Dandandan commented on code in PR #8953:
URL: https://github.com/apache/arrow-rs/pull/8953#discussion_r2609938319
##########
arrow-select/src/interleave.rs:
##########
@@ -312,6 +314,47 @@ fn interleave_struct(
Ok(Arc::new(struct_array))
}
+fn interleave_list<O: OffsetSizeTrait>(
+ values: &[&dyn Array],
+ indices: &[(usize, usize)],
+ field: &FieldRef,
+) -> Result<ArrayRef, ArrowError> {
+ let interleaved = Interleave::<'_, GenericListArray<O>>::new(values,
indices);
+
+ let mut child_indices = Vec::new();
+ let mut offsets = Vec::with_capacity(indices.len() + 1);
+ offsets.push(O::from_usize(0).unwrap());
+
+ for (array, row) in indices {
+ let list = interleaved.arrays[*array];
+ let start = list.value_offsets()[*row].as_usize();
+ let end = list.value_offsets()[*row + 1].as_usize();
+
+ for child_idx in start..end {
Review Comment:
This can use `extend`
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
