PHILO-HE commented on code in PR #4939:
URL: https://github.com/apache/incubator-gluten/pull/4939#discussion_r1522564366
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backends-velox/src/main/scala/io/glutenproject/execution/HashAggregateExecTransformer.scala:
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@@ -386,23 +386,33 @@ abstract class HashAggregateExecTransformer(
val adjustedOrders = veloxOrders.map(sparkOrders.indexOf(_))
veloxTypes.zipWithIndex.foreach {
case (veloxType, idx) =>
- val sparkType = sparkTypes(adjustedOrders(idx))
- val attr = rewrittenInputAttributes(adjustedOrders(idx))
- val aggFuncInputAttrNode = ExpressionConverter
- .replaceWithExpressionTransformer(attr,
originalInputAttributes)
- .doTransform(args)
- val expressionNode = if (sparkType != veloxType) {
- newInputAttributes +=
- attr.copy(dataType = veloxType)(attr.exprId,
attr.qualifier)
- ExpressionBuilder.makeCast(
- ConverterUtils.getTypeNode(veloxType, attr.nullable),
- aggFuncInputAttrNode,
- SQLConf.get.ansiEnabled)
+ val adjustedIdx = adjustedOrders(idx)
+ if (adjustedIdx == -1) {
+ // The column not found in Spark, and this column is not
useful in actual
+ // calculations, it is sufficient to pass a default
DataType value.
+ val extraAttr = AttributeReference(veloxOrders(idx),
veloxType)()
+ newInputAttributes += extraAttr
+ val lt = Literal.default(veloxType)
+ childNodes.add(ExpressionBuilder.makeLiteral(lt.value,
lt.dataType, false))
Review Comment:
Could you add some more comment here to clarify a bit? Thanks!
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