NEW.country_code := lower(NEW.country_code);
-  IF NEW.country_code is null THEN
-    NEW.country_code := get_country_code(NEW.geometry);
+  IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN
+    RETURN NEW;

   END IF;
   END IF;

-  NEW.geometry_sector := geometry_sector(NEW.geometry);

 
 

-  IF NEW.admin_level > 15 THEN
-    NEW.admin_level := 15;
-  END IF;
+  NEW.interpolationtype = NEW.address->'interpolation';

 
 

-  IF NEW.housenumber IS NOT NULL THEN
-    i := getorcreate_housenumber_id(make_standard_name(NEW.housenumber));
-  END IF;
+  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.osm_type = 'X' THEN
-    -- E'X'ternal records should already be in the right format so do nothing
+  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
   ELSE

-    NEW.rank_search := 30;
-    NEW.rank_address := NEW.rank_search;
-
-    -- By doing in postgres we have the country available to us - currently only used for postcode
-    IF NEW.class = 'place' THEN
-      IF NEW.type in ('continent') THEN
-        NEW.rank_search := 2;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('sea') THEN
-        NEW.rank_search := 2;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('country') THEN
-        NEW.rank_search := 4;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('state') THEN
-        NEW.rank_search := 8;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('region') THEN
-        NEW.rank_search := 10;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('county') THEN
-        NEW.rank_search := 12;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('city') THEN
-        NEW.rank_search := 16;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('island') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('town') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('village','hamlet','municipality','district','unincorporated_area','borough') THEN
-        NEW.rank_search := 18;
-        NEW.rank_address := 17;
-      ELSEIF NEW.type in ('airport') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
-        NEW.rank_search := 18;
-        NEW.rank_address := 17;
-      ELSEIF NEW.type in ('moor') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := 18;
-      ELSEIF NEW.type in ('moor') THEN
-        NEW.rank_search := 17;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('national_park') THEN
-        NEW.rank_search := 18;
-        NEW.rank_address := 18;
-      ELSEIF NEW.type in ('suburb','croft','subdivision') THEN
-        NEW.rank_search := 20;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('farm','locality','islet') THEN
-        NEW.rank_search := 20;
-        NEW.rank_address := 0;
-      ELSEIF NEW.type in ('hall_of_residence','neighbourhood','housing_estate','nature_reserve') THEN
-        NEW.rank_search := 22;
-        NEW.rank_address := 22;
-      ELSEIF NEW.type in ('postcode') THEN
-
-        -- Postcode processing is very country dependant
-        IF NEW.country_code IS NULL THEN
-        END IF;
-
-        NEW.name := 'ref'=>NEW.postcode;
+    interpol_postcode := NULL;
+  END IF;

 
 

-        IF NEW.country_code = 'gb' THEN
+  -- 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.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;
+      IF array_upper(waynodes, 1) IS NULL THEN
+        RETURN NEW;
+      END IF;

 
 

-        ELSEIF NEW.country_code = 'de' THEN
+      linegeo := NEW.linegeo;
+      startnumber := NULL;

 
 

-          IF NEW.postcode ~ '^([0-9]{5})$' THEN
-            NEW.rank_search := 21;
-            NEW.rank_address := 11;
-          END IF;
+      FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP

 
 

-        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;
+        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
           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;
+            sectiongeo = linegeo;

           END IF;
           END IF;

-        END IF;
+          endnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;

 
 

-      ELSEIF NEW.type in ('airport','street') THEN
-        NEW.rank_search := 26;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('house','building') THEN
-        NEW.rank_search := 30;
-        NEW.rank_address := NEW.rank_search;
-      ELSEIF NEW.type in ('houses') THEN
-        -- can't guarantee all required nodes loaded yet due to caching in osm2pgsql
-        -- insert new point into place for each derived building
-        --i := create_interpolation(NEW.osm_id, NEW.housenumber);
-        NEW.rank_search := 28;
-        NEW.rank_address := 0;
-      END IF;
+          IF startnumber IS NOT NULL AND endnumber IS NOT NULL
+             AND startnumber != endnumber
+             AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN

 
 

-    ELSEIF NEW.class = 'boundary' THEN
-      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;
-    -- 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
-      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 = 'natural' and NEW.type in ('peak','volcano') THEN
-      NEW.rank_search := 18;
-      NEW.rank_address := 0;
-    END IF;
+            IF (startnumber > endnumber) THEN
+              housenum := endnumber;
+              endnumber := startnumber;
+              startnumber := housenum;
+              sectiongeo := ST_Reverse(sectiongeo);
+            END IF;

 
 

-  END IF;
+            -- determine postcode
+            postcode := coalesce(interpol_postcode,
+                                 prevnode.address->'postcode',
+                                 nextnode.address->'postcode',
+                                 postcode);

 
 

-  IF NEW.rank_search > 30 THEN
-    NEW.rank_search := 30;
-  END IF;
+            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.rank_address > 30 THEN
-    NEW.rank_address := 30;
-  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;

 
 

--- Block import below rank 22
---  IF NEW.rank_search > 22 THEN
---    RETURN NULL;
---  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;

 
 

-  IF NEW.name is not null THEN
-    result := add_location(NEW.place_id,NEW.country_code,NEW.name,NEW.rank_search,NEW.rank_address,NEW.geometry);
+          startnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
+          prevnode := nextnode;
+        END IF;
+      END LOOP;

   END IF;
 
   END IF;
 

+  -- marking descendants for reparenting is not needed, because there are
+  -- actually no descendants for interpolation lines

   RETURN NEW;
   RETURN NEW;

-  -- 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
-      update placex set indexed_status = 2 where (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
-       AND rank_search > NEW.rank_search and indexed = 0 and ST_geometrytype(placex.geometry) = 'ST_Point';
-      update placex set indexed_status = 2 where (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
-       AND rank_search > NEW.rank_search and indexed = 0 and ST_geometrytype(placex.geometry) != 'ST_Point';
-    END IF;
-  ELSE
-    -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
-    diameter := 0;
-    -- 16 = city, anything higher than city is effectively ignored (polygon required!)
-    IF NEW.type='postcode' THEN
-      diameter := 0.001;
-    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;
-      update placex set indexed = 2 where indexed and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
+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;
 
     END IF;
 

-  END IF;
+    NEW.indexed_date = now();

 
 

---  IF NEW.rank_search < 26 THEN
---    RAISE WARNING 'placex insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
---  END IF;
+    partition := get_partition(NEW.country_code);

 
 

-  RETURN NEW;
+    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;
 
 END;
 $$
 LANGUAGE plpgsql;
 

-CREATE OR REPLACE FUNCTION placex_update() RETURNS 
+CREATE OR REPLACE FUNCTION placex_update() RETURNS

 TRIGGER
   AS $$
 DECLARE
 TRIGGER
   AS $$
 DECLARE


@@ -1130,324 +1166,719 @@ DECLARE
   search_maxdistance FLOAT[];
   search_mindistance FLOAT[];
   address_havelevel BOOLEAN[];
   search_maxdistance FLOAT[];
   search_mindistance FLOAT[];
   address_havelevel BOOLEAN[];

---  search_scores wordscore[];
---  search_scores_pos INTEGER;

 
   i INTEGER;
   iMax FLOAT;
   location RECORD;
 
   i INTEGER;
   iMax FLOAT;
   location RECORD;

+  way RECORD;

   relation RECORD;
   relation RECORD;

+  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;
   search_diameter FLOAT;
   search_prevdiameter FLOAT;
   search_maxrank INTEGER;
   address_maxrank INTEGER;
   address_street_word_id INTEGER;

-  street_place_id_count INTEGER;
+  address_street_word_ids INTEGER[];
+  parent_place_id_rank BIGINT;
+
+  addr_street TEXT;
+  addr_place TEXT;
+

   isin TEXT[];
   isin_tokens INT[];
 
   location_rank_search INTEGER;
   location_distance FLOAT;
   isin TEXT[];
   isin_tokens INT[];
 
   location_rank_search INTEGER;
   location_distance FLOAT;

