X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/49fa768f67aecf023d6175fe1b26f214fb3f95eb..753227ae255cbd71015b042a41dc3cbbfb8f1904:/sql/functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index f90b42d1..194a64d7 100644
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -271,6 +271,20 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION get_name_ids(lookup_word TEXT)
+  RETURNS INTEGER[]
+  AS $$
+DECLARE
+  lookup_token TEXT;
+  return_word_ids INTEGER[];
+BEGIN
+  lookup_token := ' '||trim(lookup_word);
+  SELECT array_agg(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_ids;
+  RETURN return_word_ids;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
 CREATE OR REPLACE FUNCTION array_merge(a INTEGER[], b INTEGER[])
   RETURNS INTEGER[]
   AS $$
@@ -460,31 +474,6 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_word_score(wordscores wordscore[], words text[]) RETURNS integer
-  AS $$
-DECLARE
-  idxword integer;
-  idxscores integer;
-  result integer;
-BEGIN
-  IF (wordscores is null OR words is null) THEN
-    RETURN 0;
-  END IF;
-
-  result := 0;
-  FOR idxword in 1 .. array_upper(words, 1) LOOP
-    FOR idxscores in 1 .. array_upper(wordscores, 1) LOOP
-      IF wordscores[idxscores].word = words[idxword] THEN
-        result := result + wordscores[idxscores].score;
-      END IF;
-    END LOOP;
-  END LOOP;
-
-  RETURN result;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
 CREATE OR REPLACE FUNCTION get_country_code(place geometry) RETURNS TEXT
   AS $$
 DECLARE
@@ -534,21 +523,6 @@ BEGIN
     RETURN nearcountry.country_code;
   END LOOP;
 
-  -- WorldBoundaries data (second fallback - think there might be something broken in this data)
---  FOR nearcountry IN select country_code from country where st_covers(geometry, place_centre) limit 1
---  LOOP
---    RETURN nearcountry.country_code;
---  END LOOP;
-
---RAISE WARNING 'near country: %', ST_AsText(place_centre);
-
-  -- Still not in a country - try nearest within ~12 miles of a country
---  FOR nearcountry IN select country_code from country where st_distance(geometry, place_centre) < 0.5 
---    order by st_distance(geometry, place) limit 1
---  LOOP
---    RETURN nearcountry.country_code;
---  END LOOP;
-
   RETURN NULL;
 END;
 $$
@@ -582,10 +556,9 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_partition(place geometry, in_country_code VARCHAR(10)) RETURNS INTEGER
+CREATE OR REPLACE FUNCTION get_partition(in_country_code VARCHAR(10)) RETURNS INTEGER
   AS $$
 DECLARE
-  place_centre GEOMETRY;
   nearcountry RECORD;
 BEGIN
   FOR nearcountry IN select partition from country_name where country_code = in_country_code
@@ -774,11 +747,80 @@ END;
 $$
 LANGUAGE plpgsql;
 
+-- find the parant road of an interpolation
+CREATE OR REPLACE FUNCTION get_interpolation_parent(wayid BIGINT, street TEXT, place TEXT,
+                                                    partition INTEGER, centroid GEOMETRY, geom GEOMETRY)
+RETURNS BIGINT AS $$
+DECLARE
+  addr_street TEXT;
+  addr_place TEXT;
+  parent_place_id BIGINT;
+  address_street_word_ids INTEGER[];
+
+  waynodes BIGINT[];
+
+  location RECORD;
+BEGIN
+  addr_street = street;
+  addr_place = place;
+
+  IF addr_street is null and addr_place is null THEN
+    select nodes from planet_osm_ways where id = wayid INTO waynodes;
+    FOR location IN SELECT placex.street, placex.addr_place from placex 
+                    where osm_type = 'N' and osm_id = ANY(waynodes)
+                          and (placex.street is not null or placex.addr_place is not null)
+                          and indexed_status < 100
+                    limit 1 LOOP
+      addr_street = location.street;
+      addr_place = location.addr_place;
+    END LOOP;
+  END IF;
+
+  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;
+
+  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;
 
-CREATE OR REPLACE FUNCTION create_interpolation(wayid BIGINT, interpolationtype TEXT) RETURNS INTEGER
+  RETURN parent_place_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION create_interpolation(wayid BIGINT, interpolationtype TEXT,
+                                                parent_id BIGINT, partition INTEGER,
+                                                country_code TEXT,  geometry_sector INTEGER,
+                                                defpostalcode TEXT, geom GEOMETRY) RETURNS INTEGER
   AS $$
 DECLARE
-  
+
   newpoints INTEGER;
   waynodes BIGINT[];
   nodeid BIGINT;
@@ -791,117 +833,111 @@ DECLARE
   originalnumberrange INTEGER;
   housenum INTEGER;
   linegeo GEOMETRY;
-  search_place_id BIGINT;
-  defpostalcode TEXT;
+  splitline GEOMETRY;
+  sectiongeo GEOMETRY;
+  pointgeo GEOMETRY;
 
-  havefirstpoint BOOLEAN;
-  linestr TEXT;
 BEGIN
-  newpoints := 0;
-  IF interpolationtype = 'odd' OR interpolationtype = 'even' OR interpolationtype = 'all' THEN
-
-    select postcode from placex where osm_type = 'W' and osm_id = wayid INTO defpostalcode;
-    select nodes from planet_osm_ways where id = wayid INTO waynodes;
---RAISE WARNING 'interpolation % % %',wayid,interpolationtype,waynodes;
-    IF array_upper(waynodes, 1) IS NOT NULL THEN
-
-      havefirstpoint := false;
-
-      FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
-
-        -- If there is a place of a type other than place/house, use that because
-        -- it is guaranteed to be the original node. For place/house types use the
-        -- one with the smallest id because the original node was created first.
-        -- Ignore all nodes marked for deletion. (Might happen when the type changes.)
-        select place_id from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and indexed_status < 100 order by (type = 'house'),place_id limit 1 INTO search_place_id;
-        IF search_place_id IS NULL THEN
-          -- if no such node exists, create a record of the right type
-          select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and type = 'house' limit 1 INTO nextnode;
-          select ST_SetSRID(ST_Point(lon::float/10000000,lat::float/10000000),4326) from planet_osm_nodes where id = waynodes[nodeidpos] INTO nextnode.geometry;
-          IF nextnode.geometry IS NULL THEN
-            -- we don't have any information about this point, most likely
-            -- because an excerpt was updated and the node never imported
-            -- because the interpolation is outside the region of the excerpt.
-            -- Give up.
-            RETURN newpoints;
-          END IF;
-        ELSE
-          select * from placex where place_id = search_place_id INTO nextnode;
-        END IF;
+  delete from placex where osm_type = 'W' and osm_id = wayid
+                                          and class = 'place' and type = 'address';
+
+  IF interpolationtype = 'odd' OR interpolationtype = 'even' THEN
+    stepsize := 2;
+  ELSEIF interpolationtype = 'all' THEN
+    stepsize := 1;
+  ELSEIF interpolationtype ~ '^\d+$' THEN
+    stepsize := interpolationtype::INTEGER;
+  ELSE
+    RETURN 0;
+  END IF;
 
