code: public final Collection<Map<String, ?>> getData()
          throws EFapsException
      {
          final Collection<Map<String, ?>> ret = new ArrayList<>();
          while (next()) {
              final Map<String, ?> map = new LinkedHashMap<>();
              int idx = 1;
              for (final Select select : this.selection.getSelects()) {
                  final String key = select.getAlias() == null ? String.valueOf(idx) : select.getAlias();
                  map.put(key, get(select));
                  idx++;
              }
              ret.add(map);
          }
          return ret;
      }
docs: Gets the data.
  
  @return the data
  @throws EFapsException the e faps exception