chenkovsky opened a new pull request, #17673:
URL: https://github.com/apache/datafusion/pull/17673
## Which issue does this PR close?
```
statement ok
CREATE TABLE test_reverse_fixed_size AS VALUES
(arrow_cast([1, 2, 3], 'FixedSizeList(3, Int64)')),
(arrow_cast([4, 5, 6], 'FixedSizeList(3, Int64)')),
(arrow_cast([NULL, 8, 9], 'FixedSizeList(3, Int64)')),
(NULL);
query ?
SELECT array_sort(reverse(column1)) FROM test_reverse_fixed_size;
----
[3, 2, 1]
[6, 5, 4]
[9, 8, NULL]
NULL
```
Invalid argument error: Incorrect length of null buffer for
FixedSizeListArray, expected 3 got 4
## Rationale for this change
null padding for fixed size list is incorrect in array_reverse.
## What changes are included in this PR?
update null padding.
## Are these changes tested?
UT
## Are there any user-facing changes?
No
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