---RAISE WARNING 'interpolation node % % % ',nextnode.housenumber,ST_X(nextnode.geometry),ST_Y(nextnode.geometry);
-      
-        IF havefirstpoint THEN
+  select nodes from planet_osm_ways where id = wayid INTO waynodes;
 
-          -- 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 array_upper(waynodes, 1) IS NULL THEN
+    RETURN 0;
+  END IF;
 
-          IF startnumber IS NOT NULL and startnumber > 0 AND endnumber IS NOT NULL and endnumber > 0 AND @(startnumber - endnumber) < 1000 THEN
+  linegeo := geom;
+  startnumber := NULL;
+  newpoints := 0;
 
---RAISE WARNING 'interpolation end % % ',nextnode.place_id,endnumber;
+  FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
+
+    -- If there is a place of a type other than place/house, use that because
+    -- it is guaranteed to be the original node. For place/house types use the
+    -- one with the smallest id because the original node was created first.
+    -- Ignore all nodes marked for deletion. (Might happen when the type changes.)
+    select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
+                               and indexed_status < 100
+                         order by (type = 'address'),place_id limit 1 INTO nextnode;
+    IF nextnode.place_id IS NOT NULL THEN
+
+        IF nodeidpos > 1 and nodeidpos < array_upper(waynodes, 1) THEN
+          -- Make sure that the point is actually on the line. That might
+          -- be a bit paranoid but ensures that the algorithm still works
+          -- should osm2pgsql attempt to repair geometries.
+          splitline := split_line_on_node(linegeo, nextnode.geometry);
+          sectiongeo := ST_GeometryN(splitline, 1);
+          linegeo := ST_GeometryN(splitline, 2);
+        ELSE
+          sectiongeo = linegeo;
+        END IF;
+        endnumber := substring(nextnode.housenumber,'[0-9]+')::integer;
 
-            IF startnumber != endnumber THEN
+        IF startnumber IS NOT NULL AND endnumber IS NOT NULL
+           AND @(startnumber - endnumber) < 1000 AND startnumber != endnumber
+           AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN
 
-              linestr := linestr || ')';
---RAISE WARNING 'linestr %',linestr;
-              linegeo := ST_GeomFromText(linestr,4326);
-              linestr := 'LINESTRING('||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
-              IF (startnumber > endnumber) THEN
-                housenum := endnumber;
-                endnumber := startnumber;
-                startnumber := housenum;
-                linegeo := ST_Reverse(linegeo);
-              END IF;
-              orginalstartnumber := startnumber;
-              originalnumberrange := endnumber - startnumber;
-
--- Too much broken data worldwide for this test to be worth using
---              IF originalnumberrange > 500 THEN
---                RAISE WARNING 'Number block of % while processing % %', originalnumberrange, prevnode, nextnode;
---              END IF;
-
-              IF (interpolationtype = 'odd' AND startnumber%2 = 0) OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN
-                startnumber := startnumber + 1;
-                stepsize := 2;
-              ELSE
-                IF (interpolationtype = 'odd' OR interpolationtype = 'even') THEN
-                  startnumber := startnumber + 2;
-                  stepsize := 2;
-                ELSE -- everything else assumed to be 'all'
-                  startnumber := startnumber + 1;
-                  stepsize := 1;
-                END IF;
-              END IF;
-              endnumber := endnumber - 1;
-              delete from placex where osm_type = 'N' and osm_id = prevnode.osm_id and type = 'house' and place_id != prevnode.place_id;
-              FOR housenum IN startnumber..endnumber BY stepsize LOOP
-                -- this should really copy postcodes but it puts a huge burdon on the system for no big benefit
-                -- ideally postcodes should move up to the way
-                insert into placex (osm_type, osm_id, class, type, admin_level, housenumber, street, addr_place, isin, postcode,
-                  country_code, parent_place_id, rank_address, rank_search, indexed_status, geometry)
-                  values ('N',prevnode.osm_id, 'place', 'house', prevnode.admin_level, housenum, prevnode.street, prevnode.addr_place, prevnode.isin, coalesce(prevnode.postcode, defpostalcode),
-                  prevnode.country_code, prevnode.parent_place_id, prevnode.rank_address, prevnode.rank_search, 1, ST_LineInterpolatePoint(linegeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float));
-                newpoints := newpoints + 1;
---RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;
-              END LOOP;
-            END IF;
-            havefirstpoint := false;
+          IF (startnumber > endnumber) THEN
+            housenum := endnumber;
+            endnumber := startnumber;
+            startnumber := housenum;
+            sectiongeo := ST_Reverse(sectiongeo);
           END IF;
+          orginalstartnumber := startnumber;
+          originalnumberrange := endnumber - startnumber;
+
+          startnumber := startnumber + stepsize;
+          -- correct for odd/even
+          IF (interpolationtype = 'odd' AND startnumber%2 = 0)
+             OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN
+            startnumber := startnumber - 1;
+          END IF;
+          endnumber := endnumber - 1;
+
+          -- keep for compatibility with previous versions
+          delete from placex where osm_type = 'N' and osm_id = prevnode.osm_id
+                               and place_id != prevnode.place_id and class = 'place'
+                               and type = 'house';
+          FOR housenum IN startnumber..endnumber BY stepsize LOOP
+            pointgeo := ST_LineInterpolatePoint(sectiongeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float);
+            insert into placex (place_id, partition, osm_type, osm_id,
+                                class, type, admin_level, housenumber,
+                                postcode,
+                                country_code, parent_place_id, rank_address, rank_search,
+                                indexed_status, indexed_date, geometry_sector,
+                                calculated_country_code, centroid, geometry)
+              values (nextval('seq_place'), partition, 'W', wayid,
+                      'place', 'address', prevnode.admin_level, housenum,
+                      coalesce(prevnode.postcode, defpostalcode),
+                      prevnode.country_code, parent_id, 30, 30,
+                      0, now(), geometry_sector, country_code,
+                      pointgeo, pointgeo);
+            newpoints := newpoints + 1;
+--RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;
+          END LOOP;
         END IF;
 
