leanken commented on a change in pull request #29104:
URL: https://github.com/apache/spark/pull/29104#discussion_r459349052



##########
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
+           |$numOutput.add(1);
+           |${consume(ctx, input)}
+         """.stripMargin
+      } else if (broadcastRelation.value.anyNullKeyExists) {
+        return s"""
+           |// singleColumn NAAJ inputEmpty(false) anyNullKeyExists(true) 
reject all

Review comment:
       done using BHJ as default and only implementation




----------------------------------------------------------------
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:
[email protected]



---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to