From 1eb21a6594fec12f20095806ff553da55199121a Mon Sep 17 00:00:00 2001
From: Gabriel <liwenqiang@selectdb.com>
Date: Tue, 13 Jan 2026 17:56:47 +0800
Subject: [PATCH] [fix](avg) Fix wrong average result

---
 be/src/vec/aggregate_functions/aggregate_function_avg.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/be/src/vec/aggregate_functions/aggregate_function_avg.cpp b/be/src/vec/aggregate_functions/aggregate_function_avg.cpp
index d48128a7133bd7..ff8e6b9b58fba9 100644
--- a/be/src/vec/aggregate_functions/aggregate_function_avg.cpp
+++ b/be/src/vec/aggregate_functions/aggregate_function_avg.cpp
@@ -29,7 +29,7 @@ namespace doris::vectorized {
 #include "common/compile_check_begin.h"
 
 constexpr PrimitiveType result_type(PrimitiveType T) {
-    if (T == TYPE_LARGEINT) {
+    if (T == TYPE_LARGEINT || T == TYPE_BIGINT) {
         return TYPE_LARGEINT;
     } else if (is_int_or_bool(T)) {
         return TYPE_BIGINT;