-        IF NOT havefirstpoint THEN
-          startnumber := ('0'||substring(nextnode.housenumber,'[0-9]+'))::integer;
-          IF startnumber IS NOT NULL AND startnumber > 0 THEN
-            havefirstpoint := true;
-            linestr := 'LINESTRING('||ST_X(nextnode.geometry)||' '||ST_Y(nextnode.geometry);
-            prevnode := nextnode;
-          END IF;
---RAISE WARNING 'interpolation start % % ',nextnode.place_id,startnumber;
+        -- early break if we are out of line string,
+        -- might happen when a line string loops back on itself
+        IF ST_GeometryType(linegeo) != 'ST_LineString' THEN
+            RETURN newpoints;
         END IF;
-      END LOOP;
+
+        startnumber := substring(nextnode.housenumber,'[0-9]+')::integer;
+        prevnode := nextnode;
     END IF;
-  END IF;
+  END LOOP;
 
 --RAISE WARNING 'interpolation points % ',newpoints;
 
@@ -923,6 +959,11 @@ DECLARE
 BEGIN
   --DEBUG: RAISE WARNING '% %',NEW.osm_type,NEW.osm_id;
 
+  -- ignore interpolated addresses
+  IF NEW.class = 'place' and NEW.type = 'address' THEN
+    RETURN NEW;
+  END IF;
+
   -- just block these
   IF NEW.class in ('landuse','natural') and NEW.name is null THEN
 --    RAISE WARNING 'empty landuse %',NEW.osm_id;
@@ -953,7 +994,7 @@ BEGIN
 
   NEW.calculated_country_code := lower(get_country_code(NEW.geometry));
 
-  NEW.partition := get_partition(NEW.geometry, NEW.calculated_country_code);
+  NEW.partition := get_partition(NEW.calculated_country_code);
   NEW.geometry_sector := geometry_sector(NEW.partition, NEW.geometry);
 
   -- copy 'name' to or from the default language (if there is a default language)
@@ -1005,6 +1046,13 @@ BEGIN
             NEW.rank_address := 5;
           END IF;
 
+        ELSEIF NEW.calculated_country_code = 'sg' THEN
+
+          IF NEW.postcode ~ '^([0-9]{6})$' THEN
+            NEW.rank_search := 25;
+            NEW.rank_address := 11;
+          END IF;
+
         ELSEIF NEW.calculated_country_code = 'de' THEN
 
           IF NEW.postcode ~ '^([0-9]{5})$' THEN
@@ -1082,8 +1130,6 @@ BEGIN
         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;
@@ -1101,14 +1147,23 @@ BEGIN
       END IF;
     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;
+      IF NEW.type in ('residential', 'farm', 'farmyard', 'industrial', 'commercial', 'allotments', 'retail') THEN
+        NEW.rank_address := NEW.rank_search;
+      ELSE
+        NEW.rank_address := 0;
+      END IF;
     ELSEIF NEW.class = 'natural' and NEW.type in ('peak','volcano','mountain_range') THEN
       NEW.rank_search := 18;
       NEW.rank_address := 0;
+    ELSEIF NEW.class = 'natural' and NEW.type = 'sea' THEN
+      NEW.rank_search := 4;
+      NEW.rank_address := NEW.rank_search;
+    ELSEIF NEW.class = 'natural' and NEW.type in ('coastline') THEN
+      RETURN NULL;
     -- 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;
+      NEW.rank_address := 0;
     ELSEIF NEW.class = 'highway' AND NEW.name is NULL AND 
            NEW.type in ('service','cycleway','path','footway','steps','bridleway','track','byway','motorway_link','primary_link','trunk_link','secondary_link','tertiary_link') THEN
 --      RAISE WARNING 'unnamed minor feature %',NEW.osm_id;
@@ -1118,18 +1173,18 @@ BEGIN
     ELSEIF NEW.class = 'waterway' AND NEW.name is NULL THEN
       RETURN NULL;
     ELSEIF NEW.class = 'waterway' THEN
-      NEW.rank_address := 17;
+      IF NEW.osm_type = 'R' THEN
+        NEW.rank_search := 16;
+      ELSE
+        NEW.rank_search := 17;
+      END IF;
+      NEW.rank_address := 0;
     ELSEIF NEW.class = 'highway' AND NEW.osm_type != 'N' AND NEW.type in ('service','cycleway','path','footway','steps','bridleway','motorway_link','primary_link','trunk_link','secondary_link','tertiary_link') THEN
       NEW.rank_search := 27;
       NEW.rank_address := NEW.rank_search;
     ELSEIF NEW.class = 'highway' AND NEW.osm_type != 'N' THEN
       NEW.rank_search := 26;
       NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'natural' and NEW.type = 'sea' THEN
-      NEW.rank_search := 4;
-      NEW.rank_address := NEW.rank_search;
-    ELSEIF NEW.class = 'natural' and NEW.type in ('coastline') THEN
-      RETURN NULL;
     ELSEIF NEW.class = 'mountain_pass' THEN
         NEW.rank_search := 20;
         NEW.rank_address := 0;
@@ -1150,7 +1205,7 @@ BEGIN
   END IF;
 
   -- a country code make no sense below rank 4 (country)
-  IF NEW.rank_address < 4 THEN
+  IF NEW.rank_search < 4 THEN
     NEW.calculated_country_code := NULL;
   END IF;
 
