cloud-fan commented on a change in pull request #29104: URL: https://github.com/apache/spark/pull/29104#discussion_r459208970
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/joins/BroadcastHashJoinExec.scala ########## @@ -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.") + require(SQLConf.get.nullAwareAntiJoinOptimizeEnabled, + "nullAwareAntiJoinOptimizeEnabled must be on for null aware anti join optimize.") + require(checkCondition == "", "null aware anti join optimize condition should be empty.") + + if (broadcastRelation.value.inputEmpty) { + return s""" + |// singleColumn NAAJ inputEmpty(true) accept all Review comment: We can do that with a custom `BroadcastMode`. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org