jonathan-albrecht-ibm opened a new pull request, #49737:
URL: https://github.com/apache/spark/pull/49737
### What changes were proposed in this pull request?
Write the month and days fields of intervals with one call to
Platform.put/getLong() instead of two calls to Platform.put/getInt().
In commit ac07cea234f4fb687442aafa8b6d411695110a4e there was a performance
improvement to reading a writing CalendarIntervals in UnsafeRow. This makes
writing intervals consistent with UnsafeRow and has better performance compared
to the original code.
This also fixes big endian platforms where the old (two calls to getput) and
new methods of reading and writing CalendarIntervals do not order the bytes in
the same way. Currently CalendarInterval related tests in Catalyst and SQL are
failing on big endian platforms.
There is no effect on little endian platforms (byte order is not affected)
except for performance improvement.
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### Why are the changes needed?
* Improves performance reading and writing CalendarIntervals in Unsafe*
classes
* Fixes big endian platforms where CalendarIntervals are not read or written
correctly in Unsafe* classes
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### Does this PR introduce _any_ user-facing change?
No
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### How was this patch tested?
Existing unit tests on big and little endian platforms
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### Was this patch authored or co-authored using generative AI tooling?
No
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