ozankabak commented on code in PR #16217:
URL: https://github.com/apache/datafusion/pull/16217#discussion_r2127003566
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datafusion/physical-plan/src/sorts/sort.rs:
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@@ -845,7 +840,7 @@ pub struct SortExec {
/// Fetch highest/lowest n results
fetch: Option<usize>,
/// Normalized common sort prefix between the input and the sort
expressions (only used with fetch)
- common_sort_prefix: LexOrdering,
+ common_sort_prefix: Vec<PhysicalSortExpr>,
Review Comment:
Good observation -- this is because we don't have a proper ordering here, it
is just a prefix of sort expressions (which can be empty unlike an ordering).
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