wgtmac commented on code in PR #34961: URL: https://github.com/apache/arrow/pull/34961#discussion_r1164904468
########## cpp/src/arrow/testing/random.cc: ########## @@ -916,14 +916,14 @@ std::shared_ptr<Array> RandomArrayGenerator::ArrayOf(const Field& field, int64_t case Type::type::STRUCT: { ArrayVector child_arrays(field.type()->num_fields()); - std::vector<std::string> field_names; + FieldVector child_fields; for (int i = 0; i < field.type()->num_fields(); i++) { const auto& child_field = field.type()->field(i); child_arrays[i] = ArrayOf(*child_field, length, alignment, memory_pool); - field_names.push_back(child_field->name()); + child_fields.push_back(child_field); } return *StructArray::Make( - child_arrays, field_names, + child_arrays, child_fields, Review Comment: I just realized that `DataType` does not know the nullability but `Field` does. Thanks for reminding me! @lidavidm -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org