Avoid duplicate boundaries in materialized view and order scores by date.
Avoid duplicate boundaries in materialized view and order scores by date.

thomaskonrad/osm_austria_building_coverage,thomaskonrad/osm_austria_building_coverage,thomaskonrad/osm-austria-building-coverage,thomaskonrad/osm_austria_building_coverage,thomaskonrad/osm_austria_building_coverage,thomaskonrad/osm-austria-building-coverage,thomaskonrad/osm-austria-building-coverage,thomaskonrad/osm-austria-building-coverage