Method ValidateDenseUnion

cpp/src/arrow/scalar.cc:456–465

  }

  Status ValidateDenseUnion(const DenseUnionScalar& s, int child_id) {
    const auto& union_type = checked_cast<const DenseUnionType&>(*s.type);
    const auto& field_type = *union_type.field(child_id)->type();
    if (!field_type.Equals(*s.value->type)) {
      return Status::Invalid(s.type->ToString(), " scalar with type code ", s.type_code,
                             " should have an underlying value of type ",
                             field_type.ToString(), ", got ", s.value->type->ToString());
    }
    return ValidateValue(s, *s.value);
  }

  Status ValidateSparseUnion(const SparseUnionScalar& s) {
    const auto& union_type = checked_cast<const SparseUnionType&>(*s.type);