--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;