pitrou commented on a change in pull request #9613:
URL: https://github.com/apache/arrow/pull/9613#discussion_r591550643
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File path: cpp/src/arrow/io/caching.h
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@@ -99,6 +100,9 @@ class ARROW_EXPORT ReadRangeCache {
/// \brief Read a range previously given to Cache().
Result<std::shared_ptr<Buffer>> Read(ReadRange range);
+ /// \brief Wait until all ranges added so far have been cached.
+ Future<> Wait();
Review comment:
Fair enough :-)
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