aokolnychyi commented on a change in pull request #33008:
URL: https://github.com/apache/spark/pull/33008#discussion_r658349804
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2ScanRelationPushDown.scala
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@@ -30,6 +30,35 @@ object V2ScanRelationPushDown extends Rule[LogicalPlan] {
import DataSourceV2Implicits._
override def apply(plan: LogicalPlan): LogicalPlan = plan transformDown {
+ case RowLevelOperation(operation, cond, relation: DataSourceV2Relation,
rewritePlan) =>
+ val mergeTable = relation.table.asMergeTable
+ val scanBuilder = mergeTable.newScanBuilder(relation.options)
+
+ val normalizedFilters = DataSourceStrategy.normalizeExprs(cond :: Nil,
relation.output)
+ val (_, normalizedFiltersWithoutSubquery) =
+ normalizedFilters.partition(SubqueryExpression.hasSubquery)
+
+ val (pushedFilters, remainingFilters) = PushDownUtils.pushFilters(
Review comment:
Here I only care about filters that can be pushed into the source.
Do you have a PR for refactoring at hand, @huaxingao?
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