jonahgao opened a new issue, #5642:
URL: https://github.com/apache/arrow-rs/issues/5642
**Describe the bug**
thread 'main' panicked at arrow-data-51.0.0/src/transform/mod.rs:66:14:
MutableArrayData not nullable
**To Reproduce**
When the `safe` option is false and the source array contains a null list.
```rust
use arrow::array::{ArrayRef, ListArray};
use arrow::compute::{cast_with_options, CastOptions};
use arrow::datatypes::{DataType, Field, Int32Type};
use std::sync::Arc;
fn main() {
let list =
ListArray::from_iter_primitive::<Int32Type, _,
_>(vec![Some(vec![Some(1), Some(2)]), None]);
let array = Arc::new(list.clone()) as ArrayRef;
let field = Arc::new(Field::new("item", DataType::Int32, true));
let options = CastOptions {
safe: false,
..Default::default()
};
cast_with_options(
array.as_ref(),
&DataType::FixedSizeList(field.clone(), 2),
&options,
)
.unwrap();
}
```
**Expected behavior**
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**Additional context**
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