jinchengchenghh commented on code in PR #11197:
URL:
https://github.com/apache/incubator-gluten/pull/11197#discussion_r2568560464
##########
backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxBackend.scala:
##########
@@ -583,4 +583,7 @@ object VeloxBackendSettings extends BackendSettingsApi {
override def supportOverwriteByExpression(): Boolean =
enableEnhancedFeatures()
override def supportOverwritePartitionsDynamic(): Boolean =
enableEnhancedFeatures()
+
+ /** Velox does not support columnar shuffle with empty schema. */
+ override def supportEmptySchemaColumnarShuffle(): Boolean = false
Review Comment:
Does CH supports columnar shuffle with empty schema? @baibaichen
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