Method ArraySelector

cpp/src/arrow/compute/kernels/vector_select_k.cc:193–202

class ArraySelector : public TypeVisitor {
 public:
  ArraySelector(ExecContext* ctx, const Array& array, const SelectKOptions& options,
                Datum* output)
      : TypeVisitor(),
        ctx_(ctx),
        array_(array),
        k_(options.k),
        order_(options.GetSortKeys()[0].order),
        null_placement_(options.GetSortKeys()[0].null_placement),
        physical_type_(GetPhysicalType(array.type())),
        output_(output) {}

  Status Run() { return physical_type_->Accept(this); }