From d25cc8fb9bcd35875d8ff0be5ed4e0b7b0149c46 Mon Sep 17 00:00:00 2001
From: ZenoWang <wzybuaasoft@163.com>
Date: Thu, 8 Feb 2024 10:25:59 +0000
Subject: [PATCH] [CP] [FIX] make serialize failed when push_back failed

---
 src/storage/tx/ob_tx_data_define.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/storage/tx/ob_tx_data_define.cpp b/src/storage/tx/ob_tx_data_define.cpp
index afe14bda9a..a342edd8a4 100644
--- a/src/storage/tx/ob_tx_data_define.cpp
+++ b/src/storage/tx/ob_tx_data_define.cpp
@@ -46,13 +46,16 @@ int ObUndoStatusList::serialize(char *buf, const int64_t buf_len, int64_t &pos)
 int ObUndoStatusList::serialize_(char *buf, const int64_t buf_len, int64_t &pos) const
 {
   int ret = OB_SUCCESS;
-  ObArray<ObUndoStatusNode *> node_arr;
-  node_arr.reset();
+  ObSEArray<ObUndoStatusNode *, 32> node_arr;
+  node_arr.reuse();
   ObUndoStatusNode *node = head_;
   // generate undo status node stack
   while (OB_NOT_NULL(node)) {
-    node_arr.push_back(node);
-    node = node->next_;
+    if (OB_FAIL(node_arr.push_back(node))) {
+      STORAGE_LOG(WARN, "push back undo status node failed", KR(ret), K(node_arr.count()));
+    } else {
+      node = node->next_;
+    }
   }
 
   LST_DO_CODE(OB_UNIS_ENCODE, undo_node_cnt_);