From 6415014561e7c4671d5249930ce92414da6523fc Mon Sep 17 00:00:00 2001
From: Mryange <yanxuecheng@selectdb.com>
Date: Thu, 9 Jul 2026 16:05:48 +0800
Subject: [PATCH] upd

---
 be/src/exprs/function/cast/cast_to_decimal.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/be/src/exprs/function/cast/cast_to_decimal.h b/be/src/exprs/function/cast/cast_to_decimal.h
index 0617aca16ea014..8dc4c6b4aeac93 100644
--- a/be/src/exprs/function/cast/cast_to_decimal.h
+++ b/be/src/exprs/function/cast/cast_to_decimal.h
@@ -780,6 +780,17 @@ class CastToImpl<CastMode, FromDataType, ToDataType> : public CastToBase {
         params.is_strict = (CastMode == CastModeType::StrictMode);
         size_t size = vec_from.size();
 
+        if constexpr (IsDataTypeDecimalV3<ToDataType>) {
+            if (to_scale == 0 && !narrow_integral) {
+                for (size_t i = 0; i < size; i++) {
+                    vec_to_data[i].value =
+                            static_cast<typename ToFieldType::NativeType>(vec_from_data[i]);
+                }
+                block.get_by_position(result).column = std::move(col_to);
+                return Status::OK();
+            }
+        }
+
         RETURN_IF_ERROR(std::visit(
                 [&](auto multiply_may_overflow, auto narrow_integral) {
                     for (size_t i = 0; i < size; i++) {