From 90040e7f922eecd2474b379c087ca44fb239fab4 Mon Sep 17 00:00:00 2001
From: feiniaofeiafei <53502832+feiniaofeiafei@users.noreply.github.com>
Date: Fri, 26 Apr 2024 17:57:16 +0800
Subject: [PATCH] [Fix] fix compile problem (#34184)

fix compile problem in branch-2.1
---
 .../org/apache/doris/nereids/rules/rewrite/MergeAggregate.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/MergeAggregate.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/MergeAggregate.java
index a2c23dd9b4..8ea8a7f217 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/MergeAggregate.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/MergeAggregate.java
@@ -146,7 +146,7 @@ public class MergeAggregate implements RewriteRuleFactory {
                         (existValue, newValue) -> existValue));
         Set<AggregateFunction> aggregateFunctions = outerAgg.getAggregateFunctions();
         List<AggregateFunction> replacedAggFunctions = projectOptional.map(project ->
-                (List<AggregateFunction>) PlanUtils.replaceExpressionByProjections(
+                (List<AggregateFunction>) (List) PlanUtils.replaceExpressionByProjections(
                 projectOptional.get().getProjects(), new ArrayList<>(aggregateFunctions)))
                 .orElse(new ArrayList<>(aggregateFunctions));
         for (AggregateFunction outerFunc : replacedAggFunctions) {