+  location_parent GEOMETRY;
+  location_isaddress BOOLEAN;
+  location_keywords INTEGER[];

 
 

-  tagpairid INTEGER;
-
+  default_language TEXT;

   name_vector INTEGER[];
   nameaddress_vector INTEGER[];
 
   name_vector INTEGER[];
   nameaddress_vector INTEGER[];
 

+  linked_node_id BIGINT;
+  linked_importance FLOAT;
+  linked_wikipedia TEXT;
+

   result BOOLEAN;
 BEGIN
   result BOOLEAN;
 BEGIN

+  -- deferred delete
+  IF OLD.indexed_status = 100 THEN
+    --DEBUG: RAISE WARNING 'placex_update delete % %',NEW.osm_type,NEW.osm_id;
+    delete from placex where place_id = OLD.place_id;
+    RETURN NULL;
+  END IF;

 
 

---RAISE WARNING '%',NEW.place_id;
---RAISE WARNING '%', NEW;
-
-  IF NEW.class = 'place' AND NEW.type = 'postcodearea' THEN
-    -- Silently do nothing
+  IF NEW.indexed_status != 0 OR OLD.indexed_status = 0 THEN

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

-  IF NEW.country_code is null THEN
-    NEW.country_code := get_country_code(NEW.geometry);
+  --DEBUG: RAISE WARNING 'placex_update % % (%)',NEW.osm_type,NEW.osm_id,NEW.place_id;
+
+  NEW.indexed_date = now();
+
+  IF NOT %REVERSE-ONLY% THEN
+    DELETE from search_name WHERE place_id = NEW.place_id;

   END IF;
   END IF;

-  NEW.country_code := lower(NEW.country_code);
-  NEW.partition := NEW.country_code;
-  IF NEW.partition is null THEN
-    NEW.partition := 'none';
+  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
+
+  IF NEW.linked_place_id is not null THEN
+    --DEBUG: RAISE WARNING 'place already linked to %', NEW.linked_place_id;
+    RETURN NEW;

   END IF;
 
   END IF;
 

-  IF NEW.indexed_status = 0 and OLD.indexed_status != 0 THEN
+  --DEBUG: RAISE WARNING 'Copy over address tags';
+  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;

 
 

-    NEW.indexed_date = now();
+      addr_street := NEW.address->'street';
+      addr_place := NEW.address->'place';

 
 

-    IF NEW.class = 'place' AND NEW.type = 'houses' THEN
-      i := create_interpolation(NEW.osm_id, NEW.housenumber);
-      RETURN NEW;
+      IF NEW.address ? 'postcode' and NEW.address->'postcode' not similar to '%(,|;)%' THEN
+        i := getorcreate_postcode_id(NEW.address->'postcode');
+      END IF;
+  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;
+  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;
     END IF;

+  ELSE
+    IF NEW.rank_search >= 4 THEN
+      NEW.country_code := lower(get_country_code(place_centroid));
+    ELSE
+      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[];

 
 

-    DELETE FROM search_name WHERE place_id = NEW.place_id;
-    DELETE FROM place_addressline WHERE place_id = NEW.place_id;
-    DELETE FROM place_boundingbox where place_id = NEW.place_id;
+  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;

 
 

-    -- 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); 
+--DEBUG: RAISE WARNING 'Importance computed from wikipedia: %', NEW.importance;
+
+  -- ---------------------------------------------------------------------------
+  -- 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;
+
+    -- We won't get a better centroid, besides these places are too small to care
+    NEW.centroid := place_centroid;
+
+    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;

 
 

-    -- What level are we searching from
-    search_maxrank := NEW.rank_search;
+    -- We have to find our parent road.
+    -- Copy data from linked items (points on ways, addr:street links, relations)

 
 

-    -- Speed up searches - just use the centroid of the feature
-    -- cheaper but less acurate
-    place_centroid := ST_Centroid(NEW.geometry);
+    -- 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 and name is not null INTO NEW.parent_place_id;
+          END IF;
+        END LOOP;
+      END IF;
+    END LOOP;
+    --DEBUG: RAISE WARNING 'Checked for street relation (%)', NEW.parent_place_id;

 
 

-    -- Initialise the name vector using our name
-    name_vector := make_keywords(NEW.name);
-    nameaddress_vector := '{}'::int[];
+    -- 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, place_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;

 
 

-    -- 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;
+    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, place_centroid, address_street_word_ids) INTO NEW.parent_place_id;
+      END IF;

     END IF;
     END IF;

+    --DEBUG: RAISE WARNING 'Checked for addr:place (%)', NEW.parent_place_id;

 
 

---RAISE WARNING '% %', NEW.place_id, NEW.rank_search;
+    -- 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;

 
 

-    -- 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
+    -- Is this node part of a way?
+    IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN

 
 

---RAISE WARNING 'finding street for %', NEW;
+      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;

 
 

-      NEW.street_place_id := null;
+        -- 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, place_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;

 
 

-      -- 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.street_place_id IS NULL AND NEW.osm_type = 'N' THEN
+          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, place_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;

 
 

-        -- Is this node part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id::integer] and members @> ARRAY['n'||NEW.osm_id]
+        -- Is 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
         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.street_place_id IS NULL AND relation.members[i+1] = 'street' THEN
---RAISE WARNING 'node in relation %',relation;
-                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::integer 
-                  and rank_search = 26 INTO NEW.street_place_id;
+              IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
+--RAISE WARNING 'node in way that is in a relation %',relation;
+                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint 
+                  and rank_search = 26 and name is not null INTO NEW.parent_place_id;

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

-        END LOOP;      
+        END LOOP;
+        EXIT WHEN NEW.parent_place_id is not null;
+        --DEBUG: RAISE WARNING 'Checked for street relation in way (%)', NEW.parent_place_id;

 
 

---RAISE WARNING 'x1';
-        -- Is this node part of a way?
-        FOR location IN select * from placex where osm_type = 'W' 
-          and osm_id in (select id from planet_osm_ways where nodes && ARRAY[NEW.osm_id::integer])
-        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.street_place_id IS NULL THEN
---RAISE WARNING 'node in way that is a street %',location;
-            NEW.street_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, place_centroid) INTO NEW.parent_place_id;
+    END IF;
+    --DEBUG: RAISE WARNING 'Checked for nearest way (%)', NEW.parent_place_id;
+
+
+    -- If we didn't find any road fallback to standard method
+    IF NEW.parent_place_id IS NOT NULL THEN
+
+      -- 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;
+
+      NEW.country_code := location.country_code;
+      --DEBUG: RAISE WARNING 'Got parent details from search name';
+
+      -- 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;
           END IF;

+          IF NEW.postcode is null THEN
+            NEW.postcode := get_nearest_postcode(NEW.country_code, place_centroid);
+          END IF;
+      END IF;

 
 

-          -- Is the WAY part of a relation
-          FOR relation IN select * from planet_osm_rels where parts @> ARRAY[location.osm_id::integer] and members @> ARRAY['w'||location.osm_id]
-          LOOP
-            -- At the moment we only process one type of relation - associatedStreet
-            IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
-              FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
-                IF NEW.street_place_id IS NULL AND relation.members[i+1] = 'street' THEN
---RAISE WARNING 'node in way that is in a relation %',relation;
-                  SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::integer 
-                    and rank_search = 26 INTO NEW.street_place_id;
-                END IF;
-              END LOOP;
-            END IF;
-          END LOOP;
-          
-          -- If the way contains an explicit name of a street copy it
-          IF NEW.street IS NULL AND location.street IS NOT NULL THEN
---RAISE WARNING 'node in way that has a streetname %',location;
-            NEW.street := location.street;
+      -- 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;
+
+      -- 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;
+
+      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;
+
+      return NEW;
+    END IF;
+
+  END IF;
+
+  -- ---------------------------------------------------------------------------
+  -- Full indexing
+  --DEBUG: RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;
+
+  IF NEW.osm_type = 'R' AND NEW.rank_search < 26 THEN
+
+    -- see if we have any special relation members
+    select members from planet_osm_rels where id = NEW.osm_id INTO relation_members;
+    --DEBUG: RAISE WARNING 'Got relation members';
+
+    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;
+
+        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
+
+          -- 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;
 
