Method InferLength

cpp/src/arrow/compute/exec.cc:201–213

}  // namespace

Result<int64_t> ExecBatch::InferLength(const std::vector<Datum>& values) {
  const int64_t length = DoInferLength(values);
  switch (length) {
    case kInvalidValues:
      return Status::Invalid(
          "Arrays used to construct an ExecBatch must have equal length");
    case kEmptyInput:
      return Status::Invalid("Cannot infer ExecBatch length without at least one value");
    default:
      break;
  }
  return {length};
}

Result<ExecBatch> ExecBatch::Make(std::vector<Datum> values, int64_t length) {
  // Infer the length again and/or validate the given length.