Merge remote-tracking branch 'upstream/master'

[nominatim.git] / sql / functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 976c73f22bdc912851a435cbeb3c8e188b2f6e64..d86f4a9be321dfb69e8d07847a13ac4e8670199c 100644 (file)
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -1141,7 +1141,11 @@ BEGIN
     ELSEIF NEW.class = 'waterway' AND NEW.name is NULL THEN
       RETURN NULL;
     ELSEIF NEW.class = 'waterway' THEN
-      NEW.rank_search := 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;
@@ -1371,6 +1375,22 @@ BEGIN
     END IF;
     NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
 
+    -- 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 IN select * from planet_osm_rels r where r.id = NEW.osm_id
+        LOOP
+            FOR i IN 1..array_upper(relation.members, 1) BY 2 LOOP
+                IF relation.members[i+1] in ('', 'main_stream') AND substring(relation.members[i],1,1) = 'w' THEN
+                  --DEBUG: RAISE WARNING 'waterway parent %, child %/%', NEW.osm_id, i, relation.parts[i];
+                  FOR location IN SELECT * FROM placex WHERE osm_type = 'W' and osm_id = substring(relation.members[i],2,200)::bigint and class = NEW.class and type = NEW.type
+                  LOOP
+                    UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = location.place_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); 
 
@@ -1483,13 +1503,10 @@ BEGIN
           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
+          -- Slightly less strict then above because data is copied from any object.
+          IF NEW.street IS NULL AND NEW.addr_place IS 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;
           END IF;
 
@@ -2486,7 +2503,7 @@ 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
@@ -2497,6 +2514,9 @@ 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;
@@ -2517,7 +2537,9 @@ 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)