@@ -1163,55 +1218,57 @@ BEGIN
 
   RETURN NEW; -- @DIFFUPDATES@ The following is not needed until doing diff updates, and slows the main index process down
 
-  IF (ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(NEW.geometry)) THEN
-    -- Performance: We just can't handle re-indexing for country level changes
-    IF st_area(NEW.geometry) < 1 THEN
-      -- mark items within the geometry for re-indexing
---    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
-
-      -- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
-      update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
-       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
-      update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
-       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
-    END IF;
-  ELSE
-    -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
-    diameter := 0;
-    -- 16 = city, anything higher than city is effectively ignored (polygon required!)
-    IF NEW.type='postcode' THEN
-      diameter := 0.05;
-    ELSEIF NEW.rank_search < 16 THEN
+  IF NEW.rank_address > 0 THEN
+    IF (ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(NEW.geometry)) THEN
+      -- Performance: We just can't handle re-indexing for country level changes
+      IF st_area(NEW.geometry) < 1 THEN
+        -- mark items within the geometry for re-indexing
+  --    RAISE WARNING 'placex poly insert: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
+
+        -- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
+        update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
+         AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
+        update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
+         AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));
+      END IF;
+    ELSE
+      -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
       diameter := 0;
-    ELSEIF NEW.rank_search < 18 THEN
-      diameter := 0.1;
-    ELSEIF NEW.rank_search < 20 THEN
-      diameter := 0.05;
-    ELSEIF NEW.rank_search = 21 THEN
-      diameter := 0.001;
-    ELSEIF NEW.rank_search < 24 THEN
-      diameter := 0.02;
-    ELSEIF NEW.rank_search < 26 THEN
-      diameter := 0.002; -- 100 to 200 meters
-    ELSEIF NEW.rank_search < 28 THEN
-      diameter := 0.001; -- 50 to 100 meters
-    END IF;
-    IF diameter > 0 THEN
---      RAISE WARNING 'placex point insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,diameter;
-      IF NEW.rank_search >= 26 THEN
-        -- roads may cause reparenting for >27 rank places
-        update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
-      ELSEIF NEW.rank_search >= 16 THEN
-        -- up to rank 16, street-less addresses may need reparenting
-        update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null or addr_place is not null);
-      ELSE
-        -- for all other places the search terms may change as well
-        update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null);
+      -- 16 = city, anything higher than city is effectively ignored (polygon required!)
+      IF NEW.type='postcode' THEN
+        diameter := 0.05;
+      ELSEIF NEW.rank_search < 16 THEN
+        diameter := 0;
+      ELSEIF NEW.rank_search < 18 THEN
+        diameter := 0.1;
+      ELSEIF NEW.rank_search < 20 THEN
+        diameter := 0.05;
+      ELSEIF NEW.rank_search = 21 THEN
+        diameter := 0.001;
+      ELSEIF NEW.rank_search < 24 THEN
+        diameter := 0.02;
+      ELSEIF NEW.rank_search < 26 THEN
+        diameter := 0.002; -- 100 to 200 meters
+      ELSEIF NEW.rank_search < 28 THEN
+        diameter := 0.001; -- 50 to 100 meters
+      END IF;
+      IF diameter > 0 THEN
+  --      RAISE WARNING 'placex point insert: % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,diameter;
+        IF NEW.rank_search >= 26 THEN
+          -- roads may cause reparenting for >27 rank places
+          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
+        ELSEIF NEW.rank_search >= 16 THEN
+          -- up to rank 16, street-less addresses may need reparenting
+          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null or addr_place is not null);
+        ELSE
+          -- for all other places the search terms may change as well
+          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null);
+        END IF;
       END IF;
     END IF;
-
   END IF;
 
+
    -- 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.
@@ -1243,8 +1300,6 @@ DECLARE
   search_maxdistance FLOAT[];
   search_mindistance FLOAT[];
   address_havelevel BOOLEAN[];
---  search_scores wordscore[];
---  search_scores_pos INTEGER;
 
   i INTEGER;
   iMax FLOAT;
@@ -1259,6 +1314,7 @@ DECLARE
   search_maxrank INTEGER;
   address_maxrank INTEGER;
   address_street_word_id INTEGER;
+  address_street_word_ids INTEGER[];
   parent_place_id_rank BIGINT;
   
   isin TEXT[];
@@ -1268,6 +1324,7 @@ DECLARE
   location_distance FLOAT;
   location_parent GEOMETRY;
   location_isaddress BOOLEAN;
+  location_keywords INTEGER[];
 
   tagpairid INTEGER;
 
@@ -1291,6 +1348,11 @@ BEGIN
     RETURN NEW;
   END IF;
 
+  -- ignore interpolated addresses
+  IF NEW.class = 'place' and NEW.type = 'address' THEN
+    RETURN NEW;
+  END IF;
+
   --DEBUG: RAISE WARNING 'placex_update % %',NEW.osm_type,NEW.osm_id;
 
 --RAISE WARNING '%',NEW.place_id;
@@ -1308,7 +1370,6 @@ BEGIN
 
     result := deleteSearchName(NEW.partition, NEW.place_id);
     DELETE FROM place_addressline WHERE place_id = NEW.place_id;
-    DELETE FROM place_boundingbox where place_id = NEW.place_id;
     result := deleteRoad(NEW.partition, NEW.place_id);
     result := deleteLocationArea(NEW.partition, NEW.place_id, NEW.rank_search);
     UPDATE placex set linked_place_id = null where linked_place_id = NEW.place_id;
@@ -1317,25 +1378,65 @@ BEGIN
       RETURN NEW;
     END IF;
 
-    IF NEW.class = 'place' AND NEW.type = 'houses' THEN
-      i := create_interpolation(NEW.osm_id, NEW.housenumber);
-      RETURN NEW;
-    END IF;
-
     -- Speed up searches - just use the centroid of the feature
     -- cheaper but less acurate
     place_centroid := ST_PointOnSurface(NEW.geometry);
     NEW.centroid := null;
 
