morrySnow commented on code in PR #11971:
URL: https://github.com/apache/doris/pull/11971#discussion_r952111787
##########
fe/fe-core/src/main/java/org/apache/doris/planner/HashJoinNode.java:
##########
@@ -451,13 +453,18 @@ private void computeOutputTuple(Analyzer analyzer) throws
UserException {
outputSlotDesc.setIsNullable(true);
leftNullableNumber++;
}
+ if (needSetToNullable) {
+ outputSlotDesc.setIsNullable(true);
+ }
srcTblRefToOutputTupleSmap.put(new SlotRef(leftSlotDesc),
new SlotRef(outputSlotDesc));
}
}
}
if (copyRight) {
for (TupleDescriptor rightTupleDesc : analyzer.getDescTbl()
.getTupleDesc(getChild(1).getOutputTblRefIds())) {
+ boolean needSetToNullable =
Review Comment:
add some comment to explain why add this local variable
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