From 088102feeb353c7b5404892e9ed115e56be5858f Mon Sep 17 00:00:00 2001
From: mwish <maplewish117@gmail.com>
Date: Mon, 10 Jun 2024 16:28:44 +0800
Subject: [PATCH] fix a naive bug

---
 cpp/src/arrow/ipc/writer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpp/src/arrow/ipc/writer.cc b/cpp/src/arrow/ipc/writer.cc
index e2ca7092fbe2f..549fb34a2e880 100644
--- a/cpp/src/arrow/ipc/writer.cc
+++ b/cpp/src/arrow/ipc/writer.cc
@@ -223,7 +223,7 @@ class RecordBatchSerializer {
           result->Resize(actual_length + sizeof(int64_t), /* shrink_to_fit= */ true));
     }
     int64_t prefixed_length_little_endian = bit_util::ToLittleEndian(prefixed_length);
-    util::SafeStore(result->mutable_data(), prefixed_length);
+    util::SafeStore(result->mutable_data(), prefixed_length_little_endian);
 
     *out = SliceBuffer(std::move(result), /*offset=*/0, actual_length + sizeof(int64_t));