lidavidm commented on a change in pull request #11466:
URL: https://github.com/apache/arrow/pull/11466#discussion_r741305621
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File path: cpp/src/arrow/array/array_nested.h
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@@ -370,6 +370,13 @@ class ARROW_EXPORT StructArray : public Array {
/// \param[in] pool The pool to allocate null bitmaps from, if necessary
Result<ArrayVector> Flatten(MemoryPool* pool = default_memory_pool()) const;
+ /// \brief Get one of the child arrays, adjusting the null bitmap if
necessary.
+ ///
+ /// \param[in] index Which child array to get
+ /// \param[in] pool The pool to allocate null bitmaps from, if necessary
+ Result<std::shared_ptr<Array>> Flatten(int index,
Review comment:
Updated this and fixed the copy above to use std::copy.
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