text: SELECT
      ogc_fid AS t_id,
      CASE
          WHEN belag = 1 
              THEN 'Asphalt' 
          WHEN belag = 2 
              THEN 'Mergel' 
          WHEN belag = 3 
              THEN 'Holzkasten' 
      END AS belag,
      wkb_geometry AS geometrie,
      werkeigentuemer,
      letzte_pwi
  FROM
      alw_bergwege
  WHERE
      archive = 0
  ;
  