Jefffrey commented on code in PR #9274:
URL: https://github.com/apache/arrow-rs/pull/9274#discussion_r2756954286
##########
arrow-cast/src/cast/list.rs:
##########
@@ -212,6 +212,55 @@ where
Ok(Arc::new(array))
}
+pub(crate) fn cast_list_view_to_fixed_size_list<O: OffsetSizeTrait>(
+ array: &dyn Array,
+ field: &FieldRef,
+ size: i32,
+ cast_options: &CastOptions,
+) -> Result<ArrayRef, ArrowError> {
+ let array = array.as_list_view::<O>();
+
+ let nullable = cast_options.safe || array.null_count() != 0;
+ let mut nulls = nullable.then(|| {
Review Comment:
Raised #9339 to track potential `take` based approach
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