xudong963 commented on code in PR #18868:
URL: https://github.com/apache/datafusion/pull/18868#discussion_r2667161262
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datafusion/physical-plan/src/limit.rs:
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@@ -51,6 +52,9 @@ pub struct GlobalLimitExec {
/// Execution metrics
metrics: ExecutionPlanMetricsSet,
cache: PlanProperties,
+ /// If the child plan is a sort node, after the sort node is removed during
+ /// physical optimization, we should add the required ordering to the
limit node
Review Comment:
I agree
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