tustvold opened a new issue, #1599:
URL: https://github.com/apache/arrow-rs/issues/1599
**Describe the bug**
The handling of null masks in the ArrayData comparisons does not take into
account the ArrayData offset, leading to incorrect results.
**To Reproduce**
```
#[test]
fn test_offset() {
let a = Int32Array::from(vec![Some(1), Some(2), None, Some(0)]);
let b = Int32Array::from(vec![Some(4), Some(5), Some(0), None]);
assert_ne!(a.data().slice(2, 2), b.data().slice(2, 2));
}
```
**Expected behavior**
The equality comparisons should produce correct results on ArrayData slices
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