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
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