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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/02/08 13:51:43 UTC

[GitHub] [arrow-datafusion] tustvold commented on a change in pull request #1776: Update `ExecutionPlan` to know about sortedness and repartitioning optimizer pass respect the invariants

tustvold commented on a change in pull request #1776:
URL: https://github.com/apache/arrow-datafusion/pull/1776#discussion_r801650952



##########
File path: datafusion/src/physical_plan/windows/window_agg_exec.rs
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@@ -114,6 +115,14 @@ impl ExecutionPlan for WindowAggExec {
         self.input.output_partitioning()
     }
 
+    fn maintains_input_order(&self) -> bool {

Review comment:
       Shouldn't this also have `relies_on_input_order`?




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