val query1 = radnik.filter { it =>
        List(
          ime.map(it.ime === _).getOrElse(it.ime =!= ""),
          prz.map(it.prz === _).getOrElse(it.prz =!= "")).reduceLeft(_ || _)
      }

      val query2 = for (
        r <- radnik if List(ime.map(r.ime === _).getOrElse(r.ime =!= ""),
          prz.map(r.prz === _).getOrElse(r.prz =!= "")).reduceLeft(_ || _)
      ) yield r

      println(query1.selectStatement)
      println(query2.selectStatement)


select x2.`Mbr`, x2.`Ime`, x2.`Prz`, x2.`Sef`, x2.`Plt`, x2.`Pre`, x2.`God` from `radnik` x2 where (x2.`Ime` = '%E%') or (not (x2.`Prz` = ''))