From 23365f1cf61c5f5303a719de9282b77cd2493ef9 Mon Sep 17 00:00:00 2001
From: Shungang Li <sgli@taosdata.com>
Date: Fri, 23 Aug 2024 16:58:05 +0800
Subject: [PATCH] fix: (last) memleak in mergeLastCid

---
 source/dnode/vnode/src/tsdb/tsdbCache.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index 20d4363c73..ae57576279 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -3162,6 +3162,7 @@ static int32_t mergeLastCid(tb_uid_t uid, STsdb *pTsdb, SArray **ppLastArray, SC
         SLastCol lastCol = {.rowKey = rowKey.key, .colVal = *pColVal, .cacheStatus = TSDB_LAST_CACHE_VALID};
         TAOS_CHECK_GOTO(tsdbCacheReallocSLastCol(&lastCol, NULL), &lino, _err);
 
+        tsdbCacheFreeSLastColItem(lastColVal);
         taosArraySet(pColArray, iCol, &lastCol);
         int32_t aColIndex = taosArraySearchIdx(aColArray, &lastCol.colVal.cid, compareInt16Val, TD_EQ);
         if (aColIndex >= 0) {