Method GroupNode

cpp/src/parquet/schema.cc:317–333

// Group node

GroupNode::GroupNode(const std::string& name, Repetition::type repetition,
                     const NodeVector& fields, ConvertedType::type converted_type, int id)
    : Node(Node::GROUP, name, repetition, converted_type, id), fields_(fields) {
  // For forward compatibility, create an equivalent logical type
  logical_type_ = LogicalType::FromConvertedType(converted_type_);
  if (!(logical_type_ && (logical_type_->is_nested() || logical_type_->is_none()) &&
        logical_type_->is_compatible(converted_type_))) {
    ThrowInvalidLogicalType(*logical_type_);
  }

  field_name_to_idx_.clear();
  auto field_idx = 0;
  for (NodePtr& field : fields_) {
    field->SetParent(this);
    field_name_to_idx_.emplace(field->name(), field_idx++);
  }
}

GroupNode::GroupNode(const std::string& name, Repetition::type repetition,
                     const NodeVector& fields,