bjchambers opened a new issue #1049:
URL: https://github.com/apache/arrow-rs/issues/1049
**Describe the bug**
```
#[test]
fn test_take_slice_string() {
let strings =
StringArray::from(vec![Some("hello"), None, Some("world"), None,
Some("hi")]);
let indices = Int32Array::from(vec![Some(0), Some(1), None, Some(0),
Some(2)]);
let indices_slice = indices.slice(1, 4);
let indices_slice = indices_slice
.as_ref()
.as_any()
.downcast_ref::<Int32Array>()
.unwrap();
let expected = StringArray::from(vec![None, None, Some("hello"),
Some("world")]);
let result = take(&strings, indices_slice, None).unwrap();
assert_eq!(result.as_ref(), &expected);
}
```
```
thread 'compute::kernels::take::tests::test_take_slice_string' panicked at
'assertion failed: `(left == right)`
left: `StringArray
[
null,
null,
null,
"world",
]`,
right: `StringArray
[
null,
null,
"hello",
"world",
]`', arrow/src/compute/kernels/take.rs:1950:9
```
**To Reproduce**
See test. It looks like the null bits aren't being properly shifted when
used in the take kernel.
**Expected behavior**
Test passes.
**Additional context**
Add any other context about the problem here.
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