Use osml10n functions for transportation name tags

layers/transportation_name/name.sql

@@ -0,0 +1,7 @@
+DO $$
+BEGIN
+  update osm_highway_linestring SET tags = slice_language_tags(tags) || get_basic_names(tags, geometry);
+  update osm_railway_linestring SET tags = slice_language_tags(tags) || get_basic_names(tags, geometry);
+  update osm_aerialway_linestring SET tags = slice_language_tags(tags) || get_basic_names(tags, geometry);
+  update osm_shipway_linestring SET tags = slice_language_tags(tags) || get_basic_names(tags, geometry);
+END $$;

layers/transportation_name/transportation_name.yaml

@@ -76,6 +76,7 @@ layer:
     srid: 900913
     query: (SELECT geometry, name, name_en, name_de, {name_languages}, ref, ref_length, network::text, class::text, subclass, layer, level, indoor FROM layer_transportation_name(!bbox!, z(!scale_denominator!))) AS t
 schema:
+  - ./name.sql
   - ./network_type.sql
   - ./update_route_member.sql
   - ./update_transportation_name.sql