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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/12 11:23:18 UTC

[GitHub] [arrow] pitrou commented on a change in pull request #10270: ARROW-12598: [C++][Dataset] Speed up CountRows for CSV

pitrou commented on a change in pull request #10270:
URL: https://github.com/apache/arrow/pull/10270#discussion_r630951509



##########
File path: cpp/src/arrow/csv/options.h
##########
@@ -101,6 +101,9 @@ struct ARROW_EXPORT ConvertOptions {
   /// or null by default)
   /// This option is ignored if `include_columns` is empty.
   bool include_missing_columns = false;
+  /// If true, no columns are decoded (record batches will have a row count and no
+  /// columns). This is useful if you need only a row count.
+  bool skip_decoding = false;

Review comment:
       I'd rather if you exposed a separate API. Is it easily doable?




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