From 34b9b322cdcbd17dcb83a4e9a4d343257d64945b Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Fri, 26 May 2023 15:01:57 +0800
Subject: [PATCH] cache/var-data: realloc for cache reading

---
 source/dnode/vnode/src/tsdb/tsdbCache.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index aea7c45bd6..63629f8623 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -790,7 +790,9 @@ static int32_t tsdbCacheLoadFromRocks(STsdb *pTsdb, tb_uid_t uid, SArray *pLastA
         code = -1;
       }
 
-      taosArraySet(pLastArray, idxKey->idx, pLastCol);
+      SLastCol lastCol = *pLastCol;
+      reallocVarData(&lastCol.colVal);
+      taosArraySet(pLastArray, idxKey->idx, &lastCol);
       taosArrayRemove(remainCols, j);
 
       taosMemoryFree(values_list[i]);
-- 
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