Weston Pace created ARROW-18119:
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Summary: [C++] Utility method to ensure an array object meetings
an alignment requirement
Key: ARROW-18119
URL: https://issues.apache.org/jira/browse/ARROW-18119
Project: Apache Arrow
Issue Type: Sub-task
Components: C++
Reporter: Weston Pace
This would look something like:
EnsureAligned(Buffer|Array|ChunkedArray|RecordBatch|Table, int
minimum_alignment, MemoryPool* memory_pool);
It would fail if MemoryPool's alignment < minimum_alignment
It would iterate through each buffer of the object, if the object is not
aligned properly, it would reallocate and copy the buffer (using memory_pool)
It would return a new object where every buffer is guaranteed to meet the
alignment requirements.
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