liujiayi771 commented on code in PR #5754:
URL: https://github.com/apache/incubator-gluten/pull/5754#discussion_r1617565686
##########
backends-velox/src/main/scala/org/apache/gluten/execution/HashAggregateExecTransformer.scala:
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@@ -241,21 +226,21 @@ abstract class HashAggregateExecTransformer(
}
aggregateFunction match {
- case hllAdapter: HLLAdapter =>
+ case _ if aggregateFunction.aggBufferAttributes.size > 1 =>
+ generateMergeCompanionNode()
+ case _ =>
aggregateMode match {
- case Partial =>
- // For Partial mode output type is binary.
+ case Partial | PartialMerge =>
val partialNode = ExpressionBuilder.makeAggregateFunction(
VeloxAggregateFunctionsBuilder.create(args, aggregateFunction,
aggregateMode),
childrenNodeList,
modeKeyWord,
ConverterUtils.getTypeNode(
- hllAdapter.inputAggBufferAttributes.head.dataType,
- hllAdapter.inputAggBufferAttributes.head.nullable)
+ aggregateFunction.inputAggBufferAttributes.head.dataType,
Review Comment:
The original logic for handling `inputAggBufferAttributes.head` in the
`Partial` and `PartialMerge` was only applicable to HLL. Why can this now be
applied to all aggregations?
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