leanken commented on a change in pull request #29104:
URL: https://github.com/apache/spark/pull/29104#discussion_r459008565
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/BroadcastHashJoinExec.scala
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@@ -454,6 +478,28 @@ case class BroadcastHashJoinExec(
val (matched, checkCondition, _) = getJoinCondition(ctx, input)
val numOutput = metricTerm(ctx, "numOutputRows")
+ if (isNullAwareAntiJoin) {
+ require(leftKeys.length == 1, "leftKeys length should be 1")
+ require(rightKeys.length == 1, "rightKeys length should be 1")
+ require(joinType == LeftAnti, "joinType must be LeftAnti.")
+ require(buildSide == BuildRight, "buildSide must be BuildRight.")
Review comment:
so seems like you are insist on doing it inside BHJ, right?
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