kawadakk opened a new issue, #4634:
URL: https://github.com/apache/arrow-rs/issues/4634
**Describe the bug**
`arrow::compute::nullif` may panic if the input array is of type
`DataType::Null`.
**To Reproduce**
```rust
assert_eq!(
as_null_array(
&nullif(
&NullArray::new(3),
&BooleanArray::from(vec![Some(false), Some(true), None]),
)
.unwrap()
),
&NullArray::new(3)
);
```
```
thread '...' panicked at 'NullArray data should not contain a null buffer,
as no buffers are required', arrow-array\src\array\null_array.rs:149:9
stack backtrace:
0: rust_begin_unwind
at
/rustc/864bdf7843e1ceabc824ed86d97006acad6af643/library\std\src/panicking.rs:617:5
1: core::panicking::panic_fmt
at
/rustc/864bdf7843e1ceabc824ed86d97006acad6af643/library\core\src/panicking.rs:67:14
2: <arrow_array::array::null_array::NullArray as
core::convert::From<arrow_data::data::ArrayData>>::from
at ...\arrow-rs\arrow-array\src\array\null_array.rs:149:9
3: arrow_array::array::make_array
at ...\arrow-rs\arrow-array\src\array\mod.rs:580:36
4: arrow_select::nullif::nullif
at .\src\nullif.rs:96:8
```
**Expected behavior**
Not panicking
**Additional context**
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