zml1206 commented on code in PR #6381:
URL: https://github.com/apache/incubator-gluten/pull/6381#discussion_r1673483156
##########
gluten-core/src/main/scala/org/apache/gluten/execution/WindowExecTransformer.scala:
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@@ -67,14 +67,10 @@ case class WindowExecTransformer(
}
override def requiredChildOrdering: Seq[Seq[SortOrder]] = {
- if (
- BackendsApiManager.getSettings.requiredChildOrderingForWindow()
- && GlutenConfig.getConf.veloxColumnarWindowType.equals("streaming")
- ) {
- // Velox StreamingWindow need to require child order.
- Seq(partitionSpec.map(SortOrder(_, Ascending)) ++ orderSpec)
+ if (GlutenConfig.getConf.veloxColumnarWindowType.equals("sort")) {
+ super.requiredChildOrdering
} else {
- Seq(Nil)
+ Seq(partitionSpec.map(SortOrder(_, Ascending)) ++ orderSpec)
Review Comment:
super.requiredChildOrdering Implemented differently in different spark
versions. In addition, according to the original logic, ck backend should not
need child order.
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