cloud-fan commented on code in PR #36325:
URL: https://github.com/apache/spark/pull/36325#discussion_r857784334
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/AggregatePushDownUtils.scala:
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@@ -106,7 +107,9 @@ object AggregatePushDownUtils {
// aggregate push down simple and don't handle this complicate case for
now.
return None
}
- aggregation.groupByColumns.foreach { col =>
+ aggregation.groupByExpressions.foreach { expr =>
+ assert(expr.isInstanceOf[FieldReference])
Review Comment:
how can we make this assertion? do you mean the v2 pushdown framework still
only support group by attrs?
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