zclllyybb commented on code in PR #60111:
URL: https://github.com/apache/doris/pull/60111#discussion_r2724136699
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/FoldConstantRuleOnFE.java:
##########
@@ -218,6 +221,21 @@ public Expression visitLiteral(Literal literal,
ExpressionRewriteContext context
return literal;
}
+ @Override
+ public Expression visitGamma(Gamma gamma, ExpressionRewriteContext
context) {
+ gamma = rewriteChildren(gamma, context);
+ Optional<Expression> checkedExpr = preProcess(gamma);
+ if (checkedExpr.isPresent()) {
+ return checkedExpr.get();
+ }
+ Expression child = gamma.child();
+ if (!(child instanceof Literal)) {
+ return gamma;
+ }
+ double value = ((Literal) child).getDouble();
+ return new
DoubleLiteral(org.apache.commons.math3.special.Gamma.gamma(value));
Review Comment:
import then use with function name
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