westonpace commented on a change in pull request #10061:
URL: https://github.com/apache/arrow/pull/10061#discussion_r616033594
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File path: cpp/src/arrow/dataset/scanner.h
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@@ -152,6 +152,9 @@ class ARROW_DS_EXPORT ScanTask {
/// resulting from the Scan. Execution semantics are encapsulated in the
/// particular ScanTask implementation
virtual Result<RecordBatchIterator> Execute() = 0;
Review comment:
Also, this will probably only be needed for CSV. With parquet & IPC you
created the async version in parallel with the sync verison. With CSV there is
just one (async) code path.
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