xzj7019 commented on code in PR #45928:
URL: https://github.com/apache/doris/pull/45928#discussion_r1900591718
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Cast.java:
##########
@@ -117,4 +120,27 @@ public boolean equals(Object o) {
public int hashCode() {
return Objects.hash(super.hashCode(), targetType);
}
+
+ @Override
+ public boolean isPositive() {
+ return true;
+ }
+
+ @Override
+ public int getMonotonicFunctionChildIndex() {
+ return 0;
+ }
+
+ @Override
+ public Expression withConstantArgs(Expression literal) {
+ return new Cast(literal, targetType, isExplicitType);
+ }
+
+ @Override
+ public boolean isMonotonic(Literal lower, Literal upper) {
Review Comment:
pls add consideration here
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