szehon-ho commented on a change in pull request #4023:
URL: https://github.com/apache/iceberg/pull/4023#discussion_r796951488
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File path:
spark/v3.2/spark-extensions/src/main/scala/org/apache/spark/sql/execution/datasources/v2/RowLevelCommandScanRelationPushDown.scala
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@@ -39,16 +43,12 @@ object RowLevelCommandScanRelationPushDown extends
Rule[LogicalPlan] with Predic
val table = relation.table.asRowLevelOperationTable
val scanBuilder = table.newScanBuilder(relation.options)
- val filters = command.condition.toSeq
- val normalizedFilters = DataSourceStrategy.normalizeExprs(filters,
relation.output)
- val (_, normalizedFiltersWithoutSubquery) =
- normalizedFilters.partition(SubqueryExpression.hasSubquery)
-
- val (pushedFilters, remainingFilters) = PushDownUtils.pushFilters(
- scanBuilder, normalizedFiltersWithoutSubquery)
+ val (pushedFilters, remainingFilters) = command.condition match {
+ case Some(cond) => pushFilters(cond, scanBuilder, relation.output)
+ case None => (Nil, Nil)
+ }
- val (scan, output) = PushDownUtils.pruneColumns(
- scanBuilder, relation, relation.output, Seq.empty)
+ val (scan, output) = PushDownUtils.pruneColumns(scanBuilder, relation,
relation.output, Nil)
Review comment:
Nit, is it necessary change , Seq.empty => Nil?
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