lidavidm commented on a change in pull request #12560: URL: https://github.com/apache/arrow/pull/12560#discussion_r822002301
########## File path: cpp/src/arrow/dataset/scanner.cc ########## @@ -877,6 +882,15 @@ Result<compute::ExecNode*> MakeScanNode(compute::ExecPlan* plan, batch->values.emplace_back(partial.fragment.index); batch->values.emplace_back(partial.record_batch.index); batch->values.emplace_back(partial.record_batch.last); + + auto filefragment_casted = dynamic_cast<const FileFragment*>( + partial.fragment.value.get()); + if (filefragment_casted != nullptr) { + batch->values.emplace_back(filefragment_casted->ToString()); + } else { + batch->values.emplace_back("Not a file fragment"); Review comment: Sorry, I meant that I think this should directly get the file path if it is a file fragment, and use ToString() otherwise. (Or `"Not a file fragment: " + fragment->ToString()`) -- 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