           END IF;
 

-          -- If this way is a street interpolation line then it is probably as good as we are going to get
-          IF NEW.street_place_id IS NULL AND NEW.street IS NULL AND location.class = 'place' and location.type='houses' THEN
-            -- Try and find a way that is close roughly parellel to this line
-            FOR relation IN SELECT place_id FROM placex
-              WHERE ST_DWithin(location.geometry, placex.geometry, 0.001) and placex.rank_search = 26
-                and st_geometrytype(location.geometry) in ('ST_LineString')
-              ORDER BY (ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,0))+
-                        ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,0.5))+
-                        ST_distance(placex.geometry, ST_Line_Interpolate_Point(location.geometry,1))) ASC limit 1
-            LOOP
---RAISE WARNING 'using nearest street to address interpolation line,0.001 %',relation;
-              NEW.street_place_id := relation.place_id;
-            END LOOP;
+          -- 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;
 
           END IF;
 

+          -- merge in extra tags
+          NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
+
+          -- mark the linked place (excludes from search results)
+          UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
+
+          -- keep a note of the node id in case we need it for wikipedia in a bit
+          linked_node_id := linkedPlacex.osm_id;
+          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;
         END LOOP;

-                
-      END IF;

 
 

---RAISE WARNING 'x2';
+      END LOOP;

 
 

-      IF NEW.street_place_id IS NULL AND NEW.osm_type = 'W' THEN
-        -- Is this way part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id::integer] and members @> ARRAY['w'||NEW.osm_id]
-        LOOP
-          -- At the moment we only process one type of relation - associatedStreet
-          IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
-            FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
-              IF NEW.street_place_id IS NULL AND relation.members[i+1] = 'street' THEN
---RAISE WARNING 'way that is in a relation %',relation;
-                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::integer
-                  and rank_search = 26 INTO NEW.street_place_id;
+      IF NEW.centroid IS NULL 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;
+
+          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
+
+            -- For an admin centre we also want a name match - still not perfect, for example 'new york, new york'
+            -- But that can be fixed by explicitly setting the label in the data
+            IF make_standard_name(NEW.name->'name') = make_standard_name(linkedPlacex.name->'name') 
+              AND NEW.rank_address = linkedPlacex.rank_address THEN
+
+              -- If we don't already have one use this as the centre point of the geometry
+              IF NEW.centroid IS NULL THEN
+                NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));

               END IF;
               END IF;

-            END LOOP;
-          END IF;
-        END LOOP;
-      END IF;
-      
---RAISE WARNING 'x3';
-
-      IF NEW.street_place_id IS NULL AND NEW.street IS NOT NULL THEN
-       address_street_word_id := get_name_id(make_standard_name(NEW.street));
---RAISE WARNING 'street: % %', NEW.street, address_street_word_id;
-        IF address_street_word_id IS NOT NULL THEN
-          FOR location IN SELECT place_id,ST_distance(NEW.geometry, search_name.centroid) as distance 
-            FROM search_name WHERE search_name.name_vector @> ARRAY[address_street_word_id]
-            AND ST_DWithin(NEW.geometry, search_name.centroid, 0.01) and search_rank between 22 and 27
-            ORDER BY ST_distance(NEW.geometry, search_name.centroid) ASC limit 1
-          LOOP
---RAISE WARNING 'streetname found nearby %',location;
-            NEW.street_place_id := location.place_id;
-          END LOOP;
-        END IF;
-        -- Failed, fall back to nearest - don't just stop
-        IF NEW.street_place_id IS NULL THEN
---RAISE WARNING 'unable to find streetname nearby % %',NEW.street,address_street_word_id;
---          RETURN null;
-        END IF;
-      END IF;

 
 

---RAISE WARNING 'x4';
+              -- 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;

 
 

-      IF NEW.street_place_id IS NULL THEN
-        FOR location IN SELECT place_id FROM getNearRoads(NEW.partition, place_centroid) LOOP
-          NEW.street_place_id := location.place_id;
-        END LOOP;
-      END IF;
+              -- merge in extra tags
+              NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);

 
 

---RAISE WARNING 'x6 %',NEW.street_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;

 
 

-      -- If we didn't find any road fallback to standard method
-      IF NEW.street_place_id IS NOT NULL THEN
+              -- 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;

 
 

-        -- Some unnamed roads won't have been indexed, index now if needed
--- ALL are now indexed!
---        select count(*) from place_addressline where place_id = NEW.street_place_id INTO street_place_id_count;
---        IF street_place_id_count = 0 THEN
---          UPDATE placex set indexed = true where indexed = false and place_id = NEW.street_place_id;
---        END IF;
+          END LOOP;

 
 

-        -- Add the street to the address as zero distance to force to front of list
-        INSERT INTO place_addressline VALUES (NEW.place_id, NEW.street_place_id, true, true, 0, 26);
-        address_havelevel[26] := true;
+        END LOOP;

 
 

-        -- 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.street_place_id and x.address_place_id != NEW.street_place_id;
+      END IF;
+    END IF;

 
 

-        -- Get the details of the parent road
-        select * from search_name where place_id = NEW.street_place_id INTO location;
-        NEW.country_code := location.country_code;
+  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;
+  -- Name searches can be done for ways as well as relations
+  IF NEW.osm_type in ('W','R') AND NEW.rank_search < 26 AND NEW.rank_address > 0 THEN
+
+    -- not found one yet? how about doing a name search
+    IF NEW.centroid IS NULL AND (NEW.name->'name') is not null and make_standard_name(NEW.name->'name') != '' THEN
+
+      --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;
 
         END IF;
 

-        -- Merge address from parent
-        nameaddress_vector := array_merge(nameaddress_vector, location.nameaddress_vector);
+        -- merge in the name, re-init word vector
+        NEW.name := linkedPlacex.name || NEW.name;
+        name_vector := make_keywords(NEW.name);

 
 

-        -- 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
-        INSERT INTO search_name values (NEW.place_id, NEW.rank_search, NEW.rank_address, NEW.country_code,
-          name_vector, nameaddress_vector, place_centroid);
+        -- merge in extra tags
+        NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);

 
 

-        return NEW;
+        -- 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 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.country_code);
+        IF default_language IS NOT NULL THEN
+          IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
+            NEW.name := NEW.name || hstore(('name:'||default_language), (NEW.name -> 'name'));
+          ELSEIF NEW.name ? ('name:'||default_language) AND NOT NEW.name ? 'name' THEN
+            NEW.name := NEW.name || hstore('name', (NEW.name -> ('name:'||default_language)));
+          END IF;
+        END IF;

       END IF;
       END IF;

+      --DEBUG: RAISE WARNING 'Names updated from linked places';
+    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;
 
     END IF;
 

---RAISE WARNING '  INDEXING: %',NEW;
+    -- 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;
+
+  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;

 
 

-    -- 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]));
+
+  -- 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
           IF address_street_word_id IS NOT NULL THEN

-            isin_tokens := isin_tokens + address_street_word_id;
+            nameaddress_vector := array_merge(nameaddress_vector, ARRAY[address_street_word_id]);

           END IF;
           END IF;

-        END LOOP;
+        END IF;

       END IF;
       END IF;

-      isin_tokens := uniq(sort(isin_tokens));
-    END IF;
-
-    -- Process area matches
-    location_rank_search := 100;
-    location_distance := 0;
-    FOR location IN SELECT * from getNearFeatures(NEW.partition, place_centroid, search_maxrank, isin_tokens) LOOP
+      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;

 
 

---RAISE WARNING '  AREA: % % %',location.keywords,NEW.country_code,location.country_code;
+            -- 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;

 
 

-      IF location.rank_search < location_rank_search THEN
-        location_rank_search := location.rank_search;
+-- 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;
+  --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;
         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;
       END IF;

