lidavidm commented on a change in pull request #11127:
URL: https://github.com/apache/arrow/pull/11127#discussion_r707565450
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File path: cpp/src/arrow/array/array_nested.h
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@@ -292,6 +292,13 @@ class ARROW_EXPORT FixedSizeListArray : public Array {
return values_->Slice(value_offset(i), value_length(i));
}
+ /// \brief Return an Array that is a concatenation of the lists in this
array.
+ ///
+ /// Note that it's different from `values()` in that it takes into
+ /// consideration null elements (they are skipped, thus copying may be
needed).
+ Result<std::shared_ptr<Array>> Flatten(
+ MemoryPool* memory_pool = default_memory_pool()) const;
Review comment:
Done.
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