make housenumber interpolation tests more lenient

[nominatim.git] / sql / functions / placex_triggers.sql

diff --git a/sql/functions/placex_triggers.sql b/sql/functions/placex_triggers.sql
index ad0f041de7a5b4c4f927f96e1eef616ed3fefa9c..8c9cfae120bf9666e7e35c1b964f78efb0fc6704 100644 (file)
--- a/sql/functions/placex_triggers.sql
+++ b/sql/functions/placex_triggers.sql
@@ -93,13 +93,15 @@ BEGIN
 
     IF fallback THEN
       IF addr_street is null and addr_place is not null THEN
-        -- The address is attached to a place we don't know. Find the
-        -- nearest place instead.
+        -- The address is attached to a place we don't know.
+        -- Instead simply use the containing area with the largest rank.
         FOR location IN
-          SELECT place_id FROM getNearFeatures(poi_partition, bbox, 26, '{}'::INTEGER[])
-            ORDER BY rank_address DESC, isguess asc, distance LIMIT 1
+          SELECT place_id FROM placex
+            WHERE bbox @ geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
+                  AND rank_address between 5 and 25
+            ORDER BY rank_address desc
         LOOP
-          parent_place_id := location.place_id;
+            RETURN location.place_id;
         END LOOP;
       ELSEIF ST_Area(bbox) < 0.005 THEN
         -- for smaller features get the nearest road
@@ -622,6 +624,21 @@ BEGIN
         NEW.rank_address := parent_address_level + 2;
       END IF;
     END IF;
+  -- If a place node is contained in a admin boundary with the same address level
+  -- and has not been linked, then make the node a subpart by increasing the
+  -- address rank (city level and above).
+  ELSEIF NEW.class = 'place' and NEW.osm_type = 'N'
+     and NEW.rank_address between 16 and 23
+  THEN
+    FOR location IN
+        SELECT rank_address FROM placex
+        WHERE osm_type = 'R' and class = 'boundary' and type = 'administrative'
+              and rank_address = NEW.rank_address
+              and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)
+        LIMIT 1
+    LOOP
+      NEW.rank_address = NEW.rank_address + 2;
+    END LOOP;
   ELSE
     parent_address_level := 3;
   END IF;