[jira] [Created] (ARROW-18119) [C++] Utility method to ensure an array object meetings an alignment requirement

["Weston Pace (Jira)" <ji...@apache.org>]

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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