+    ELSE
+      CONTINUE WHEN location.keywords <@ location_keywords;
+    END IF;

 
 

-      IF location.distance < location_distance THEN
+    IF location.distance < location_distance OR NOT location.isguess THEN
+      location_keywords := location.keywords;
+
+      location_isaddress := NOT address_havelevel[location.rank_address];
+      IF location_isaddress AND location.isguess AND location_parent IS NOT NULL THEN
+          location_isaddress := ST_Contains(location_parent,location.centroid);
+      END IF;
+
+      -- RAISE WARNING '% isaddress: %', location.place_id, location_isaddress;
+      -- Add it to the list of search terms
+      IF NOT %REVERSE-ONLY% AND location.rank_search > 4 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;

 
 

-        -- Add it to the list of search terms
-        nameaddress_vector := array_merge(nameaddress_vector, location.keywords::integer[]);
-        INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, true, NOT address_havelevel[location.rank_address], location.distance, location.rank_address); 

         address_havelevel[location.rank_address] := true;
         address_havelevel[location.rank_address] := true;

+        IF NOT location.isguess THEN
+          SELECT geometry FROM placex WHERE place_id = location.place_id INTO location_parent;
+        END IF;
+
+        IF location.rank_address > parent_place_id_rank THEN
+          NEW.parent_place_id = location.place_id;
+          parent_place_id_rank = location.rank_address;
+        END IF;
+
+      END IF;
+
+    --DEBUG: RAISE WARNING '  Terms: (%) %',location, nameaddress_vector;
+
+    END IF;
+
+  END LOOP;
+  --DEBUG: RAISE WARNING 'address computed';
+
+  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

 
 

-    -- 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
-
-        FOR location IN SELECT place_id,search_name.name_vector,address_rank,
-          ST_Distance(place_centroid, search_name.centroid) as distance
-          FROM search_name
-          WHERE search_name.name_vector @> ARRAY[isin_tokens[i]]
-          AND search_rank < NEW.rank_search
-          AND (country_code = NEW.country_code OR address_rank < 4)
-          ORDER BY ST_distance(NEW.geometry, centroid) ASC limit 1
-        LOOP
-          nameaddress_vector := array_merge(nameaddress_vector, location.name_vector);
-          INSERT INTO place_addressline VALUES (NEW.place_id, location.place_id, false, NOT address_havelevel[location.address_rank], location.distance, location.address_rank);
-        END LOOP;
+    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;

 
 

-      END LOOP;
+    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;
 
     END IF;
 

-    -- if we have a name add this to the name search table
-    IF NEW.name IS NOT NULL THEN
-      INSERT INTO search_name values (NEW.place_id, NEW.rank_search, NEW.rank_search, NEW.country_code, 
-        name_vector, nameaddress_vector, place_centroid);
+    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;
 
   END IF;
 
     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;
 $$
   RETURN NEW;
 END;
 $$


@@ -1456,21 +1887,66 @@ LANGUAGE plpgsql;
 CREATE OR REPLACE FUNCTION placex_delete() RETURNS TRIGGER
   AS $$
 DECLARE
 CREATE OR REPLACE FUNCTION placex_delete() RETURNS TRIGGER
   AS $$
 DECLARE

+  b BOOLEAN;
+  classtable TEXT;

 BEGIN
 BEGIN

+  -- RAISE WARNING 'placex_delete % %',OLD.osm_type,OLD.osm_id;
+
+  update placex set linked_place_id = null, indexed_status = 2 where linked_place_id = OLD.place_id and indexed_status = 0;
+  --DEBUG: RAISE WARNING 'placex_delete:01 % %',OLD.osm_type,OLD.osm_id;
+  update placex set linked_place_id = null where linked_place_id = OLD.place_id;
+  --DEBUG: RAISE WARNING 'placex_delete:02 % %',OLD.osm_type,OLD.osm_id;
+
+  IF OLD.rank_address < 30 THEN
+
+    -- mark everything linked to this place for re-indexing
+    --DEBUG: RAISE WARNING 'placex_delete:03 % %',OLD.osm_type,OLD.osm_id;
+    UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = OLD.place_id 
+      and placex.place_id = place_addressline.place_id and indexed_status = 0 and 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;

 
 

---IF OLD.rank_search < 26 THEN
---RAISE WARNING 'delete % % % % %',OLD.place_id,OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
---END IF;
+    --DEBUG: RAISE WARNING 'placex_delete:05 % %',OLD.osm_type,OLD.osm_id;
+    b := deleteRoad(OLD.partition, OLD.place_id);

 
 

-  -- mark everything linked to this place for re-indexing
-  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;
+    --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;
+
+  --DEBUG: RAISE WARNING 'placex_delete:08 % %',OLD.osm_type,OLD.osm_id;
+
+  IF OLD.rank_address < 26 THEN
+    b := deleteLocationArea(OLD.partition, OLD.place_id, OLD.rank_search);
+  END IF;
+
+  --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;
+
+  --DEBUG: RAISE WARNING 'placex_delete:10 % %',OLD.osm_type,OLD.osm_id;

 
 

-  -- do the actual delete
-  DELETE FROM location_area where place_id = OLD.place_id;
-  DELETE FROM search_name where place_id = OLD.place_id;

   DELETE FROM place_addressline where place_id = OLD.place_id;
   DELETE FROM place_addressline where place_id = OLD.place_id;

-  DELETE FROM place_addressline where address_place_id = OLD.place_id;
+
+  --DEBUG: RAISE WARNING 'placex_delete:11 % %',OLD.osm_type,OLD.osm_id;
+
+  -- remove from tables for special search
+  classtable := 'place_classtype_' || OLD.class || '_' || OLD.type;
+  SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable and schemaname = current_schema() INTO b;
+  IF b THEN
+    EXECUTE 'DELETE FROM ' || classtable::regclass || ' WHERE place_id = $1' USING OLD.place_id;
+  END IF;
+
+  --DEBUG: RAISE WARNING 'placex_delete:12 % %',OLD.osm_type,OLD.osm_id;

 
   RETURN OLD;
 
 
   RETURN OLD;
 


@@ -1481,11 +1957,28 @@ LANGUAGE plpgsql;
 CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
   AS $$
 DECLARE
 CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
   AS $$
 DECLARE

-  placeid INTEGER;
+  has_rank BOOLEAN;

 BEGIN
 
 BEGIN
 

---  RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
-  delete from placex where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type;
+  --DEBUG: RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
+
+  -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
+  IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN
+    SELECT bool_or(not (rank_address = 0 or rank_address > 26)) as ranked FROM placex WHERE osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type INTO has_rank;
+    IF has_rank THEN
+      insert into import_polygon_delete (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;
   RETURN OLD;
 
 END;


@@ -1498,329 +1991,293 @@ DECLARE
   i INTEGER;
   existing RECORD;
   existingplacex RECORD;
   i INTEGER;
   existing RECORD;
   existingplacex RECORD;

+  existingline RECORD;

   existinggeometry GEOMETRY;
   existinggeometry GEOMETRY;

-  existingplace_id INTEGER;
+  existingplace_id BIGINT;

   result BOOLEAN;
   result BOOLEAN;

+  partition INTEGER;

 BEGIN
 
 BEGIN
 

-  IF FALSE AND NEW.osm_type = 'R' THEN
-    RAISE WARNING '-----------------------------------------------------------------------------------';
-    RAISE WARNING 'place_insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,st_area(NEW.geometry);
-    select * from placex where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type INTO existingplacex;
-    RAISE WARNING '%', existingplacex;
-  END IF;
-
-  -- Just block these - lots and pointless
-  IF NEW.class = 'highway' and NEW.type in ('turning_circle','traffic_signals','mini_roundabout','noexit','crossing') THEN
-    RETURN null;
-  END IF;
-  IF NEW.class in ('landuse','natural') and NEW.name is null THEN
-    RETURN null;
-  END IF;
-
+  --DEBUG: RAISE WARNING '-----------------------------------------------------------------------------------';
+  --DEBUG: RAISE WARNING 'place_insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,st_area(NEW.geometry);
+  -- 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  
   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 (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;
 
