Jefffrey commented on code in PR #10046:
URL: https://github.com/apache/arrow-rs/pull/10046#discussion_r3569181094
##########
arrow-select/src/interleave.rs:
##########
@@ -513,6 +517,81 @@ fn interleave_list<O: OffsetSizeTrait>(
Ok(Arc::new(list_array))
}
+fn interleave_fixed_size_list(
+ values: &[&dyn Array],
+ indices: &[(usize, usize)],
+ field: &FieldRef,
+ size: i32,
+) -> Result<ArrayRef, ArrowError> {
+ let interleaved = Interleave::<'_, FixedSizeListArray>::new(values,
indices);
+ let capacity = indices.len() * size as usize;
+
+ macro_rules! fsl_primitive_helper {
+ ($t:ty) => {
+ interleave_list_like_primitive_child::<FixedSizeListArray, $t>(
+ &interleaved,
+ indices,
+ capacity,
+ field.data_type(),
+ )
+ };
+ }
+
+ let interleaved_values = downcast_primitive! {
+ field.data_type() => (fsl_primitive_helper),
+ _ => {
+ interleave_list_like_child(&interleaved, indices, capacity)?
+ }
+ };
+
+ let array = FixedSizeListArray::new(field.clone(), size,
interleaved_values, interleaved.nulls);
+ Ok(Arc::new(array))
+}
+
+fn interleave_map(
+ values: &[&dyn Array],
+ indices: &[(usize, usize)],
+ field: &FieldRef,
+ ordered: bool,
+) -> Result<ArrayRef, ArrowError> {
+ let interleaved = Interleave::<'_, MapArray>::new(values, indices);
+
+ let mut capacity = 0usize;
+ let mut offsets = Vec::with_capacity(indices.len() + 1);
Review Comment:
My suggestion to use the builder was actually not correct since it seems vec
is preferred for performance anyway 😅
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