markhildreth opened a new pull request #7006:
URL: https://github.com/apache/arrow/pull/7006
Potentially Fixes ARROW-8508
Fixed size list arrays sourced with a non-zero offset of their
child data was respecting this offset when calculating value offsets
in the `value_offset` method, but not in the `value` method. This would
cause nested fixed list arrays that should have looked like this:
```
[
[ [0, 1] ],
[ [2, 3], [4, 5] ]
]
```
...to behave like this when looking directly at the values...
```
[
[ [0, 1] ],
[ [0, 1], [2, 3] ],
]
```
This is different to how ListArray would do things (which respect the offset
in both methods). This PR makes the change. Additionally, it adds a failing
test case for this, as well as a passing test case for similar cases, including
on ListArray.
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