alamb commented on code in PR #14821:
URL: https://github.com/apache/datafusion/pull/14821#discussion_r1968480652
##########
datafusion/physical-optimizer/src/enforce_sorting/sort_pushdown.rs:
##########
@@ -98,66 +98,91 @@ fn pushdown_sorts_helper(
.ordering_satisfy_requirement(&parent_reqs);
if is_sort(plan) {
- let sort_fetch = plan.fetch();
- let required_ordering = plan
+ let current_sort_fetch = plan.fetch();
+ let parent_req_fetch = requirements.data.fetch;
+
+ let child_reqs = plan
Review Comment:
I found the overloading of "requirements" confusing here -- there are
`LexRequirements` and `requirements: SortPushdown`
Perhaps we could rename `requirements` to `sort_pushdown` to mirror the
argument
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