Method GetDictionaryBlock

cpp/src/arrow/ipc/reader.cc:1635–1637

  }

  Result<FileBlock> GetDictionaryBlock(int i) const {
    return FileBlockFromFlatbuffer(footer_->dictionaries()->Get(i), footer_offset_);
  }

  Result<std::unique_ptr<Message>> ReadMessageFromBlock(
      const FileBlock& block, const FieldsLoaderFunction& fields_loader = {}) {