From 2abb52b506ca3952f6e20f9c25f4ced4a323f92d Mon Sep 17 00:00:00 2001
From: aoiasd <zhicheng.yue@zilliz.com>
Date: Tue, 10 Dec 2024 11:38:54 +0800
Subject: [PATCH] return exception type name when segcore return unkonwn
 exception

Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>
---
 internal/core/src/futures/Future.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/core/src/futures/Future.h b/internal/core/src/futures/Future.h
index 60eb804e96b85..80a5a3a0ff35d 100644
--- a/internal/core/src/futures/Future.h
+++ b/internal/core/src/futures/Future.h
@@ -16,6 +16,7 @@
 #include <folly/CancellationToken.h>
 #include <folly/futures/Future.h>
 #include <folly/futures/SharedPromise.h>
+#include <charconv>
 #include "future_c_types.h"
 #include "LeakyResult.h"
 #include "Ready.h"
@@ -215,7 +216,7 @@ class Future : public IFuture {
             .thenError(folly::tag_t<std::exception>{},
                        [ready = ready_](const std::exception& e) {
                            ready->setValue(LeakyResult<R>(
-                               milvus::UnexpectedError, e.what()));
+                               milvus::UnexpectedError, fmt::format("{} :{}", typeid(e).name(), e.what())));
                        });
     }