 --    RAISE WARNING 'Invalid Geometry: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
     RETURN null;
   END IF;
 

-  -- Patch in additional country names
-  -- adminitrative (with typo) is unfortunately hard codes - this probably won't get fixed until v2
-  IF NEW.admin_level = 2 AND NEW.type = 'adminitrative' AND NEW.country_code is not null THEN
-    select country_name.name || NEW.name from country_name where country_name.country_code = lower(NEW.country_code) INTO NEW.name;
-  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;
-
-  -- 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;
+  -- 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;

 
 

-  -- Handle a place changing type by removing the old data
-  -- My generated 'place' types are causing havok because they overlap with real tags
-  -- TODO: move them to their own special purpose tag 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;
-
---  RAISE WARNING 'Existing: %',existing.place_id;
+    -- Get the existing place_id
+    select * from location_property_osmline where osm_id = NEW.osm_id INTO existingline;

 
 

-  -- To paraphrase, if there isn't an existing item, OR if the admin level has changed, OR if it is a major change in geometry
-  IF existing.osm_type IS NULL 
-     OR existingplacex.osm_type IS NULL
-     OR coalesce(existing.admin_level, 100) != coalesce(NEW.admin_level, 100) 
---     OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')
-     OR (existing.geometry != NEW.geometry AND ST_Distance(ST_Centroid(existing.geometry),ST_Centroid(NEW.geometry)) > 0.01 AND NOT
-     (ST_GeometryType(existing.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon')))
-     THEN
+    -- 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;

 
 

---  IF existing.osm_type IS NULL THEN
---    RAISE WARNING 'no existing place';
---  END IF;
---  IF existingplacex.osm_type IS NULL THEN
---    RAISE WARNING 'no existing placex %', existingplacex;
---  END IF;
+    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;

 
 

+    -- 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;

 
 

---    RAISE WARNING 'delete and replace';
+    -- 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);

 
 

-    IF existing.osm_type IS NOT NULL THEN
---      RAISE WARNING 'insert delete % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,ST_Distance(ST_Centroid(existing.geometry),ST_Centroid(NEW.geometry)),existing;
-      IF existing.rank_search < 26 THEN
---        RAISE WARNING 'replace placex % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
-      END IF;
-      DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
-    END IF;   
-
---    RAISE WARNING 'delete and replace2';
-
-    -- No - process it as a new insertion (hopefully of low rank or it will be slow)
-    insert into placex values (NEW.place_id
-        ,NEW.osm_type
-        ,NEW.osm_id
-        ,NEW.class
-        ,NEW.type
-        ,NEW.name
-        ,NEW.admin_level
-        ,NEW.housenumber
-        ,NEW.street
-        ,NEW.isin
-        ,NEW.postcode
-        ,NEW.country_code
-        ,NEW.street_place_id
-        ,NEW.rank_address
-        ,NEW.rank_search
-        ,NEW.indexed
-        ,NEW.geometry
-        );
-
---    RAISE WARNING 'insert done % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;

 
 

-    RETURN NEW;
-  END IF;
+    INSERT INTO location_property_osmline (osm_id, address, linegeo)
+      VALUES (NEW.osm_id, NEW.address, NEW.geometry);

 
 

-  -- Various ways to do the update

 
 

-  -- Debug, what's changed?
-  IF FALSE AND existing.rank_search < 26 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.isin, '') != coalesce(NEW.isin, '') THEN
-      RAISE WARNING 'update details, isin: % % % %',NEW.osm_type,NEW.osm_id,existing.isin,NEW.isin;
+    IF existing.osm_type IS NULL THEN
+      return NEW;

     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;
+
+    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
+
+      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;
     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;
+
+    RETURN NULL;
+
+  ELSE -- insert to placex
+
+    -- 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;
     END IF;

-  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;

 
 

-  -- 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 != NEW.geometry 
-     AND ST_GeometryType(existing.geometry) in ('ST_Polygon','ST_MultiPolygon')
-     AND ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') 
-     THEN 
+    -- 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;

 
 

---    IF existing.rank_search < 26 THEN
---      RAISE WARNING 'existing polygon change % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
---    END IF;
+    -- 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;
+
+    --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;

 
 

-    -- 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;
+    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
+
+      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) < 1 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_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
-          AND NOT (ST_Contains(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
-          AND rank_search > NEW.rank_search;
+      -- 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_Contains(existinggeometry, placex.geometry) OR ST_Intersects(existinggeometry, placex.geometry))
-          AND NOT (ST_Contains(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry))
-          AND rank_search > NEW.rank_search;
+      --DEBUG: RAISE WARNING 'insert done % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,NEW.name;

 
 

+      RETURN NEW;

     END IF;
 
     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 existingplacex.rank_search < 26
-     AND coalesce(existing.housenumber, '') = coalesce(NEW.housenumber, '')
-     AND coalesce(existing.street, '') = coalesce(NEW.street, '')
-     AND coalesce(existing.isin, '') = coalesce(NEW.isin, '')
-     AND coalesce(existing.postcode, '') = coalesce(NEW.postcode, '')
-     AND coalesce(existing.country_code, '') = coalesce(NEW.country_code, '')
-     AND coalesce(existing.name::text, '') != coalesce(NEW.name::text, '') 
-     THEN
+      -- 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 existing.rank_search < 26 THEN
---      RAISE WARNING 'name change only % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
---    END IF;
+      -- Performance limit
+      IF st_area(NEW.geometry) < 0.000000001 AND st_area(existinggeometry) < 1 THEN

 
 

-    IF NOT update_location_nameonly(existingplacex.place_id, NEW.name) 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;

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

-  
-  ELSE

 
 

-    -- Anything else has changed - reindex the lot
-    IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
-        OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
-        OR coalesce(existing.street, '') != coalesce(NEW.street, '')
-        OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
-        OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
-        OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '') THEN
-
---      IF existing.rank_search < 26 THEN
---        RAISE WARNING 'other change % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
---      END IF;
-
-      -- performance, can't take the load of re-indexing a whole country / huge area
-      IF st_area(NEW.geometry) < 0.5 THEN
-        UPDATE placex set indexed_status = 2 from place_addressline where address_place_id = existingplacex.place_id 
-          and placex.place_id = place_addressline.place_id and indexed_status = 0;
-      END IF;

 
 

-    END IF;
+    IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
+       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;

 
 

-  END IF;
+          NEW.name := hstore('ref', NEW.address->'postcode');
+      END IF;

 
 

-  IF coalesce(existing.name::text, '') != coalesce(NEW.name::text, '')
-     OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
-     OR coalesce(existing.street, '') != coalesce(NEW.street, '')
-     OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
-     OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
-     OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')
-     OR existing.geometry != NEW.geometry
-     THEN
+      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 place set 
-      name = NEW.name,
-      housenumber  = NEW.housenumber,
-      street = NEW.street,
-      isin = NEW.isin,
-      postcode = NEW.postcode,
-      country_code = NEW.country_code,
-      street_place_id = null,
-      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,
+        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 NEW.class='place' and NEW.type='house' THEN
+          -- Is this node part of an interpolation line? search for it in location_property_osmline and mark the interpolation line for reparenting
+          update location_property_osmline p set indexed_status = 2 from planet_osm_ways w where p.linegeo && NEW.geometry and p.osm_id = w.id and NEW.osm_id = any(w.nodes);
+      END IF;

 
 

-    update placex set 
-      name = NEW.name,
-      housenumber = NEW.housenumber,
-      street = NEW.street,
-      isin = NEW.isin,
-      postcode = NEW.postcode,
-      country_code = NEW.country_code,
-      street_place_id = null,
-      indexed = false,
-      geometry = NEW.geometry
-      where place_id = existingplacex.place_id;
+      -- 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;

 
 

-    result := update_location(existingplacex.place_id, existingplacex.country_code, NEW.name, existingplacex.rank_search, existingplacex.rank_address, NEW.geometry);
+    END IF;

 
 

