Merge remote-tracking branch 'upstream/master'

[nominatim.git] / sql / functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 488d340f09958250ab1f5ff0d725896bacc5dc5a..ac726cb331a66366a090073bcd87fa260cb5c8e5 100644 (file)
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -1377,12 +1377,12 @@ BEGIN
 
     -- 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
+        FOR relation IN select * from planet_osm_rels r where r.id = NEW.osm_id and r.parts != array[]::bigint[]
         LOOP
-            FOR i IN relation.way_off+1..relation.rel_off LOOP
-                IF relation.members[2*i] in ('', 'main_stream') THEN
+            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 = relation.parts[i] and class = NEW.class and type = NEW.type
+                  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;