-    -- reclaculate country and partition
-    IF NEW.rank_search >= 4 THEN
-      NEW.calculated_country_code := lower(get_country_code(place_centroid));
+    -- recalculate country and partition
+    IF NEW.rank_search = 4 THEN
+      -- for countries, believe the mapped country code,
+      -- so that we remain in the right partition if the boundaries
+      -- suddenly expand.
+      NEW.partition := get_partition(lower(NEW.country_code));
+      IF NEW.partition = 0 THEN
+        NEW.calculated_country_code := lower(get_country_code(place_centroid));
+        NEW.partition := get_partition(NEW.calculated_country_code);
+      ELSE
+        NEW.calculated_country_code := lower(NEW.country_code);
+      END IF;
     ELSE
-      NEW.calculated_country_code := NULL;
+      IF NEW.rank_search > 4 THEN
+        --NEW.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
+        NEW.calculated_country_code := lower(get_country_code(place_centroid));
+      ELSE
+        NEW.calculated_country_code := NULL;
+      END IF;
+      NEW.partition := get_partition(NEW.calculated_country_code);
     END IF;
-    NEW.partition := get_partition(place_centroid, NEW.calculated_country_code);
     NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
 
+    -- interpolations
+    IF NEW.class = 'place' AND NEW.type = 'houses'THEN
+      IF NEW.osm_type = 'W' and ST_GeometryType(NEW.geometry) = 'ST_LineString' THEN
+        NEW.parent_place_id := get_interpolation_parent(NEW.osm_id, NEW.street, NEW.addr_place,
+                                                        NEW.partition, place_centroid, NEW.geometry);
+        i := create_interpolation(NEW.osm_id, NEW.housenumber, NEW.parent_place_id,
+                                  NEW.partition, NEW.calculated_country_code,
+                                  NEW.geometry_sector, NEW.postcode, NEW.geometry);
+      END IF;
+      RETURN NEW;
+    END IF;
+
+    -- waterway ways are linked when they are part of a relation and have the same class/type
+    IF NEW.osm_type = 'R' and NEW.class = 'waterway' THEN
+        FOR relation_members IN select members from planet_osm_rels r where r.id = NEW.osm_id and r.parts != array[]::bigint[]
+        LOOP
+            FOR i IN 1..array_upper(relation_members, 1) BY 2 LOOP
+                IF relation_members[i+1] in ('', 'main_stream', 'side_stream') AND substring(relation_members[i],1,1) = 'w' THEN
+                  --DEBUG: RAISE WARNING 'waterway parent %, child %/%', NEW.osm_id, i, relation.members[i];
+                  FOR linked_node_id IN SELECT place_id FROM placex
+                    WHERE osm_type = 'W' and osm_id = substring(relation_members[i],2,200)::bigint
+                    and class = NEW.class and type = NEW.type
+                    and ( relation_members[i+1] != 'side_stream' or NEW.name->'name' = name->'name')
+                  LOOP
+                    UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = linked_node_id;
+                  END LOOP;
+                END IF;
+            END LOOP;
+        END LOOP;
+    END IF;
+
     -- Adding ourselves to the list simplifies address calculations later
     INSERT INTO place_addressline VALUES (NEW.place_id, NEW.place_id, true, true, 0, NEW.rank_address); 
 
@@ -1387,31 +1488,67 @@ BEGIN
 
       NEW.parent_place_id := null;
 
-      -- to do that we have to find our parent road
+      -- if we have a POI and there is no address information,
+      -- see if we can get it from a surrounding building
+      IF NEW.osm_type = 'N' AND NEW.street IS NULL AND NEW.addr_place IS NULL
+         AND NEW.housenumber IS NULL THEN
+        FOR location IN select * from placex where ST_Covers(geometry, place_centroid)
+              and (housenumber is not null or street is not null or addr_place is not null)
+              and rank_search > 28 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
+              limit 1
+        LOOP
+          NEW.housenumber := location.housenumber;
+          NEW.street := location.street;
+          NEW.addr_place := location.addr_place;
+        END LOOP;
+      END IF;
+
+      -- We have to find our parent road.
       -- Copy data from linked items (points on ways, addr:street links, relations)
-      -- Note that addr:street links can only be indexed once the street itself is indexed
-      IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
 
-        -- Is this node part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY['n'||NEW.osm_id]
+      -- Is this object part of a relation?
+        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY[lower(NEW.osm_type)||NEW.osm_id]
         LOOP
           -- At the moment we only process one type of relation - associatedStreet
-          IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
+          IF relation.tags @> ARRAY['associatedStreet'] THEN
             FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
               IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
 --RAISE WARNING 'node in relation %',relation;
-                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint 
-                  and rank_search = 26 INTO NEW.parent_place_id;
+                SELECT place_id from placex where osm_type = 'W'
+                  and osm_id = substring(relation.members[i],2,200)::bigint
+                  and rank_search = 26 and name is not null INTO NEW.parent_place_id;
               END IF;
             END LOOP;
           END IF;
-        END LOOP;      
+        END LOOP;
+
+
+      -- Note that addr:street links can only be indexed once the street itself is indexed
+       IF NEW.parent_place_id IS NULL AND NEW.street IS NOT NULL THEN
+        address_street_word_ids := get_name_ids(make_standard_name(NEW.street));
+        IF address_street_word_ids IS NOT NULL THEN
+          FOR location IN SELECT * from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+              NEW.parent_place_id := location.place_id;
+          END LOOP;
+        END IF;
+      END IF;
+
+      IF NEW.parent_place_id IS NULL AND NEW.addr_place IS NOT NULL THEN
+        address_street_word_ids := get_name_ids(make_standard_name(NEW.addr_place));
+        IF address_street_word_ids IS NOT NULL THEN
+          FOR location IN SELECT * from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+            NEW.parent_place_id := location.place_id;
+          END LOOP;
+        END IF;
+      END IF;
+
+      IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'N' THEN
 
 --RAISE WARNING 'x1';
         -- Is this node part of a way?
-        FOR way IN select id from planet_osm_ways where nodes @> ARRAY[NEW.osm_id] LOOP
---RAISE WARNING '%', way;
-        FOR location IN select * from placex where osm_type = 'W' and osm_id = way.id
+        FOR location IN select p.* from placex p, planet_osm_ways w
+           where p.osm_type = 'W' and p.rank_search >= 26
+             and p.geometry && NEW.geometry and p.osm_id = w.id and NEW.osm_id = any(w.nodes)
         LOOP
 --RAISE WARNING '%', location;
           -- Way IS a road then we are on it - that must be our road
@@ -1420,6 +1557,11 @@ BEGIN
             NEW.parent_place_id := location.place_id;
           END IF;
 
