public static Object[] ordinalArray(Iterator tuples,String field){
  return DataLib.ordinalArray(tuples,field,DefaultLiteralComparator.getInstance());
}

public static Object [ ] ordinalArray ( Iterator tuples , String field ) { return DataLib . ordinalArray ( tuples , field , DefaultLiteralComparator . getInstance ( ) ) ; }
get a sorted array containing all column values for a given tuple iterator and field .
