felipecrv commented on code in PR #42133:
URL: https://github.com/apache/arrow/pull/42133#discussion_r1645224429
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cpp/src/arrow/array/array_base.h:
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@@ -232,6 +232,14 @@ class ARROW_EXPORT Array {
/// \return DeviceAllocationType
DeviceAllocationType device_type() const { return data_->device_type(); }
+ /// \brief Return the statistics of this Array
+ ///
+ /// This just delegates to calling statistics on the underlying ArrayData
+ /// object which backs this Array.
+ ///
+ /// \return const ArrayStatistics&
+ const ArrayStatistics& statistics() const { return data_->statistics; }
Review Comment:
> How about attaching the statistics read by a file reader to Array (not
ArrayData) directly?
Makes more sense. Perhaps even attach it only to the typed array classes and
not `Array` itself.
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