Jimexist commented on a change in pull request #569:
URL: https://github.com/apache/arrow-datafusion/pull/569#discussion_r658004394
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File path: datafusion/src/physical_plan/windows.rs
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@@ -412,11 +412,14 @@ impl ExecutionPlan for WindowAggExec {
/// Get the output partitioning of this plan
fn output_partitioning(&self) -> Partitioning {
- Partitioning::UnknownPartitioning(1)
+ // because we can have repartitioning using the partition keys
+ // this would be either 1 or more than 1 depending on the presense of
+ // repartitioning
+ self.input.output_partitioning()
}
fn required_child_distribution(&self) -> Distribution {
- Distribution::SinglePartition
+ Distribution::UnspecifiedDistribution
Review comment:
thanks! this is fixed.
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