maropu commented on a change in pull request #26420: [SPARK-27986][SQL] Support
ANSI SQL filter predicate for aggregate expression.
URL: https://github.com/apache/spark/pull/26420#discussion_r348479199
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/HashAggregateExec.scala
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@@ -117,6 +117,21 @@ case class HashAggregateExec(
// so return an empty iterator.
Iterator.empty
} else {
+ val filterPredicates = new mutable.HashMap[Int, GenPredicate]
+ aggregateExpressions.zipWithIndex.foreach{
+ case (ae: AggregateExpression, i) =>
+ ae.mode match {
+ case Partial | Complete =>
+ ae.filter.foreach { filterExpr =>
+ val filterAttrs = filterExpr.references.toSeq
+ val predicate = newPredicate(filterExpr, child.output ++
filterAttrs)
+ predicate.initialize(partIndex)
+ filterPredicates(i) = predicate
+ }
Review comment:
Fixed in https://github.com/apache/spark/pull/26604. Can you brush up this
pr based on the commit?
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