+          -- If this way is a street interpolation line then it is probably as good as we are going to get
+          IF NEW.parent_place_id IS NULL AND location.class = 'place' and location.type='houses' THEN
+            NEW.parent_place_id := location.parent_place_id;
+          END IF;
+
           -- Is the WAY part of a relation
           IF NEW.parent_place_id IS NULL THEN
               FOR relation IN select * from planet_osm_rels where parts @> ARRAY[location.osm_id] and members @> ARRAY['w'||location.osm_id]
@@ -1430,81 +1572,34 @@ BEGIN
                     IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
     --RAISE WARNING 'node in way that is in a relation %',relation;
                       SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint 
-                        and rank_search = 26 INTO NEW.parent_place_id;
+                        and rank_search = 26 and name is not null INTO NEW.parent_place_id;
                     END IF;
                   END LOOP;
                 END IF;
               END LOOP;
-          END IF;    
-          
-          -- If the way contains an explicit name of a street copy it
-          IF NEW.street IS NULL AND NEW.addr_place IS NULL AND location.street IS NOT NULL THEN
---RAISE WARNING 'node in way that has a streetname %',location;
-            NEW.street := location.street;
           END IF;
 
-          -- IF the way contains an explicit name of a place copy it
-          IF NEW.addr_place IS NULL AND NEW.street IS NULL AND location.addr_place IS NOT NULL THEN
-            NEW.addr_place := location.addr_place;
+          -- If the way mentions a street or place address, try that for parenting.
+          IF NEW.parent_place_id IS NULL AND location.street IS NOT NULL THEN
+            address_street_word_ids := get_name_ids(make_standard_name(location.street));
+            IF address_street_word_ids IS NOT NULL THEN
+              FOR linkedplacex IN SELECT place_id from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+                  NEW.parent_place_id := linkedplacex.place_id;
+              END LOOP;
+            END IF;
           END IF;
 
-          -- If this way is a street interpolation line then it is probably as good as we are going to get
-          IF NEW.parent_place_id IS NULL AND NEW.street IS NULL AND NEW.addr_place IS NULL AND location.class = 'place' and location.type='houses' THEN
-            -- Try and find a way that is close roughly parellel to this line
-            FOR relation IN SELECT place_id FROM placex
-              WHERE ST_DWithin(location.geometry, placex.geometry, 0.001) and placex.rank_search = 26
-                and st_geometrytype(location.geometry) in ('ST_LineString')
-              ORDER BY (ST_distance(placex.geometry, ST_LineInterpolatePoint(location.geometry,0))+
-                        ST_distance(placex.geometry, ST_LineInterpolatePoint(location.geometry,0.5))+
-                        ST_distance(placex.geometry, ST_LineInterpolatePoint(location.geometry,1))) ASC limit 1
-            LOOP
---RAISE WARNING 'using nearest street to address interpolation line,0.001 %',relation;
-              NEW.parent_place_id := relation.place_id;
-            END LOOP;
+          IF NEW.parent_place_id IS NULL AND location.addr_place IS NOT NULL THEN
+            address_street_word_ids := get_name_ids(make_standard_name(location.addr_place));
+            IF address_street_word_ids IS NOT NULL THEN
+              FOR linkedplacex IN SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_ids) LOOP
+                NEW.parent_place_id := linkedplacex.place_id;
+              END LOOP;
+            END IF;
           END IF;
 
         END LOOP;
-        END LOOP;
-                
-      END IF;
 
---RAISE WARNING 'x2';
-
-      IF NEW.parent_place_id IS NULL AND NEW.osm_type = 'W' THEN
-        -- Is this way part of a relation?
-        FOR relation IN select * from planet_osm_rels where parts @> ARRAY[NEW.osm_id] and members @> ARRAY['w'||NEW.osm_id]
-        LOOP
-          -- At the moment we only process one type of relation - associatedStreet
-          IF relation.tags @> ARRAY['associatedStreet'] AND array_upper(relation.members, 1) IS NOT NULL THEN
-            FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
-              IF NEW.parent_place_id IS NULL AND relation.members[i+1] = 'street' THEN
---RAISE WARNING 'way that is in a relation %',relation;
-                SELECT place_id from placex where osm_type='W' and osm_id = substring(relation.members[i],2,200)::bigint
-                  and rank_search = 26 INTO NEW.parent_place_id;
-              END IF;
-            END LOOP;
-          END IF;
-        END LOOP;
-      END IF;
-      
---RAISE WARNING 'x3 %',NEW.parent_place_id;
-
-      IF NEW.parent_place_id IS NULL AND NEW.street IS NOT NULL THEN
-        address_street_word_id := get_name_id(make_standard_name(NEW.street));
-        IF address_street_word_id IS NOT NULL THEN
-          FOR location IN SELECT * from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_id) LOOP
-              NEW.parent_place_id := location.place_id;
-          END LOOP;
-        END IF;
-      END IF;
-
-      IF NEW.parent_place_id IS NULL AND NEW.addr_place IS NOT NULL THEN
-        address_street_word_id := get_name_id(make_standard_name(NEW.addr_place));
-        IF address_street_word_id IS NOT NULL THEN
-          FOR location IN SELECT * from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_id) LOOP
-            NEW.parent_place_id := location.place_id;
-          END LOOP;
-        END IF;
       END IF;
 
 --RAISE WARNING 'x4 %',NEW.parent_place_id;
@@ -1585,17 +1680,13 @@ BEGIN
             END IF;
 
             -- merge in extra tags
-            IF NOT linkedPlacex.extratags IS NULL THEN
-              NEW.extratags := linkedPlacex.extratags || NEW.extratags;
-            END IF;
-
-            IF NOT NEW.extratags ? linkedPlacex.class THEN
-              NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
-            END IF;
+            NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
 
             -- mark the linked place (excludes from search results)
             UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
 
+            -- keep a note of the node id in case we need it for wikipedia in a bit
+            linked_node_id := linkedPlacex.osm_id;
           END LOOP;
 