+    -- Abort the add (we modified the existing place instead)
+    RETURN NULL;

   END IF;
 
   END IF;
 

-  -- Abort the add (we modified the existing place instead)
-  RETURN NULL;
-
-END; 
+END;

 $$ LANGUAGE plpgsql;
 
 $$ LANGUAGE plpgsql;
 

+

 CREATE OR REPLACE FUNCTION get_name_by_language(name hstore, languagepref TEXT[]) RETURNS TEXT
   AS $$
 DECLARE
 CREATE OR REPLACE FUNCTION get_name_by_language(name hstore, languagepref TEXT[]) RETURNS TEXT
   AS $$
 DECLARE

-  search TEXT[];
-  found BOOLEAN;
+  result TEXT;

 BEGIN
 BEGIN

-

   IF name is null THEN
     RETURN null;
   END IF;
 
   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;
 
     END IF;
   END LOOP;
 

-  RETURN null;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_connected_ways(way_ids INTEGER[]) RETURNS SETOF planet_osm_ways
-  AS $$
-DECLARE
-  searchnodes INTEGER[];
-  location RECORD;
-  j INTEGER;
-BEGIN
-
-  searchnodes := '{}';
-  FOR j IN 1..array_upper(way_ids, 1) LOOP
-    FOR location IN 
-      select nodes from planet_osm_ways where id = way_ids[j] LIMIT 1
-    LOOP
-      searchnodes := searchnodes | location.nodes;
-    END LOOP;
-  END LOOP;
-
-  RETURN QUERY select * from planet_osm_ways where nodes && searchnodes and NOT ARRAY[id] <@ way_ids;
+  -- anything will do as a fallback - just take the first name type thing there is
+  RETURN trim((avals(name))[1]);

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

-CREATE OR REPLACE FUNCTION get_address_postcode(for_place_id INTEGER) 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 $$
 DECLARE
   result TEXT[];
   AS $$
 DECLARE
   result TEXT[];

-  search TEXT[];
-  for_postcode TEXT;
-  found INTEGER;
+  currresult TEXT;
+  prevresult TEXT;

   location RECORD;
 BEGIN
 
   location RECORD;
 BEGIN
 

-  found := 1000;
-  search := ARRAY['ref'];

   result := '{}';
   result := '{}';

+  prevresult := '';

 
 

-  UPDATE placex set indexed = true where indexed = false and place_id = for_place_id;
-
-  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;
+  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));
+      prevresult := currresult;

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


@@ -1829,379 +2286,547 @@ END;
 $$
 LANGUAGE plpgsql;
 
 $$
 LANGUAGE plpgsql;
 

-CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id INTEGER, languagepref TEXT[]) RETURNS TEXT
+DROP TYPE IF EXISTS addressline CASCADE;
+create type addressline as (
+  place_id BIGINT,
+  osm_type CHAR(1),
+  osm_id BIGINT,
+  name HSTORE,
+  class TEXT,
+  type TEXT,
+  admin_level INTEGER,
+  fromarea BOOLEAN,  
+  isaddress BOOLEAN,  
+  rank_address INTEGER,
+  distance FLOAT
+);
+
+-- 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 $$
 DECLARE
   AS $$
 DECLARE

+  for_place_id BIGINT;

   result TEXT[];
   search TEXT[];
   found INTEGER;
   location RECORD;
   result TEXT[];
   search TEXT[];
   found INTEGER;
   location RECORD;

+  countrylocation RECORD;

   searchcountrycode varchar(2);
   searchhousenumber TEXT;
   searchcountrycode varchar(2);
   searchhousenumber TEXT;

+  searchhousename HSTORE;

   searchrankaddress INTEGER;
   searchrankaddress INTEGER;

+  searchpostcode TEXT;
+  searchclass TEXT;
+  searchtype TEXT;
+  countryname HSTORE;

 BEGIN
 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.
+
+  -- 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;

 
 

-  found := 1000;
-  search := languagepref;
-  result := '{}';
+  --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;
+
+  -- postcode table
+  IF for_place_id IS NULL THEN
+    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, 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;

 
 

-  select country_code,housenumber,rank_address from placex where place_id = for_place_id into searchcountrycode,searchhousenumber,searchrankaddress;
+  -- 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
+    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;

 
 

-  FOR location IN 
-    select CASE WHEN address_place_id = for_place_id AND rank_address = 0 THEN 100 ELSE rank_address END as rank_address,
-      CASE WHEN type = 'postcode' THEN 'name' => postcode ELSE name END as 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 > 0 AND rank_address < searchrankaddress) OR address_place_id = for_place_id)
-      and (placex.country_code IS NULL OR searchcountrycode IS NULL OR placex.country_code = searchcountrycode OR rank_address < 4)
-      order by rank_address desc,fromarea desc,distance asc,rank_search desc,namelength desc
+--RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode;
+
+  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
   LOOP

-    IF array_upper(search, 1) IS NOT NULL AND location.name IS NOT NULL THEN
-      FOR j IN 1..array_upper(search, 1) LOOP
-        IF (found > location.rank_address AND location.name ? search[j] AND location.name -> search[j] != ''
-            AND NOT result && ARRAY[location.name -> search[j]]) THEN
-          result[(100 - location.rank_address)] := trim(location.name -> search[j]);
-          found := location.rank_address;
-        END IF;
-      END LOOP;
+--RAISE WARNING '%',location;
+    IF searchcountrycode IS NULL AND location.country_code IS NOT NULL THEN
+      searchcountrycode := location.country_code;

     END IF;
     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, true, location.isaddress,
+                           location.rank_address, location.distance)::addressline;
+    RETURN NEXT countrylocation;
+    found := location.rank_address;

   END LOOP;
 
   END LOOP;
 

-  IF searchhousenumber IS NOT NULL AND COALESCE(result[(100 - 28)],'') != searchhousenumber THEN
-    IF result[(100 - 28)] IS NOT NULL THEN
-      result[(100 - 29)] := result[(100 - 28)];
+  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.country_code IS NOT NULL THEN
+      searchcountrycode := location.country_code;

     END IF;
     END IF;

-    result[(100 - 28)] := searchhousenumber;
-  END IF;
+    IF location.type in ('postcode', 'postal_code') THEN
+      location.isaddress := FALSE;
+    END IF;
+    countrylocation := ROW(location.place_id, location.osm_type, location.osm_id,
+                           location.name, location.class, location.type,
+                           location.admin_level, location.fromarea,
+                           location.isaddress, location.rank_address,
+                           location.distance)::addressline;
+    RETURN NEXT countrylocation;
+    found := location.rank_address;
+  END LOOP;

 
 

-  -- No country polygon - add it from the country_code
+  -- If no country was included yet, add the name information from country_name.

   IF found > 4 THEN
   IF found > 4 THEN

-    select get_name_by_language(country_name.name,languagepref) as name from placex join country_name using (country_code) 
-      where place_id = for_place_id limit 1 INTO location;
-    IF location IS NOT NULL THEN
-      result[(100 - 4)] := trim(location.name);
+    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;
+      RETURN NEXT location;

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

-  RETURN array_to_string(result,', ');
+  -- 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;
+    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;
+    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;
+    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;
+    RETURN NEXT location;
+  END IF;
+
+  RETURN;

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

-CREATE OR REPLACE FUNCTION get_addressdata_by_language(for_place_id INTEGER, languagepref TEXT[]) RETURNS TEXT[]
+
+CREATE OR REPLACE FUNCTION aux_create_property(pointgeo GEOMETRY, in_housenumber TEXT, 
+  in_street TEXT, in_isin TEXT, in_postcode TEXT, in_countrycode char(2)) RETURNS INTEGER

   AS $$
 DECLARE
   AS $$
 DECLARE

-  result TEXT[];
-  search TEXT[];
-  found INTEGER;
-  location RECORD;
-  searchcountrycode varchar(2);
-  searchhousenumber TEXT;
-BEGIN

 
 

