leanken commented on a change in pull request #29104: URL: https://github.com/apache/spark/pull/29104#discussion_r458582831
########## File path: core/src/main/java/org/apache/spark/unsafe/map/BytesToBytesMap.java ########## @@ -171,6 +171,23 @@ private volatile MapIterator destructiveIterator = null; private LinkedList<UnsafeSorterSpillWriter> spillWriters = new LinkedList<>(); + private boolean anyNullKeyExists = false; + + public boolean inputEmpty() + { + return numKeys == 0 && !anyNullKeyExists; + } Review comment: done. ########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ########## @@ -2669,6 +2669,25 @@ object SQLConf { .checkValue(_ >= 0, "The value must be non-negative.") .createWithDefault(8) + val NULL_AWARE_ANTI_JOIN_OPTIMIZE_ENABLED = + buildConf("spark.sql.nullAware.antiJoin.optimize.enabled") Review comment: done ---------------------------------------------------------------- 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