text: -- Revert nz-buildings:buildings_reference/functions/pond_polygons from pg
  
  BEGIN;
  
  DROP FUNCTION buildings_reference.pond_polygons_delete_by_external_id(integer);
  
  DROP FUNCTION buildings_reference.pond_polygons_insert(integer, varchar);
  
  DROP FUNCTION buildings_reference.pond_polygons_update_shape_by_external_id(integer, varchar);
  
  COMMIT;
  