yujun777 commented on code in PR #45310:
URL: https://github.com/apache/doris/pull/45310#discussion_r1883395727
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/RangeInference.java:
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@@ -469,6 +486,9 @@ public ValueDesc union(ValueDesc other) {
@Override
public ValueDesc intersect(ValueDesc other) {
+ if (other instanceof EmptyValue) {
+ return other.intersect(this);
Review Comment:
its final result indeed return EmptyValue. Bug for unify function purpose,
when RangeValue/DiscreteValue/UnknownValue interset with an EmptyValue, call
EmptyValue.interset(this) => EmptyValue
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