From f80d43e01aceabe30508ce2c7278bfcebe14d174 Mon Sep 17 00:00:00 2001
From: GongYusen <986957406@qq.com>
Date: Tue, 18 Mar 2025 06:16:11 +0000
Subject: [PATCH] Fix the memory bloat issue with the sort operator in the
 rescan scenario.

---
 src/sql/engine/sort/ob_prefix_sort_vec_op_impl.h   | 2 +-
 src/sql/engine/sort/ob_prefix_sort_vec_op_impl.ipp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.h b/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.h
index 18be014bd6..5c15ec0c43 100644
--- a/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.h
+++ b/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.h
@@ -36,7 +36,7 @@ public:
     selector_(nullptr), selector_size_(0), sort_prefix_rows_(0), prefix_pos_(0),
     im_sk_store_(&allocator_), im_addon_store_(&allocator_),
     im_sk_rows_(nullptr), im_addon_rows_(nullptr), immediate_pos_(0),
-    brs_(nullptr)
+    brs_(nullptr), brs_holder_(&allocator_)
   {}
   virtual ~ObPrefixSortVecImpl()
   {
diff --git a/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.ipp b/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.ipp
index f25686e81b..48eaf387ec 100644
--- a/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.ipp
+++ b/src/sql/engine/sort/ob_prefix_sort_vec_op_impl.ipp
@@ -21,6 +21,7 @@ void ObPrefixSortVecImpl<Compare, Store_Row, has_addon>::reset()
   full_sk_collations_ = nullptr;
   base_sk_collations_.reset();
   brs_holder_.reset();
+  brs_holder_.destroy();
   next_prefix_row_ = nullptr;
   prev_row_ = nullptr;
   child_ = nullptr;