leanken commented on a change in pull request #29455:
URL: https://github.com/apache/spark/pull/29455#discussion_r473547364
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashJoin.scala
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@@ -277,6 +286,34 @@ trait HashJoin extends BaseJoinExec with CodegenSupport {
}
}
+ private def nullAwareAntiJoin(
+ streamIter: Iterator[InternalRow],
+ hashedRelation: HashedRelation): Iterator[InternalRow] = {
+ if (hashedRelation == EmptyHashedRelation) {
+ streamIter
+ } else if (hashedRelation == EmptyHashedRelationWithAllNullKeys) {
+ // This code branch should only be used in
BroadcastHashJoinExec(Non-AQE).
Review comment:
Good advice.
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