-  found := 1000;
-  search := languagepref;
-  result := '{}';
+  newpoints INTEGER;
+  place_centroid GEOMETRY;
+  out_partition INTEGER;
+  out_parent_place_id BIGINT;
+  location RECORD;
+  address_street_word_id INTEGER;  
+  out_postcode TEXT;

 
 

-  UPDATE placex set indexed_status = 0 where indexed_status > 0 and place_id = for_place_id;
+BEGIN

 
 

-  select country_code,housenumber from placex where place_id = for_place_id into searchcountrycode,searchhousenumber;
+  place_centroid := ST_Centroid(pointgeo);
+  out_partition := get_partition(in_countrycode);
+  out_parent_place_id := null;

 
 

-  FOR location IN 
-    select CASE WHEN address_place_id = for_place_id AND rank_address = 0 THEN 100 ELSE rank_address END as 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 > 0 OR address_place_id = for_place_id)
-      and (placex.country_code IS NULL OR searchcountrycode IS NULL OR placex.country_code = searchcountrycode OR rank_address < 4)
-      order by rank_address desc,fromarea desc,distance asc,rank_search desc,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)] 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;
+  address_street_word_id := get_name_id(make_standard_name(in_street));
+  IF address_street_word_id IS NOT NULL THEN
+    FOR location IN SELECT * from getNearestNamedRoadFeature(out_partition, place_centroid, address_street_word_id) LOOP
+      out_parent_place_id := location.place_id;
+    END LOOP;
+  END IF;

 
 

-  IF searchhousenumber IS NOT NULL AND result[(100 - 28)] IS NULL THEN
-    result[(100 - 28)] := searchhousenumber;
+  IF out_parent_place_id IS NULL THEN
+    FOR location IN SELECT place_id FROM getNearestRoadFeature(out_partition, place_centroid) LOOP
+      out_parent_place_id := location.place_id;
+    END LOOP;

   END IF;
 
   END IF;
 

-  -- No country polygon - add it from the country_code
-  IF found > 4 THEN
-    select get_name_by_language(country_name.name,languagepref) as name from placex join country_name using (country_code) 
-      where place_id = for_place_id limit 1 INTO location;
-    IF location IS NOT NULL THEN
-      result[(100 - 4)] := trim(location.name);
-    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;
   END IF;

+  -- XXX look into postcode table

 
 

-  RETURN result;
+  newpoints := 0;
+  insert into location_property_aux (place_id, partition, parent_place_id, housenumber, postcode, centroid)
+    values (nextval('seq_place'), out_partition, out_parent_place_id, in_housenumber, out_postcode, place_centroid);
+  newpoints := newpoints + 1;
+
+  RETURN newpoints;

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

-CREATE OR REPLACE FUNCTION get_place_boundingbox(search_place_id INTEGER) RETURNS place_boundingbox
+CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], member TEXT) RETURNS TEXT[]

   AS $$
 DECLARE
   AS $$
 DECLARE

-  result place_boundingbox;
-  numfeatures integer;
+  result TEXT[];
+  i INTEGER;

 BEGIN
 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(area)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(area)),2)),
-             ST_X(ST_PointN(ExteriorRing(ST_Box2D(area)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(area)),3)),
-             numfeatures, ST_Area(area),
-             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;
+
+  FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
+    IF members[i+1] = member THEN
+      result := result || members[i];
+    END IF;
+  END LOOP;
+

   return result;
 END;
 $$
 LANGUAGE plpgsql;
 
   return result;
 END;
 $$
 LANGUAGE plpgsql;
 

--- don't do the operation if it would be slow
-CREATE OR REPLACE FUNCTION get_place_boundingbox_quick(search_place_id INTEGER) RETURNS place_boundingbox
+CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], memberLabels TEXT[]) RETURNS SETOF TEXT

   AS $$
 DECLARE
   AS $$
 DECLARE

-  result place_boundingbox;
-  numfeatures integer;
-  rank integer;
+  i INTEGER;

 BEGIN
 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(area)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(area)),2)),
-             ST_X(ST_PointN(ExteriorRing(ST_Box2D(area)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(area)),3)),
-             numfeatures, ST_Area(area),
-             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;
+
+  FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
+    IF members[i+1] = ANY(memberLabels) THEN
+      RETURN NEXT members[i];

     END IF;
     END IF;

-  END IF;
-  return result;
+  END LOOP;
+
+  RETURN;

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

-CREATE OR REPLACE FUNCTION update_place(search_place_id INTEGER) RETURNS BOOLEAN
+-- See: http://stackoverflow.com/questions/6410088/how-can-i-mimic-the-php-urldecode-function-in-postgresql
+CREATE OR REPLACE FUNCTION decode_url_part(p varchar) RETURNS varchar 
+  AS $$
+SELECT convert_from(CAST(E'\\x' || array_to_string(ARRAY(
+    SELECT CASE WHEN length(r.m[1]) = 1 THEN encode(convert_to(r.m[1], 'SQL_ASCII'), 'hex') ELSE substring(r.m[1] from 2 for 2) END
+    FROM regexp_matches($1, '%[0-9a-f][0-9a-f]|.', 'gi') AS r(m)
+), '') AS bytea), 'UTF8');
+$$ 
+LANGUAGE SQL IMMUTABLE STRICT;
+
+CREATE OR REPLACE FUNCTION catch_decode_url_part(p varchar) RETURNS varchar

   AS $$
 DECLARE
   AS $$
 DECLARE

-  result place_boundingbox;
-  numfeatures integer;

 BEGIN
 BEGIN

-  update placex set 
-      name = place.name,
-      housenumber = place.housenumber,
-      street = place.street,
-      isin = place.isin,
-      postcode = place.postcode,
-      country_code = place.country_code,
-      street_place_id = null,
-      indexed = false      
-      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 = true where place_id = search_place_id and indexed = false;
-  return true;
+  RETURN decode_url_part(p);
+EXCEPTION
+  WHEN others THEN return null;

 END;
 $$
 END;
 $$

-LANGUAGE plpgsql;
+LANGUAGE plpgsql IMMUTABLE;
+
+DROP TYPE wikipedia_article_match CASCADE;
+create type wikipedia_article_match as (
+  language TEXT,
+  title TEXT,
+  importance FLOAT
+);

 
 

-CREATE OR REPLACE FUNCTION update_place(search_place_id INTEGER) RETURNS BOOLEAN
+CREATE OR REPLACE FUNCTION get_wikipedia_match(extratags HSTORE, country_code varchar(2)) RETURNS wikipedia_article_match

   AS $$
 DECLARE
   AS $$
 DECLARE

-  result place_boundingbox;
-  numfeatures integer;
+  langs TEXT[];
+  i INT;
+  wiki_article TEXT;
+  wiki_article_title TEXT;
+  wiki_article_language TEXT;
+  result wikipedia_article_match;

