From: Sarah Hoffmann <lonvia@denofr.de>
Date: Wed, 30 Apr 2014 18:05:59 +0000 (+0200)
Subject: address inheritance from buildings to pois
X-Git-Tag: v2.3.0~46
X-Git-Url: https://git.openstreetmap.org./nominatim.git/commitdiff_plain/ffe24a8a64fbdd329e282260ed154d7ffa40a9f5

address inheritance from buildings to pois

POI nodes inherit the address tags from surrounding buildings
if they do not have an address of their own.
---

diff --git a/sql/functions.sql b/sql/functions.sql
index efacf521..f6ff3caa 100644
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -1422,6 +1422,16 @@ BEGIN
       -- 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
 
+        -- if there is no address information, see if we can get it from a surrounding building
+        IF 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 rank_search > 28 and (housenumber is not null or street is not null or addr_place is not null) AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
+          LOOP
+            NEW.housenumber := location.housenumber;
+            NEW.street := location.street;
+            NEW.addr_place := location.addr_place;
+          END LOOP;
+        END IF;
+
         -- 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]
         LOOP