leanken commented on a change in pull request #29104:
URL: https://github.com/apache/spark/pull/29104#discussion_r457784068
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -2671,6 +2671,25 @@ object SQLConf {
.checkValue(_ > 0, "The difference must be positive.")
.createWithDefault(4)
+ val NULL_AWARE_ANTI_JOIN_OPTIMIZE_ENABLED =
Review comment:
Yes. it's only for review and testing.
I think we need to make a decision on whether BroadcastHashJoinExec or
BroadcastNullAwareHashJoinExec is used?
no matter what, NULL_AWARE_ANTI_JOIN_OPTIMIZE_ENABLED this will be the only
switch left in final submit.
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