Function DoNonZero

cpp/src/arrow/compute/kernels/vector_selection.cc:262–270

};

Status DoNonZero(const std::vector<ArraySpan>& arrays, int64_t total_length,
                 std::shared_ptr<ArrayData>* out) {
  UInt64Builder builder;
  RETURN_NOT_OK(builder.Reserve(total_length));

  NonZeroVisitor visitor(&builder, arrays);
  RETURN_NOT_OK(VisitTypeInline(*arrays[0].type, &visitor));
  return builder.FinishInternal(out);
}

Status IndicesNonZeroExec(KernelContext* ctx, const ExecSpan& batch, ExecResult* out) {
  std::shared_ptr<ArrayData> result;