leanken commented on a change in pull request #29104:
URL: https://github.com/apache/spark/pull/29104#discussion_r459778507
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java
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@@ -591,6 +591,15 @@ public boolean anyNull() {
return BitSetMethods.anySet(baseObject, baseOffset, bitSetWidthInBytes /
8);
}
+ public boolean allNull() {
Review comment:
yes, my original idea of using allNull is for future extension of
supporting multi-column.
maybe i should be update this in next PR and leave necessary comment for now
to make it "Single key" focussed.
got it.
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