westonpace commented on a change in pull request #9607:
URL: https://github.com/apache/arrow/pull/9607#discussion_r604065452
##########
File path: cpp/src/arrow/dataset/file_parquet.cc
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@@ -364,7 +367,8 @@ Result<ScanTaskIterator>
ParquetFileFormat::ScanFile(std::shared_ptr<ScanOptions
reader_options.io_context, reader_options.cache_options, options,
context);
}
- return MakeVectorIterator(std::move(tasks));
Review comment:
This feature is only adding the tooling for async. It doesn't actually
add support for IPC or Parquet yet. So at the moment both of those readers are
synchronous.
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