jayzhan211 commented on code in PR #14737:
URL: https://github.com/apache/datafusion/pull/14737#discussion_r1981277730
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datafusion/functions-nested/src/sort.rs:
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@@ -175,6 +204,7 @@ pub fn array_sort_inner(args: &[ArrayRef]) ->
Result<ArrayRef> {
for i in 0..row_count {
if list_array.is_null(i) {
array_lengths.push(0);
+ arrays.push(new_null_array(list_array.value(i).data_type(), 1));
Review Comment:
Remove this line fix the issue below.
for null case, you just need to make sure the offset append a single 0 and
the null buffer append a null, that is why we `array_lengths.push(0) and append
null`
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