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[fix](planner) SetOperationNode's slots' nullability calculation is wrong (#19108)

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SetOperationNode's slots' nullability should consider slots info from all children, even some children have EmptyResultSet
This commit is contained in:
starocean999
2023-04-26 21:18:37 +08:00
committed by GitHub
parent 965682542d
commit aacc075f09
3 changed files with 53 additions and 1 deletions
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3
fe/fe-core/src/main/java/org/apache/doris/planner/SetOperationNode.java
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@ -219,7 +219,8 @@ public abstract class SetOperationNode extends PlanNode {
for (int j = 1; j < resultExprLists.size(); j++) {
isNullable = isNullable || resultExprLists.get(j).get(i).isNullable();
}
tupleDescriptor.getSlots().get(i).setIsNullable(isNullable);
tupleDescriptor.getSlots().get(i).setIsNullable(
tupleDescriptor.getSlots().get(i).getIsNullable() || isNullable);
tupleDescriptor.computeMemLayout();
}
}