Method InitColumnOrders

cpp/src/parquet/metadata.cc:1035–1052

  }

  void InitColumnOrders() {
    // update ColumnOrder
    std::vector<parquet::ColumnOrder> column_orders;
    if (metadata_->__isset.column_orders) {
      column_orders.reserve(metadata_->column_orders.size());
      for (auto& column_order : metadata_->column_orders) {
        if (column_order.__isset.TYPE_ORDER) {
          column_orders.push_back(ColumnOrder::type_defined_);
        } else {
          column_orders.push_back(ColumnOrder::unknown_);
        }
      }
    } else {
      column_orders.resize(schema_.num_columns(), ColumnOrder::undefined_);
    }

    schema_.updateColumnOrders(column_orders);
  }

  void InitKeyValueMetadata() {
    key_value_metadata_ = FromThriftKeyValueMetadata(*metadata_);