[GitHub] [arrow] jorisvandenbossche commented on a change in pull request #9725: ARROW-8631: [C++][Python][Dataset] Add ReadOptions to CsvFileFormat, expose options to python

[GitBox <gi...@apache.org>]

jorisvandenbossche commented on a change in pull request #9725:
URL: https://github.com/apache/arrow/pull/9725#discussion_r596904581



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File path: cpp/src/arrow/dataset/scanner.h
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@@ -240,6 +240,9 @@ class ARROW_DS_EXPORT ScannerBuilder {
   /// \brief Set the pool from which materialized and scanned arrays will be allocated.
   Status Pool(MemoryPool* pool);
 
+  /// \brief Set fragment-specific scan options.
+  Status FragmentScanOptions(std::shared_ptr<FragmentScanOptions> fragment_scan_options);

Review comment:
       Just ScanOptions instead of FragmentScanOptions might be more descriptive? Because it's not that this can be set for each fragment. It's the same for all fragments *for one scan*. 




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