cloud-fan commented on a change in pull request #34451:
URL: https://github.com/apache/spark/pull/34451#discussion_r740223188
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2ScanRelationPushDown.scala
##########
@@ -36,7 +36,8 @@ object V2ScanRelationPushDown extends Rule[LogicalPlan] with
PredicateHelper {
import DataSourceV2Implicits._
def apply(plan: LogicalPlan): LogicalPlan = {
-
applyColumnPruning(applyLimit(pushDownAggregates(pushDownFilters(createScanBuilder(plan)))))
+ applyColumnPruning(
+
applyLimit(applySample(pushDownAggregates(pushDownFilters(createScanBuilder(plan))))))
Review comment:
shouldn't we push down sample first?
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