         END LOOP;
@@ -1624,13 +1715,7 @@ BEGIN
                 END IF;
 
                 -- merge in extra tags
-                IF NOT linkedPlacex.extratags IS NULL THEN
-                  NEW.extratags := linkedPlacex.extratags || NEW.extratags;
-                END IF;
-
-                IF NOT NEW.extratags ? linkedPlacex.class THEN
-                  NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
-                END IF;
+                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;
@@ -1672,11 +1757,7 @@ BEGIN
           name_vector := make_keywords(NEW.name);
 
           -- merge in extra tags
-          NEW.extratags := linkedPlacex.extratags || NEW.extratags;
-
-          IF NOT NEW.extratags ? linkedPlacex.class THEN
-            NEW.extratags := NEW.extratags || hstore(linkedPlacex.class, linkedPlacex.type);
-          END IF;
+          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;
@@ -1789,10 +1870,26 @@ BEGIN
 
       IF location.rank_address != location_rank_search THEN
         location_rank_search := location.rank_address;
-        location_distance := location.distance * 1.5;
+        IF location.isguess THEN
+          location_distance := location.distance * 1.5;
+        ELSE
+          IF location.rank_address <= 12 THEN
+            -- for county and above, if we have an area consider that exact
+            -- (It would be nice to relax the constraint for places close to
+            --  the boundary but we'd need the exact geometry for that. Too
+            --  expensive.)
+            location_distance = 0;
+          ELSE
+            -- Below county level remain slightly fuzzy.
+            location_distance := location.distance * 0.5;
+          END IF;
+        END IF;
+      ELSE
+        CONTINUE WHEN location.keywords <@ location_keywords;
       END IF;
 
       IF location.distance < location_distance OR NOT location.isguess THEN
+        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
@@ -1973,20 +2070,28 @@ LANGUAGE plpgsql;
 CREATE OR REPLACE FUNCTION place_delete() RETURNS TRIGGER
   AS $$
 DECLARE
-  placeid BIGINT;
+  has_rank BOOLEAN;
 BEGIN
 
   --DEBUG: RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;
 
   -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
   IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN
-    insert into import_polygon_delete values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type);
-    RETURN NULL;
+    SELECT bool_or(not (rank_address = 0 or rank_address > 26)) as ranked FROM placex WHERE osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type INTO has_rank;
+    IF has_rank THEN
+      insert into import_polygon_delete 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.class = 'place' and OLD.type = 'houses' THEN
+    UPDATE placex set indexed_status = 100 where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = 'place' and type = 'address';
+  END IF;
+
   RETURN OLD;
 
 END;
@@ -2041,8 +2146,8 @@ BEGIN
   -- Handle a place changing type by removing the old data
   -- My generated 'place' types are causing havok because they overlap with real keys
   -- TODO: move them to their own special purpose key/class to avoid collisions
-  IF existing.osm_type IS NULL AND (NEW.type not in ('postcode','house','houses')) THEN
-    DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type not in ('postcode','house','houses');
+  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;
@@ -2255,6 +2360,11 @@ BEGIN
 
   END IF;
 
+  -- for interpolations invalidate all nodes on the line
+  IF NEW.class = 'place' and NEW.type = 'houses' and NEW.osm_type = 'W' THEN
+    update placex p set indexed_status = 2 from planet_osm_ways w where w.id = NEW.osm_id and p.osm_type = 'N' and p.osm_id = any(w.nodes);
+  END IF;
+
   -- Abort the add (we modified the existing place instead)
   RETURN NULL;
 
@@ -2287,29 +2397,6 @@ END;
 $$
 LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION get_connected_ways(way_ids INTEGER[]) RETURNS SETOF planet_osm_ways
-  AS $$
-DECLARE
-  searchnodes INTEGER[];
-  location RECORD;
-  j INTEGER;
-BEGIN
-
-  searchnodes := '{}';
-  FOR j IN 1..array_upper(way_ids, 1) LOOP
-    FOR location IN 
-      select nodes from planet_osm_ways where id = way_ids[j] LIMIT 1
-    LOOP
-      IF not (ARRAY[location.nodes] <@ searchnodes) THEN
-        searchnodes := searchnodes || location.nodes;
-      END IF;
-    END LOOP;
-  END LOOP;
-
-  RETURN QUERY select * from planet_osm_ways where nodes && searchnodes and NOT ARRAY[id] <@ way_ids;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
 
 CREATE OR REPLACE FUNCTION get_address_postcode(for_place_id BIGINT) RETURNS TEXT
   AS $$
@@ -2441,7 +2528,7 @@ BEGIN
       CASE WHEN class = 'place' and type = 'postcode' THEN hstore('name', postcode) ELSE name END as name,
       class, type, admin_level, true as fromarea, true as isaddress,
       CASE WHEN rank_address = 0 THEN 100 WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
-      0 as distance, calculated_country_code
+      0 as distance, calculated_country_code, postcode
       from placex
       where place_id = for_place_id 
   LOOP
@@ -2452,6 +2539,9 @@ BEGIN
     IF searchpostcode IS NOT NULL and location.type = 'postcode' THEN
       location.isaddress := FALSE;
     END IF;
+    IF searchpostcode IS NULL and location.postcode IS NOT NULL THEN
+      searchpostcode := location.postcode;
+    END IF;
     IF location.rank_address = 4 AND location.isaddress THEN
       hadcountry := true;
     END IF;
@@ -2472,7 +2562,9 @@ BEGIN
   FOR location IN 
     select placex.place_id, osm_type, osm_id,
       CASE WHEN class = 'place' and type = 'postcode' THEN hstore('name', postcode) ELSE name END as name,
-      class, type, admin_level, fromarea, isaddress,
+      CASE WHEN extratags ? 'place' THEN 'place' ELSE class END as class,
+      CASE WHEN extratags ? 'place' THEN extratags->'place' ELSE type END as type,
+      admin_level, fromarea, isaddress,
       CASE WHEN address_place_id = for_place_id AND rank_address = 0 THEN 100 WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
       distance,calculated_country_code,postcode
       from place_addressline join placex on (address_place_id = placex.place_id) 
@@ -2544,86 +2636,10 @@ END;
 $$
 LANGUAGE plpgsql;
 
