Function WriteRecordBatch

cpp/src/arrow/integration/json_internal.cc:2058–2077

}

Status WriteRecordBatch(const RecordBatch& batch, RjWriter* writer) {
  writer->StartObject();
  writer->Key("count");
  writer->Int(static_cast<int32_t>(batch.num_rows()));

  writer->Key("columns");
  writer->StartArray();

  for (auto [column, i] : Zip(batch.columns(), Enumerate<int>)) {
    DCHECK_EQ(batch.num_rows(), column->length())
        << "Array length did not match record batch length: " << batch.num_rows()
        << " != " << column->length() << " " << batch.column_name(i);

    RETURN_NOT_OK(WriteArray(batch.column_name(i), *column, writer));
  }

  writer->EndArray();
  writer->EndObject();
  return Status::OK();
}

Status WriteArray(const std::string& name, const Array& array, RjWriter* json_writer) {
  ArrayWriter converter(name, array, json_writer);