 BEGIN
 BEGIN

-  update placex set 
-      name = place.name,
-      housenumber = place.housenumber,
-      street = place.street,
-      isin = place.isin,
-      postcode = place.postcode,
-      country_code = place.country_code,
-      street_place_id = null,
-      indexed = false      
-      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 = true where place_id = search_place_id and indexed = false;
-  return true;
+  langs := ARRAY['english','country','ar','bg','ca','cs','da','de','en','es','eo','eu','fa','fr','ko','hi','hr','id','it','he','lt','hu','ms','nl','ja','no','pl','pt','kk','ro','ru','sk','sl','sr','fi','sv','tr','uk','vi','vo','war','zh'];
+  i := 1;
+  WHILE langs[i] IS NOT NULL LOOP
+    wiki_article := extratags->(case when langs[i] in ('english','country') THEN 'wikipedia' ELSE 'wikipedia:'||langs[i] END);
+    IF wiki_article is not null THEN
+      wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/wiki/',E'\\2:');
+      wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/w/index.php\\?title=',E'\\2:');
+      wiki_article := regexp_replace(wiki_article,E'^(.*?)/([a-z]{2,3})/wiki/',E'\\2:');
+      --wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3})[=:]',E'\\2:');
+      wiki_article := replace(wiki_article,' ','_');
+      IF strpos(wiki_article, ':') IN (3,4) THEN
+        wiki_article_language := lower(trim(split_part(wiki_article, ':', 1)));
+        wiki_article_title := trim(substr(wiki_article, strpos(wiki_article, ':')+1));
+      ELSE
+        wiki_article_title := trim(wiki_article);
+        wiki_article_language := CASE WHEN langs[i] = 'english' THEN 'en' WHEN langs[i] = 'country' THEN get_country_language_code(country_code) ELSE langs[i] END;
+      END IF;
+
+      select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
+        from wikipedia_article 
+        where language = wiki_article_language and 
+        (title = wiki_article_title OR title = catch_decode_url_part(wiki_article_title) OR title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+      UNION ALL
+      select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
+        from wikipedia_redirect join wikipedia_article on (wikipedia_redirect.language = wikipedia_article.language and wikipedia_redirect.to_title = wikipedia_article.title)
+        where wikipedia_redirect.language = wiki_article_language and 
+        (from_title = wiki_article_title OR from_title = catch_decode_url_part(wiki_article_title) OR from_title = replace(catch_decode_url_part(wiki_article_title),E'\\',''))
+      order by importance desc limit 1 INTO result;
+
+      IF result.language is not null THEN
+        return result;
+      END IF;
+    END IF;
+    i := i + 1;
+  END LOOP;
+  RETURN NULL;

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

-CREATE OR REPLACE FUNCTION get_searchrank_label(rank INTEGER) RETURNS TEXT
+CREATE OR REPLACE FUNCTION quad_split_geometry(geometry GEOMETRY, maxarea FLOAT, maxdepth INTEGER) 
+  RETURNS SETOF GEOMETRY

   AS $$
 DECLARE
   AS $$
 DECLARE

+  xmin FLOAT;
+  ymin FLOAT;
+  xmax FLOAT;
+  ymax FLOAT;
+  xmid FLOAT;
+  ymid FLOAT;
+  secgeo GEOMETRY;
+  secbox GEOMETRY;
+  seg INTEGER;
+  geo RECORD;
+  area FLOAT;
+  remainingdepth INTEGER;
+  added INTEGER;
+  

 BEGIN
 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;
+
+--  RAISE WARNING 'quad_split_geometry: maxarea=%, depth=%',maxarea,maxdepth;
+
+  IF (ST_GeometryType(geometry) not in ('ST_Polygon','ST_MultiPolygon') OR NOT ST_IsValid(geometry)) THEN
+    RETURN NEXT geometry;
+    RETURN;

   END IF;
   END IF;

-  
+
+  remainingdepth := maxdepth - 1;
+  area := ST_AREA(geometry);
+  IF remainingdepth < 1 OR area < maxarea THEN
+    RETURN NEXT geometry;
+    RETURN;
+  END IF;
+
+  xmin := st_xmin(geometry);
+  xmax := st_xmax(geometry);
+  ymin := st_ymin(geometry);
+  ymax := st_ymax(geometry);
+  secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(ymin,xmin),ST_Point(ymax,xmax)),4326);
+
+  -- if the geometry completely covers the box don't bother to slice any more
+  IF ST_AREA(secbox) = area THEN
+    RETURN NEXT geometry;
+    RETURN;
+  END IF;
+
+  xmid := (xmin+xmax)/2;
+  ymid := (ymin+ymax)/2;
+
+  added := 0;
+  FOR seg IN 1..4 LOOP
+
+    IF seg = 1 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmin,ymin),ST_Point(xmid,ymid)),4326);
+    END IF;
+    IF seg = 2 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmin,ymid),ST_Point(xmid,ymax)),4326);
+    END IF;
+    IF seg = 3 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmid,ymin),ST_Point(xmax,ymid)),4326);
+    END IF;
+    IF seg = 4 THEN
+      secbox := ST_SetSRID(ST_MakeBox2D(ST_Point(xmid,ymid),ST_Point(xmax,ymax)),4326);
+    END IF;
+
+    IF st_intersects(geometry, secbox) THEN
+      secgeo := st_intersection(geometry, secbox);
+      IF NOT ST_IsEmpty(secgeo) AND ST_GeometryType(secgeo) in ('ST_Polygon','ST_MultiPolygon') THEN
+        FOR geo IN select quad_split_geometry(secgeo, maxarea, remainingdepth) as geom LOOP
+          IF NOT ST_IsEmpty(geo.geom) AND ST_GeometryType(geo.geom) in ('ST_Polygon','ST_MultiPolygon') THEN
+            added := added + 1;
+            RETURN NEXT geo.geom;
+          END IF;
+        END LOOP;
+      END IF;
+    END IF;
+  END LOOP;
+
+  RETURN;

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

-CREATE OR REPLACE FUNCTION get_addressrank_label(rank INTEGER) RETURNS TEXT
+CREATE OR REPLACE FUNCTION split_geometry(geometry GEOMETRY) 
+  RETURNS SETOF GEOMETRY

   AS $$
 DECLARE
   AS $$
 DECLARE

+  geo RECORD;

 BEGIN
 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;
-  
+  -- 10000000000 is ~~ 1x1 degree
+  FOR geo IN select quad_split_geometry(geometry, 0.25, 20) as geom LOOP
+    RETURN NEXT geo.geom;
+  END LOOP;
+  RETURN;

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

-CREATE OR REPLACE FUNCTION get_word_suggestion(srcword TEXT) RETURNS TEXT
+
+CREATE OR REPLACE FUNCTION place_force_delete(placeid BIGINT) RETURNS BOOLEAN

   AS $$
 DECLARE
   AS $$
 DECLARE

-  trigramtoken TEXT;
-  result TEXT;
+    osmid BIGINT;
+    osmtype character(1);
+    pclass text;
+    ptype text;

 BEGIN
 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;
+  SELECT osm_type, osm_id, class, type FROM placex WHERE place_id = placeid INTO osmtype, osmid, pclass, ptype;
+  DELETE FROM import_polygon_delete where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+  DELETE FROM import_polygon_error where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+  -- force delete from place/placex by making it a very small geometry
+  UPDATE place set geometry = ST_SetSRID(ST_Point(0,0), 4326) where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+  DELETE FROM place where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype;
+
+  RETURN TRUE;

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

-CREATE OR REPLACE FUNCTION get_word_suggestions(srcword TEXT) RETURNS TEXT[]
+CREATE OR REPLACE FUNCTION place_force_update(placeid BIGINT) RETURNS BOOLEAN

   AS $$
 DECLARE
   AS $$
 DECLARE

-  trigramtoken TEXT;
-  result TEXT[];
-  r RECORD;
+  placegeom GEOMETRY;
+  geom GEOMETRY;
+  diameter FLOAT;
+  rank INTEGER;

 BEGIN
 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 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 address ? 'place'));
+      END LOOP;
+    ELSE
+        diameter := 0;
+        IF rank = 11 THEN
+          diameter := 0.05;
+        ELSEIF rank < 18 THEN
+          diameter := 0.1;
+        ELSEIF rank < 20 THEN
+          diameter := 0.05;
+        ELSEIF rank = 21 THEN
+          diameter := 0.001;
+        ELSEIF rank < 24 THEN
+          diameter := 0.02;
+        ELSEIF rank < 26 THEN
+          diameter := 0.002; -- 100 to 200 meters
+        ELSEIF rank < 28 THEN
+          diameter := 0.001; -- 50 to 100 meters
+        END IF;
+        IF diameter > 0 THEN
+          IF rank >= 26 THEN
+            -- roads may cause reparenting for >27 rank places
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter);
+          ELSEIF rank >= 16 THEN
+            -- up to rank 16, street-less addresses may need reparenting
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null or 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);
+          END IF;
+        END IF;
+    END IF;
+    RETURN TRUE;
+  END IF;

 
 

-  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;
+  RETURN FALSE;

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

-
-CREATE AGGREGATE array_agg(INT[])
-(
-    sfunc = array_cat,
-    stype = INT[],
-    initcond = '{}'
-);
-
-