X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/a44377c7b07c8398c09079b56a743029b57be5a2..df008d99f549d850d07580b4592435388e44387c:/sql/functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index c779e826..1829c63d 100644
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -319,19 +319,31 @@ LANGUAGE plpgsql IMMUTABLE;
 CREATE OR REPLACE FUNCTION get_nearest_postcode(country VARCHAR(2), geom GEOMETRY) RETURNS TEXT
   AS $$
 DECLARE
-  item RECORD;
+  outcode TEXT;
+  cnt INTEGER;
 BEGIN
-    FOR item IN
-        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
-    LOOP
-        RETURN item.postcode;
-    END LOOP;
+    -- 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;
 
-    RETURN null;
+    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;
@@ -903,6 +915,9 @@ BEGIN
       ELSE
         NEW.rank_address := 0;
       END IF;
+    ELSEIF NEW.class = 'leisure' and NEW.type in ('park') THEN
+      NEW.rank_search := 24;
+      NEW.rank_address := 0;
     ELSEIF NEW.class = 'natural' and NEW.type in ('peak','volcano','mountain_range') THEN
       NEW.rank_search := 18;
       NEW.rank_address := 0;
@@ -1130,7 +1145,7 @@ BEGIN
                 NEW.startnumber := startnumber;
                 NEW.endnumber := endnumber;
                 NEW.linegeo := sectiongeo;
-                NEW.postcode := postcode;
+                NEW.postcode := upper(trim(postcode));
              ELSE
               insert into location_property_osmline
                      (linegeo, partition, osm_id, parent_place_id,
@@ -1340,7 +1355,7 @@ BEGIN
                 --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 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;
@@ -1545,13 +1560,15 @@ BEGIN
       --DEBUG: RAISE WARNING 'Got parent details from search name';
 
       -- determine postcode
-      IF NEW.address is not null AND NEW.address ? 'postcode' THEN
-          NEW.postcode = NEW.address->'postcode';
-      ELSE
-         SELECT postcode FROM placex WHERE place_id = NEW.parent_place_id INTO NEW.postcode;
-      END IF;
-      IF NEW.postcode is null THEN
-        NEW.postcode := get_nearest_postcode(NEW.country_code, place_centroid);
+      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
+             SELECT postcode FROM placex WHERE place_id = NEW.parent_place_id INTO NEW.postcode;
+          END IF;
+          IF NEW.postcode is null THEN
+            NEW.postcode := get_nearest_postcode(NEW.country_code, place_centroid);
+          END IF;
       END IF;
 
       -- If there is no name it isn't searchable, don't bother to create a search record
@@ -1569,7 +1586,7 @@ BEGIN
       -- 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, NEW.address->'postcode', NEW.geometry);
+        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;
 
@@ -1740,7 +1757,7 @@ BEGIN
   END IF;
 
   -- make sure all names are in the word table
-  IF NEW.admin_level = 2 AND NEW.class = 'boundary' AND NEW.type = 'administrative' AND NEW.country_code IS NOT NULL THEN
+  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;
@@ -1930,7 +1947,7 @@ BEGIN
 
   IF NEW.address is not null AND NEW.address ? 'postcode' 
      AND NEW.address->'postcode' not similar to '%(,|;)%' THEN
-    NEW.postcode := NEW.address->'postcode';
+    NEW.postcode := upper(trim(NEW.address->'postcode'));
   END IF;
 
   IF NEW.postcode is null AND NEW.rank_search > 8 THEN
@@ -1941,7 +1958,7 @@ BEGIN
   IF NEW.name IS NOT NULL THEN
 
     IF NEW.rank_search <= 25 and NEW.rank_address > 0 THEN
-      result := add_location(NEW.place_id, NEW.country_code, NEW.partition, name_vector, NEW.rank_search, NEW.rank_address, NEW.address->'postcode', NEW.geometry);
+      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;
 
@@ -2183,7 +2200,9 @@ BEGIN
 
     -- To paraphrase, if there isn't an existing item, OR if the admin level has changed
     IF existingplacex.osm_type IS NULL OR
-      (coalesce(existingplacex.admin_level, 15) != coalesce(NEW.admin_level, 15) AND existingplacex.class = 'boundary' AND existingplacex.type = 'administrative')
+        (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
@@ -2492,7 +2511,7 @@ BEGIN
       from place_addressline join placex on (address_place_id = placex.place_id) 
       where place_addressline.place_id = for_place_id 
       and (cached_rank_address > 0 AND cached_rank_address < searchrankaddress)
-      and address_place_id != for_place_id
+      and address_place_id != for_place_id 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
