comphead commented on code in PR #22158:
URL: https://github.com/apache/datafusion/pull/22158#discussion_r3237716772
##########
datafusion/common/src/utils/mod.rs:
##########
@@ -1142,17 +1141,18 @@ fn truncate_list_nulls<O: OffsetSizeTrait>(
&Int64Array::new_scalar(0)
};
- let not_empty = neq(&lengths, zero)?;
- let null_and_non_empty = &!nulls.inner() & not_empty.values();
+ let empty = arrow::compute::kernels::cmp::eq(&lengths, zero)?;
+ let valid_or_empty = empty.values() | nulls.inner();
+ let valid_or_empty = BooleanArray::from(valid_or_empty);
Review Comment:
I was thinking can we optimize even more and avoid allocating BooleanArray
here?
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