-CREATE OR REPLACE FUNCTION get_place_boundingbox(search_place_id BIGINT) RETURNS place_boundingbox
-  AS $$
-DECLARE
-  result place_boundingbox;
-  numfeatures integer;
-BEGIN
-  select * from place_boundingbox into result where place_id = search_place_id;
-  IF result.place_id IS NULL THEN
--- remove  isaddress = true because if there is a matching polygon it always wins
-    select count(*) from place_addressline where address_place_id = search_place_id into numfeatures;
-    insert into place_boundingbox select place_id,
-             ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)),
-             ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)),
-             numfeatures, ST_Area(geometry),
-             geometry as area from location_area where place_id = search_place_id;
-    select * from place_boundingbox into result where place_id = search_place_id;
-  END IF;
-  IF result.place_id IS NULL THEN
--- TODO 0.0001
-    insert into place_boundingbox select address_place_id,
-             min(ST_Y(ST_Centroid(geometry))) as minlon,max(ST_Y(ST_Centroid(geometry))) as maxlon,
-             min(ST_X(ST_Centroid(geometry))) as minlat,max(ST_X(ST_Centroid(geometry))) as maxlat,
-             count(*), ST_Area(ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001)) as area,
-             ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001) as boundary 
-             from (select * from place_addressline where address_place_id = search_place_id order by cached_rank_address limit 4000) as place_addressline join placex using (place_id) 
-             where address_place_id = search_place_id
---               and (isaddress = true OR place_id = search_place_id)
-               and (st_length(geometry) < 0.01 or place_id = search_place_id)
-             group by address_place_id limit 1;
-    select * from place_boundingbox into result where place_id = search_place_id;
-  END IF;
-  return result;
-END;
-$$
-LANGUAGE plpgsql;
-
--- don't do the operation if it would be slow
-CREATE OR REPLACE FUNCTION get_place_boundingbox_quick(search_place_id BIGINT) RETURNS place_boundingbox
-  AS $$
-DECLARE
-  result place_boundingbox;
-  numfeatures integer;
-  rank integer;
-BEGIN
-  select * from place_boundingbox into result where place_id = search_place_id;
-  IF result IS NULL AND rank > 14 THEN
-    select count(*) from place_addressline where address_place_id = search_place_id and isaddress = true into numfeatures;
-    insert into place_boundingbox select place_id,
-             ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)),ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)),
-             ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)),ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)),
-             numfeatures, ST_Area(geometry),
-             geometry as area from location_area where place_id = search_place_id;
-    select * from place_boundingbox into result where place_id = search_place_id;
-  END IF;
-  IF result IS NULL THEN
-    select rank_search from placex where place_id = search_place_id into rank;
-    IF rank > 20 THEN
--- TODO 0.0001
-      insert into place_boundingbox select address_place_id,
-             min(ST_Y(ST_Centroid(geometry))) as minlon,max(ST_Y(ST_Centroid(geometry))) as maxlon,
-             min(ST_X(ST_Centroid(geometry))) as minlat,max(ST_X(ST_Centroid(geometry))) as maxlat,
-             count(*), ST_Area(ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001)) as area,
-             ST_Buffer(ST_Convexhull(ST_Collect(geometry)),0.0001) as boundary 
-             from place_addressline join placex using (place_id) 
-             where address_place_id = search_place_id 
-               and (isaddress = true OR place_id = search_place_id)
-               and (st_length(geometry) < 0.01 or place_id = search_place_id)
-             group by address_place_id limit 1;
-      select * from place_boundingbox into result where place_id = search_place_id;
-    END IF;
-  END IF;
-  return result;
-END;
-$$
-LANGUAGE plpgsql;
 
 CREATE OR REPLACE FUNCTION update_place(search_place_id BIGINT) RETURNS BOOLEAN
   AS $$
 DECLARE
-  result place_boundingbox;
   numfeatures integer;
 BEGIN
   update placex set 
@@ -2788,7 +2804,7 @@ DECLARE
 BEGIN
 
   place_centroid := ST_Centroid(pointgeo);
-  out_partition := get_partition(place_centroid, in_countrycode);
+  out_partition := get_partition(in_countrycode);
   out_parent_place_id := null;
 
   address_street_word_id := get_name_id(make_standard_name(in_street));
@@ -2903,14 +2919,14 @@ BEGIN
       wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/wiki/',E'\\2:');
       wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3}).wikipedia.org/w/index.php\\?title=',E'\\2:');
       wiki_article := regexp_replace(wiki_article,E'^(.*?)/([a-z]{2,3})/wiki/',E'\\2:');
-      wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3})[=:]',E'\\2:');
+      --wiki_article := regexp_replace(wiki_article,E'^(.*?)([a-z]{2,3})[=:]',E'\\2:');
       wiki_article := replace(wiki_article,' ','_');
-      wiki_article_title := trim(split_part(wiki_article, ':', 2));
-      IF wiki_article_title IS NULL OR wiki_article_title = '' THEN
+      IF strpos(wiki_article, ':') IN (3,4) THEN
+        wiki_article_language := lower(trim(split_part(wiki_article, ':', 1)));
+        wiki_article_title := trim(substr(wiki_article, strpos(wiki_article, ':')+1));
+      ELSE
         wiki_article_title := trim(wiki_article);
         wiki_article_language := CASE WHEN langs[i] = 'english' THEN 'en' WHEN langs[i] = 'country' THEN get_country_language_code(country_code) ELSE langs[i] END;
-      ELSE
-        wiki_article_language := lower(trim(split_part(wiki_article, ':', 1)));
       END IF;
 
       select wikipedia_article.language,wikipedia_article.title,wikipedia_article.importance
@@ -3062,6 +3078,7 @@ DECLARE
   diameter FLOAT;
   rank INTEGER;
 BEGIN
+  UPDATE placex SET indexed_status = 2 WHERE place_id = placeid;
   SELECT geometry, rank_search FROM placex WHERE place_id = placeid INTO placegeom, rank;
   IF placegeom IS NOT NULL AND ST_IsValid(placegeom) THEN
     IF ST_GeometryType(placegeom) in ('ST_Polygon','ST_MultiPolygon') THEN