felipecrv commented on code in PR #39772:
URL: https://github.com/apache/arrow/pull/39772#discussion_r1470096678
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cpp/src/arrow/device.h:
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@@ -363,4 +363,22 @@ class ARROW_EXPORT CPUMemoryManager : public MemoryManager
{
ARROW_EXPORT
std::shared_ptr<MemoryManager> default_cpu_memory_manager();
+/// \brief Copy all buffers of an array to destination MemoryManager
+///
+/// This utilizes MemoryManager::CopyBuffer to create a new Array recursively
copying
+/// all buffers, and all children buffers, to the destination MemoryManager.
This
+/// includes any dictionaries if applicable.
+ARROW_EXPORT
+Result<std::shared_ptr<Array>> CopyArrayTo(const Array& array,
Review Comment:
This might be a bad idea without a guarantee that all buffers making up an
array or RecordBatch are on the same device. :/
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