Method updateSelected

c++/src/Reader.cc:173–198

  }

  void ColumnSelector::updateSelected(std::vector<bool>& selectedColumns,
                                      const RowReaderOptions& options) {
    selectedColumns.assign(static_cast<size_t>(contents_->footer->types_size()), false);
    if (contents_->schema->getKind() == STRUCT && options.getIndexesSet()) {
      for (std::list<uint64_t>::const_iterator field = options.getInclude().begin();
           field != options.getInclude().end(); ++field) {
        updateSelectedByFieldId(selectedColumns, *field);
      }
    } else if (contents_->schema->getKind() == STRUCT && options.getNamesSet()) {
      for (std::list<std::string>::const_iterator field = options.getIncludeNames().begin();
           field != options.getIncludeNames().end(); ++field) {
        updateSelectedByName(selectedColumns, *field);
      }
    } else if (options.getTypeIdsSet()) {
      const RowReaderOptions::IdReadIntentMap idReadIntentMap = options.getIdReadIntentMap();
      for (std::list<uint64_t>::const_iterator typeId = options.getInclude().begin();
           typeId != options.getInclude().end(); ++typeId) {
        updateSelectedByTypeId(selectedColumns, *typeId, idReadIntentMap);
      }
    } else {
      // default is to select all columns
      std::fill(selectedColumns.begin(), selectedColumns.end(), true);
    }
    selectParents(selectedColumns, *contents_->schema.get());
    selectedColumns[0] = true;  // column 0 is selected by default
  }

  void ColumnSelector::updateSelectedByFieldId(std::vector<bool>& selectedColumns,
                                               uint64_t fieldId) {